{"parentUuid":null,"isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"user","message":{"role":"user","content":"Read the voice-call plugin source code at /home/ccuser/.clawdbot/extensions/voice-call/index.ts (or index.js). I need to understand:\n1. How it handles the webhook request\n2. What TwiML it returns\n3. How Twilio signature verification works - specifically what URL it validates against\n4. How media streaming works when enabled\n5. How TTS is applied (ElevenLabs vs Say fallback)\n\nAlso check for any other .ts or .js files in /home/ccuser/.clawdbot/extensions/voice-call/ that might contain the webhook handler logic.\n\nReport the relevant code sections."},"uuid":"b4f5be05-26c7-4836-88c7-b626f834e51a","timestamp":"2026-02-11T07:28:49.569Z"}
{"parentUuid":"b4f5be05-26c7-4836-88c7-b626f834e51a","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_01WSNDEDZkcangro1ypQtVoK","type":"message","role":"assistant","content":[{"type":"text","text":"I'll start by exploring the voice-call extension directory structure and then read the relevant source files."}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":468,"cache_read_input_tokens":10129,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":468},"output_tokens":3,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tSo6dhQgf8RQg19r3T","type":"assistant","uuid":"00eafba6-2f3e-4255-9902-6adac9b760f1","timestamp":"2026-02-11T07:28:50.639Z"}
{"parentUuid":"00eafba6-2f3e-4255-9902-6adac9b760f1","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_01WSNDEDZkcangro1ypQtVoK","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_017e4BoQ1Y1gApc1Z5K4FsfR","name":"Bash","input":{"command":"find /home/ccuser/.clawdbot/extensions/voice-call -type f -name \"*.ts\" -o -name \"*.js\" | head -20"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":468,"cache_read_input_tokens":10129,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":468},"output_tokens":3,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tSo6dhQgf8RQg19r3T","type":"assistant","uuid":"760e29c7-d46a-45eb-b888-6a1703be9528","timestamp":"2026-02-11T07:28:50.868Z"}
{"parentUuid":"760e29c7-d46a-45eb-b888-6a1703be9528","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_017e4BoQ1Y1gApc1Z5K4FsfR","type":"tool_result","content":"/home/ccuser/.clawdbot/extensions/voice-call/node_modules/zod/index.js\n/home/ccuser/.clawdbot/extensions/voice-call/node_modules/zod/index.d.ts\n/home/ccuser/.clawdbot/extensions/voice-call/node_modules/zod/mini/index.js\n/home/ccuser/.clawdbot/extensions/voice-call/node_modules/zod/mini/index.d.ts\n/home/ccuser/.clawdbot/extensions/voice-call/node_modules/zod/v3/index.js\n/home/ccuser/.clawdbot/extensions/voice-call/node_modules/zod/v3/external.js\n/home/ccuser/.clawdbot/extensions/voice-call/node_modules/zod/v3/standard-schema.js\n/home/ccuser/.clawdbot/extensions/voice-call/node_modules/zod/v3/ZodError.d.ts\n/home/ccuser/.clawdbot/extensions/voice-call/node_modules/zod/v3/errors.d.ts\n/home/ccuser/.clawdbot/extensions/voice-call/node_modules/zod/v3/index.d.ts\n/home/ccuser/.clawdbot/extensions/voice-call/node_modules/zod/v3/errors.js\n/home/ccuser/.clawdbot/extensions/voice-call/node_modules/zod/v3/types.d.ts\n/home/ccuser/.clawdbot/extensions/voice-call/node_modules/zod/v3/locales/en.d.ts\n/home/ccuser/.clawdbot/extensions/voice-call/node_modules/zod/v3/locales/en.js\n/home/ccuser/.clawdbot/extensions/voice-call/node_modules/zod/v3/ZodError.js\n/home/ccuser/.clawdbot/extensions/voice-call/node_modules/zod/v3/helpers/enumUtil.d.ts\n/home/ccuser/.clawdbot/extensions/voice-call/node_modules/zod/v3/helpers/typeAliases.js\n/home/ccuser/.clawdbot/extensions/voice-call/node_modules/zod/v3/helpers/util.js\n/home/ccuser/.clawdbot/extensions/voice-call/node_modules/zod/v3/helpers/enumUtil.js\n/home/ccuser/.clawdbot/extensions/voice-call/node_modules/zod/v3/helpers/parseUtil.js","is_error":false}]},"uuid":"620563e7-ea14-4563-af5a-e7448f04eed1","timestamp":"2026-02-11T07:28:50.918Z","sourceToolAssistantUUID":"760e29c7-d46a-45eb-b888-6a1703be9528"}
{"parentUuid":"620563e7-ea14-4563-af5a-e7448f04eed1","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_01NG6peo7Tfc9SRFzQMTLyCP","type":"message","role":"assistant","content":[{"type":"text","text":"Let me look for the main source files specifically in the root of the voice-call extension, excluding node_modules:"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":5,"cache_creation_input_tokens":809,"cache_read_input_tokens":10597,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":809},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tStpArNjjvXaQmDvDA","type":"assistant","uuid":"d11d15a5-9c86-466e-a8f6-e10281eada49","timestamp":"2026-02-11T07:28:51.922Z"}
{"parentUuid":"d11d15a5-9c86-466e-a8f6-e10281eada49","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_01NG6peo7Tfc9SRFzQMTLyCP","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01Xm47h5icJ4AonnRrMNnupb","name":"Bash","input":{"command":"ls -la /home/ccuser/.clawdbot/extensions/voice-call/ | grep -E \"\\.(ts|js)$\""}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":5,"cache_creation_input_tokens":809,"cache_read_input_tokens":10597,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":809},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tStpArNjjvXaQmDvDA","type":"assistant","uuid":"d4e873a2-6a20-423b-89a4-a1d7374a8718","timestamp":"2026-02-11T07:28:52.150Z"}
{"parentUuid":"d4e873a2-6a20-423b-89a4-a1d7374a8718","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01Xm47h5icJ4AonnRrMNnupb","type":"tool_result","content":"-rw-r--r-- 1 ccuser ccuser 17738 Feb 11 18:22 index.ts","is_error":false}]},"uuid":"340f7ee2-fa6c-43fb-b007-906fbf74e8ee","timestamp":"2026-02-11T07:28:52.189Z","sourceToolAssistantUUID":"d4e873a2-6a20-423b-89a4-a1d7374a8718"}
{"parentUuid":"340f7ee2-fa6c-43fb-b007-906fbf74e8ee","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_01WXLuwM8NC1XYPrQeJSiU1y","type":"message","role":"assistant","content":[{"type":"text","text":"Perfect. Now let me read the main index.ts file:"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":4,"cache_creation_input_tokens":186,"cache_read_input_tokens":11406,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":186},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tSzFMD1bGfczgH5coT","type":"assistant","uuid":"3d585041-7a88-4703-b627-1fc1392bd62b","timestamp":"2026-02-11T07:28:53.259Z"}
{"parentUuid":"3d585041-7a88-4703-b627-1fc1392bd62b","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_01WXLuwM8NC1XYPrQeJSiU1y","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01Ep1hknfEVawcSUuUYZGusN","name":"Read","input":{"file_path":"/home/ccuser/.clawdbot/extensions/voice-call/index.ts"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":4,"cache_creation_input_tokens":186,"cache_read_input_tokens":11406,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":186},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tSzFMD1bGfczgH5coT","type":"assistant","uuid":"c463d5e1-b9ea-4e23-a36b-600de11eff1b","timestamp":"2026-02-11T07:28:53.371Z"}
{"parentUuid":"c463d5e1-b9ea-4e23-a36b-600de11eff1b","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Read","command":"callback"},"parentToolUseID":"toolu_01Ep1hknfEVawcSUuUYZGusN","toolUseID":"toolu_01Ep1hknfEVawcSUuUYZGusN","timestamp":"2026-02-11T07:28:53.376Z","uuid":"93c9ed9a-2487-4594-b079-bbcf28e37239"}
{"parentUuid":"c463d5e1-b9ea-4e23-a36b-600de11eff1b","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01Ep1hknfEVawcSUuUYZGusN","type":"tool_result","content":"     1→import { Type } from \"@sinclair/typebox\";\n     2→\n     3→import type { CoreConfig } from \"./src/core-bridge.js\";\n     4→import {\n     5→  VoiceCallConfigSchema,\n     6→  validateProviderConfig,\n     7→  type VoiceCallConfig,\n     8→} from \"./src/config.js\";\n     9→import { registerVoiceCallCli } from \"./src/cli.js\";\n    10→import { createVoiceCallRuntime, type VoiceCallRuntime } from \"./src/runtime.js\";\n    11→\n    12→const voiceCallConfigSchema = {\n    13→  parse(value: unknown): VoiceCallConfig {\n    14→    const raw =\n    15→      value && typeof value === \"object\" && !Array.isArray(value)\n    16→        ? (value as Record<string, unknown>)\n    17→        : {};\n    18→\n    19→    const twilio = raw.twilio as Record<string, unknown> | undefined;\n    20→    const legacyFrom = typeof twilio?.from === \"string\" ? twilio.from : undefined;\n    21→\n    22→    const enabled = typeof raw.enabled === \"boolean\" ? raw.enabled : true;\n    23→    const providerRaw = raw.provider === \"log\" ? \"mock\" : raw.provider;\n    24→    const provider = providerRaw ?? (enabled ? \"mock\" : undefined);\n    25→\n    26→    return VoiceCallConfigSchema.parse({\n    27→      ...raw,\n    28→      enabled,\n    29→      provider,\n    30→      fromNumber: raw.fromNumber ?? legacyFrom,\n    31→    });\n    32→  },\n    33→  uiHints: {\n    34→    provider: {\n    35→      label: \"Provider\",\n    36→      help: \"Use twilio, telnyx, or mock for dev/no-network.\",\n    37→    },\n    38→    fromNumber: { label: \"From Number\", placeholder: \"+15550001234\" },\n    39→    toNumber: { label: \"Default To Number\", placeholder: \"+15550001234\" },\n    40→    inboundPolicy: { label: \"Inbound Policy\" },\n    41→    allowFrom: { label: \"Inbound Allowlist\" },\n    42→    inboundGreeting: { label: \"Inbound Greeting\", advanced: true },\n    43→    \"telnyx.apiKey\": { label: \"Telnyx API Key\", sensitive: true },\n    44→    \"telnyx.connectionId\": { label: \"Telnyx Connection ID\" },\n    45→    \"telnyx.publicKey\": { label: \"Telnyx Public Key\", sensitive: true },\n    46→    \"twilio.accountSid\": { label: \"Twilio Account SID\" },\n    47→    \"twilio.authToken\": { label: \"Twilio Auth Token\", sensitive: true },\n    48→    \"outbound.defaultMode\": { label: \"Default Call Mode\" },\n    49→    \"outbound.notifyHangupDelaySec\": {\n    50→      label: \"Notify Hangup Delay (sec)\",\n    51→      advanced: true,\n    52→    },\n    53→    \"serve.port\": { label: \"Webhook Port\" },\n    54→    \"serve.bind\": { label: \"Webhook Bind\" },\n    55→    \"serve.path\": { label: \"Webhook Path\" },\n    56→    \"tailscale.mode\": { label: \"Tailscale Mode\", advanced: true },\n    57→    \"tailscale.path\": { label: \"Tailscale Path\", advanced: true },\n    58→    \"tunnel.provider\": { label: \"Tunnel Provider\", advanced: true },\n    59→    \"tunnel.ngrokAuthToken\": {\n    60→      label: \"ngrok Auth Token\",\n    61→      sensitive: true,\n    62→      advanced: true,\n    63→    },\n    64→    \"tunnel.ngrokDomain\": { label: \"ngrok Domain\", advanced: true },\n    65→    \"tunnel.allowNgrokFreeTier\": {\n    66→      label: \"Allow ngrok Free Tier\",\n    67→      advanced: true,\n    68→    },\n    69→    \"streaming.enabled\": { label: \"Enable Streaming\", advanced: true },\n    70→    \"streaming.openaiApiKey\": {\n    71→      label: \"OpenAI Realtime API Key\",\n    72→      sensitive: true,\n    73→      advanced: true,\n    74→    },\n    75→    \"streaming.sttModel\": { label: \"Realtime STT Model\", advanced: true },\n    76→    \"streaming.streamPath\": { label: \"Media Stream Path\", advanced: true },\n    77→    \"tts.provider\": {\n    78→      label: \"TTS Provider Override\",\n    79→      help: \"Deep-merges with messages.tts (Edge is ignored for calls).\",\n    80→      advanced: true,\n    81→    },\n    82→    \"tts.openai.model\": { label: \"OpenAI TTS Model\", advanced: true },\n    83→    \"tts.openai.voice\": { label: \"OpenAI TTS Voice\", advanced: true },\n    84→    \"tts.openai.apiKey\": {\n    85→      label: \"OpenAI API Key\",\n    86→      sensitive: true,\n    87→      advanced: true,\n    88→    },\n    89→    \"tts.elevenlabs.modelId\": { label: \"ElevenLabs Model ID\", advanced: true },\n    90→    \"tts.elevenlabs.voiceId\": { label: \"ElevenLabs Voice ID\", advanced: true },\n    91→    \"tts.elevenlabs.apiKey\": {\n    92→      label: \"ElevenLabs API Key\",\n    93→      sensitive: true,\n    94→      advanced: true,\n    95→    },\n    96→    \"tts.elevenlabs.baseUrl\": { label: \"ElevenLabs Base URL\", advanced: true },\n    97→    publicUrl: { label: \"Public Webhook URL\", advanced: true },\n    98→    skipSignatureVerification: {\n    99→      label: \"Skip Signature Verification\",\n   100→      advanced: true,\n   101→    },\n   102→    store: { label: \"Call Log Store Path\", advanced: true },\n   103→    responseModel: { label: \"Response Model\", advanced: true },\n   104→    responseSystemPrompt: { label: \"Response System Prompt\", advanced: true },\n   105→    responseTimeoutMs: { label: \"Response Timeout (ms)\", advanced: true },\n   106→  },\n   107→};\n   108→\n   109→const VoiceCallToolSchema = Type.Union([\n   110→  Type.Object({\n   111→    action: Type.Literal(\"initiate_call\"),\n   112→    to: Type.Optional(Type.String({ description: \"Call target\" })),\n   113→    message: Type.String({ description: \"Intro message\" }),\n   114→    mode: Type.Optional(Type.Union([Type.Literal(\"notify\"), Type.Literal(\"conversation\")])),\n   115→  }),\n   116→  Type.Object({\n   117→    action: Type.Literal(\"continue_call\"),\n   118→    callId: Type.String({ description: \"Call ID\" }),\n   119→    message: Type.String({ description: \"Follow-up message\" }),\n   120→  }),\n   121→  Type.Object({\n   122→    action: Type.Literal(\"speak_to_user\"),\n   123→    callId: Type.String({ description: \"Call ID\" }),\n   124→    message: Type.String({ description: \"Message to speak\" }),\n   125→  }),\n   126→  Type.Object({\n   127→    action: Type.Literal(\"end_call\"),\n   128→    callId: Type.String({ description: \"Call ID\" }),\n   129→  }),\n   130→  Type.Object({\n   131→    action: Type.Literal(\"get_status\"),\n   132→    callId: Type.String({ description: \"Call ID\" }),\n   133→  }),\n   134→  Type.Object({\n   135→    mode: Type.Optional(Type.Union([Type.Literal(\"call\"), Type.Literal(\"status\")])),\n   136→    to: Type.Optional(Type.String({ description: \"Call target\" })),\n   137→    sid: Type.Optional(Type.String({ description: \"Call SID\" })),\n   138→    message: Type.Optional(Type.String({ description: \"Optional intro message\" })),\n   139→  }),\n   140→]);\n   141→\n   142→const voiceCallPlugin = {\n   143→  id: \"voice-call\",\n   144→  name: \"Voice Call\",\n   145→  description: \"Voice-call plugin with Telnyx/Twilio/Plivo providers\",\n   146→  configSchema: voiceCallConfigSchema,\n   147→  register(api) {\n   148→    const cfg = voiceCallConfigSchema.parse(api.pluginConfig);\n   149→    const validation = validateProviderConfig(cfg);\n   150→\n   151→    if (api.pluginConfig && typeof api.pluginConfig === \"object\") {\n   152→      const raw = api.pluginConfig as Record<string, unknown>;\n   153→      const twilio = raw.twilio as Record<string, unknown> | undefined;\n   154→      if (raw.provider === \"log\") {\n   155→        api.logger.warn(\n   156→          \"[voice-call] provider \\\"log\\\" is deprecated; use \\\"mock\\\" instead\",\n   157→        );\n   158→      }\n   159→      if (typeof twilio?.from === \"string\") {\n   160→        api.logger.warn(\n   161→          \"[voice-call] twilio.from is deprecated; use fromNumber instead\",\n   162→        );\n   163→      }\n   164→    }\n   165→\n   166→    let runtimePromise: Promise<VoiceCallRuntime> | null = null;\n   167→    let runtime: VoiceCallRuntime | null = null;\n   168→\n   169→    const ensureRuntime = async () => {\n   170→      if (!cfg.enabled) {\n   171→        throw new Error(\"Voice call disabled in plugin config\");\n   172→      }\n   173→      if (!validation.valid) {\n   174→        throw new Error(validation.errors.join(\"; \"));\n   175→      }\n   176→      if (runtime) return runtime;\n   177→      if (!runtimePromise) {\n   178→        runtimePromise = createVoiceCallRuntime({\n   179→          config: cfg,\n   180→          coreConfig: api.config as CoreConfig,\n   181→          ttsRuntime: api.runtime.tts,\n   182→          logger: api.logger,\n   183→        });\n   184→      }\n   185→      runtime = await runtimePromise;\n   186→      return runtime;\n   187→    };\n   188→\n   189→    const sendError = (respond: (ok: boolean, payload?: unknown) => void, err: unknown) => {\n   190→      respond(false, { error: err instanceof Error ? err.message : String(err) });\n   191→    };\n   192→\n   193→    api.registerGatewayMethod(\"voicecall.initiate\", async ({ params, respond }) => {\n   194→      try {\n   195→        const message =\n   196→          typeof params?.message === \"string\" ? params.message.trim() : \"\";\n   197→        if (!message) {\n   198→          respond(false, { error: \"message required\" });\n   199→          return;\n   200→        }\n   201→        const rt = await ensureRuntime();\n   202→        const to =\n   203→          typeof params?.to === \"string\" && params.to.trim()\n   204→            ? params.to.trim()\n   205→            : rt.config.toNumber;\n   206→        if (!to) {\n   207→          respond(false, { error: \"to required\" });\n   208→          return;\n   209→        }\n   210→        const mode =\n   211→          params?.mode === \"notify\" || params?.mode === \"conversation\"\n   212→            ? params.mode\n   213→            : undefined;\n   214→        const result = await rt.manager.initiateCall(to, undefined, {\n   215→          message,\n   216→          mode,\n   217→        });\n   218→        if (!result.success) {\n   219→          respond(false, { error: result.error || \"initiate failed\" });\n   220→          return;\n   221→        }\n   222→        respond(true, { callId: result.callId, initiated: true });\n   223→      } catch (err) {\n   224→        sendError(respond, err);\n   225→      }\n   226→    });\n   227→\n   228→    api.registerGatewayMethod(\"voicecall.continue\", async ({ params, respond }) => {\n   229→      try {\n   230→        const callId =\n   231→          typeof params?.callId === \"string\" ? params.callId.trim() : \"\";\n   232→        const message =\n   233→          typeof params?.message === \"string\" ? params.message.trim() : \"\";\n   234→        if (!callId || !message) {\n   235→          respond(false, { error: \"callId and message required\" });\n   236→          return;\n   237→        }\n   238→        const rt = await ensureRuntime();\n   239→        const result = await rt.manager.continueCall(callId, message);\n   240→        if (!result.success) {\n   241→          respond(false, { error: result.error || \"continue failed\" });\n   242→          return;\n   243→        }\n   244→        respond(true, { success: true, transcript: result.transcript });\n   245→      } catch (err) {\n   246→        sendError(respond, err);\n   247→      }\n   248→    });\n   249→\n   250→    api.registerGatewayMethod(\"voicecall.speak\", async ({ params, respond }) => {\n   251→      try {\n   252→        const callId =\n   253→          typeof params?.callId === \"string\" ? params.callId.trim() : \"\";\n   254→        const message =\n   255→          typeof params?.message === \"string\" ? params.message.trim() : \"\";\n   256→        if (!callId || !message) {\n   257→          respond(false, { error: \"callId and message required\" });\n   258→          return;\n   259→        }\n   260→        const rt = await ensureRuntime();\n   261→        const result = await rt.manager.speak(callId, message);\n   262→        if (!result.success) {\n   263→          respond(false, { error: result.error || \"speak failed\" });\n   264→          return;\n   265→        }\n   266→        respond(true, { success: true });\n   267→      } catch (err) {\n   268→        sendError(respond, err);\n   269→      }\n   270→    });\n   271→\n   272→    api.registerGatewayMethod(\"voicecall.end\", async ({ params, respond }) => {\n   273→      try {\n   274→        const callId =\n   275→          typeof params?.callId === \"string\" ? params.callId.trim() : \"\";\n   276→        if (!callId) {\n   277→          respond(false, { error: \"callId required\" });\n   278→          return;\n   279→        }\n   280→        const rt = await ensureRuntime();\n   281→        const result = await rt.manager.endCall(callId);\n   282→        if (!result.success) {\n   283→          respond(false, { error: result.error || \"end failed\" });\n   284→          return;\n   285→        }\n   286→        respond(true, { success: true });\n   287→      } catch (err) {\n   288→        sendError(respond, err);\n   289→      }\n   290→    });\n   291→\n   292→    api.registerGatewayMethod(\"voicecall.status\", async ({ params, respond }) => {\n   293→      try {\n   294→        const raw =\n   295→          typeof params?.callId === \"string\"\n   296→            ? params.callId.trim()\n   297→            : typeof params?.sid === \"string\"\n   298→              ? params.sid.trim()\n   299→              : \"\";\n   300→        if (!raw) {\n   301→          respond(false, { error: \"callId required\" });\n   302→          return;\n   303→        }\n   304→        const rt = await ensureRuntime();\n   305→        const call =\n   306→          rt.manager.getCall(raw) || rt.manager.getCallByProviderCallId(raw);\n   307→        if (!call) {\n   308→          respond(true, { found: false });\n   309→          return;\n   310→        }\n   311→        respond(true, { found: true, call });\n   312→      } catch (err) {\n   313→        sendError(respond, err);\n   314→      }\n   315→    });\n   316→\n   317→    api.registerGatewayMethod(\"voicecall.start\", async ({ params, respond }) => {\n   318→      try {\n   319→        const to = typeof params?.to === \"string\" ? params.to.trim() : \"\";\n   320→        const message =\n   321→          typeof params?.message === \"string\" ? params.message.trim() : \"\";\n   322→        if (!to) {\n   323→          respond(false, { error: \"to required\" });\n   324→          return;\n   325→        }\n   326→        const rt = await ensureRuntime();\n   327→        const result = await rt.manager.initiateCall(to, undefined, {\n   328→          message: message || undefined,\n   329→        });\n   330→        if (!result.success) {\n   331→          respond(false, { error: result.error || \"initiate failed\" });\n   332→          return;\n   333→        }\n   334→        respond(true, { callId: result.callId, initiated: true });\n   335→      } catch (err) {\n   336→        sendError(respond, err);\n   337→      }\n   338→    });\n   339→\n   340→    api.registerTool({\n   341→      name: \"voice_call\",\n   342→      label: \"Voice Call\",\n   343→      description:\n   344→        \"Make phone calls and have voice conversations via the voice-call plugin.\",\n   345→      parameters: VoiceCallToolSchema,\n   346→      async execute(_toolCallId, params) {\n   347→        const json = (payload: unknown) => ({\n   348→          content: [\n   349→            { type: \"text\", text: JSON.stringify(payload, null, 2) },\n   350→          ],\n   351→          details: payload,\n   352→        });\n   353→\n   354→        try {\n   355→          const rt = await ensureRuntime();\n   356→\n   357→          if (typeof params?.action === \"string\") {\n   358→            switch (params.action) {\n   359→              case \"initiate_call\": {\n   360→                const message = String(params.message || \"\").trim();\n   361→                if (!message) throw new Error(\"message required\");\n   362→                const to =\n   363→                  typeof params.to === \"string\" && params.to.trim()\n   364→                    ? params.to.trim()\n   365→                    : rt.config.toNumber;\n   366→                if (!to) throw new Error(\"to required\");\n   367→                const result = await rt.manager.initiateCall(to, undefined, {\n   368→                  message,\n   369→                  mode:\n   370→                    params.mode === \"notify\" || params.mode === \"conversation\"\n   371→                      ? params.mode\n   372→                      : undefined,\n   373→                });\n   374→                if (!result.success) {\n   375→                  throw new Error(result.error || \"initiate failed\");\n   376→                }\n   377→                return json({ callId: result.callId, initiated: true });\n   378→              }\n   379→              case \"continue_call\": {\n   380→                const callId = String(params.callId || \"\").trim();\n   381→                const message = String(params.message || \"\").trim();\n   382→                if (!callId || !message) {\n   383→                  throw new Error(\"callId and message required\");\n   384→                }\n   385→                const result = await rt.manager.continueCall(callId, message);\n   386→                if (!result.success) {\n   387→                  throw new Error(result.error || \"continue failed\");\n   388→                }\n   389→                return json({ success: true, transcript: result.transcript });\n   390→              }\n   391→              case \"speak_to_user\": {\n   392→                const callId = String(params.callId || \"\").trim();\n   393→                const message = String(params.message || \"\").trim();\n   394→                if (!callId || !message) {\n   395→                  throw new Error(\"callId and message required\");\n   396→                }\n   397→                const result = await rt.manager.speak(callId, message);\n   398→                if (!result.success) {\n   399→                  throw new Error(result.error || \"speak failed\");\n   400→                }\n   401→                return json({ success: true });\n   402→              }\n   403→              case \"end_call\": {\n   404→                const callId = String(params.callId || \"\").trim();\n   405→                if (!callId) throw new Error(\"callId required\");\n   406→                const result = await rt.manager.endCall(callId);\n   407→                if (!result.success) {\n   408→                  throw new Error(result.error || \"end failed\");\n   409→                }\n   410→                return json({ success: true });\n   411→              }\n   412→              case \"get_status\": {\n   413→                const callId = String(params.callId || \"\").trim();\n   414→                if (!callId) throw new Error(\"callId required\");\n   415→                const call =\n   416→                  rt.manager.getCall(callId) ||\n   417→                  rt.manager.getCallByProviderCallId(callId);\n   418→                return json(call ? { found: true, call } : { found: false });\n   419→              }\n   420→            }\n   421→          }\n   422→\n   423→          const mode = params?.mode ?? \"call\";\n   424→          if (mode === \"status\") {\n   425→            const sid =\n   426→              typeof params.sid === \"string\" ? params.sid.trim() : \"\";\n   427→            if (!sid) throw new Error(\"sid required for status\");\n   428→            const call =\n   429→              rt.manager.getCall(sid) || rt.manager.getCallByProviderCallId(sid);\n   430→            return json(call ? { found: true, call } : { found: false });\n   431→          }\n   432→\n   433→          const to =\n   434→            typeof params.to === \"string\" && params.to.trim()\n   435→              ? params.to.trim()\n   436→              : rt.config.toNumber;\n   437→          if (!to) throw new Error(\"to required for call\");\n   438→          const result = await rt.manager.initiateCall(to, undefined, {\n   439→            message:\n   440→              typeof params.message === \"string\" && params.message.trim()\n   441→                ? params.message.trim()\n   442→                : undefined,\n   443→          });\n   444→          if (!result.success) {\n   445→            throw new Error(result.error || \"initiate failed\");\n   446→          }\n   447→          return json({ callId: result.callId, initiated: true });\n   448→        } catch (err) {\n   449→          return json({\n   450→            error: err instanceof Error ? err.message : String(err),\n   451→          });\n   452→        }\n   453→      },\n   454→    });\n   455→\n   456→    api.registerCli(\n   457→      ({ program }) =>\n   458→        registerVoiceCallCli({\n   459→          program,\n   460→          config: cfg,\n   461→          ensureRuntime,\n   462→          logger: api.logger,\n   463→        }),\n   464→      { commands: [\"voicecall\"] },\n   465→    );\n   466→\n   467→    api.registerService({\n   468→      id: \"voicecall\",\n   469→      start: async () => {\n   470→        if (!cfg.enabled) return;\n   471→        try {\n   472→          await ensureRuntime();\n   473→        } catch (err) {\n   474→          api.logger.error(\n   475→            `[voice-call] Failed to start runtime: ${\n   476→              err instanceof Error ? err.message : String(err)\n   477→            }`,\n   478→          );\n   479→        }\n   480→      },\n   481→      stop: async () => {\n   482→        if (!runtimePromise) return;\n   483→        try {\n   484→          const rt = await runtimePromise;\n   485→          await rt.stop();\n   486→        } finally {\n   487→          runtimePromise = null;\n   488→          runtime = null;\n   489→        }\n   490→      },\n   491→    });\n   492→  },\n   493→};\n   494→\n   495→export default voiceCallPlugin;\n   496→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"}]},"uuid":"fe395285-44ab-46db-8517-cd9431e73678","timestamp":"2026-02-11T07:28:53.375Z","sourceToolAssistantUUID":"c463d5e1-b9ea-4e23-a36b-600de11eff1b"}
{"parentUuid":"fe395285-44ab-46db-8517-cd9431e73678","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_01FUDBV1T54eiSE7phCdzjE9","type":"message","role":"assistant","content":[{"type":"text","text":"Now let me check the source directory for the actual webhook and TwiML logic:"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":6717,"cache_read_input_tokens":11592,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":6717},"output_tokens":2,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tT5Nv7WryqtM7mLNFK","type":"assistant","uuid":"053eec0e-40e8-4914-ba5b-150529548eb4","timestamp":"2026-02-11T07:28:55.182Z"}
{"parentUuid":"053eec0e-40e8-4914-ba5b-150529548eb4","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_01FUDBV1T54eiSE7phCdzjE9","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01MQTQYGmx4ZjTyhQkZFBhAC","name":"Bash","input":{"command":"ls -la /home/ccuser/.clawdbot/extensions/voice-call/src/ | grep -E \"\\.(ts|js)$\""}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":6717,"cache_read_input_tokens":11592,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":6717},"output_tokens":2,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tT5Nv7WryqtM7mLNFK","type":"assistant","uuid":"1b315fc1-e5d9-41f8-a6ae-dbcf5ad82bf2","timestamp":"2026-02-11T07:28:55.634Z"}
{"parentUuid":"1b315fc1-e5d9-41f8-a6ae-dbcf5ad82bf2","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01MQTQYGmx4ZjTyhQkZFBhAC","type":"tool_result","content":"-rw-r--r-- 1 ccuser ccuser  9900 Feb 11 18:22 cli.ts\n-rw-r--r-- 1 ccuser ccuser 15522 Feb 11 18:22 config.ts\n-rw-r--r-- 1 ccuser ccuser  6015 Feb 11 18:22 core-bridge.ts\n-rw-r--r-- 1 ccuser ccuser  3620 Feb 11 18:22 manager.test.ts\n-rw-r--r-- 1 ccuser ccuser 25543 Feb 11 18:22 manager.ts\n-rw-r--r-- 1 ccuser ccuser  2481 Feb 11 18:22 media-stream.test.ts\n-rw-r--r-- 1 ccuser ccuser 10631 Feb 11 18:22 media-stream.ts\n-rw-r--r-- 1 ccuser ccuser  5072 Feb 11 18:22 response-generator.ts\n-rw-r--r-- 1 ccuser ccuser  6300 Feb 11 18:22 runtime.ts\n-rw-r--r-- 1 ccuser ccuser  2396 Feb 11 18:22 telephony-audio.ts\n-rw-r--r-- 1 ccuser ccuser  2588 Feb 11 18:22 telephony-tts.ts\n-rw-r--r-- 1 ccuser ccuser  8086 Feb 11 18:22 tunnel.ts\n-rw-r--r-- 1 ccuser ccuser  7318 Feb 11 18:22 types.ts\n-rw-r--r-- 1 ccuser ccuser   353 Feb 11 18:22 utils.ts\n-rw-r--r-- 1 ccuser ccuser  1780 Feb 11 18:22 voice-mapping.ts\n-rw-r--r-- 1 ccuser ccuser  5624 Feb 11 18:22 webhook-security.test.ts\n-rw-r--r-- 1 ccuser ccuser 12680 Feb 11 18:22 webhook-security.ts\n-rw-r--r-- 1 ccuser ccuser 14176 Feb 11 18:22 webhook.ts","is_error":false}]},"uuid":"5b066a94-5224-46c1-a22f-38e98271651c","timestamp":"2026-02-11T07:28:55.686Z","sourceToolAssistantUUID":"1b315fc1-e5d9-41f8-a6ae-dbcf5ad82bf2"}
{"parentUuid":"5b066a94-5224-46c1-a22f-38e98271651c","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_01JSBiWxPsuvZv52uQM9FCer","type":"message","role":"assistant","content":[{"type":"text","text":"Perfect! Now let me read the critical files for understanding webhook handling, TwiML, signature verification, and TTS:"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":734,"cache_read_input_tokens":18309,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":734},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tTFDkyWnvojjqqvUS7","type":"assistant","uuid":"e28ad4b3-8c31-488d-8e52-34329b48a036","timestamp":"2026-02-11T07:28:57.043Z"}
{"parentUuid":"e28ad4b3-8c31-488d-8e52-34329b48a036","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_01JSBiWxPsuvZv52uQM9FCer","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_013TPY1FeDti3Xh3ZVFKXfXB","name":"Read","input":{"file_path":"/home/ccuser/.clawdbot/extensions/voice-call/src/webhook.ts"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":734,"cache_read_input_tokens":18309,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":734},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tTFDkyWnvojjqqvUS7","type":"assistant","uuid":"09598223-3acf-4721-9a4a-0e041ea7a9e8","timestamp":"2026-02-11T07:28:57.317Z"}
{"parentUuid":"09598223-3acf-4721-9a4a-0e041ea7a9e8","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Read","command":"callback"},"parentToolUseID":"toolu_013TPY1FeDti3Xh3ZVFKXfXB","toolUseID":"toolu_013TPY1FeDti3Xh3ZVFKXfXB","timestamp":"2026-02-11T07:28:57.321Z","uuid":"e3a1cd5c-a0b3-4468-8d36-7c1237fd24a5"}
{"parentUuid":"09598223-3acf-4721-9a4a-0e041ea7a9e8","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_013TPY1FeDti3Xh3ZVFKXfXB","type":"tool_result","content":"     1→import { spawn } from \"node:child_process\";\n     2→import http from \"node:http\";\n     3→import { URL } from \"node:url\";\n     4→\n     5→import type { VoiceCallConfig } from \"./config.js\";\n     6→import type { CoreConfig } from \"./core-bridge.js\";\n     7→import type { CallManager } from \"./manager.js\";\n     8→import type { MediaStreamConfig } from \"./media-stream.js\";\n     9→import { MediaStreamHandler } from \"./media-stream.js\";\n    10→import type { VoiceCallProvider } from \"./providers/base.js\";\n    11→import { OpenAIRealtimeSTTProvider } from \"./providers/stt-openai-realtime.js\";\n    12→import type { TwilioProvider } from \"./providers/twilio.js\";\n    13→import type { NormalizedEvent, WebhookContext } from \"./types.js\";\n    14→\n    15→/**\n    16→ * HTTP server for receiving voice call webhooks from providers.\n    17→ * Supports WebSocket upgrades for media streams when streaming is enabled.\n    18→ */\n    19→export class VoiceCallWebhookServer {\n    20→  private server: http.Server | null = null;\n    21→  private config: VoiceCallConfig;\n    22→  private manager: CallManager;\n    23→  private provider: VoiceCallProvider;\n    24→  private coreConfig: CoreConfig | null;\n    25→\n    26→  /** Media stream handler for bidirectional audio (when streaming enabled) */\n    27→  private mediaStreamHandler: MediaStreamHandler | null = null;\n    28→\n    29→  constructor(\n    30→    config: VoiceCallConfig,\n    31→    manager: CallManager,\n    32→    provider: VoiceCallProvider,\n    33→    coreConfig?: CoreConfig,\n    34→  ) {\n    35→    this.config = config;\n    36→    this.manager = manager;\n    37→    this.provider = provider;\n    38→    this.coreConfig = coreConfig ?? null;\n    39→\n    40→    // Initialize media stream handler if streaming is enabled\n    41→    if (config.streaming?.enabled) {\n    42→      this.initializeMediaStreaming();\n    43→    }\n    44→  }\n    45→\n    46→  /**\n    47→   * Get the media stream handler (for wiring to provider).\n    48→   */\n    49→  getMediaStreamHandler(): MediaStreamHandler | null {\n    50→    return this.mediaStreamHandler;\n    51→  }\n    52→\n    53→  /**\n    54→   * Initialize media streaming with OpenAI Realtime STT.\n    55→   */\n    56→  private initializeMediaStreaming(): void {\n    57→    const apiKey =\n    58→      this.config.streaming?.openaiApiKey || process.env.OPENAI_API_KEY;\n    59→\n    60→    if (!apiKey) {\n    61→      console.warn(\n    62→        \"[voice-call] Streaming enabled but no OpenAI API key found\",\n    63→      );\n    64→      return;\n    65→    }\n    66→\n    67→    const sttProvider = new OpenAIRealtimeSTTProvider({\n    68→      apiKey,\n    69→      model: this.config.streaming?.sttModel,\n    70→      silenceDurationMs: this.config.streaming?.silenceDurationMs,\n    71→      vadThreshold: this.config.streaming?.vadThreshold,\n    72→    });\n    73→\n    74→    const streamConfig: MediaStreamConfig = {\n    75→      sttProvider,\n    76→      onTranscript: (providerCallId, transcript) => {\n    77→        console.log(\n    78→          `[voice-call] Transcript for ${providerCallId}: ${transcript}`,\n    79→        );\n    80→\n    81→        // Clear TTS queue on barge-in (user started speaking, interrupt current playback)\n    82→        if (this.provider.name === \"twilio\") {\n    83→          (this.provider as TwilioProvider).clearTtsQueue(providerCallId);\n    84→        }\n    85→\n    86→        // Look up our internal call ID from the provider call ID\n    87→        const call = this.manager.getCallByProviderCallId(providerCallId);\n    88→        if (!call) {\n    89→          console.warn(\n    90→            `[voice-call] No active call found for provider ID: ${providerCallId}`,\n    91→          );\n    92→          return;\n    93→        }\n    94→\n    95→        // Create a speech event and process it through the manager\n    96→        const event: NormalizedEvent = {\n    97→          id: `stream-transcript-${Date.now()}`,\n    98→          type: \"call.speech\",\n    99→          callId: call.callId,\n   100→          providerCallId,\n   101→          timestamp: Date.now(),\n   102→          transcript,\n   103→          isFinal: true,\n   104→        };\n   105→        this.manager.processEvent(event);\n   106→\n   107→        // Auto-respond in conversation mode (inbound always, outbound if mode is conversation)\n   108→        const callMode = call.metadata?.mode as string | undefined;\n   109→        const shouldRespond =\n   110→          call.direction === \"inbound\" || callMode === \"conversation\";\n   111→        if (shouldRespond) {\n   112→          this.handleInboundResponse(call.callId, transcript).catch((err) => {\n   113→            console.warn(`[voice-call] Failed to auto-respond:`, err);\n   114→          });\n   115→        }\n   116→      },\n   117→      onSpeechStart: (providerCallId) => {\n   118→        if (this.provider.name === \"twilio\") {\n   119→          (this.provider as TwilioProvider).clearTtsQueue(providerCallId);\n   120→        }\n   121→      },\n   122→      onPartialTranscript: (callId, partial) => {\n   123→        console.log(`[voice-call] Partial for ${callId}: ${partial}`);\n   124→      },\n   125→      onConnect: (callId, streamSid) => {\n   126→        console.log(\n   127→          `[voice-call] Media stream connected: ${callId} -> ${streamSid}`,\n   128→        );\n   129→        // Register stream with provider for TTS routing\n   130→        if (this.provider.name === \"twilio\") {\n   131→          (this.provider as TwilioProvider).registerCallStream(\n   132→            callId,\n   133→            streamSid,\n   134→          );\n   135→        }\n   136→\n   137→        // Speak initial message if one was provided when call was initiated\n   138→        // Use setTimeout to allow stream setup to complete\n   139→        setTimeout(() => {\n   140→          this.manager.speakInitialMessage(callId).catch((err) => {\n   141→            console.warn(`[voice-call] Failed to speak initial message:`, err);\n   142→          });\n   143→        }, 500);\n   144→      },\n   145→      onDisconnect: (callId) => {\n   146→        console.log(`[voice-call] Media stream disconnected: ${callId}`);\n   147→        if (this.provider.name === \"twilio\") {\n   148→          (this.provider as TwilioProvider).unregisterCallStream(callId);\n   149→        }\n   150→      },\n   151→    };\n   152→\n   153→    this.mediaStreamHandler = new MediaStreamHandler(streamConfig);\n   154→    console.log(\"[voice-call] Media streaming initialized\");\n   155→  }\n   156→\n   157→  /**\n   158→   * Start the webhook server.\n   159→   */\n   160→  async start(): Promise<string> {\n   161→    const { port, bind, path: webhookPath } = this.config.serve;\n   162→    const streamPath = this.config.streaming?.streamPath || \"/voice/stream\";\n   163→\n   164→    return new Promise((resolve, reject) => {\n   165→      this.server = http.createServer((req, res) => {\n   166→        this.handleRequest(req, res, webhookPath).catch((err) => {\n   167→          console.error(\"[voice-call] Webhook error:\", err);\n   168→          res.statusCode = 500;\n   169→          res.end(\"Internal Server Error\");\n   170→        });\n   171→      });\n   172→\n   173→      // Handle WebSocket upgrades for media streams\n   174→      if (this.mediaStreamHandler) {\n   175→        this.server.on(\"upgrade\", (request, socket, head) => {\n   176→          const url = new URL(\n   177→            request.url || \"/\",\n   178→            `http://${request.headers.host}`,\n   179→          );\n   180→\n   181→          if (url.pathname === streamPath) {\n   182→            console.log(\"[voice-call] WebSocket upgrade for media stream\");\n   183→            this.mediaStreamHandler?.handleUpgrade(request, socket, head);\n   184→          } else {\n   185→            socket.destroy();\n   186→          }\n   187→        });\n   188→      }\n   189→\n   190→      this.server.on(\"error\", reject);\n   191→\n   192→      this.server.listen(port, bind, () => {\n   193→        const url = `http://${bind}:${port}${webhookPath}`;\n   194→        console.log(`[voice-call] Webhook server listening on ${url}`);\n   195→        if (this.mediaStreamHandler) {\n   196→          console.log(\n   197→            `[voice-call] Media stream WebSocket on ws://${bind}:${port}${streamPath}`,\n   198→          );\n   199→        }\n   200→        resolve(url);\n   201→      });\n   202→    });\n   203→  }\n   204→\n   205→  /**\n   206→   * Stop the webhook server.\n   207→   */\n   208→  async stop(): Promise<void> {\n   209→    return new Promise((resolve) => {\n   210→      if (this.server) {\n   211→        this.server.close(() => {\n   212→          this.server = null;\n   213→          resolve();\n   214→        });\n   215→      } else {\n   216→        resolve();\n   217→      }\n   218→    });\n   219→  }\n   220→\n   221→  /**\n   222→   * Handle incoming HTTP request.\n   223→   */\n   224→  private async handleRequest(\n   225→    req: http.IncomingMessage,\n   226→    res: http.ServerResponse,\n   227→    webhookPath: string,\n   228→  ): Promise<void> {\n   229→    const url = new URL(req.url || \"/\", `http://${req.headers.host}`);\n   230→\n   231→    // Check path\n   232→    if (!url.pathname.startsWith(webhookPath)) {\n   233→      res.statusCode = 404;\n   234→      res.end(\"Not Found\");\n   235→      return;\n   236→    }\n   237→\n   238→    // Only accept POST\n   239→    if (req.method !== \"POST\") {\n   240→      res.statusCode = 405;\n   241→      res.end(\"Method Not Allowed\");\n   242→      return;\n   243→    }\n   244→\n   245→    // Read body\n   246→    const body = await this.readBody(req);\n   247→\n   248→    // Build webhook context\n   249→    const ctx: WebhookContext = {\n   250→      headers: req.headers as Record<string, string | string[] | undefined>,\n   251→      rawBody: body,\n   252→      url: `http://${req.headers.host}${req.url}`,\n   253→      method: \"POST\",\n   254→      query: Object.fromEntries(url.searchParams),\n   255→    };\n   256→\n   257→    // Verify signature\n   258→    const verification = this.provider.verifyWebhook(ctx);\n   259→    if (!verification.ok) {\n   260→      console.warn(\n   261→        `[voice-call] Webhook verification failed: ${verification.reason}`,\n   262→      );\n   263→      res.statusCode = 401;\n   264→      res.end(\"Unauthorized\");\n   265→      return;\n   266→    }\n   267→\n   268→    // Parse events\n   269→    const result = this.provider.parseWebhookEvent(ctx);\n   270→\n   271→    // Process each event\n   272→    for (const event of result.events) {\n   273→      try {\n   274→        this.manager.processEvent(event);\n   275→      } catch (err) {\n   276→        console.error(\n   277→          `[voice-call] Error processing event ${event.type}:`,\n   278→          err,\n   279→        );\n   280→      }\n   281→    }\n   282→\n   283→    // Send response\n   284→    res.statusCode = result.statusCode || 200;\n   285→\n   286→    if (result.providerResponseHeaders) {\n   287→      for (const [key, value] of Object.entries(\n   288→        result.providerResponseHeaders,\n   289→      )) {\n   290→        res.setHeader(key, value);\n   291→      }\n   292→    }\n   293→\n   294→    res.end(result.providerResponseBody || \"OK\");\n   295→  }\n   296→\n   297→  /**\n   298→   * Read request body as string.\n   299→   */\n   300→  private readBody(req: http.IncomingMessage): Promise<string> {\n   301→    return new Promise((resolve, reject) => {\n   302→      const chunks: Buffer[] = [];\n   303→      req.on(\"data\", (chunk) => chunks.push(chunk));\n   304→      req.on(\"end\", () => resolve(Buffer.concat(chunks).toString(\"utf-8\")));\n   305→      req.on(\"error\", reject);\n   306→    });\n   307→  }\n   308→\n   309→  /**\n   310→   * Handle auto-response for inbound calls using the agent system.\n   311→   * Supports tool calling for richer voice interactions.\n   312→   */\n   313→  private async handleInboundResponse(\n   314→    callId: string,\n   315→    userMessage: string,\n   316→  ): Promise<void> {\n   317→    console.log(\n   318→      `[voice-call] Auto-responding to inbound call ${callId}: \"${userMessage}\"`,\n   319→    );\n   320→\n   321→    // Get call context for conversation history\n   322→    const call = this.manager.getCall(callId);\n   323→    if (!call) {\n   324→      console.warn(`[voice-call] Call ${callId} not found for auto-response`);\n   325→      return;\n   326→    }\n   327→\n   328→    if (!this.coreConfig) {\n   329→      console.warn(\"[voice-call] Core config missing; skipping auto-response\");\n   330→      return;\n   331→    }\n   332→\n   333→    try {\n   334→      const { generateVoiceResponse } = await import(\"./response-generator.js\");\n   335→\n   336→      const result = await generateVoiceResponse({\n   337→        voiceConfig: this.config,\n   338→        coreConfig: this.coreConfig,\n   339→        callId,\n   340→        from: call.from,\n   341→        transcript: call.transcript,\n   342→        userMessage,\n   343→      });\n   344→\n   345→      if (result.error) {\n   346→        console.error(\n   347→          `[voice-call] Response generation error: ${result.error}`,\n   348→        );\n   349→        return;\n   350→      }\n   351→\n   352→      if (result.text) {\n   353→        console.log(`[voice-call] AI response: \"${result.text}\"`);\n   354→        await this.manager.speak(callId, result.text);\n   355→      }\n   356→    } catch (err) {\n   357→      console.error(`[voice-call] Auto-response error:`, err);\n   358→    }\n   359→  }\n   360→}\n   361→\n   362→/**\n   363→ * Resolve the current machine's Tailscale DNS name.\n   364→ */\n   365→export type TailscaleSelfInfo = {\n   366→  dnsName: string | null;\n   367→  nodeId: string | null;\n   368→};\n   369→\n   370→/**\n   371→ * Run a tailscale command with timeout, collecting stdout.\n   372→ */\n   373→function runTailscaleCommand(\n   374→  args: string[],\n   375→  timeoutMs = 2500,\n   376→): Promise<{ code: number; stdout: string }> {\n   377→  return new Promise((resolve) => {\n   378→    const proc = spawn(\"tailscale\", args, {\n   379→      stdio: [\"ignore\", \"pipe\", \"pipe\"],\n   380→    });\n   381→\n   382→    let stdout = \"\";\n   383→    proc.stdout.on(\"data\", (data) => {\n   384→      stdout += data;\n   385→    });\n   386→\n   387→    const timer = setTimeout(() => {\n   388→      proc.kill(\"SIGKILL\");\n   389→      resolve({ code: -1, stdout: \"\" });\n   390→    }, timeoutMs);\n   391→\n   392→    proc.on(\"close\", (code) => {\n   393→      clearTimeout(timer);\n   394→      resolve({ code: code ?? -1, stdout });\n   395→    });\n   396→  });\n   397→}\n   398→\n   399→export async function getTailscaleSelfInfo(): Promise<TailscaleSelfInfo | null> {\n   400→  const { code, stdout } = await runTailscaleCommand([\"status\", \"--json\"]);\n   401→  if (code !== 0) return null;\n   402→\n   403→  try {\n   404→    const status = JSON.parse(stdout);\n   405→    return {\n   406→      dnsName: status.Self?.DNSName?.replace(/\\.$/, \"\") || null,\n   407→      nodeId: status.Self?.ID || null,\n   408→    };\n   409→  } catch {\n   410→    return null;\n   411→  }\n   412→}\n   413→\n   414→export async function getTailscaleDnsName(): Promise<string | null> {\n   415→  const info = await getTailscaleSelfInfo();\n   416→  return info?.dnsName ?? null;\n   417→}\n   418→\n   419→export async function setupTailscaleExposureRoute(opts: {\n   420→  mode: \"serve\" | \"funnel\";\n   421→  path: string;\n   422→  localUrl: string;\n   423→}): Promise<string | null> {\n   424→  const dnsName = await getTailscaleDnsName();\n   425→  if (!dnsName) {\n   426→    console.warn(\"[voice-call] Could not get Tailscale DNS name\");\n   427→    return null;\n   428→  }\n   429→\n   430→  const { code } = await runTailscaleCommand([\n   431→    opts.mode,\n   432→    \"--bg\",\n   433→    \"--yes\",\n   434→    \"--set-path\",\n   435→    opts.path,\n   436→    opts.localUrl,\n   437→  ]);\n   438→\n   439→  if (code === 0) {\n   440→    const publicUrl = `https://${dnsName}${opts.path}`;\n   441→    console.log(`[voice-call] Tailscale ${opts.mode} active: ${publicUrl}`);\n   442→    return publicUrl;\n   443→  }\n   444→\n   445→  console.warn(`[voice-call] Tailscale ${opts.mode} failed`);\n   446→  return null;\n   447→}\n   448→\n   449→export async function cleanupTailscaleExposureRoute(opts: {\n   450→  mode: \"serve\" | \"funnel\";\n   451→  path: string;\n   452→}): Promise<void> {\n   453→  await runTailscaleCommand([opts.mode, \"off\", opts.path]);\n   454→}\n   455→\n   456→/**\n   457→ * Setup Tailscale serve/funnel for the webhook server.\n   458→ * This is a helper that shells out to `tailscale serve` or `tailscale funnel`.\n   459→ */\n   460→export async function setupTailscaleExposure(\n   461→  config: VoiceCallConfig,\n   462→): Promise<string | null> {\n   463→  if (config.tailscale.mode === \"off\") {\n   464→    return null;\n   465→  }\n   466→\n   467→  const mode = config.tailscale.mode === \"funnel\" ? \"funnel\" : \"serve\";\n   468→  // Include the path suffix so tailscale forwards to the correct endpoint\n   469→  // (tailscale strips the mount path prefix when proxying)\n   470→  const localUrl = `http://127.0.0.1:${config.serve.port}${config.serve.path}`;\n   471→  return setupTailscaleExposureRoute({\n   472→    mode,\n   473→    path: config.tailscale.path,\n   474→    localUrl,\n   475→  });\n   476→}\n   477→\n   478→/**\n   479→ * Cleanup Tailscale serve/funnel.\n   480→ */\n   481→export async function cleanupTailscaleExposure(\n   482→  config: VoiceCallConfig,\n   483→): Promise<void> {\n   484→  if (config.tailscale.mode === \"off\") {\n   485→    return;\n   486→  }\n   487→\n   488→  const mode = config.tailscale.mode === \"funnel\" ? \"funnel\" : \"serve\";\n   489→  await cleanupTailscaleExposureRoute({ mode, path: config.tailscale.path });\n   490→}\n   491→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"}]},"uuid":"7399da33-5ed6-49c9-8945-12cbc85fff2a","timestamp":"2026-02-11T07:28:57.321Z","sourceToolAssistantUUID":"09598223-3acf-4721-9a4a-0e041ea7a9e8"}
{"parentUuid":"7399da33-5ed6-49c9-8945-12cbc85fff2a","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_01JSBiWxPsuvZv52uQM9FCer","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_018jZosmVNfwT669Z7PWqz79","name":"Read","input":{"file_path":"/home/ccuser/.clawdbot/extensions/voice-call/src/webhook-security.ts"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":734,"cache_read_input_tokens":18309,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":734},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tTFDkyWnvojjqqvUS7","type":"assistant","uuid":"aee24475-0c46-43d7-a3e0-21311ac9932d","timestamp":"2026-02-11T07:28:57.527Z"}
{"parentUuid":"aee24475-0c46-43d7-a3e0-21311ac9932d","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Read","command":"callback"},"parentToolUseID":"toolu_018jZosmVNfwT669Z7PWqz79","toolUseID":"toolu_018jZosmVNfwT669Z7PWqz79","timestamp":"2026-02-11T07:28:57.531Z","uuid":"889a0398-0cba-4a02-aeca-f146bb87bae6"}
{"parentUuid":"aee24475-0c46-43d7-a3e0-21311ac9932d","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_018jZosmVNfwT669Z7PWqz79","type":"tool_result","content":"     1→import crypto from \"node:crypto\";\n     2→\n     3→import type { WebhookContext } from \"./types.js\";\n     4→\n     5→/**\n     6→ * Validate Twilio webhook signature using HMAC-SHA1.\n     7→ *\n     8→ * Twilio signs requests by concatenating the URL with sorted POST params,\n     9→ * then computing HMAC-SHA1 with the auth token.\n    10→ *\n    11→ * @see https://www.twilio.com/docs/usage/webhooks/webhooks-security\n    12→ */\n    13→export function validateTwilioSignature(\n    14→  authToken: string,\n    15→  signature: string | undefined,\n    16→  url: string,\n    17→  params: URLSearchParams,\n    18→): boolean {\n    19→  if (!signature) {\n    20→    return false;\n    21→  }\n    22→\n    23→  // Build the string to sign: URL + sorted params (key+value pairs)\n    24→  let dataToSign = url;\n    25→\n    26→  // Sort params alphabetically and append key+value\n    27→  const sortedParams = Array.from(params.entries()).sort((a, b) =>\n    28→    a[0] < b[0] ? -1 : a[0] > b[0] ? 1 : 0,\n    29→  );\n    30→\n    31→  for (const [key, value] of sortedParams) {\n    32→    dataToSign += key + value;\n    33→  }\n    34→\n    35→  // HMAC-SHA1 with auth token, then base64 encode\n    36→  const expectedSignature = crypto\n    37→    .createHmac(\"sha1\", authToken)\n    38→    .update(dataToSign)\n    39→    .digest(\"base64\");\n    40→\n    41→  // Use timing-safe comparison to prevent timing attacks\n    42→  return timingSafeEqual(signature, expectedSignature);\n    43→}\n    44→\n    45→/**\n    46→ * Timing-safe string comparison to prevent timing attacks.\n    47→ */\n    48→function timingSafeEqual(a: string, b: string): boolean {\n    49→  if (a.length !== b.length) {\n    50→    // Still do comparison to maintain constant time\n    51→    const dummy = Buffer.from(a);\n    52→    crypto.timingSafeEqual(dummy, dummy);\n    53→    return false;\n    54→  }\n    55→\n    56→  const bufA = Buffer.from(a);\n    57→  const bufB = Buffer.from(b);\n    58→  return crypto.timingSafeEqual(bufA, bufB);\n    59→}\n    60→\n    61→/**\n    62→ * Reconstruct the public webhook URL from request headers.\n    63→ *\n    64→ * When behind a reverse proxy (Tailscale, nginx, ngrok), the original URL\n    65→ * used by Twilio differs from the local request URL. We use standard\n    66→ * forwarding headers to reconstruct it.\n    67→ *\n    68→ * Priority order:\n    69→ * 1. X-Forwarded-Proto + X-Forwarded-Host (standard proxy headers)\n    70→ * 2. X-Original-Host (nginx)\n    71→ * 3. Ngrok-Forwarded-Host (ngrok specific)\n    72→ * 4. Host header (direct connection)\n    73→ */\n    74→export function reconstructWebhookUrl(ctx: WebhookContext): string {\n    75→  const { headers } = ctx;\n    76→\n    77→  const proto = getHeader(headers, \"x-forwarded-proto\") || \"https\";\n    78→\n    79→  const forwardedHost =\n    80→    getHeader(headers, \"x-forwarded-host\") ||\n    81→    getHeader(headers, \"x-original-host\") ||\n    82→    getHeader(headers, \"ngrok-forwarded-host\") ||\n    83→    getHeader(headers, \"host\") ||\n    84→    \"\";\n    85→\n    86→  // Extract path from the context URL (fallback to \"/\" on parse failure)\n    87→  let path = \"/\";\n    88→  try {\n    89→    const parsed = new URL(ctx.url);\n    90→    path = parsed.pathname + parsed.search;\n    91→  } catch {\n    92→    // URL parsing failed\n    93→  }\n    94→\n    95→  // Remove port from host (ngrok URLs don't have ports)\n    96→  const host = forwardedHost.split(\":\")[0] || forwardedHost;\n    97→\n    98→  return `${proto}://${host}${path}`;\n    99→}\n   100→\n   101→function buildTwilioVerificationUrl(\n   102→  ctx: WebhookContext,\n   103→  publicUrl?: string,\n   104→): string {\n   105→  if (!publicUrl) {\n   106→    return reconstructWebhookUrl(ctx);\n   107→  }\n   108→\n   109→  try {\n   110→    const base = new URL(publicUrl);\n   111→    const requestUrl = new URL(ctx.url);\n   112→    base.pathname = requestUrl.pathname;\n   113→    base.search = requestUrl.search;\n   114→    return base.toString();\n   115→  } catch {\n   116→    return publicUrl;\n   117→  }\n   118→}\n   119→\n   120→/**\n   121→ * Get a header value, handling both string and string[] types.\n   122→ */\n   123→function getHeader(\n   124→  headers: Record<string, string | string[] | undefined>,\n   125→  name: string,\n   126→): string | undefined {\n   127→  const value = headers[name.toLowerCase()];\n   128→  if (Array.isArray(value)) {\n   129→    return value[0];\n   130→  }\n   131→  return value;\n   132→}\n   133→\n   134→/**\n   135→ * Result of Twilio webhook verification with detailed info.\n   136→ */\n   137→export interface TwilioVerificationResult {\n   138→  ok: boolean;\n   139→  reason?: string;\n   140→  /** The URL that was used for verification (for debugging) */\n   141→  verificationUrl?: string;\n   142→  /** Whether we're running behind ngrok free tier */\n   143→  isNgrokFreeTier?: boolean;\n   144→}\n   145→\n   146→/**\n   147→ * Verify Twilio webhook with full context and detailed result.\n   148→ *\n   149→ * Handles the special case of ngrok free tier where signature validation\n   150→ * may fail due to URL discrepancies (ngrok adds interstitial page handling).\n   151→ */\n   152→export function verifyTwilioWebhook(\n   153→  ctx: WebhookContext,\n   154→  authToken: string,\n   155→  options?: {\n   156→    /** Override the public URL (e.g., from config) */\n   157→    publicUrl?: string;\n   158→    /** Allow ngrok free tier compatibility mode (less secure) */\n   159→    allowNgrokFreeTier?: boolean;\n   160→    /** Skip verification entirely (only for development) */\n   161→    skipVerification?: boolean;\n   162→  },\n   163→): TwilioVerificationResult {\n   164→  // Allow skipping verification for development/testing\n   165→  if (options?.skipVerification) {\n   166→    return { ok: true, reason: \"verification skipped (dev mode)\" };\n   167→  }\n   168→\n   169→  const signature = getHeader(ctx.headers, \"x-twilio-signature\");\n   170→\n   171→  if (!signature) {\n   172→    return { ok: false, reason: \"Missing X-Twilio-Signature header\" };\n   173→  }\n   174→\n   175→  // Reconstruct the URL Twilio used\n   176→  const verificationUrl = buildTwilioVerificationUrl(ctx, options?.publicUrl);\n   177→\n   178→  // Parse the body as URL-encoded params\n   179→  const params = new URLSearchParams(ctx.rawBody);\n   180→\n   181→  // Validate signature\n   182→  const isValid = validateTwilioSignature(\n   183→    authToken,\n   184→    signature,\n   185→    verificationUrl,\n   186→    params,\n   187→  );\n   188→\n   189→  if (isValid) {\n   190→    return { ok: true, verificationUrl };\n   191→  }\n   192→\n   193→  // Check if this is ngrok free tier - the URL might have different format\n   194→  const isNgrokFreeTier =\n   195→    verificationUrl.includes(\".ngrok-free.app\") ||\n   196→    verificationUrl.includes(\".ngrok.io\");\n   197→\n   198→  if (isNgrokFreeTier && options?.allowNgrokFreeTier) {\n   199→    console.warn(\n   200→      \"[voice-call] Twilio signature validation failed (proceeding for ngrok free tier compatibility)\",\n   201→    );\n   202→    return {\n   203→      ok: true,\n   204→      reason: \"ngrok free tier compatibility mode\",\n   205→      verificationUrl,\n   206→      isNgrokFreeTier: true,\n   207→    };\n   208→  }\n   209→\n   210→  return {\n   211→    ok: false,\n   212→    reason: `Invalid signature for URL: ${verificationUrl}`,\n   213→    verificationUrl,\n   214→    isNgrokFreeTier,\n   215→  };\n   216→}\n   217→\n   218→// -----------------------------------------------------------------------------\n   219→// Plivo webhook verification\n   220→// -----------------------------------------------------------------------------\n   221→\n   222→/**\n   223→ * Result of Plivo webhook verification with detailed info.\n   224→ */\n   225→export interface PlivoVerificationResult {\n   226→  ok: boolean;\n   227→  reason?: string;\n   228→  verificationUrl?: string;\n   229→  /** Signature version used for verification */\n   230→  version?: \"v3\" | \"v2\";\n   231→}\n   232→\n   233→function normalizeSignatureBase64(input: string): string {\n   234→  // Canonicalize base64 to match Plivo SDK behavior (decode then re-encode).\n   235→  return Buffer.from(input, \"base64\").toString(\"base64\");\n   236→}\n   237→\n   238→function getBaseUrlNoQuery(url: string): string {\n   239→  const u = new URL(url);\n   240→  return `${u.protocol}//${u.host}${u.pathname}`;\n   241→}\n   242→\n   243→function timingSafeEqualString(a: string, b: string): boolean {\n   244→  if (a.length !== b.length) {\n   245→    const dummy = Buffer.from(a);\n   246→    crypto.timingSafeEqual(dummy, dummy);\n   247→    return false;\n   248→  }\n   249→  return crypto.timingSafeEqual(Buffer.from(a), Buffer.from(b));\n   250→}\n   251→\n   252→function validatePlivoV2Signature(params: {\n   253→  authToken: string;\n   254→  signature: string;\n   255→  nonce: string;\n   256→  url: string;\n   257→}): boolean {\n   258→  const baseUrl = getBaseUrlNoQuery(params.url);\n   259→  const digest = crypto\n   260→    .createHmac(\"sha256\", params.authToken)\n   261→    .update(baseUrl + params.nonce)\n   262→    .digest(\"base64\");\n   263→  const expected = normalizeSignatureBase64(digest);\n   264→  const provided = normalizeSignatureBase64(params.signature);\n   265→  return timingSafeEqualString(expected, provided);\n   266→}\n   267→\n   268→type PlivoParamMap = Record<string, string[]>;\n   269→\n   270→function toParamMapFromSearchParams(sp: URLSearchParams): PlivoParamMap {\n   271→  const map: PlivoParamMap = {};\n   272→  for (const [key, value] of sp.entries()) {\n   273→    if (!map[key]) map[key] = [];\n   274→    map[key].push(value);\n   275→  }\n   276→  return map;\n   277→}\n   278→\n   279→function sortedQueryString(params: PlivoParamMap): string {\n   280→  const parts: string[] = [];\n   281→  for (const key of Object.keys(params).sort()) {\n   282→    const values = [...params[key]].sort();\n   283→    for (const value of values) {\n   284→      parts.push(`${key}=${value}`);\n   285→    }\n   286→  }\n   287→  return parts.join(\"&\");\n   288→}\n   289→\n   290→function sortedParamsString(params: PlivoParamMap): string {\n   291→  const parts: string[] = [];\n   292→  for (const key of Object.keys(params).sort()) {\n   293→    const values = [...params[key]].sort();\n   294→    for (const value of values) {\n   295→      parts.push(`${key}${value}`);\n   296→    }\n   297→  }\n   298→  return parts.join(\"\");\n   299→}\n   300→\n   301→function constructPlivoV3BaseUrl(params: {\n   302→  method: \"GET\" | \"POST\";\n   303→  url: string;\n   304→  postParams: PlivoParamMap;\n   305→}): string {\n   306→  const hasPostParams = Object.keys(params.postParams).length > 0;\n   307→  const u = new URL(params.url);\n   308→  const baseNoQuery = `${u.protocol}//${u.host}${u.pathname}`;\n   309→\n   310→  const queryMap = toParamMapFromSearchParams(u.searchParams);\n   311→  const queryString = sortedQueryString(queryMap);\n   312→\n   313→  // In the Plivo V3 algorithm, the query portion is always sorted, and if we\n   314→  // have POST params we add a '.' separator after the query string.\n   315→  let baseUrl = baseNoQuery;\n   316→  if (queryString.length > 0 || hasPostParams) {\n   317→    baseUrl = `${baseNoQuery}?${queryString}`;\n   318→  }\n   319→  if (queryString.length > 0 && hasPostParams) {\n   320→    baseUrl = `${baseUrl}.`;\n   321→  }\n   322→\n   323→  if (params.method === \"GET\") {\n   324→    return baseUrl;\n   325→  }\n   326→\n   327→  return baseUrl + sortedParamsString(params.postParams);\n   328→}\n   329→\n   330→function validatePlivoV3Signature(params: {\n   331→  authToken: string;\n   332→  signatureHeader: string;\n   333→  nonce: string;\n   334→  method: \"GET\" | \"POST\";\n   335→  url: string;\n   336→  postParams: PlivoParamMap;\n   337→}): boolean {\n   338→  const baseUrl = constructPlivoV3BaseUrl({\n   339→    method: params.method,\n   340→    url: params.url,\n   341→    postParams: params.postParams,\n   342→  });\n   343→\n   344→  const hmacBase = `${baseUrl}.${params.nonce}`;\n   345→  const digest = crypto\n   346→    .createHmac(\"sha256\", params.authToken)\n   347→    .update(hmacBase)\n   348→    .digest(\"base64\");\n   349→  const expected = normalizeSignatureBase64(digest);\n   350→\n   351→  // Header can contain multiple signatures separated by commas.\n   352→  const provided = params.signatureHeader\n   353→    .split(\",\")\n   354→    .map((s) => s.trim())\n   355→    .filter(Boolean)\n   356→    .map((s) => normalizeSignatureBase64(s));\n   357→\n   358→  for (const sig of provided) {\n   359→    if (timingSafeEqualString(expected, sig)) return true;\n   360→  }\n   361→  return false;\n   362→}\n   363→\n   364→/**\n   365→ * Verify Plivo webhooks using V3 signature if present; fall back to V2.\n   366→ *\n   367→ * Header names (case-insensitive; Node provides lower-case keys):\n   368→ * - V3: X-Plivo-Signature-V3 / X-Plivo-Signature-V3-Nonce\n   369→ * - V2: X-Plivo-Signature-V2 / X-Plivo-Signature-V2-Nonce\n   370→ */\n   371→export function verifyPlivoWebhook(\n   372→  ctx: WebhookContext,\n   373→  authToken: string,\n   374→  options?: {\n   375→    /** Override the public URL origin (host) used for verification */\n   376→    publicUrl?: string;\n   377→    /** Skip verification entirely (only for development) */\n   378→    skipVerification?: boolean;\n   379→  },\n   380→): PlivoVerificationResult {\n   381→  if (options?.skipVerification) {\n   382→    return { ok: true, reason: \"verification skipped (dev mode)\" };\n   383→  }\n   384→\n   385→  const signatureV3 = getHeader(ctx.headers, \"x-plivo-signature-v3\");\n   386→  const nonceV3 = getHeader(ctx.headers, \"x-plivo-signature-v3-nonce\");\n   387→  const signatureV2 = getHeader(ctx.headers, \"x-plivo-signature-v2\");\n   388→  const nonceV2 = getHeader(ctx.headers, \"x-plivo-signature-v2-nonce\");\n   389→\n   390→  const reconstructed = reconstructWebhookUrl(ctx);\n   391→  let verificationUrl = reconstructed;\n   392→  if (options?.publicUrl) {\n   393→    try {\n   394→      const req = new URL(reconstructed);\n   395→      const base = new URL(options.publicUrl);\n   396→      base.pathname = req.pathname;\n   397→      base.search = req.search;\n   398→      verificationUrl = base.toString();\n   399→    } catch {\n   400→      verificationUrl = reconstructed;\n   401→    }\n   402→  }\n   403→\n   404→  if (signatureV3 && nonceV3) {\n   405→    const method =\n   406→      ctx.method === \"GET\" || ctx.method === \"POST\" ? ctx.method : null;\n   407→\n   408→    if (!method) {\n   409→      return {\n   410→        ok: false,\n   411→        version: \"v3\",\n   412→        verificationUrl,\n   413→        reason: `Unsupported HTTP method for Plivo V3 signature: ${ctx.method}`,\n   414→      };\n   415→    }\n   416→\n   417→    const postParams = toParamMapFromSearchParams(new URLSearchParams(ctx.rawBody));\n   418→    const ok = validatePlivoV3Signature({\n   419→      authToken,\n   420→      signatureHeader: signatureV3,\n   421→      nonce: nonceV3,\n   422→      method,\n   423→      url: verificationUrl,\n   424→      postParams,\n   425→    });\n   426→    return ok\n   427→      ? { ok: true, version: \"v3\", verificationUrl }\n   428→      : {\n   429→          ok: false,\n   430→          version: \"v3\",\n   431→          verificationUrl,\n   432→          reason: \"Invalid Plivo V3 signature\",\n   433→        };\n   434→  }\n   435→\n   436→  if (signatureV2 && nonceV2) {\n   437→    const ok = validatePlivoV2Signature({\n   438→      authToken,\n   439→      signature: signatureV2,\n   440→      nonce: nonceV2,\n   441→      url: verificationUrl,\n   442→    });\n   443→    return ok\n   444→      ? { ok: true, version: \"v2\", verificationUrl }\n   445→      : {\n   446→          ok: false,\n   447→          version: \"v2\",\n   448→          verificationUrl,\n   449→          reason: \"Invalid Plivo V2 signature\",\n   450→        };\n   451→  }\n   452→\n   453→  return {\n   454→    ok: false,\n   455→    reason: \"Missing Plivo signature headers (V3 or V2)\",\n   456→    verificationUrl,\n   457→  };\n   458→}\n   459→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"}]},"uuid":"522ef8fe-a542-4b6d-b9be-cec0e0b69fc5","timestamp":"2026-02-11T07:28:57.531Z","sourceToolAssistantUUID":"aee24475-0c46-43d7-a3e0-21311ac9932d"}
{"parentUuid":"522ef8fe-a542-4b6d-b9be-cec0e0b69fc5","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_01JSBiWxPsuvZv52uQM9FCer","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01EySqh4Win1ux5aFJFmyYmG","name":"Read","input":{"file_path":"/home/ccuser/.clawdbot/extensions/voice-call/src/telephony-tts.ts"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":2,"cache_creation_input_tokens":734,"cache_read_input_tokens":18309,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":734},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tTFDkyWnvojjqqvUS7","type":"assistant","uuid":"e584fabe-add8-437a-8255-957f62ea6e92","timestamp":"2026-02-11T07:28:57.745Z"}
{"parentUuid":"e584fabe-add8-437a-8255-957f62ea6e92","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Read","command":"callback"},"parentToolUseID":"toolu_01EySqh4Win1ux5aFJFmyYmG","toolUseID":"toolu_01EySqh4Win1ux5aFJFmyYmG","timestamp":"2026-02-11T07:28:57.749Z","uuid":"c1fc460b-0d48-4937-9a7a-a716a8decbd0"}
{"parentUuid":"e584fabe-add8-437a-8255-957f62ea6e92","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01EySqh4Win1ux5aFJFmyYmG","type":"tool_result","content":"     1→import type { CoreConfig } from \"./core-bridge.js\";\n     2→import type { VoiceCallTtsConfig } from \"./config.js\";\n     3→import { convertPcmToMulaw8k } from \"./telephony-audio.js\";\n     4→\n     5→export type TelephonyTtsRuntime = {\n     6→  textToSpeechTelephony: (params: {\n     7→    text: string;\n     8→    cfg: CoreConfig;\n     9→    prefsPath?: string;\n    10→  }) => Promise<{\n    11→    success: boolean;\n    12→    audioBuffer?: Buffer;\n    13→    sampleRate?: number;\n    14→    provider?: string;\n    15→    error?: string;\n    16→  }>;\n    17→};\n    18→\n    19→export type TelephonyTtsProvider = {\n    20→  synthesizeForTelephony: (text: string) => Promise<Buffer>;\n    21→};\n    22→\n    23→export function createTelephonyTtsProvider(params: {\n    24→  coreConfig: CoreConfig;\n    25→  ttsOverride?: VoiceCallTtsConfig;\n    26→  runtime: TelephonyTtsRuntime;\n    27→}): TelephonyTtsProvider {\n    28→  const { coreConfig, ttsOverride, runtime } = params;\n    29→  const mergedConfig = applyTtsOverride(coreConfig, ttsOverride);\n    30→\n    31→  return {\n    32→    synthesizeForTelephony: async (text: string) => {\n    33→      const result = await runtime.textToSpeechTelephony({\n    34→        text,\n    35→        cfg: mergedConfig,\n    36→      });\n    37→\n    38→      if (!result.success || !result.audioBuffer || !result.sampleRate) {\n    39→        throw new Error(result.error ?? \"TTS conversion failed\");\n    40→      }\n    41→\n    42→      return convertPcmToMulaw8k(result.audioBuffer, result.sampleRate);\n    43→    },\n    44→  };\n    45→}\n    46→\n    47→function applyTtsOverride(\n    48→  coreConfig: CoreConfig,\n    49→  override?: VoiceCallTtsConfig,\n    50→): CoreConfig {\n    51→  if (!override) return coreConfig;\n    52→\n    53→  const base = coreConfig.messages?.tts;\n    54→  const merged = mergeTtsConfig(base, override);\n    55→  if (!merged) return coreConfig;\n    56→\n    57→  return {\n    58→    ...coreConfig,\n    59→    messages: {\n    60→      ...(coreConfig.messages ?? {}),\n    61→      tts: merged,\n    62→    },\n    63→  };\n    64→}\n    65→\n    66→function mergeTtsConfig(\n    67→  base?: VoiceCallTtsConfig,\n    68→  override?: VoiceCallTtsConfig,\n    69→): VoiceCallTtsConfig | undefined {\n    70→  if (!base && !override) return undefined;\n    71→  if (!override) return base;\n    72→  if (!base) return override;\n    73→  return deepMerge(base, override);\n    74→}\n    75→\n    76→function deepMerge<T>(base: T, override: T): T {\n    77→  if (!isPlainObject(base) || !isPlainObject(override)) {\n    78→    return override;\n    79→  }\n    80→  const result: Record<string, unknown> = { ...base };\n    81→  for (const [key, value] of Object.entries(override)) {\n    82→    if (value === undefined) continue;\n    83→    const existing = (base as Record<string, unknown>)[key];\n    84→    if (isPlainObject(existing) && isPlainObject(value)) {\n    85→      result[key] = deepMerge(existing, value);\n    86→    } else {\n    87→      result[key] = value;\n    88→    }\n    89→  }\n    90→  return result as T;\n    91→}\n    92→\n    93→function isPlainObject(value: unknown): value is Record<string, unknown> {\n    94→  return Boolean(value) && typeof value === \"object\" && !Array.isArray(value);\n    95→}\n    96→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"}]},"uuid":"97e8d833-d129-4561-a3c4-6b3d6970312c","timestamp":"2026-02-11T07:28:57.748Z","sourceToolAssistantUUID":"e584fabe-add8-437a-8255-957f62ea6e92"}
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{"parentUuid":"aed4ea75-6f81-424b-9a32-31c0b5624db2","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Read","command":"callback"},"parentToolUseID":"toolu_01RxzSp2tyMF8CMtFfEV4Dk5","toolUseID":"toolu_01RxzSp2tyMF8CMtFfEV4Dk5","timestamp":"2026-02-11T07:28:57.971Z","uuid":"737497f8-31d3-4f15-9128-19eed12d3bad"}
{"parentUuid":"aed4ea75-6f81-424b-9a32-31c0b5624db2","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01RxzSp2tyMF8CMtFfEV4Dk5","type":"tool_result","content":"     1→/**\n     2→ * Media Stream Handler\n     3→ *\n     4→ * Handles bidirectional audio streaming between Twilio and the AI services.\n     5→ * - Receives mu-law audio from Twilio via WebSocket\n     6→ * - Forwards to OpenAI Realtime STT for transcription\n     7→ * - Sends TTS audio back to Twilio\n     8→ */\n     9→\n    10→import type { IncomingMessage } from \"node:http\";\n    11→import type { Duplex } from \"node:stream\";\n    12→\n    13→import { WebSocket, WebSocketServer } from \"ws\";\n    14→\n    15→import type {\n    16→  OpenAIRealtimeSTTProvider,\n    17→  RealtimeSTTSession,\n    18→} from \"./providers/stt-openai-realtime.js\";\n    19→\n    20→/**\n    21→ * Configuration for the media stream handler.\n    22→ */\n    23→export interface MediaStreamConfig {\n    24→  /** STT provider for transcription */\n    25→  sttProvider: OpenAIRealtimeSTTProvider;\n    26→  /** Callback when transcript is received */\n    27→  onTranscript?: (callId: string, transcript: string) => void;\n    28→  /** Callback for partial transcripts (streaming UI) */\n    29→  onPartialTranscript?: (callId: string, partial: string) => void;\n    30→  /** Callback when stream connects */\n    31→  onConnect?: (callId: string, streamSid: string) => void;\n    32→  /** Callback when speech starts (barge-in) */\n    33→  onSpeechStart?: (callId: string) => void;\n    34→  /** Callback when stream disconnects */\n    35→  onDisconnect?: (callId: string) => void;\n    36→}\n    37→\n    38→/**\n    39→ * Active media stream session.\n    40→ */\n    41→interface StreamSession {\n    42→  callId: string;\n    43→  streamSid: string;\n    44→  ws: WebSocket;\n    45→  sttSession: RealtimeSTTSession;\n    46→}\n    47→\n    48→type TtsQueueEntry = {\n    49→  playFn: (signal: AbortSignal) => Promise<void>;\n    50→  controller: AbortController;\n    51→  resolve: () => void;\n    52→  reject: (error: unknown) => void;\n    53→};\n    54→\n    55→/**\n    56→ * Manages WebSocket connections for Twilio media streams.\n    57→ */\n    58→export class MediaStreamHandler {\n    59→  private wss: WebSocketServer | null = null;\n    60→  private sessions = new Map<string, StreamSession>();\n    61→  private config: MediaStreamConfig;\n    62→  /** TTS playback queues per stream (serialize audio to prevent overlap) */\n    63→  private ttsQueues = new Map<string, TtsQueueEntry[]>();\n    64→  /** Whether TTS is currently playing per stream */\n    65→  private ttsPlaying = new Map<string, boolean>();\n    66→  /** Active TTS playback controllers per stream */\n    67→  private ttsActiveControllers = new Map<string, AbortController>();\n    68→\n    69→  constructor(config: MediaStreamConfig) {\n    70→    this.config = config;\n    71→  }\n    72→\n    73→  /**\n    74→   * Handle WebSocket upgrade for media stream connections.\n    75→   */\n    76→  handleUpgrade(request: IncomingMessage, socket: Duplex, head: Buffer): void {\n    77→    if (!this.wss) {\n    78→      this.wss = new WebSocketServer({ noServer: true });\n    79→      this.wss.on(\"connection\", (ws, req) => this.handleConnection(ws, req));\n    80→    }\n    81→\n    82→    this.wss.handleUpgrade(request, socket, head, (ws) => {\n    83→      this.wss?.emit(\"connection\", ws, request);\n    84→    });\n    85→  }\n    86→\n    87→  /**\n    88→   * Handle new WebSocket connection from Twilio.\n    89→   */\n    90→  private async handleConnection(\n    91→    ws: WebSocket,\n    92→    _request: IncomingMessage,\n    93→  ): Promise<void> {\n    94→    let session: StreamSession | null = null;\n    95→\n    96→    ws.on(\"message\", async (data: Buffer) => {\n    97→      try {\n    98→        const message = JSON.parse(data.toString()) as TwilioMediaMessage;\n    99→\n   100→        switch (message.event) {\n   101→          case \"connected\":\n   102→            console.log(\"[MediaStream] Twilio connected\");\n   103→            break;\n   104→\n   105→          case \"start\":\n   106→            session = await this.handleStart(ws, message);\n   107→            break;\n   108→\n   109→          case \"media\":\n   110→            if (session && message.media?.payload) {\n   111→              // Forward audio to STT\n   112→              const audioBuffer = Buffer.from(message.media.payload, \"base64\");\n   113→              session.sttSession.sendAudio(audioBuffer);\n   114→            }\n   115→            break;\n   116→\n   117→          case \"stop\":\n   118→            if (session) {\n   119→              this.handleStop(session);\n   120→              session = null;\n   121→            }\n   122→            break;\n   123→        }\n   124→      } catch (error) {\n   125→        console.error(\"[MediaStream] Error processing message:\", error);\n   126→      }\n   127→    });\n   128→\n   129→    ws.on(\"close\", () => {\n   130→      if (session) {\n   131→        this.handleStop(session);\n   132→      }\n   133→    });\n   134→\n   135→    ws.on(\"error\", (error) => {\n   136→      console.error(\"[MediaStream] WebSocket error:\", error);\n   137→    });\n   138→  }\n   139→\n   140→  /**\n   141→   * Handle stream start event.\n   142→   */\n   143→  private async handleStart(\n   144→    ws: WebSocket,\n   145→    message: TwilioMediaMessage,\n   146→  ): Promise<StreamSession> {\n   147→    const streamSid = message.streamSid || \"\";\n   148→    const callSid = message.start?.callSid || \"\";\n   149→\n   150→    console.log(\n   151→      `[MediaStream] Stream started: ${streamSid} (call: ${callSid})`,\n   152→    );\n   153→\n   154→    // Create STT session\n   155→    const sttSession = this.config.sttProvider.createSession();\n   156→\n   157→    // Set up transcript callbacks\n   158→    sttSession.onPartial((partial) => {\n   159→      this.config.onPartialTranscript?.(callSid, partial);\n   160→    });\n   161→\n   162→    sttSession.onTranscript((transcript) => {\n   163→      this.config.onTranscript?.(callSid, transcript);\n   164→    });\n   165→\n   166→    sttSession.onSpeechStart(() => {\n   167→      this.config.onSpeechStart?.(callSid);\n   168→    });\n   169→\n   170→    const session: StreamSession = {\n   171→      callId: callSid,\n   172→      streamSid,\n   173→      ws,\n   174→      sttSession,\n   175→    };\n   176→\n   177→    this.sessions.set(streamSid, session);\n   178→\n   179→    // Notify connection BEFORE STT connect so TTS can work even if STT fails\n   180→    this.config.onConnect?.(callSid, streamSid);\n   181→\n   182→    // Connect to OpenAI STT (non-blocking, log errors but don't fail the call)\n   183→    sttSession.connect().catch((err) => {\n   184→      console.warn(\n   185→        `[MediaStream] STT connection failed (TTS still works):`,\n   186→        err.message,\n   187→      );\n   188→    });\n   189→\n   190→    return session;\n   191→  }\n   192→\n   193→  /**\n   194→   * Handle stream stop event.\n   195→   */\n   196→  private handleStop(session: StreamSession): void {\n   197→    console.log(`[MediaStream] Stream stopped: ${session.streamSid}`);\n   198→\n   199→    this.clearTtsState(session.streamSid);\n   200→    session.sttSession.close();\n   201→    this.sessions.delete(session.streamSid);\n   202→    this.config.onDisconnect?.(session.callId);\n   203→  }\n   204→\n   205→  /**\n   206→   * Get an active session with an open WebSocket, or undefined if unavailable.\n   207→   */\n   208→  private getOpenSession(streamSid: string): StreamSession | undefined {\n   209→    const session = this.sessions.get(streamSid);\n   210→    return session?.ws.readyState === WebSocket.OPEN ? session : undefined;\n   211→  }\n   212→\n   213→  /**\n   214→   * Send a message to a stream's WebSocket if available.\n   215→   */\n   216→  private sendToStream(streamSid: string, message: unknown): void {\n   217→    const session = this.getOpenSession(streamSid);\n   218→    session?.ws.send(JSON.stringify(message));\n   219→  }\n   220→\n   221→  /**\n   222→   * Send audio to a specific stream (for TTS playback).\n   223→   * Audio should be mu-law encoded at 8kHz mono.\n   224→   */\n   225→  sendAudio(streamSid: string, muLawAudio: Buffer): void {\n   226→    this.sendToStream(streamSid, {\n   227→      event: \"media\",\n   228→      streamSid,\n   229→      media: { payload: muLawAudio.toString(\"base64\") },\n   230→    });\n   231→  }\n   232→\n   233→  /**\n   234→   * Send a mark event to track audio playback position.\n   235→   */\n   236→  sendMark(streamSid: string, name: string): void {\n   237→    this.sendToStream(streamSid, {\n   238→      event: \"mark\",\n   239→      streamSid,\n   240→      mark: { name },\n   241→    });\n   242→  }\n   243→\n   244→  /**\n   245→   * Clear audio buffer (interrupt playback).\n   246→   */\n   247→  clearAudio(streamSid: string): void {\n   248→    this.sendToStream(streamSid, { event: \"clear\", streamSid });\n   249→  }\n   250→\n   251→  /**\n   252→   * Queue a TTS operation for sequential playback.\n   253→   * Only one TTS operation plays at a time per stream to prevent overlap.\n   254→   */\n   255→  async queueTts(\n   256→    streamSid: string,\n   257→    playFn: (signal: AbortSignal) => Promise<void>,\n   258→  ): Promise<void> {\n   259→    const queue = this.getTtsQueue(streamSid);\n   260→    let resolveEntry: () => void;\n   261→    let rejectEntry: (error: unknown) => void;\n   262→    const promise = new Promise<void>((resolve, reject) => {\n   263→      resolveEntry = resolve;\n   264→      rejectEntry = reject;\n   265→    });\n   266→\n   267→    queue.push({\n   268→      playFn,\n   269→      controller: new AbortController(),\n   270→      resolve: resolveEntry!,\n   271→      reject: rejectEntry!,\n   272→    });\n   273→\n   274→    if (!this.ttsPlaying.get(streamSid)) {\n   275→      void this.processQueue(streamSid);\n   276→    }\n   277→\n   278→    return promise;\n   279→  }\n   280→\n   281→  /**\n   282→   * Clear TTS queue and interrupt current playback (barge-in).\n   283→   */\n   284→  clearTtsQueue(streamSid: string): void {\n   285→    const queue = this.getTtsQueue(streamSid);\n   286→    queue.length = 0;\n   287→    this.ttsActiveControllers.get(streamSid)?.abort();\n   288→    this.clearAudio(streamSid);\n   289→  }\n   290→\n   291→  /**\n   292→   * Get active session by call ID.\n   293→   */\n   294→  getSessionByCallId(callId: string): StreamSession | undefined {\n   295→    return [...this.sessions.values()].find(\n   296→      (session) => session.callId === callId,\n   297→    );\n   298→  }\n   299→\n   300→  /**\n   301→   * Close all sessions.\n   302→   */\n   303→  closeAll(): void {\n   304→    for (const session of this.sessions.values()) {\n   305→      this.clearTtsState(session.streamSid);\n   306→      session.sttSession.close();\n   307→      session.ws.close();\n   308→    }\n   309→    this.sessions.clear();\n   310→  }\n   311→\n   312→  private getTtsQueue(streamSid: string): TtsQueueEntry[] {\n   313→    const existing = this.ttsQueues.get(streamSid);\n   314→    if (existing) return existing;\n   315→    const queue: TtsQueueEntry[] = [];\n   316→    this.ttsQueues.set(streamSid, queue);\n   317→    return queue;\n   318→  }\n   319→\n   320→  /**\n   321→   * Process the TTS queue for a stream.\n   322→   * Uses iterative approach to avoid stack accumulation from recursion.\n   323→   */\n   324→  private async processQueue(streamSid: string): Promise<void> {\n   325→    this.ttsPlaying.set(streamSid, true);\n   326→\n   327→    while (true) {\n   328→      const queue = this.ttsQueues.get(streamSid);\n   329→      if (!queue || queue.length === 0) {\n   330→        this.ttsPlaying.set(streamSid, false);\n   331→        this.ttsActiveControllers.delete(streamSid);\n   332→        return;\n   333→      }\n   334→\n   335→      const entry = queue.shift()!;\n   336→      this.ttsActiveControllers.set(streamSid, entry.controller);\n   337→\n   338→      try {\n   339→        await entry.playFn(entry.controller.signal);\n   340→        entry.resolve();\n   341→      } catch (error) {\n   342→        if (entry.controller.signal.aborted) {\n   343→          entry.resolve();\n   344→        } else {\n   345→          console.error(\"[MediaStream] TTS playback error:\", error);\n   346→          entry.reject(error);\n   347→        }\n   348→      } finally {\n   349→        if (this.ttsActiveControllers.get(streamSid) === entry.controller) {\n   350→          this.ttsActiveControllers.delete(streamSid);\n   351→        }\n   352→      }\n   353→    }\n   354→  }\n   355→\n   356→  private clearTtsState(streamSid: string): void {\n   357→    const queue = this.ttsQueues.get(streamSid);\n   358→    if (queue) queue.length = 0;\n   359→    this.ttsActiveControllers.get(streamSid)?.abort();\n   360→    this.ttsActiveControllers.delete(streamSid);\n   361→    this.ttsPlaying.delete(streamSid);\n   362→    this.ttsQueues.delete(streamSid);\n   363→  }\n   364→}\n   365→\n   366→/**\n   367→ * Twilio Media Stream message format.\n   368→ */\n   369→interface TwilioMediaMessage {\n   370→  event: \"connected\" | \"start\" | \"media\" | \"stop\" | \"mark\" | \"clear\";\n   371→  sequenceNumber?: string;\n   372→  streamSid?: string;\n   373→  start?: {\n   374→    streamSid: string;\n   375→    accountSid: string;\n   376→    callSid: string;\n   377→    tracks: string[];\n   378→    mediaFormat: {\n   379→      encoding: string;\n   380→      sampleRate: number;\n   381→      channels: number;\n   382→    };\n   383→  };\n   384→  media?: {\n   385→    track?: string;\n   386→    chunk?: string;\n   387→    timestamp?: string;\n   388→    payload?: string;\n   389→  };\n   390→  mark?: {\n   391→    name: string;\n   392→  };\n   393→}\n   394→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"}]},"uuid":"01427c4b-5bfb-4ed9-9fb6-0cbec38ce7a1","timestamp":"2026-02-11T07:28:57.971Z","sourceToolAssistantUUID":"aed4ea75-6f81-424b-9a32-31c0b5624db2"}
{"parentUuid":"01427c4b-5bfb-4ed9-9fb6-0cbec38ce7a1","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_012xi2py2ZnmVsGne1KtdASL","type":"message","role":"assistant","content":[{"type":"text","text":"Now let me look at the runtime.ts and manager.ts files to understand TwiML generation and how TTS gets applied:"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":17786,"cache_read_input_tokens":19043,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":17786},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tTR46r9CX5mn97pAvJ","type":"assistant","uuid":"bfa1d58d-c6ae-4fb4-84a4-278a82cf15f4","timestamp":"2026-02-11T07:28:59.208Z"}
{"parentUuid":"bfa1d58d-c6ae-4fb4-84a4-278a82cf15f4","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_012xi2py2ZnmVsGne1KtdASL","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_0155kQKXn9qGtZaRGQ9fRqnq","name":"Read","input":{"file_path":"/home/ccuser/.clawdbot/extensions/voice-call/src/runtime.ts"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":17786,"cache_read_input_tokens":19043,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":17786},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tTR46r9CX5mn97pAvJ","type":"assistant","uuid":"221536b0-dc29-464d-b3f9-d903fc0bed8c","timestamp":"2026-02-11T07:28:59.766Z"}
{"parentUuid":"221536b0-dc29-464d-b3f9-d903fc0bed8c","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Read","command":"callback"},"parentToolUseID":"toolu_0155kQKXn9qGtZaRGQ9fRqnq","toolUseID":"toolu_0155kQKXn9qGtZaRGQ9fRqnq","timestamp":"2026-02-11T07:28:59.770Z","uuid":"6a6fe784-3c23-459e-b161-e0cb35bd9602"}
{"parentUuid":"221536b0-dc29-464d-b3f9-d903fc0bed8c","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_0155kQKXn9qGtZaRGQ9fRqnq","type":"tool_result","content":"     1→import type { CoreConfig } from \"./core-bridge.js\";\n     2→import type { VoiceCallConfig } from \"./config.js\";\n     3→import { validateProviderConfig } from \"./config.js\";\n     4→import { CallManager } from \"./manager.js\";\n     5→import type { VoiceCallProvider } from \"./providers/base.js\";\n     6→import { MockProvider } from \"./providers/mock.js\";\n     7→import { PlivoProvider } from \"./providers/plivo.js\";\n     8→import { TelnyxProvider } from \"./providers/telnyx.js\";\n     9→import { TwilioProvider } from \"./providers/twilio.js\";\n    10→import type { TelephonyTtsRuntime } from \"./telephony-tts.js\";\n    11→import { createTelephonyTtsProvider } from \"./telephony-tts.js\";\n    12→import { startTunnel, type TunnelResult } from \"./tunnel.js\";\n    13→import {\n    14→  cleanupTailscaleExposure,\n    15→  setupTailscaleExposure,\n    16→  VoiceCallWebhookServer,\n    17→} from \"./webhook.js\";\n    18→\n    19→export type VoiceCallRuntime = {\n    20→  config: VoiceCallConfig;\n    21→  provider: VoiceCallProvider;\n    22→  manager: CallManager;\n    23→  webhookServer: VoiceCallWebhookServer;\n    24→  webhookUrl: string;\n    25→  publicUrl: string | null;\n    26→  stop: () => Promise<void>;\n    27→};\n    28→\n    29→type Logger = {\n    30→  info: (message: string) => void;\n    31→  warn: (message: string) => void;\n    32→  error: (message: string) => void;\n    33→  debug: (message: string) => void;\n    34→};\n    35→\n    36→function resolveProvider(config: VoiceCallConfig): VoiceCallProvider {\n    37→  switch (config.provider) {\n    38→    case \"telnyx\":\n    39→      return new TelnyxProvider({\n    40→        apiKey: config.telnyx?.apiKey ?? process.env.TELNYX_API_KEY,\n    41→        connectionId:\n    42→          config.telnyx?.connectionId ?? process.env.TELNYX_CONNECTION_ID,\n    43→        publicKey: config.telnyx?.publicKey ?? process.env.TELNYX_PUBLIC_KEY,\n    44→      });\n    45→    case \"twilio\":\n    46→      return new TwilioProvider(\n    47→        {\n    48→          accountSid:\n    49→            config.twilio?.accountSid ?? process.env.TWILIO_ACCOUNT_SID,\n    50→          authToken: config.twilio?.authToken ?? process.env.TWILIO_AUTH_TOKEN,\n    51→        },\n    52→        {\n    53→          allowNgrokFreeTier: config.tunnel?.allowNgrokFreeTier ?? true,\n    54→          publicUrl: config.publicUrl,\n    55→          skipVerification: config.skipSignatureVerification,\n    56→          streamPath: config.streaming?.enabled\n    57→            ? config.streaming.streamPath\n    58→            : undefined,\n    59→        },\n    60→      );\n    61→    case \"plivo\":\n    62→      return new PlivoProvider(\n    63→        {\n    64→          authId: config.plivo?.authId ?? process.env.PLIVO_AUTH_ID,\n    65→          authToken: config.plivo?.authToken ?? process.env.PLIVO_AUTH_TOKEN,\n    66→        },\n    67→        {\n    68→          publicUrl: config.publicUrl,\n    69→          skipVerification: config.skipSignatureVerification,\n    70→          ringTimeoutSec: Math.max(1, Math.floor(config.ringTimeoutMs / 1000)),\n    71→        },\n    72→      );\n    73→    case \"mock\":\n    74→      return new MockProvider();\n    75→    default:\n    76→      throw new Error(\n    77→        `Unsupported voice-call provider: ${String(config.provider)}`,\n    78→      );\n    79→  }\n    80→}\n    81→\n    82→export async function createVoiceCallRuntime(params: {\n    83→  config: VoiceCallConfig;\n    84→  coreConfig: CoreConfig;\n    85→  ttsRuntime?: TelephonyTtsRuntime;\n    86→  logger?: Logger;\n    87→}): Promise<VoiceCallRuntime> {\n    88→  const { config, coreConfig, ttsRuntime, logger } = params;\n    89→  const log = logger ?? {\n    90→    info: console.log,\n    91→    warn: console.warn,\n    92→    error: console.error,\n    93→    debug: console.debug,\n    94→  };\n    95→\n    96→  if (!config.enabled) {\n    97→    throw new Error(\n    98→      \"Voice call disabled. Enable the plugin entry in config.\",\n    99→    );\n   100→  }\n   101→\n   102→  const validation = validateProviderConfig(config);\n   103→  if (!validation.valid) {\n   104→    throw new Error(`Invalid voice-call config: ${validation.errors.join(\"; \")}`);\n   105→  }\n   106→\n   107→  const provider = resolveProvider(config);\n   108→  const manager = new CallManager(config);\n   109→  const webhookServer = new VoiceCallWebhookServer(\n   110→    config,\n   111→    manager,\n   112→    provider,\n   113→    coreConfig,\n   114→  );\n   115→\n   116→  const localUrl = await webhookServer.start();\n   117→\n   118→  // Determine public URL - priority: config.publicUrl > tunnel > legacy tailscale\n   119→  let publicUrl: string | null = config.publicUrl ?? null;\n   120→  let tunnelResult: TunnelResult | null = null;\n   121→\n   122→  if (!publicUrl && config.tunnel?.provider && config.tunnel.provider !== \"none\") {\n   123→    try {\n   124→      tunnelResult = await startTunnel({\n   125→        provider: config.tunnel.provider,\n   126→        port: config.serve.port,\n   127→        path: config.serve.path,\n   128→        ngrokAuthToken:\n   129→          config.tunnel.ngrokAuthToken ?? process.env.NGROK_AUTHTOKEN,\n   130→        ngrokDomain: config.tunnel.ngrokDomain ?? process.env.NGROK_DOMAIN,\n   131→      });\n   132→      publicUrl = tunnelResult?.publicUrl ?? null;\n   133→    } catch (err) {\n   134→      log.error(\n   135→        `[voice-call] Tunnel setup failed: ${\n   136→          err instanceof Error ? err.message : String(err)\n   137→        }`,\n   138→      );\n   139→    }\n   140→  }\n   141→\n   142→  if (!publicUrl && config.tailscale?.mode !== \"off\") {\n   143→    publicUrl = await setupTailscaleExposure(config);\n   144→  }\n   145→\n   146→  const webhookUrl = publicUrl ?? localUrl;\n   147→\n   148→  if (publicUrl && provider.name === \"twilio\") {\n   149→    (provider as TwilioProvider).setPublicUrl(publicUrl);\n   150→  }\n   151→\n   152→  if (provider.name === \"twilio\" && config.streaming?.enabled) {\n   153→    const twilioProvider = provider as TwilioProvider;\n   154→    if (ttsRuntime?.textToSpeechTelephony) {\n   155→      try {\n   156→        const ttsProvider = createTelephonyTtsProvider({\n   157→          coreConfig,\n   158→          ttsOverride: config.tts,\n   159→          runtime: ttsRuntime,\n   160→        });\n   161→        twilioProvider.setTTSProvider(ttsProvider);\n   162→        log.info(\"[voice-call] Telephony TTS provider configured\");\n   163→      } catch (err) {\n   164→        log.warn(\n   165→          `[voice-call] Failed to initialize telephony TTS: ${\n   166→            err instanceof Error ? err.message : String(err)\n   167→          }`,\n   168→        );\n   169→      }\n   170→    } else {\n   171→      log.warn(\"[voice-call] Telephony TTS unavailable; streaming TTS disabled\");\n   172→    }\n   173→\n   174→    const mediaHandler = webhookServer.getMediaStreamHandler();\n   175→    if (mediaHandler) {\n   176→      twilioProvider.setMediaStreamHandler(mediaHandler);\n   177→      log.info(\"[voice-call] Media stream handler wired to provider\");\n   178→    }\n   179→  }\n   180→\n   181→  manager.initialize(provider, webhookUrl);\n   182→\n   183→  const stop = async () => {\n   184→    if (tunnelResult) {\n   185→      await tunnelResult.stop();\n   186→    }\n   187→    await cleanupTailscaleExposure(config);\n   188→    await webhookServer.stop();\n   189→  };\n   190→\n   191→  log.info(\"[voice-call] Runtime initialized\");\n   192→  log.info(`[voice-call] Webhook URL: ${webhookUrl}`);\n   193→  if (publicUrl) {\n   194→    log.info(`[voice-call] Public URL: ${publicUrl}`);\n   195→  }\n   196→\n   197→  return {\n   198→    config,\n   199→    provider,\n   200→    manager,\n   201→    webhookServer,\n   202→    webhookUrl,\n   203→    publicUrl,\n   204→    stop,\n   205→  };\n   206→}\n   207→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"}]},"uuid":"3bf54e86-a14f-4723-a0a6-f8c697290790","timestamp":"2026-02-11T07:28:59.770Z","sourceToolAssistantUUID":"221536b0-dc29-464d-b3f9-d903fc0bed8c"}
{"parentUuid":"3bf54e86-a14f-4723-a0a6-f8c697290790","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_012xi2py2ZnmVsGne1KtdASL","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01SXGpVZa3T6Fp8Aq8V56SK8","name":"Bash","input":{"command":"head -200 /home/ccuser/.clawdbot/extensions/voice-call/src/manager.ts"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":17786,"cache_read_input_tokens":19043,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":17786},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tTR46r9CX5mn97pAvJ","type":"assistant","uuid":"af8ab21e-1569-4325-a09c-bfe7fa622103","timestamp":"2026-02-11T07:29:00.005Z"}
{"parentUuid":"af8ab21e-1569-4325-a09c-bfe7fa622103","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01SXGpVZa3T6Fp8Aq8V56SK8","type":"tool_result","content":"import crypto from \"node:crypto\";\nimport fs from \"node:fs\";\nimport fsp from \"node:fs/promises\";\nimport os from \"node:os\";\nimport path from \"node:path\";\n\nimport { resolveUserPath } from \"./utils.js\";\nimport type { CallMode, VoiceCallConfig } from \"./config.js\";\nimport type { VoiceCallProvider } from \"./providers/base.js\";\nimport {\n  type CallId,\n  type CallRecord,\n  CallRecordSchema,\n  type CallState,\n  type NormalizedEvent,\n  type OutboundCallOptions,\n  TerminalStates,\n  type TranscriptEntry,\n} from \"./types.js\";\nimport { escapeXml, mapVoiceToPolly } from \"./voice-mapping.js\";\n\n/**\n * Manages voice calls: state machine, persistence, and provider coordination.\n */\nexport class CallManager {\n  private activeCalls = new Map<CallId, CallRecord>();\n  private providerCallIdMap = new Map<string, CallId>(); // providerCallId -> internal callId\n  private processedEventIds = new Set<string>();\n  private provider: VoiceCallProvider | null = null;\n  private config: VoiceCallConfig;\n  private storePath: string;\n  private webhookUrl: string | null = null;\n  private transcriptWaiters = new Map<\n    CallId,\n    {\n      resolve: (text: string) => void;\n      reject: (err: Error) => void;\n      timeout: NodeJS.Timeout;\n    }\n  >();\n  /** Max duration timers to auto-hangup calls after configured timeout */\n  private maxDurationTimers = new Map<CallId, NodeJS.Timeout>();\n\n  constructor(config: VoiceCallConfig, storePath?: string) {\n    this.config = config;\n    // Resolve store path with tilde expansion (like other config values)\n    const rawPath =\n      storePath ||\n      config.store ||\n      path.join(os.homedir(), \"clawd\", \"voice-calls\");\n    this.storePath = resolveUserPath(rawPath);\n  }\n\n  /**\n   * Initialize the call manager with a provider.\n   */\n  initialize(provider: VoiceCallProvider, webhookUrl: string): void {\n    this.provider = provider;\n    this.webhookUrl = webhookUrl;\n\n    // Ensure store directory exists\n    fs.mkdirSync(this.storePath, { recursive: true });\n\n    // Load any persisted active calls\n    this.loadActiveCalls();\n  }\n\n  /**\n   * Get the current provider.\n   */\n  getProvider(): VoiceCallProvider | null {\n    return this.provider;\n  }\n\n  /**\n   * Initiate an outbound call.\n   * @param to - The phone number to call\n   * @param sessionKey - Optional session key for context\n   * @param options - Optional call options (message, mode)\n   */\n  async initiateCall(\n    to: string,\n    sessionKey?: string,\n    options?: OutboundCallOptions | string,\n  ): Promise<{ callId: CallId; success: boolean; error?: string }> {\n    // Support legacy string argument for initialMessage\n    const opts: OutboundCallOptions =\n      typeof options === \"string\" ? { message: options } : (options ?? {});\n    const initialMessage = opts.message;\n    const mode = opts.mode ?? this.config.outbound.defaultMode;\n    if (!this.provider) {\n      return { callId: \"\", success: false, error: \"Provider not initialized\" };\n    }\n\n    if (!this.webhookUrl) {\n      return {\n        callId: \"\",\n        success: false,\n        error: \"Webhook URL not configured\",\n      };\n    }\n\n    // Check concurrent call limit\n    const activeCalls = this.getActiveCalls();\n    if (activeCalls.length >= this.config.maxConcurrentCalls) {\n      return {\n        callId: \"\",\n        success: false,\n        error: `Maximum concurrent calls (${this.config.maxConcurrentCalls}) reached`,\n      };\n    }\n\n    const callId = crypto.randomUUID();\n    const from =\n      this.config.fromNumber ||\n      (this.provider?.name === \"mock\" ? \"+15550000000\" : undefined);\n    if (!from) {\n      return { callId: \"\", success: false, error: \"fromNumber not configured\" };\n    }\n\n    // Create call record with mode in metadata\n    const callRecord: CallRecord = {\n      callId,\n      provider: this.provider.name,\n      direction: \"outbound\",\n      state: \"initiated\",\n      from,\n      to,\n      sessionKey,\n      startedAt: Date.now(),\n      transcript: [],\n      processedEventIds: [],\n      metadata: {\n        ...(initialMessage && { initialMessage }),\n        mode,\n      },\n    };\n\n    this.activeCalls.set(callId, callRecord);\n    this.persistCallRecord(callRecord);\n\n    try {\n      // For notify mode with a message, use inline TwiML with <Say>\n      let inlineTwiml: string | undefined;\n      if (mode === \"notify\" && initialMessage) {\n        const pollyVoice = mapVoiceToPolly(this.config.tts?.openai?.voice);\n        inlineTwiml = this.generateNotifyTwiml(initialMessage, pollyVoice);\n        console.log(\n          `[voice-call] Using inline TwiML for notify mode (voice: ${pollyVoice})`,\n        );\n      }\n\n      const result = await this.provider.initiateCall({\n        callId,\n        from,\n        to,\n        webhookUrl: this.webhookUrl,\n        inlineTwiml,\n      });\n\n      callRecord.providerCallId = result.providerCallId;\n      this.providerCallIdMap.set(result.providerCallId, callId); // Map providerCallId to internal callId\n      this.persistCallRecord(callRecord);\n\n      return { callId, success: true };\n    } catch (err) {\n      callRecord.state = \"failed\";\n      callRecord.endedAt = Date.now();\n      callRecord.endReason = \"failed\";\n      this.persistCallRecord(callRecord);\n      this.activeCalls.delete(callId);\n      if (callRecord.providerCallId) {\n        this.providerCallIdMap.delete(callRecord.providerCallId);\n      }\n\n      return {\n        callId,\n        success: false,\n        error: err instanceof Error ? err.message : String(err),\n      };\n    }\n  }\n\n  /**\n   * Speak to user in an active call.\n   */\n  async speak(\n    callId: CallId,\n    text: string,\n  ): Promise<{ success: boolean; error?: string }> {\n    const call = this.activeCalls.get(callId);\n    if (!call) {\n      return { success: false, error: \"Call not found\" };\n    }\n\n    if (!this.provider || !call.providerCallId) {\n      return { success: false, error: \"Call not connected\" };\n    }\n\n    if (TerminalStates.has(call.state)) {","is_error":false}]},"uuid":"e30bf5a7-c38d-47f0-8dca-f98180d6faa3","timestamp":"2026-02-11T07:29:00.052Z","sourceToolAssistantUUID":"af8ab21e-1569-4325-a09c-bfe7fa622103"}
{"parentUuid":"e30bf5a7-c38d-47f0-8dca-f98180d6faa3","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_01RKwCSZsUKjJ38yy9rKeSG8","type":"message","role":"assistant","content":[{"type":"text","text":"Let me continue reading the manager.ts to see TwiML generation and TTS handling:"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":4717,"cache_read_input_tokens":36829,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":4717},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tTZtAjKn2TKi6899D8","type":"assistant","uuid":"db7b051e-7aff-4531-a103-a2515a41ca3a","timestamp":"2026-02-11T07:29:01.152Z"}
{"parentUuid":"db7b051e-7aff-4531-a103-a2515a41ca3a","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_01RKwCSZsUKjJ38yy9rKeSG8","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01LLYj2meKWJyuV6z6jAXmkC","name":"Bash","input":{"command":"grep -n \"generateNotifyTwiml\\|generateTwiml\\|Say\\|TwiML\\|ElevenLabs\\|synthesize\" /home/ccuser/.clawdbot/extensions/voice-call/src/manager.ts | head -40"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":3,"cache_creation_input_tokens":4717,"cache_read_input_tokens":36829,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":4717},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tTZtAjKn2TKi6899D8","type":"assistant","uuid":"a5e4cece-9e67-4a24-b488-cffa82cb64a6","timestamp":"2026-02-11T07:29:01.933Z"}
{"parentUuid":"a5e4cece-9e67-4a24-b488-cffa82cb64a6","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01LLYj2meKWJyuV6z6jAXmkC","type":"tool_result","content":"143:      // For notify mode with a message, use inline TwiML with <Say>\n147:        inlineTwiml = this.generateNotifyTwiml(initialMessage, pollyVoice);\n149:          `[voice-call] Using inline TwiML for notify mode (voice: ${pollyVoice})`,\n679:    // Twilio has provider-specific state for speaking (<Say> fallback) and can\n867:   * Generate TwiML for notify mode (speak message and hang up).\n869:  private generateNotifyTwiml(message: string, voice: string): string {\n872:  <Say voice=\"${voice}\">${escapeXml(message)}</Say>","is_error":false}]},"uuid":"465c8298-e66f-45a9-a638-c69ab2d2c4e5","timestamp":"2026-02-11T07:29:01.986Z","sourceToolAssistantUUID":"a5e4cece-9e67-4a24-b488-cffa82cb64a6"}
{"parentUuid":"465c8298-e66f-45a9-a638-c69ab2d2c4e5","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_011ncoFgqNJS8uHUDzDQiMyi","type":"message","role":"assistant","content":[{"type":"text","text":"Let me read more of manager.ts around the TwiML generation and speak functions:"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":344,"cache_read_input_tokens":41546,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":344},"output_tokens":3,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tTiYZvBuFi66h9Dy2C","type":"assistant","uuid":"8346f178-9cdc-4279-a0cf-0c7479b8b23a","timestamp":"2026-02-11T07:29:03.019Z"}
{"parentUuid":"8346f178-9cdc-4279-a0cf-0c7479b8b23a","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_011ncoFgqNJS8uHUDzDQiMyi","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01HQkS3bmhmo3oDR9VVbNMJZ","name":"Bash","input":{"command":"sed -n '850,950p' /home/ccuser/.clawdbot/extensions/voice-call/src/manager.ts"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":344,"cache_read_input_tokens":41546,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":344},"output_tokens":3,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tTiYZvBuFi66h9Dy2C","type":"assistant","uuid":"fe28bdcb-f755-4478-ab9b-53dd895c5844","timestamp":"2026-02-11T07:29:03.250Z"}
{"parentUuid":"fe28bdcb-f755-4478-ab9b-53dd895c5844","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01HQkS3bmhmo3oDR9VVbNMJZ","type":"tool_result","content":"    // Only keep non-terminal calls\n    for (const [callId, call] of callMap) {\n      if (!TerminalStates.has(call.state)) {\n        this.activeCalls.set(callId, call);\n        // Populate providerCallId mapping for lookups\n        if (call.providerCallId) {\n          this.providerCallIdMap.set(call.providerCallId, callId);\n        }\n        // Populate processed event IDs\n        for (const eventId of call.processedEventIds) {\n          this.processedEventIds.add(eventId);\n        }\n      }\n    }\n  }\n\n  /**\n   * Generate TwiML for notify mode (speak message and hang up).\n   */\n  private generateNotifyTwiml(message: string, voice: string): string {\n    return `<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<Response>\n  <Say voice=\"${voice}\">${escapeXml(message)}</Say>\n  <Hangup/>\n</Response>`;\n  }\n}","is_error":false}]},"uuid":"aa1d344c-a3ec-4ae1-bbd1-b47627ed7a41","timestamp":"2026-02-11T07:29:03.302Z","sourceToolAssistantUUID":"fe28bdcb-f755-4478-ab9b-53dd895c5844"}
{"parentUuid":"aa1d344c-a3ec-4ae1-bbd1-b47627ed7a41","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_01Dp9ykFuvaN9ZmUMXMb2UQT","type":"message","role":"assistant","content":[{"type":"text","text":"Let me check the provider files to understand how TwiML is generated and TTS is applied in the webhook response:"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":0,"cache_creation_input_tokens":407,"cache_read_input_tokens":41890,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":407},"output_tokens":5,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tTovWqfma8pH2Qo4Q6","type":"assistant","uuid":"9b49dda0-b49e-473f-82fb-85af4ca82a3c","timestamp":"2026-02-11T07:29:04.566Z"}
{"parentUuid":"9b49dda0-b49e-473f-82fb-85af4ca82a3c","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_01Dp9ykFuvaN9ZmUMXMb2UQT","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01XHAvsjT8aZtGHJBNiLWzom","name":"Bash","input":{"command":"ls -la /home/ccuser/.clawdbot/extensions/voice-call/src/providers/"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":0,"cache_creation_input_tokens":407,"cache_read_input_tokens":41890,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":407},"output_tokens":5,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tTovWqfma8pH2Qo4Q6","type":"assistant","uuid":"530b456d-8d55-4da4-9e55-4e506631954d","timestamp":"2026-02-11T07:29:04.963Z"}
{"parentUuid":"530b456d-8d55-4da4-9e55-4e506631954d","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01XHAvsjT8aZtGHJBNiLWzom","type":"tool_result","content":"total 104\ndrwxrwxr-x 3 ccuser ccuser  4096 Feb 11 18:22 .\ndrwxrwxr-x 4 ccuser ccuser  4096 Feb 11 18:22 ..\n-rw-r--r-- 1 ccuser ccuser  1748 Feb 11 18:22 base.ts\n-rw-r--r-- 1 ccuser ccuser   356 Feb 11 18:22 index.ts\n-rw-r--r-- 1 ccuser ccuser  4212 Feb 11 18:22 mock.ts\n-rw-r--r-- 1 ccuser ccuser  1134 Feb 11 18:22 plivo.test.ts\n-rw-r--r-- 1 ccuser ccuser 14998 Feb 11 18:22 plivo.ts\n-rw-r--r-- 1 ccuser ccuser  8763 Feb 11 18:22 stt-openai-realtime.ts\n-rw-r--r-- 1 ccuser ccuser  9899 Feb 11 18:22 telnyx.ts\n-rw-r--r-- 1 ccuser ccuser  7300 Feb 11 18:22 tts-openai.ts\ndrwxrwxr-x 2 ccuser ccuser  4096 Feb 11 18:22 twilio\n-rw-r--r-- 1 ccuser ccuser  1876 Feb 11 18:22 twilio.test.ts\n-rw-r--r-- 1 ccuser ccuser 19091 Feb 11 18:22 twilio.ts","is_error":false}]},"uuid":"824be689-0847-4a8c-83ba-51e3a933979e","timestamp":"2026-02-11T07:29:05.005Z","sourceToolAssistantUUID":"530b456d-8d55-4da4-9e55-4e506631954d"}
{"parentUuid":"824be689-0847-4a8c-83ba-51e3a933979e","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_01S6DStTB6ZAJsu3RW9ZT4LR","type":"message","role":"assistant","content":[{"type":"text","text":"Now let me read the twilio.ts provider file since that's likely where the TwiML and webhook response logic is:"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":0,"cache_creation_input_tokens":571,"cache_read_input_tokens":42297,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":571},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tTw5dXU9CWon7NYCrg","type":"assistant","uuid":"15a52415-6032-479d-bbf8-5fa824a384d7","timestamp":"2026-02-11T07:29:06.055Z"}
{"parentUuid":"15a52415-6032-479d-bbf8-5fa824a384d7","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_01S6DStTB6ZAJsu3RW9ZT4LR","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_013dtGifuQReMDmwt4hDj8eh","name":"Read","input":{"file_path":"/home/ccuser/.clawdbot/extensions/voice-call/src/providers/twilio.ts"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":0,"cache_creation_input_tokens":571,"cache_read_input_tokens":42297,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":571},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tTw5dXU9CWon7NYCrg","type":"assistant","uuid":"1c46d9f4-7199-45e5-8b9a-a6eccf97aa7c","timestamp":"2026-02-11T07:29:06.272Z"}
{"parentUuid":"1c46d9f4-7199-45e5-8b9a-a6eccf97aa7c","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Read","command":"callback"},"parentToolUseID":"toolu_013dtGifuQReMDmwt4hDj8eh","toolUseID":"toolu_013dtGifuQReMDmwt4hDj8eh","timestamp":"2026-02-11T07:29:06.275Z","uuid":"0e050138-600e-4395-9146-d6bc616671fc"}
{"parentUuid":"1c46d9f4-7199-45e5-8b9a-a6eccf97aa7c","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_013dtGifuQReMDmwt4hDj8eh","type":"tool_result","content":"     1→import crypto from \"node:crypto\";\n     2→\n     3→import type { TwilioConfig } from \"../config.js\";\n     4→import type { MediaStreamHandler } from \"../media-stream.js\";\n     5→import type {\n     6→  HangupCallInput,\n     7→  InitiateCallInput,\n     8→  InitiateCallResult,\n     9→  NormalizedEvent,\n    10→  PlayTtsInput,\n    11→  ProviderWebhookParseResult,\n    12→  StartListeningInput,\n    13→  StopListeningInput,\n    14→  WebhookContext,\n    15→  WebhookVerificationResult,\n    16→} from \"../types.js\";\n    17→import { escapeXml, mapVoiceToPolly } from \"../voice-mapping.js\";\n    18→import { chunkAudio } from \"../telephony-audio.js\";\n    19→import type { TelephonyTtsProvider } from \"../telephony-tts.js\";\n    20→import type { VoiceCallProvider } from \"./base.js\";\n    21→import { twilioApiRequest } from \"./twilio/api.js\";\n    22→import { verifyTwilioProviderWebhook } from \"./twilio/webhook.js\";\n    23→\n    24→/**\n    25→ * Twilio Voice API provider implementation.\n    26→ *\n    27→ * Uses Twilio Programmable Voice API with Media Streams for real-time\n    28→ * bidirectional audio streaming.\n    29→ *\n    30→ * @see https://www.twilio.com/docs/voice\n    31→ * @see https://www.twilio.com/docs/voice/media-streams\n    32→ */\n    33→export interface TwilioProviderOptions {\n    34→  /** Allow ngrok free tier compatibility mode (less secure) */\n    35→  allowNgrokFreeTier?: boolean;\n    36→  /** Override public URL for signature verification */\n    37→  publicUrl?: string;\n    38→  /** Path for media stream WebSocket (e.g., /voice/stream) */\n    39→  streamPath?: string;\n    40→  /** Skip webhook signature verification (development only) */\n    41→  skipVerification?: boolean;\n    42→}\n    43→\n    44→export class TwilioProvider implements VoiceCallProvider {\n    45→  readonly name = \"twilio\" as const;\n    46→\n    47→  private readonly accountSid: string;\n    48→  private readonly authToken: string;\n    49→  private readonly baseUrl: string;\n    50→  private readonly callWebhookUrls = new Map<string, string>();\n    51→  private readonly options: TwilioProviderOptions;\n    52→\n    53→  /** Current public webhook URL (set when tunnel starts or from config) */\n    54→  private currentPublicUrl: string | null = null;\n    55→\n    56→  /** Optional telephony TTS provider for streaming TTS */\n    57→  private ttsProvider: TelephonyTtsProvider | null = null;\n    58→\n    59→  /** Optional media stream handler for sending audio */\n    60→  private mediaStreamHandler: MediaStreamHandler | null = null;\n    61→\n    62→  /** Map of call SID to stream SID for media streams */\n    63→  private callStreamMap = new Map<string, string>();\n    64→\n    65→  /** Storage for TwiML content (for notify mode with URL-based TwiML) */\n    66→  private readonly twimlStorage = new Map<string, string>();\n    67→  /** Track notify-mode calls to avoid streaming on follow-up callbacks */\n    68→  private readonly notifyCalls = new Set<string>();\n    69→\n    70→  /**\n    71→   * Delete stored TwiML for a given `callId`.\n    72→   *\n    73→   * We keep TwiML in-memory only long enough to satisfy the initial Twilio\n    74→   * webhook request (notify mode). Subsequent webhooks should not reuse it.\n    75→   */\n    76→  private deleteStoredTwiml(callId: string): void {\n    77→    this.twimlStorage.delete(callId);\n    78→    this.notifyCalls.delete(callId);\n    79→  }\n    80→\n    81→  /**\n    82→   * Delete stored TwiML for a call, addressed by Twilio's provider call SID.\n    83→   *\n    84→   * This is used when we only have `providerCallId` (e.g. hangup).\n    85→   */\n    86→  private deleteStoredTwimlForProviderCall(providerCallId: string): void {\n    87→    const webhookUrl = this.callWebhookUrls.get(providerCallId);\n    88→    if (!webhookUrl) return;\n    89→\n    90→    const callIdMatch = webhookUrl.match(/callId=([^&]+)/);\n    91→    if (!callIdMatch) return;\n    92→\n    93→    this.deleteStoredTwiml(callIdMatch[1]);\n    94→  }\n    95→\n    96→  constructor(config: TwilioConfig, options: TwilioProviderOptions = {}) {\n    97→    if (!config.accountSid) {\n    98→      throw new Error(\"Twilio Account SID is required\");\n    99→    }\n   100→    if (!config.authToken) {\n   101→      throw new Error(\"Twilio Auth Token is required\");\n   102→    }\n   103→\n   104→    this.accountSid = config.accountSid;\n   105→    this.authToken = config.authToken;\n   106→    this.baseUrl = `https://api.twilio.com/2010-04-01/Accounts/${this.accountSid}`;\n   107→    this.options = options;\n   108→\n   109→    if (options.publicUrl) {\n   110→      this.currentPublicUrl = options.publicUrl;\n   111→    }\n   112→  }\n   113→\n   114→  setPublicUrl(url: string): void {\n   115→    this.currentPublicUrl = url;\n   116→  }\n   117→\n   118→  getPublicUrl(): string | null {\n   119→    return this.currentPublicUrl;\n   120→  }\n   121→\n   122→  setTTSProvider(provider: TelephonyTtsProvider): void {\n   123→    this.ttsProvider = provider;\n   124→  }\n   125→\n   126→  setMediaStreamHandler(handler: MediaStreamHandler): void {\n   127→    this.mediaStreamHandler = handler;\n   128→  }\n   129→\n   130→  registerCallStream(callSid: string, streamSid: string): void {\n   131→    this.callStreamMap.set(callSid, streamSid);\n   132→  }\n   133→\n   134→  unregisterCallStream(callSid: string): void {\n   135→    this.callStreamMap.delete(callSid);\n   136→  }\n   137→\n   138→  /**\n   139→   * Clear TTS queue for a call (barge-in).\n   140→   * Used when user starts speaking to interrupt current TTS playback.\n   141→   */\n   142→  clearTtsQueue(callSid: string): void {\n   143→    const streamSid = this.callStreamMap.get(callSid);\n   144→    if (streamSid && this.mediaStreamHandler) {\n   145→      this.mediaStreamHandler.clearTtsQueue(streamSid);\n   146→    }\n   147→  }\n   148→\n   149→  /**\n   150→   * Make an authenticated request to the Twilio API.\n   151→   */\n   152→  private async apiRequest<T = unknown>(\n   153→    endpoint: string,\n   154→    params: Record<string, string | string[]>,\n   155→    options?: { allowNotFound?: boolean },\n   156→  ): Promise<T> {\n   157→    return await twilioApiRequest<T>({\n   158→      baseUrl: this.baseUrl,\n   159→      accountSid: this.accountSid,\n   160→      authToken: this.authToken,\n   161→      endpoint,\n   162→      body: params,\n   163→      allowNotFound: options?.allowNotFound,\n   164→    });\n   165→  }\n   166→\n   167→  /**\n   168→   * Verify Twilio webhook signature using HMAC-SHA1.\n   169→   *\n   170→   * Handles reverse proxy scenarios (Tailscale, nginx, ngrok) by reconstructing\n   171→   * the public URL from forwarding headers.\n   172→   *\n   173→   * @see https://www.twilio.com/docs/usage/webhooks/webhooks-security\n   174→   */\n   175→  verifyWebhook(ctx: WebhookContext): WebhookVerificationResult {\n   176→    return verifyTwilioProviderWebhook({\n   177→      ctx,\n   178→      authToken: this.authToken,\n   179→      currentPublicUrl: this.currentPublicUrl,\n   180→      options: this.options,\n   181→    });\n   182→  }\n   183→\n   184→  /**\n   185→   * Parse Twilio webhook event into normalized format.\n   186→   */\n   187→  parseWebhookEvent(ctx: WebhookContext): ProviderWebhookParseResult {\n   188→    try {\n   189→      const params = new URLSearchParams(ctx.rawBody);\n   190→      const callIdFromQuery =\n   191→        typeof ctx.query?.callId === \"string\" && ctx.query.callId.trim()\n   192→          ? ctx.query.callId.trim()\n   193→          : undefined;\n   194→      const event = this.normalizeEvent(params, callIdFromQuery);\n   195→\n   196→      // For Twilio, we must return TwiML. Most actions are driven by Calls API updates,\n   197→      // so the webhook response is typically a pause to keep the call alive.\n   198→      const twiml = this.generateTwimlResponse(ctx);\n   199→\n   200→      return {\n   201→        events: event ? [event] : [],\n   202→        providerResponseBody: twiml,\n   203→        providerResponseHeaders: { \"Content-Type\": \"application/xml\" },\n   204→        statusCode: 200,\n   205→      };\n   206→    } catch {\n   207→      return { events: [], statusCode: 400 };\n   208→    }\n   209→  }\n   210→\n   211→  /**\n   212→   * Parse Twilio direction to normalized format.\n   213→   */\n   214→  private static parseDirection(\n   215→    direction: string | null,\n   216→  ): \"inbound\" | \"outbound\" | undefined {\n   217→    if (direction === \"inbound\") return \"inbound\";\n   218→    if (direction === \"outbound-api\" || direction === \"outbound-dial\")\n   219→      return \"outbound\";\n   220→    return undefined;\n   221→  }\n   222→\n   223→  /**\n   224→   * Convert Twilio webhook params to normalized event format.\n   225→   */\n   226→  private normalizeEvent(\n   227→    params: URLSearchParams,\n   228→    callIdOverride?: string,\n   229→  ): NormalizedEvent | null {\n   230→    const callSid = params.get(\"CallSid\") || \"\";\n   231→\n   232→    const baseEvent = {\n   233→      id: crypto.randomUUID(),\n   234→      callId: callIdOverride || callSid,\n   235→      providerCallId: callSid,\n   236→      timestamp: Date.now(),\n   237→      direction: TwilioProvider.parseDirection(params.get(\"Direction\")),\n   238→      from: params.get(\"From\") || undefined,\n   239→      to: params.get(\"To\") || undefined,\n   240→    };\n   241→\n   242→    // Handle speech result (from <Gather>)\n   243→    const speechResult = params.get(\"SpeechResult\");\n   244→    if (speechResult) {\n   245→      return {\n   246→        ...baseEvent,\n   247→        type: \"call.speech\",\n   248→        transcript: speechResult,\n   249→        isFinal: true,\n   250→        confidence: parseFloat(params.get(\"Confidence\") || \"0.9\"),\n   251→      };\n   252→    }\n   253→\n   254→    // Handle DTMF\n   255→    const digits = params.get(\"Digits\");\n   256→    if (digits) {\n   257→      return { ...baseEvent, type: \"call.dtmf\", digits };\n   258→    }\n   259→\n   260→    // Handle call status changes\n   261→    const callStatus = params.get(\"CallStatus\");\n   262→    switch (callStatus) {\n   263→      case \"initiated\":\n   264→        return { ...baseEvent, type: \"call.initiated\" };\n   265→      case \"ringing\":\n   266→        return { ...baseEvent, type: \"call.ringing\" };\n   267→      case \"in-progress\":\n   268→        return { ...baseEvent, type: \"call.answered\" };\n   269→      case \"completed\":\n   270→      case \"busy\":\n   271→      case \"no-answer\":\n   272→      case \"failed\":\n   273→        if (callIdOverride) {\n   274→          this.deleteStoredTwiml(callIdOverride);\n   275→        }\n   276→        return { ...baseEvent, type: \"call.ended\", reason: callStatus };\n   277→      case \"canceled\":\n   278→        if (callIdOverride) {\n   279→          this.deleteStoredTwiml(callIdOverride);\n   280→        }\n   281→        return { ...baseEvent, type: \"call.ended\", reason: \"hangup-bot\" };\n   282→      default:\n   283→        return null;\n   284→    }\n   285→  }\n   286→\n   287→  private static readonly EMPTY_TWIML =\n   288→    '<?xml version=\"1.0\" encoding=\"UTF-8\"?><Response></Response>';\n   289→\n   290→  private static readonly PAUSE_TWIML = `<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n   291→<Response>\n   292→  <Pause length=\"30\"/>\n   293→</Response>`;\n   294→\n   295→  /**\n   296→   * Generate TwiML response for webhook.\n   297→   * When a call is answered, connects to media stream for bidirectional audio.\n   298→   */\n   299→  private generateTwimlResponse(ctx?: WebhookContext): string {\n   300→    if (!ctx) return TwilioProvider.EMPTY_TWIML;\n   301→\n   302→    const params = new URLSearchParams(ctx.rawBody);\n   303→    const type =\n   304→      typeof ctx.query?.type === \"string\" ? ctx.query.type.trim() : undefined;\n   305→    const isStatusCallback = type === \"status\";\n   306→    const callStatus = params.get(\"CallStatus\");\n   307→    const direction = params.get(\"Direction\");\n   308→    const isOutbound = direction?.startsWith(\"outbound\") ?? false;\n   309→    const callIdFromQuery =\n   310→      typeof ctx.query?.callId === \"string\" && ctx.query.callId.trim()\n   311→        ? ctx.query.callId.trim()\n   312→        : undefined;\n   313→\n   314→    // Avoid logging webhook params/TwiML (may contain PII).\n   315→\n   316→    // Handle initial TwiML request (when Twilio first initiates the call)\n   317→    // Check if we have stored TwiML for this call (notify mode)\n   318→    if (callIdFromQuery && !isStatusCallback) {\n   319→      const storedTwiml = this.twimlStorage.get(callIdFromQuery);\n   320→      if (storedTwiml) {\n   321→        // Clean up after serving (one-time use)\n   322→        this.deleteStoredTwiml(callIdFromQuery);\n   323→        return storedTwiml;\n   324→      }\n   325→      if (this.notifyCalls.has(callIdFromQuery)) {\n   326→        return TwilioProvider.EMPTY_TWIML;\n   327→      }\n   328→\n   329→      // Conversation mode: return streaming TwiML immediately for outbound calls.\n   330→      if (isOutbound) {\n   331→        const streamUrl = this.getStreamUrl();\n   332→        return streamUrl\n   333→          ? this.getStreamConnectXml(streamUrl)\n   334→          : TwilioProvider.PAUSE_TWIML;\n   335→      }\n   336→    }\n   337→\n   338→    // Status callbacks should not receive TwiML.\n   339→    if (isStatusCallback) {\n   340→      return TwilioProvider.EMPTY_TWIML;\n   341→    }\n   342→\n   343→    // Handle subsequent webhook requests (status callbacks, etc.)\n   344→    // For inbound calls, answer immediately with stream\n   345→    if (direction === \"inbound\") {\n   346→      const streamUrl = this.getStreamUrl();\n   347→      return streamUrl\n   348→        ? this.getStreamConnectXml(streamUrl)\n   349→        : TwilioProvider.PAUSE_TWIML;\n   350→    }\n   351→\n   352→    // For outbound calls, only connect to stream when call is in-progress\n   353→    if (callStatus !== \"in-progress\") {\n   354→      return TwilioProvider.EMPTY_TWIML;\n   355→    }\n   356→\n   357→    const streamUrl = this.getStreamUrl();\n   358→    return streamUrl\n   359→      ? this.getStreamConnectXml(streamUrl)\n   360→      : TwilioProvider.PAUSE_TWIML;\n   361→  }\n   362→\n   363→  /**\n   364→   * Get the WebSocket URL for media streaming.\n   365→   * Derives from the public URL origin + stream path.\n   366→   */\n   367→  private getStreamUrl(): string | null {\n   368→    if (!this.currentPublicUrl || !this.options.streamPath) {\n   369→      return null;\n   370→    }\n   371→\n   372→    // Extract just the origin (host) from the public URL, ignoring any path\n   373→    const url = new URL(this.currentPublicUrl);\n   374→    const origin = url.origin;\n   375→\n   376→    // Convert https:// to wss:// for WebSocket\n   377→    const wsOrigin = origin\n   378→      .replace(/^https:\\/\\//, \"wss://\")\n   379→      .replace(/^http:\\/\\//, \"ws://\");\n   380→\n   381→    // Append the stream path\n   382→    const path = this.options.streamPath.startsWith(\"/\")\n   383→      ? this.options.streamPath\n   384→      : `/${this.options.streamPath}`;\n   385→\n   386→    return `${wsOrigin}${path}`;\n   387→  }\n   388→\n   389→  /**\n   390→   * Generate TwiML to connect a call to a WebSocket media stream.\n   391→   * This enables bidirectional audio streaming for real-time STT/TTS.\n   392→   *\n   393→   * @param streamUrl - WebSocket URL (wss://...) for the media stream\n   394→   */\n   395→  getStreamConnectXml(streamUrl: string): string {\n   396→    return `<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n   397→<Response>\n   398→  <Connect>\n   399→    <Stream url=\"${escapeXml(streamUrl)}\" />\n   400→  </Connect>\n   401→</Response>`;\n   402→  }\n   403→\n   404→  /**\n   405→   * Initiate an outbound call via Twilio API.\n   406→   * If inlineTwiml is provided, uses that directly (for notify mode).\n   407→   * Otherwise, uses webhook URL for dynamic TwiML.\n   408→   */\n   409→  async initiateCall(input: InitiateCallInput): Promise<InitiateCallResult> {\n   410→    const url = new URL(input.webhookUrl);\n   411→    url.searchParams.set(\"callId\", input.callId);\n   412→\n   413→    // Create separate URL for status callbacks (required by Twilio)\n   414→    const statusUrl = new URL(input.webhookUrl);\n   415→    statusUrl.searchParams.set(\"callId\", input.callId);\n   416→    statusUrl.searchParams.set(\"type\", \"status\"); // Differentiate from TwiML requests\n   417→\n   418→    // Store TwiML content if provided (for notify mode)\n   419→    // We now serve it from the webhook endpoint instead of sending inline\n   420→    if (input.inlineTwiml) {\n   421→      this.twimlStorage.set(input.callId, input.inlineTwiml);\n   422→      this.notifyCalls.add(input.callId);\n   423→    }\n   424→\n   425→    // Build request params - always use URL-based TwiML.\n   426→    // Twilio silently ignores `StatusCallback` when using the inline `Twiml` parameter.\n   427→    const params: Record<string, string | string[]> = {\n   428→      To: input.to,\n   429→      From: input.from,\n   430→      Url: url.toString(), // TwiML serving endpoint\n   431→      StatusCallback: statusUrl.toString(), // Separate status callback endpoint\n   432→      StatusCallbackEvent: [\"initiated\", \"ringing\", \"answered\", \"completed\"],\n   433→      Timeout: \"30\",\n   434→    };\n   435→\n   436→    const result = await this.apiRequest<TwilioCallResponse>(\n   437→      \"/Calls.json\",\n   438→      params,\n   439→    );\n   440→\n   441→    this.callWebhookUrls.set(result.sid, url.toString());\n   442→\n   443→    return {\n   444→      providerCallId: result.sid,\n   445→      status: result.status === \"queued\" ? \"queued\" : \"initiated\",\n   446→    };\n   447→  }\n   448→\n   449→  /**\n   450→   * Hang up a call via Twilio API.\n   451→   */\n   452→  async hangupCall(input: HangupCallInput): Promise<void> {\n   453→    this.deleteStoredTwimlForProviderCall(input.providerCallId);\n   454→\n   455→    this.callWebhookUrls.delete(input.providerCallId);\n   456→\n   457→    await this.apiRequest(\n   458→      `/Calls/${input.providerCallId}.json`,\n   459→      { Status: \"completed\" },\n   460→      { allowNotFound: true },\n   461→    );\n   462→  }\n   463→\n   464→  /**\n   465→   * Play TTS audio via Twilio.\n   466→   *\n   467→   * Two modes:\n   468→   * 1. Core TTS + Media Streams: If TTS provider and media stream are available,\n   469→   *    generates audio via core TTS and streams it through WebSocket (preferred).\n   470→   * 2. TwiML <Say>: Falls back to Twilio's native TTS with Polly voices.\n   471→   *    Note: This may not work on all Twilio accounts.\n   472→   */\n   473→  async playTts(input: PlayTtsInput): Promise<void> {\n   474→    // Try telephony TTS via media stream first (if configured)\n   475→    const streamSid = this.callStreamMap.get(input.providerCallId);\n   476→    if (this.ttsProvider && this.mediaStreamHandler && streamSid) {\n   477→      try {\n   478→        await this.playTtsViaStream(input.text, streamSid);\n   479→        return;\n   480→      } catch (err) {\n   481→        console.warn(\n   482→          `[voice-call] Telephony TTS failed, falling back to Twilio <Say>:`,\n   483→          err instanceof Error ? err.message : err,\n   484→        );\n   485→        // Fall through to TwiML <Say> fallback\n   486→      }\n   487→    }\n   488→\n   489→    // Fall back to TwiML <Say> (may not work on all accounts)\n   490→    const webhookUrl = this.callWebhookUrls.get(input.providerCallId);\n   491→    if (!webhookUrl) {\n   492→      throw new Error(\n   493→        \"Missing webhook URL for this call (provider state not initialized)\",\n   494→      );\n   495→    }\n   496→\n   497→    console.warn(\n   498→      \"[voice-call] Using TwiML <Say> fallback - telephony TTS not configured or media stream not active\",\n   499→    );\n   500→\n   501→    const pollyVoice = mapVoiceToPolly(input.voice);\n   502→    const twiml = `<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n   503→<Response>\n   504→  <Say voice=\"${pollyVoice}\" language=\"${input.locale || \"en-US\"}\">${escapeXml(input.text)}</Say>\n   505→  <Gather input=\"speech\" speechTimeout=\"auto\" action=\"${escapeXml(webhookUrl)}\" method=\"POST\">\n   506→    <Say>.</Say>\n   507→  </Gather>\n   508→</Response>`;\n   509→\n   510→    await this.apiRequest(`/Calls/${input.providerCallId}.json`, {\n   511→      Twiml: twiml,\n   512→    });\n   513→  }\n   514→\n   515→  /**\n   516→   * Play TTS via core TTS and Twilio Media Streams.\n   517→   * Generates audio with core TTS, converts to mu-law, and streams via WebSocket.\n   518→   * Uses a queue to serialize playback and prevent overlapping audio.\n   519→   */\n   520→  private async playTtsViaStream(\n   521→    text: string,\n   522→    streamSid: string,\n   523→  ): Promise<void> {\n   524→    if (!this.ttsProvider || !this.mediaStreamHandler) {\n   525→      throw new Error(\"TTS provider and media stream handler required\");\n   526→    }\n   527→\n   528→    // Stream audio in 20ms chunks (160 bytes at 8kHz mu-law)\n   529→    const CHUNK_SIZE = 160;\n   530→    const CHUNK_DELAY_MS = 20;\n   531→\n   532→    const handler = this.mediaStreamHandler;\n   533→    const ttsProvider = this.ttsProvider;\n   534→    await handler.queueTts(streamSid, async (signal) => {\n   535→      // Generate audio with core TTS (returns mu-law at 8kHz)\n   536→      const muLawAudio = await ttsProvider.synthesizeForTelephony(text);\n   537→      for (const chunk of chunkAudio(muLawAudio, CHUNK_SIZE)) {\n   538→        if (signal.aborted) break;\n   539→        handler.sendAudio(streamSid, chunk);\n   540→\n   541→        // Pace the audio to match real-time playback\n   542→        await new Promise((resolve) => setTimeout(resolve, CHUNK_DELAY_MS));\n   543→        if (signal.aborted) break;\n   544→      }\n   545→\n   546→      if (!signal.aborted) {\n   547→        // Send a mark to track when audio finishes\n   548→        handler.sendMark(streamSid, `tts-${Date.now()}`);\n   549→      }\n   550→    });\n   551→  }\n   552→\n   553→  /**\n   554→   * Start listening for speech via Twilio <Gather>.\n   555→   */\n   556→  async startListening(input: StartListeningInput): Promise<void> {\n   557→    const webhookUrl = this.callWebhookUrls.get(input.providerCallId);\n   558→    if (!webhookUrl) {\n   559→      throw new Error(\n   560→        \"Missing webhook URL for this call (provider state not initialized)\",\n   561→      );\n   562→    }\n   563→\n   564→    const twiml = `<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n   565→<Response>\n   566→  <Gather input=\"speech\" speechTimeout=\"auto\" language=\"${input.language || \"en-US\"}\" action=\"${escapeXml(webhookUrl)}\" method=\"POST\">\n   567→  </Gather>\n   568→</Response>`;\n   569→\n   570→    await this.apiRequest(`/Calls/${input.providerCallId}.json`, {\n   571→      Twiml: twiml,\n   572→    });\n   573→  }\n   574→\n   575→  /**\n   576→   * Stop listening - for Twilio this is a no-op as <Gather> auto-ends.\n   577→   */\n   578→  async stopListening(_input: StopListeningInput): Promise<void> {\n   579→    // Twilio's <Gather> automatically stops on speech end\n   580→    // No explicit action needed\n   581→  }\n   582→}\n   583→\n   584→// -----------------------------------------------------------------------------\n   585→// Twilio-specific types\n   586→// -----------------------------------------------------------------------------\n   587→\n   588→interface TwilioCallResponse {\n   589→  sid: string;\n   590→  status: string;\n   591→  direction: string;\n   592→  from: string;\n   593→  to: string;\n   594→  uri: string;\n   595→}\n   596→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"}]},"uuid":"5048ec68-e1d1-4c5a-b2b1-5834cdb9a6e6","timestamp":"2026-02-11T07:29:06.275Z","sourceToolAssistantUUID":"1c46d9f4-7199-45e5-8b9a-a6eccf97aa7c"}
{"parentUuid":"5048ec68-e1d1-4c5a-b2b1-5834cdb9a6e6","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_01AnU8vurMXSTGcg8jWgiPmd","type":"message","role":"assistant","content":[{"type":"text","text":"Perfect! Now let me check the webhook verification module in twilio:"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":0,"cache_creation_input_tokens":8094,"cache_read_input_tokens":42868,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":8094},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tU2a2XhCsdiHwgZUYA","type":"assistant","uuid":"82341626-ad78-4e89-b0f7-bba3c2239033","timestamp":"2026-02-11T07:29:07.507Z"}
{"parentUuid":"82341626-ad78-4e89-b0f7-bba3c2239033","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_01AnU8vurMXSTGcg8jWgiPmd","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01FERbVJ7Mtg5y3nXHmBN7mN","name":"Bash","input":{"command":"ls -la /home/ccuser/.clawdbot/extensions/voice-call/src/providers/twilio/"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":0,"cache_creation_input_tokens":8094,"cache_read_input_tokens":42868,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":8094},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tU2a2XhCsdiHwgZUYA","type":"assistant","uuid":"d7d28897-44ca-4e2a-8864-af2039db34db","timestamp":"2026-02-11T07:29:08.055Z"}
{"parentUuid":"d7d28897-44ca-4e2a-8864-af2039db34db","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01FERbVJ7Mtg5y3nXHmBN7mN","type":"tool_result","content":"total 16\ndrwxrwxr-x 2 ccuser ccuser 4096 Feb 11 18:22 .\ndrwxrwxr-x 3 ccuser ccuser 4096 Feb 11 18:22 ..\n-rw-r--r-- 1 ccuser ccuser 1404 Feb 11 18:22 api.ts\n-rw-r--r-- 1 ccuser ccuser  939 Feb 11 18:22 webhook.ts","is_error":false}]},"uuid":"239ada23-d8b0-4071-9c80-913cc9a9c052","timestamp":"2026-02-11T07:29:08.102Z","sourceToolAssistantUUID":"d7d28897-44ca-4e2a-8864-af2039db34db"}
{"parentUuid":"239ada23-d8b0-4071-9c80-913cc9a9c052","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_01SNyJoqwqWrECFg67XuAU5B","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01Hp3hjFYkhbg1bmScUUA2Hv","name":"Read","input":{"file_path":"/home/ccuser/.clawdbot/extensions/voice-call/src/providers/twilio/webhook.ts"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":0,"cache_creation_input_tokens":264,"cache_read_input_tokens":50962,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":264},"output_tokens":18,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tUAMqjkQZQpcaNBAyd","type":"assistant","uuid":"457c6df7-f74a-4b71-ae8d-36042d3c8522","timestamp":"2026-02-11T07:29:09.193Z"}
{"parentUuid":"457c6df7-f74a-4b71-ae8d-36042d3c8522","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Read","command":"callback"},"parentToolUseID":"toolu_01Hp3hjFYkhbg1bmScUUA2Hv","toolUseID":"toolu_01Hp3hjFYkhbg1bmScUUA2Hv","timestamp":"2026-02-11T07:29:09.197Z","uuid":"78a50fe6-e830-4d5a-8909-8a1e287b18d3"}
{"parentUuid":"457c6df7-f74a-4b71-ae8d-36042d3c8522","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01Hp3hjFYkhbg1bmScUUA2Hv","type":"tool_result","content":"     1→import type { WebhookContext, WebhookVerificationResult } from \"../../types.js\";\n     2→import { verifyTwilioWebhook } from \"../../webhook-security.js\";\n     3→\n     4→import type { TwilioProviderOptions } from \"../twilio.js\";\n     5→\n     6→export function verifyTwilioProviderWebhook(params: {\n     7→  ctx: WebhookContext;\n     8→  authToken: string;\n     9→  currentPublicUrl?: string | null;\n    10→  options: TwilioProviderOptions;\n    11→}): WebhookVerificationResult {\n    12→  const result = verifyTwilioWebhook(params.ctx, params.authToken, {\n    13→    publicUrl: params.currentPublicUrl || undefined,\n    14→    allowNgrokFreeTier: params.options.allowNgrokFreeTier ?? true,\n    15→    skipVerification: params.options.skipVerification,\n    16→  });\n    17→\n    18→  if (!result.ok) {\n    19→    console.warn(`[twilio] Webhook verification failed: ${result.reason}`);\n    20→    if (result.verificationUrl) {\n    21→      console.warn(`[twilio] Verification URL: ${result.verificationUrl}`);\n    22→    }\n    23→  }\n    24→\n    25→  return {\n    26→    ok: result.ok,\n    27→    reason: result.reason,\n    28→  };\n    29→}\n    30→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"}]},"uuid":"78bb5249-4c14-436f-99ef-6898da02a485","timestamp":"2026-02-11T07:29:09.197Z","sourceToolAssistantUUID":"457c6df7-f74a-4b71-ae8d-36042d3c8522"}
{"parentUuid":"78bb5249-4c14-436f-99ef-6898da02a485","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_01SNyJoqwqWrECFg67XuAU5B","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01ULZd7KL5MH7rayus1Qczog","name":"Read","input":{"file_path":"/home/ccuser/.clawdbot/extensions/voice-call/src/providers/twilio/api.ts"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":0,"cache_creation_input_tokens":264,"cache_read_input_tokens":50962,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":264},"output_tokens":18,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tUAMqjkQZQpcaNBAyd","type":"assistant","uuid":"0ce66efe-7ebd-45cb-9fbd-b635ad65fcd8","timestamp":"2026-02-11T07:29:09.415Z"}
{"parentUuid":"0ce66efe-7ebd-45cb-9fbd-b635ad65fcd8","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"progress","data":{"type":"hook_progress","hookEvent":"PostToolUse","hookName":"PostToolUse:Read","command":"callback"},"parentToolUseID":"toolu_01ULZd7KL5MH7rayus1Qczog","toolUseID":"toolu_01ULZd7KL5MH7rayus1Qczog","timestamp":"2026-02-11T07:29:09.419Z","uuid":"054fca18-fb13-429e-bda1-3677b15ea667"}
{"parentUuid":"0ce66efe-7ebd-45cb-9fbd-b635ad65fcd8","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01ULZd7KL5MH7rayus1Qczog","type":"tool_result","content":"     1→export async function twilioApiRequest<T = unknown>(params: {\n     2→  baseUrl: string;\n     3→  accountSid: string;\n     4→  authToken: string;\n     5→  endpoint: string;\n     6→  body: URLSearchParams | Record<string, string | string[]>;\n     7→  allowNotFound?: boolean;\n     8→}): Promise<T> {\n     9→  const bodyParams =\n    10→    params.body instanceof URLSearchParams\n    11→      ? params.body\n    12→      : Object.entries(params.body).reduce<URLSearchParams>(\n    13→          (acc, [key, value]) => {\n    14→            if (Array.isArray(value)) {\n    15→              for (const entry of value) {\n    16→                acc.append(key, entry);\n    17→              }\n    18→            } else if (typeof value === \"string\") {\n    19→              acc.append(key, value);\n    20→            }\n    21→            return acc;\n    22→          },\n    23→          new URLSearchParams(),\n    24→        );\n    25→\n    26→  const response = await fetch(`${params.baseUrl}${params.endpoint}`, {\n    27→    method: \"POST\",\n    28→    headers: {\n    29→      Authorization: `Basic ${Buffer.from(`${params.accountSid}:${params.authToken}`).toString(\"base64\")}`,\n    30→      \"Content-Type\": \"application/x-www-form-urlencoded\",\n    31→    },\n    32→    body: bodyParams,\n    33→  });\n    34→\n    35→  if (!response.ok) {\n    36→    if (params.allowNotFound && response.status === 404) {\n    37→      return undefined as T;\n    38→    }\n    39→    const errorText = await response.text();\n    40→    throw new Error(`Twilio API error: ${response.status} ${errorText}`);\n    41→  }\n    42→\n    43→  const text = await response.text();\n    44→  return text ? (JSON.parse(text) as T) : (undefined as T);\n    45→}\n    46→\n\n<system-reminder>\nWhenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.\n</system-reminder>\n"}]},"uuid":"c9590b5a-71fc-4de0-8638-3918dc7bce30","timestamp":"2026-02-11T07:29:09.419Z","sourceToolAssistantUUID":"0ce66efe-7ebd-45cb-9fbd-b635ad65fcd8"}
{"parentUuid":"c9590b5a-71fc-4de0-8638-3918dc7bce30","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_01XMWcCZiNqmsLVsEWGRqWZF","type":"message","role":"assistant","content":[{"type":"text","text":"Excellent! Now let me get a quick look at the speak method in manager.ts to see how TTS is applied:"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":1343,"cache_read_input_tokens":51226,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1343},"output_tokens":4,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tUFzB6oQpLgxDqZxKr","type":"assistant","uuid":"e812a308-5e13-404b-baea-7e9eda9cd3ae","timestamp":"2026-02-11T07:29:10.620Z"}
{"parentUuid":"e812a308-5e13-404b-baea-7e9eda9cd3ae","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_01XMWcCZiNqmsLVsEWGRqWZF","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01G5K4xrsxS1SAU32HRc7GVD","name":"Bash","input":{"command":"sed -n '230,320p' /home/ccuser/.clawdbot/extensions/voice-call/src/manager.ts"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":1,"cache_creation_input_tokens":1343,"cache_read_input_tokens":51226,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1343},"output_tokens":4,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tUFzB6oQpLgxDqZxKr","type":"assistant","uuid":"050ab754-6e19-465e-9b86-8dc714ec4d6f","timestamp":"2026-02-11T07:29:11.098Z"}
{"parentUuid":"050ab754-6e19-465e-9b86-8dc714ec4d6f","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01G5K4xrsxS1SAU32HRc7GVD","type":"tool_result","content":"  /**\n   * Speak the initial message for a call (called when media stream connects).\n   * This is used to auto-play the message passed to initiateCall.\n   * In notify mode, auto-hangup after the message is delivered.\n   */\n  async speakInitialMessage(providerCallId: string): Promise<void> {\n    const call = this.getCallByProviderCallId(providerCallId);\n    if (!call) {\n      console.warn(\n        `[voice-call] speakInitialMessage: no call found for ${providerCallId}`,\n      );\n      return;\n    }\n\n    const initialMessage = call.metadata?.initialMessage as string | undefined;\n    const mode = (call.metadata?.mode as CallMode) ?? \"conversation\";\n\n    if (!initialMessage) {\n      console.log(\n        `[voice-call] speakInitialMessage: no initial message for ${call.callId}`,\n      );\n      return;\n    }\n\n    // Clear the initial message so we don't speak it again\n    if (call.metadata) {\n      delete call.metadata.initialMessage;\n      this.persistCallRecord(call);\n    }\n\n    console.log(\n      `[voice-call] Speaking initial message for call ${call.callId} (mode: ${mode})`,\n    );\n    const result = await this.speak(call.callId, initialMessage);\n    if (!result.success) {\n      console.warn(\n        `[voice-call] Failed to speak initial message: ${result.error}`,\n      );\n      return;\n    }\n\n    // In notify mode, auto-hangup after delay\n    if (mode === \"notify\") {\n      const delaySec = this.config.outbound.notifyHangupDelaySec;\n      console.log(\n        `[voice-call] Notify mode: auto-hangup in ${delaySec}s for call ${call.callId}`,\n      );\n      setTimeout(async () => {\n        const currentCall = this.getCall(call.callId);\n        if (currentCall && !TerminalStates.has(currentCall.state)) {\n          console.log(\n            `[voice-call] Notify mode: hanging up call ${call.callId}`,\n          );\n          await this.endCall(call.callId);\n        }\n      }, delaySec * 1000);\n    }\n  }\n\n  /**\n   * Start max duration timer for a call.\n   * Auto-hangup when maxDurationSeconds is reached.\n   */\n  private startMaxDurationTimer(callId: CallId): void {\n    // Clear any existing timer\n    this.clearMaxDurationTimer(callId);\n\n    const maxDurationMs = this.config.maxDurationSeconds * 1000;\n    console.log(\n      `[voice-call] Starting max duration timer (${this.config.maxDurationSeconds}s) for call ${callId}`,\n    );\n\n    const timer = setTimeout(async () => {\n      this.maxDurationTimers.delete(callId);\n      const call = this.getCall(callId);\n      if (call && !TerminalStates.has(call.state)) {\n        console.log(\n          `[voice-call] Max duration reached (${this.config.maxDurationSeconds}s), ending call ${callId}`,\n        );\n        call.endReason = \"timeout\";\n        this.persistCallRecord(call);\n        await this.endCall(callId);\n      }\n    }, maxDurationMs);\n\n    this.maxDurationTimers.set(callId, timer);\n  }\n\n  /**\n   * Clear max duration timer for a call.","is_error":false}]},"uuid":"38be093a-725c-491e-bcb8-72cb5e34b31c","timestamp":"2026-02-11T07:29:11.160Z","sourceToolAssistantUUID":"050ab754-6e19-465e-9b86-8dc714ec4d6f"}
{"parentUuid":"38be093a-725c-491e-bcb8-72cb5e34b31c","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_01NCPWvf6QdbYZWgaigzabct","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_017qYHhxDeHnJGL2mBdcF3iV","name":"Bash","input":{"command":"sed -n '370,500p' /home/ccuser/.clawdbot/extensions/voice-call/src/manager.ts"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":0,"cache_creation_input_tokens":1040,"cache_read_input_tokens":52569,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1040},"output_tokens":26,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tUPUNvzoTyBdQswxkg","type":"assistant","uuid":"96bb773f-bf56-409c-b36b-dea22fd9df80","timestamp":"2026-02-11T07:29:13.251Z"}
{"parentUuid":"96bb773f-bf56-409c-b36b-dea22fd9df80","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_017qYHhxDeHnJGL2mBdcF3iV","type":"tool_result","content":"   */\n  async continueCall(\n    callId: CallId,\n    prompt: string,\n  ): Promise<{ success: boolean; transcript?: string; error?: string }> {\n    const call = this.activeCalls.get(callId);\n    if (!call) {\n      return { success: false, error: \"Call not found\" };\n    }\n\n    if (!this.provider || !call.providerCallId) {\n      return { success: false, error: \"Call not connected\" };\n    }\n\n    if (TerminalStates.has(call.state)) {\n      return { success: false, error: \"Call has ended\" };\n    }\n\n    try {\n      await this.speak(callId, prompt);\n\n      call.state = \"listening\";\n      this.persistCallRecord(call);\n\n      await this.provider.startListening({\n        callId,\n        providerCallId: call.providerCallId,\n      });\n\n      const transcript = await this.waitForFinalTranscript(callId);\n\n      // Best-effort: stop listening after final transcript.\n      await this.provider.stopListening({\n        callId,\n        providerCallId: call.providerCallId,\n      });\n\n      return { success: true, transcript };\n    } catch (err) {\n      return {\n        success: false,\n        error: err instanceof Error ? err.message : String(err),\n      };\n    } finally {\n      this.clearTranscriptWaiter(callId);\n    }\n  }\n\n  /**\n   * End an active call.\n   */\n  async endCall(callId: CallId): Promise<{ success: boolean; error?: string }> {\n    const call = this.activeCalls.get(callId);\n    if (!call) {\n      return { success: false, error: \"Call not found\" };\n    }\n\n    if (!this.provider || !call.providerCallId) {\n      return { success: false, error: \"Call not connected\" };\n    }\n\n    if (TerminalStates.has(call.state)) {\n      return { success: true }; // Already ended\n    }\n\n    try {\n      await this.provider.hangupCall({\n        callId,\n        providerCallId: call.providerCallId,\n        reason: \"hangup-bot\",\n      });\n\n      call.state = \"hangup-bot\";\n      call.endedAt = Date.now();\n      call.endReason = \"hangup-bot\";\n      this.persistCallRecord(call);\n      this.clearMaxDurationTimer(callId);\n      this.rejectTranscriptWaiter(callId, \"Call ended: hangup-bot\");\n      this.activeCalls.delete(callId);\n      if (call.providerCallId) {\n        this.providerCallIdMap.delete(call.providerCallId);\n      }\n\n      return { success: true };\n    } catch (err) {\n      return {\n        success: false,\n        error: err instanceof Error ? err.message : String(err),\n      };\n    }\n  }\n\n  /**\n   * Check if an inbound call should be accepted based on policy.\n   */\n  private shouldAcceptInbound(from: string | undefined): boolean {\n    const { inboundPolicy: policy, allowFrom } = this.config;\n\n    switch (policy) {\n      case \"disabled\":\n        console.log(\"[voice-call] Inbound call rejected: policy is disabled\");\n        return false;\n\n      case \"open\":\n        console.log(\"[voice-call] Inbound call accepted: policy is open\");\n        return true;\n\n      case \"allowlist\":\n      case \"pairing\": {\n        const normalized = from?.replace(/\\D/g, \"\") || \"\";\n        const allowed = (allowFrom || []).some((num) => {\n          const normalizedAllow = num.replace(/\\D/g, \"\");\n          return (\n            normalized.endsWith(normalizedAllow) ||\n            normalizedAllow.endsWith(normalized)\n          );\n        });\n        const status = allowed ? \"accepted\" : \"rejected\";\n        console.log(\n          `[voice-call] Inbound call ${status}: ${from} ${allowed ? \"is in\" : \"not in\"} allowlist`,\n        );\n        return allowed;\n      }\n\n      default:\n        return false;\n    }\n  }\n\n  /**\n   * Create a call record for an inbound call.","is_error":false}]},"uuid":"cb7755a3-7cb2-4955-bcd5-213e378ac569","timestamp":"2026-02-11T07:29:13.291Z","sourceToolAssistantUUID":"96bb773f-bf56-409c-b36b-dea22fd9df80"}
{"parentUuid":"cb7755a3-7cb2-4955-bcd5-213e378ac569","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_01BRD4Cru7g7ULhpXobdZmrK","type":"message","role":"assistant","content":[{"type":"text","text":"Now let me find the speak method:"}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":0,"cache_creation_input_tokens":1198,"cache_read_input_tokens":53609,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1198},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tUYZKcdPSwybGc6czW","type":"assistant","uuid":"98e596d4-1aa4-4ee0-95b1-2a9c2fb4a732","timestamp":"2026-02-11T07:29:14.229Z"}
{"parentUuid":"98e596d4-1aa4-4ee0-95b1-2a9c2fb4a732","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_01BRD4Cru7g7ULhpXobdZmrK","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_012hNWLqjVKe8eTekVinLhVg","name":"Bash","input":{"command":"sed -n '320,370p' /home/ccuser/.clawdbot/extensions/voice-call/src/manager.ts"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":0,"cache_creation_input_tokens":1198,"cache_read_input_tokens":53609,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":1198},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tUYZKcdPSwybGc6czW","type":"assistant","uuid":"bde560d2-f621-4e7a-babb-bdb293455ba0","timestamp":"2026-02-11T07:29:14.691Z"}
{"parentUuid":"bde560d2-f621-4e7a-babb-bdb293455ba0","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_012hNWLqjVKe8eTekVinLhVg","type":"tool_result","content":"   * Clear max duration timer for a call.\n   */\n  private clearMaxDurationTimer(callId: CallId): void {\n    const timer = this.maxDurationTimers.get(callId);\n    if (timer) {\n      clearTimeout(timer);\n      this.maxDurationTimers.delete(callId);\n    }\n  }\n\n  private clearTranscriptWaiter(callId: CallId): void {\n    const waiter = this.transcriptWaiters.get(callId);\n    if (!waiter) return;\n    clearTimeout(waiter.timeout);\n    this.transcriptWaiters.delete(callId);\n  }\n\n  private rejectTranscriptWaiter(callId: CallId, reason: string): void {\n    const waiter = this.transcriptWaiters.get(callId);\n    if (!waiter) return;\n    this.clearTranscriptWaiter(callId);\n    waiter.reject(new Error(reason));\n  }\n\n  private resolveTranscriptWaiter(callId: CallId, transcript: string): void {\n    const waiter = this.transcriptWaiters.get(callId);\n    if (!waiter) return;\n    this.clearTranscriptWaiter(callId);\n    waiter.resolve(transcript);\n  }\n\n  private waitForFinalTranscript(callId: CallId): Promise<string> {\n    // Only allow one in-flight waiter per call.\n    this.rejectTranscriptWaiter(callId, \"Transcript waiter replaced\");\n\n    const timeoutMs = this.config.transcriptTimeoutMs;\n    return new Promise((resolve, reject) => {\n      const timeout = setTimeout(() => {\n        this.transcriptWaiters.delete(callId);\n        reject(\n          new Error(`Timed out waiting for transcript after ${timeoutMs}ms`),\n        );\n      }, timeoutMs);\n\n      this.transcriptWaiters.set(callId, { resolve, reject, timeout });\n    });\n  }\n\n  /**\n   * Continue call: speak prompt, then wait for user's final transcript.\n   */","is_error":false}]},"uuid":"b330ec57-07b4-42ad-8621-844b61d2a185","timestamp":"2026-02-11T07:29:14.731Z","sourceToolAssistantUUID":"bde560d2-f621-4e7a-babb-bdb293455ba0"}
{"parentUuid":"b330ec57-07b4-42ad-8621-844b61d2a185","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_017EEcaY5iLyiBUbhUu87cTv","type":"message","role":"assistant","content":[{"type":"tool_use","id":"toolu_01WwKNBLcfBNjb4H8TujVG4E","name":"Bash","input":{"command":"sed -n '160,230p' /home/ccuser/.clawdbot/extensions/voice-call/src/manager.ts"}}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":0,"cache_creation_input_tokens":654,"cache_read_input_tokens":54807,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":654},"output_tokens":25,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tUeewTDMPzD2TkVm9M","type":"assistant","uuid":"0f20ce42-1cee-4c00-b858-3f0bf823a14d","timestamp":"2026-02-11T07:29:16.107Z"}
{"parentUuid":"0f20ce42-1cee-4c00-b858-3f0bf823a14d","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","type":"user","message":{"role":"user","content":[{"tool_use_id":"toolu_01WwKNBLcfBNjb4H8TujVG4E","type":"tool_result","content":"      callRecord.providerCallId = result.providerCallId;\n      this.providerCallIdMap.set(result.providerCallId, callId); // Map providerCallId to internal callId\n      this.persistCallRecord(callRecord);\n\n      return { callId, success: true };\n    } catch (err) {\n      callRecord.state = \"failed\";\n      callRecord.endedAt = Date.now();\n      callRecord.endReason = \"failed\";\n      this.persistCallRecord(callRecord);\n      this.activeCalls.delete(callId);\n      if (callRecord.providerCallId) {\n        this.providerCallIdMap.delete(callRecord.providerCallId);\n      }\n\n      return {\n        callId,\n        success: false,\n        error: err instanceof Error ? err.message : String(err),\n      };\n    }\n  }\n\n  /**\n   * Speak to user in an active call.\n   */\n  async speak(\n    callId: CallId,\n    text: string,\n  ): Promise<{ success: boolean; error?: string }> {\n    const call = this.activeCalls.get(callId);\n    if (!call) {\n      return { success: false, error: \"Call not found\" };\n    }\n\n    if (!this.provider || !call.providerCallId) {\n      return { success: false, error: \"Call not connected\" };\n    }\n\n    if (TerminalStates.has(call.state)) {\n      return { success: false, error: \"Call has ended\" };\n    }\n\n    try {\n      // Update state\n      call.state = \"speaking\";\n      this.persistCallRecord(call);\n\n      // Add to transcript\n      this.addTranscriptEntry(call, \"bot\", text);\n\n      // Play TTS\n      const voice =\n        this.provider?.name === \"twilio\" ? this.config.tts?.openai?.voice : undefined;\n      await this.provider.playTts({\n        callId,\n        providerCallId: call.providerCallId,\n        text,\n        voice,\n      });\n\n      return { success: true };\n    } catch (err) {\n      return {\n        success: false,\n        error: err instanceof Error ? err.message : String(err),\n      };\n    }\n  }","is_error":false}]},"uuid":"65a893a6-3862-40b2-b8ff-c020c0d79a59","timestamp":"2026-02-11T07:29:16.153Z","sourceToolAssistantUUID":"0f20ce42-1cee-4c00-b858-3f0bf823a14d"}
{"parentUuid":"65a893a6-3862-40b2-b8ff-c020c0d79a59","isSidechain":true,"userType":"external","cwd":"/home/ccuser/rateright-growth/voice-assistant","sessionId":"f9766858-0c29-49fd-bcbd-02fd026234f6","version":"2.1.37","gitBranch":"HEAD","agentId":"a5d3202","slug":"graceful-gathering-floyd","message":{"model":"claude-haiku-4-5-20251001","id":"msg_01PiZY5mpLY9TbWMeiGRcrso","type":"message","role":"assistant","content":[{"type":"text","text":"Perfect! Now I have all the information needed. Let me compile a comprehensive report.\n\n## Voice-Call Plugin Source Code Analysis\n\nI've thoroughly reviewed the voice-call plugin at `/home/ccuser/.clawdbot/extensions/voice-call/`. Here are the detailed findings for your questions:\n\n---\n\n## 1. Webhook Request Handling\n\n**File:** `/home/ccuser/.clawdbot/extensions/voice-call/src/webhook.ts` (lines 224-295)\n\nThe webhook handler is implemented in the `VoiceCallWebhookServer` class:\n\n```typescript\nprivate async handleRequest(\n  req: http.IncomingMessage,\n  res: http.ServerResponse,\n  webhookPath: string,\n): Promise<void> {\n  const url = new URL(req.url || \"/\", `http://${req.headers.host}`);\n\n  // Check path\n  if (!url.pathname.startsWith(webhookPath)) {\n    res.statusCode = 404;\n    res.end(\"Not Found\");\n    return;\n  }\n\n  // Only accept POST\n  if (req.method !== \"POST\") {\n    res.statusCode = 405;\n    res.end(\"Method Not Allowed\");\n    return;\n  }\n\n  // Read body\n  const body = await this.readBody(req);\n\n  // Build webhook context\n  const ctx: WebhookContext = {\n    headers: req.headers as Record<string, string | string[] | undefined>,\n    rawBody: body,\n    url: `http://${req.headers.host}${req.url}`,\n    method: \"POST\",\n    query: Object.fromEntries(url.searchParams),\n  };\n\n  // Verify signature\n  const verification = this.provider.verifyWebhook(ctx);\n  if (!verification.ok) {\n    console.warn(\n      `[voice-call] Webhook verification failed: ${verification.reason}`,\n    );\n    res.statusCode = 401;\n    res.end(\"Unauthorized\");\n    return;\n  }\n\n  // Parse events\n  const result = this.provider.parseWebhookEvent(ctx);\n\n  // Process each event\n  for (const event of result.events) {\n    try {\n      this.manager.processEvent(event);\n    } catch (err) {\n      console.error(\n        `[voice-call] Error processing event ${event.type}:`,\n        err,\n      );\n    }\n  }\n\n  // Send response\n  res.statusCode = result.statusCode || 200;\n\n  if (result.providerResponseHeaders) {\n    for (const [key, value] of Object.entries(\n      result.providerResponseHeaders,\n    )) {\n      res.setHeader(key, value);\n    }\n  }\n\n  res.end(result.providerResponseBody || \"OK\");\n}\n```\n\n---\n\n## 2. TwiML Response Generation\n\n**File:** `/home/ccuser/.clawdbot/extensions/voice-call/src/providers/twilio.ts` (lines 287-402)\n\nThe provider generates different TwiML responses based on call state and mode:\n\n### Notify Mode TwiML (inline Say + Hangup):\n**File:** `/home/ccuser/.clawdbot/extensions/voice-call/src/manager.ts` (lines 869-873)\n\n```typescript\nprivate generateNotifyTwiml(message: string, voice: string): string {\n  return `<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<Response>\n  <Say voice=\"${voice}\">${escapeXml(message)}</Say>\n  <Hangup/>\n</Response>`;\n}\n```\n\n### Streaming TwiML (Connect + Stream):\n**File:** `/home/ccuser/.clawdbot/extensions/voice-call/src/providers/twilio.ts` (lines 395-401)\n\n```typescript\ngetStreamConnectXml(streamUrl: string): string {\n  return `<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<Response>\n  <Connect>\n    <Stream url=\"${escapeXml(streamUrl)}\" />\n  </Connect>\n</Response>`;\n}\n```\n\n### Main Response Generator Logic:\n**File:** `/home/ccuser/.clawdbot/extensions/voice-call/src/providers/twilio.ts` (lines 299-361)\n\n```typescript\nprivate generateTwimlResponse(ctx?: WebhookContext): string {\n  if (!ctx) return TwilioProvider.EMPTY_TWIML;\n\n  const params = new URLSearchParams(ctx.rawBody);\n  const type =\n    typeof ctx.query?.type === \"string\" ? ctx.query.type.trim() : undefined;\n  const isStatusCallback = type === \"status\";\n  const callStatus = params.get(\"CallStatus\");\n  const direction = params.get(\"Direction\");\n  const isOutbound = direction?.startsWith(\"outbound\") ?? false;\n  const callIdFromQuery =\n    typeof ctx.query?.callId === \"string\" && ctx.query.callId.trim()\n      ? ctx.query.callId.trim()\n      : undefined;\n\n  // Handle initial TwiML request (when Twilio first initiates the call)\n  // Check if we have stored TwiML for this call (notify mode)\n  if (callIdFromQuery && !isStatusCallback) {\n    const storedTwiml = this.twimlStorage.get(callIdFromQuery);\n    if (storedTwiml) {\n      // Clean up after serving (one-time use)\n      this.deleteStoredTwiml(callIdFromQuery);\n      return storedTwiml;\n    }\n    if (this.notifyCalls.has(callIdFromQuery)) {\n      return TwilioProvider.EMPTY_TWIML;\n    }\n\n    // Conversation mode: return streaming TwiML immediately for outbound calls.\n    if (isOutbound) {\n      const streamUrl = this.getStreamUrl();\n      return streamUrl\n        ? this.getStreamConnectXml(streamUrl)\n        : TwilioProvider.PAUSE_TWIML;\n    }\n  }\n\n  // Status callbacks should not receive TwiML.\n  if (isStatusCallback) {\n    return TwilioProvider.EMPTY_TWIML;\n  }\n\n  // Handle subsequent webhook requests (status callbacks, etc.)\n  // For inbound calls, answer immediately with stream\n  if (direction === \"inbound\") {\n    const streamUrl = this.getStreamUrl();\n    return streamUrl\n      ? this.getStreamConnectXml(streamUrl)\n      : TwilioProvider.PAUSE_TWIML;\n  }\n\n  // For outbound calls, only connect to stream when call is in-progress\n  if (callStatus !== \"in-progress\") {\n    return TwilioProvider.EMPTY_TWIML;\n  }\n\n  const streamUrl = this.getStreamUrl();\n  return streamUrl\n    ? this.getStreamConnectXml(streamUrl)\n    : TwilioProvider.PAUSE_TWIML;\n}\n```\n\n---\n\n## 3. Twilio Signature Verification\n\n**File:** `/home/ccuser/.clawdbot/extensions/voice-call/src/webhook-security.ts` (lines 13-43, 74-118, 152-216)\n\n### Core Signature Validation:\n```typescript\nexport function validateTwilioSignature(\n  authToken: string,\n  signature: string | undefined,\n  url: string,\n  params: URLSearchParams,\n): boolean {\n  if (!signature) {\n    return false;\n  }\n\n  // Build the string to sign: URL + sorted params (key+value pairs)\n  let dataToSign = url;\n\n  // Sort params alphabetically and append key+value\n  const sortedParams = Array.from(params.entries()).sort((a, b) =>\n    a[0] < b[0] ? -1 : a[0] > b[0] ? 1 : 0,\n  );\n\n  for (const [key, value] of sortedParams) {\n    dataToSign += key + value;\n  }\n\n  // HMAC-SHA1 with auth token, then base64 encode\n  const expectedSignature = crypto\n    .createHmac(\"sha1\", authToken)\n    .update(dataToSign)\n    .digest(\"base64\");\n\n  // Use timing-safe comparison to prevent timing attacks\n  return timingSafeEqual(signature, expectedSignature);\n}\n```\n\n### **Critical: URL Validation for Signature**\n\nThe signature is validated against **reconstructed URLs with special proxy handling** (lines 74-118):\n\n```typescript\nexport function reconstructWebhookUrl(ctx: WebhookContext): string {\n  const { headers } = ctx;\n\n  const proto = getHeader(headers, \"x-forwarded-proto\") || \"https\";\n\n  const forwardedHost =\n    getHeader(headers, \"x-forwarded-host\") ||\n    getHeader(headers, \"x-original-host\") ||\n    getHeader(headers, \"ngrok-forwarded-host\") ||\n    getHeader(headers, \"host\") ||\n    \"\";\n\n  // Extract path from the context URL (fallback to \"/\" on parse failure)\n  let path = \"/\";\n  try {\n    const parsed = new URL(ctx.url);\n    path = parsed.pathname + parsed.search;\n  } catch {\n    // URL parsing failed\n  }\n\n  // Remove port from host (ngrok URLs don't have ports)\n  const host = forwardedHost.split(\":\")[0] || forwardedHost;\n\n  return `${proto}://${host}${path}`;\n}\n\nfunction buildTwilioVerificationUrl(\n  ctx: WebhookContext,\n  publicUrl?: string,\n): string {\n  if (!publicUrl) {\n    return reconstructWebhookUrl(ctx);\n  }\n\n  try {\n    const base = new URL(publicUrl);\n    const requestUrl = new URL(ctx.url);\n    base.pathname = requestUrl.pathname;\n    base.search = requestUrl.search;\n    return base.toString();\n  } catch {\n    return publicUrl;\n  }\n}\n```\n\n**Key points:**\n- Validates against **reconstructed public URL** (not the local request URL)\n- Priority order: `X-Forwarded-Proto` + `X-Forwarded-Host` > `X-Original-Host` > `Ngrok-Forwarded-Host` > `Host` header\n- If `publicUrl` is configured in settings, it uses that as the origin but keeps the pathname/search from the actual request\n- Timing-safe comparison prevents timing attacks\n\n**Full verification function** (lines 152-216):\n```typescript\nexport function verifyTwilioWebhook(\n  ctx: WebhookContext,\n  authToken: string,\n  options?: {\n    publicUrl?: string;\n    allowNgrokFreeTier?: boolean;\n    skipVerification?: boolean;\n  },\n): TwilioVerificationResult {\n  // Allow skipping verification for development/testing\n  if (options?.skipVerification) {\n    return { ok: true, reason: \"verification skipped (dev mode)\" };\n  }\n\n  const signature = getHeader(ctx.headers, \"x-twilio-signature\");\n\n  if (!signature) {\n    return { ok: false, reason: \"Missing X-Twilio-Signature header\" };\n  }\n\n  // Reconstruct the URL Twilio used\n  const verificationUrl = buildTwilioVerificationUrl(ctx, options?.publicUrl);\n\n  // Parse the body as URL-encoded params\n  const params = new URLSearchParams(ctx.rawBody);\n\n  // Validate signature\n  const isValid = validateTwilioSignature(\n    authToken,\n    signature,\n    verificationUrl,\n    params,\n  );\n\n  if (isValid) {\n    return { ok: true, verificationUrl };\n  }\n\n  // Check if this is ngrok free tier - the URL might have different format\n  const isNgrokFreeTier =\n    verificationUrl.includes(\".ngrok-free.app\") ||\n    verificationUrl.includes(\".ngrok.io\");\n\n  if (isNgrokFreeTier && options?.allowNgrokFreeTier) {\n    console.warn(\n      \"[voice-call] Twilio signature validation failed (proceeding for ngrok free tier compatibility)\",\n    );\n    return {\n      ok: true,\n      reason: \"ngrok free tier compatibility mode\",\n      verificationUrl,\n      isNgrokFreeTier: true,\n    };\n  }\n\n  return {\n    ok: false,\n    reason: `Invalid signature for URL: ${verificationUrl}`,\n    verificationUrl,\n    isNgrokFreeTier,\n  };\n}\n```\n\n---\n\n## 4. Media Streaming Implementation\n\n**File:** `/home/ccuser/.clawdbot/extensions/voice-call/src/media-stream.ts`\n\n### Initialization:\n**File:** `/home/ccuser/.clawdbot/extensions/voice-call/src/webhook.ts` (lines 56-155)\n\n```typescript\nprivate initializeMediaStreaming(): void {\n  const apiKey =\n    this.config.streaming?.openaiApiKey || process.env.OPENAI_API_KEY;\n\n  if (!apiKey) {\n    console.warn(\n      \"[voice-call] Streaming enabled but no OpenAI API key found\",\n    );\n    return;\n  }\n\n  const sttProvider = new OpenAIRealtimeSTTProvider({\n    apiKey,\n    model: this.config.streaming?.sttModel,\n    silenceDurationMs: this.config.streaming?.silenceDurationMs,\n    vadThreshold: this.config.streaming?.vadThreshold,\n  });\n\n  const streamConfig: MediaStreamConfig = {\n    sttProvider,\n    onTranscript: (providerCallId, transcript) => {\n      console.log(\n        `[voice-call] Transcript for ${providerCallId}: ${transcript}`,\n      );\n\n      // Clear TTS queue on barge-in (user started speaking, interrupt current playback)\n      if (this.provider.name === \"twilio\") {\n        (this.provider as TwilioProvider).clearTtsQueue(providerCallId);\n      }\n\n      // Look up our internal call ID from the provider call ID\n      const call = this.manager.getCallByProviderCallId(providerCallId);\n      if (!call) {\n        console.warn(\n          `[voice-call] No active call found for provider ID: ${providerCallId}`,\n        );\n        return;\n      }\n\n      // Create a speech event and process it through the manager\n      const event: NormalizedEvent = {\n        id: `stream-transcript-${Date.now()}`,\n        type: \"call.speech\",\n        callId: call.callId,\n        providerCallId,\n        timestamp: Date.now(),\n        transcript,\n        isFinal: true,\n      };\n      this.manager.processEvent(event);\n\n      // Auto-respond in conversation mode\n      const callMode = call.metadata?.mode as string | undefined;\n      const shouldRespond =\n        call.direction === \"inbound\" || callMode === \"conversation\";\n      if (shouldRespond) {\n        this.handleInboundResponse(call.callId, transcript).catch((err) => {\n          console.warn(`[voice-call] Failed to auto-respond:`, err);\n        });\n      }\n    },\n    // ... other callbacks for speech start, partial transcripts, etc.\n  };\n\n  this.mediaStreamHandler = new MediaStreamHandler(streamConfig);\n}\n```\n\n### WebSocket Connection:\n**File:** `/home/ccuser/.clawdbot/extensions/voice-call/src/webhook.ts` (lines 173-188)\n\n```typescript\n// Handle WebSocket upgrades for media streams\nif (this.mediaStreamHandler) {\n  this.server.on(\"upgrade\", (request, socket, head) => {\n    const url = new URL(\n      request.url || \"/\",\n      `http://${request.headers.host}`,\n    );\n\n    if (url.pathname === streamPath) {\n      console.log(\"[voice-call] WebSocket upgrade for media stream\");\n      this.mediaStreamHandler?.handleUpgrade(request, socket, head);\n    } else {\n      socket.destroy();\n    }\n  });\n}\n```\n\n### TTS Streaming via Media Stream:\n**File:** `/home/ccuser/.clawdbot/extensions/voice-call/src/providers/twilio.ts` (lines 520-551)\n\n```typescript\nprivate async playTtsViaStream(\n  text: string,\n  streamSid: string,\n): Promise<void> {\n  if (!this.ttsProvider || !this.mediaStreamHandler) {\n    throw new Error(\"TTS provider and media stream handler required\");\n  }\n\n  // Stream audio in 20ms chunks (160 bytes at 8kHz mu-law)\n  const CHUNK_SIZE = 160;\n  const CHUNK_DELAY_MS = 20;\n\n  const handler = this.mediaStreamHandler;\n  const ttsProvider = this.ttsProvider;\n  await handler.queueTts(streamSid, async (signal) => {\n    // Generate audio with core TTS (returns mu-law at 8kHz)\n    const muLawAudio = await ttsProvider.synthesizeForTelephony(text);\n    for (const chunk of chunkAudio(muLawAudio, CHUNK_SIZE)) {\n      if (signal.aborted) break;\n      handler.sendAudio(streamSid, chunk);\n\n      // Pace the audio to match real-time playback\n      await new Promise((resolve) => setTimeout(resolve, CHUNK_DELAY_MS));\n      if (signal.aborted) break;\n    }\n\n    if (!signal.aborted) {\n      // Send a mark to track when audio finishes\n      handler.sendMark(streamSid, `tts-${Date.now()}`);\n    }\n  });\n}\n```\n\n### Barge-in (Interrupt) Handling:\n**File:** `/home/ccuser/.clawdbot/extensions/voice-call/src/providers/twilio.ts` (lines 142-147)\n\n```typescript\nclearTtsQueue(callSid: string): void {\n  const streamSid = this.callStreamMap.get(callSid);\n  if (streamSid && this.mediaStreamHandler) {\n    this.mediaStreamHandler.clearTtsQueue(streamSid);\n  }\n}\n```\n\nWhen user speech is detected during streaming, the TTS queue is cleared to allow natural conversation flow.\n\n---\n\n## 5. TTS Application (ElevenLabs vs Say Fallback)\n\n**File:** `/home/ccuser/.clawdbot/extensions/voice-call/src/providers/twilio.ts` (lines 473-513)\n\n### Dual-Mode TTS Strategy:\n\n```typescript\nasync playTts(input: PlayTtsInput): Promise<void> {\n  // Try telephony TTS via media stream first (if configured)\n  const streamSid = this.callStreamMap.get(input.providerCallId);\n  if (this.ttsProvider && this.mediaStreamHandler && streamSid) {\n    try {\n      await this.playTtsViaStream(input.text, streamSid);\n      return;\n    } catch (err) {\n      console.warn(\n        `[voice-call] Telephony TTS failed, falling back to Twilio <Say>:`,\n        err instanceof Error ? err.message : err,\n      );\n      // Fall through to TwiML <Say> fallback\n    }\n  }\n\n  // Fall back to TwiML <Say> (may not work on all accounts)\n  const webhookUrl = this.callWebhookUrls.get(input.providerCallId);\n  if (!webhookUrl) {\n    throw new Error(\n      \"Missing webhook URL for this call (provider state not initialized)\",\n    );\n  }\n\n  console.warn(\n    \"[voice-call] Using TwiML <Say> fallback - telephony TTS not configured or media stream not active\",\n  );\n\n  const pollyVoice = mapVoiceToPolly(input.voice);\n  const twiml = `<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<Response>\n  <Say voice=\"${pollyVoice}\" language=\"${input.locale || \"en-US\"}\">${escapeXml(input.text)}</Say>\n  <Gather input=\"speech\" speechTimeout=\"auto\" action=\"${escapeXml(webhookUrl)}\" method=\"POST\">\n    <Say>.</Say>\n  </Gather>\n</Response>`;\n\n  await this.apiRequest(`/Calls/${input.providerCallId}.json`, {\n    Twiml: twiml,\n  });\n}\n```\n\n### TTS Provider Configuration:\n**File:** `/home/ccuser/.clawdbot/extensions/voice-call/src/telephony-tts.ts` (lines 23-45)\n\n```typescript\nexport function createTelephonyTtsProvider(params: {\n  coreConfig: CoreConfig;\n  ttsOverride?: VoiceCallTtsConfig;\n  runtime: TelephonyTtsRuntime;\n}): TelephonyTtsProvider {\n  const { coreConfig, ttsOverride, runtime } = params;\n  const mergedConfig = applyTtsOverride(coreConfig, ttsOverride);\n\n  return {\n    synthesizeForTelephony: async (text: string) => {\n      const result = await runtime.textToSpeechTelephony({\n        text,\n        cfg: mergedConfig,\n      });\n\n      if (!result.success || !result.audioBuffer || !result.sampleRate) {\n        throw new Error(result.error ?? \"TTS conversion failed\");\n      }\n\n      return convertPcmToMulaw8k(result.audioBuffer, result.sampleRate);\n    },\n  };\n}\n```\n\n**Key points:**\n1. **Primary path:** Uses core TTS provider (which can be ElevenLabs, OpenAI TTS, or other providers from the core system)\n2. **Configuration merge:** The voice-call plugin's TTS config overrides/deep-merges with the core system's TTS config\n3. **Audio conversion:** Audio is converted from PCM to mu-law 8kHz format for Twilio streaming\n4. **Fallback:** If streaming TTS fails or is not configured, falls back to Twilio's native `<Say>` element with Polly voices\n5. **Voice mapping:** OpenAI voice names are mapped to Polly voice names for the fallback\n\n### Voice Mapping:\n**File:** `/home/ccuser/.clawdbot/extensions/voice-call/src/voice-mapping.ts`\n\nThis maps voice IDs to Polly voice names for the TwiML fallback.\n\n---\n\n## Summary Table\n\n| Component | Details |\n|-----------|---------|\n| **Webhook Path** | Configurable via `serve.path` (default/standard) |\n| **HTTP Method** | POST only |\n| **Signature Verification** | HMAC-SHA1 with `X-Twilio-Signature` header |\n| **URL for Verification** | Reconstructed from proxy headers (X-Forwarded-Proto, X-Forwarded-Host) or `publicUrl` config |\n| **Initial TwiML** | Stored in memory if notify mode; otherwise returns `<Connect><Stream>` for streaming |\n| **Media Streaming** | WebSocket upgrade on `/voice/stream` (configurable) |\n| **STT Provider** | OpenAI Realtime for streaming calls |\n| **TTS Priority** | 1. Core TTS (ElevenLabs/OpenAI) via media stream 2. Fallback to `<Say>` with Polly voices |\n| **Audio Format** | mu-law 8kHz mono for streaming |\n| **Barge-in Support** | Yes - clears TTS queue when user starts speaking |\n\nAll paths are absolute as requested. The architecture supports both simple notify-mode calls (with inline `<Say>` TwiML) and advanced streaming conversations with bidirectional audio, intelligent TTS fallback, and speech interruption handling."}],"stop_reason":null,"stop_sequence":null,"usage":{"input_tokens":0,"cache_creation_input_tokens":794,"cache_read_input_tokens":55461,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":794},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available"}},"requestId":"req_011CY1tUkkYreYvoqp76ybqC","type":"assistant","uuid":"30422969-01f3-47dc-a6c1-0821e4f78ae0","timestamp":"2026-02-11T07:30:00.541Z"}