--- session_id: 09c7347d-6f88-4d4e-8a0d-ca8a3d022ddf job_no: 2627 date: 2026-05-08 purpose: BCS pre-flight envelope (clean restart after path-A recovery from session d58cec3f-... ABORTED-BREACH). Path exclusions, methodology quarantine, inbound whitelist, sealed-reasoning placeholder, REVEAL gate. authored_by: claude-code-orchestrator NOT_FOR_EXTERNAL_DISTRIBUTION: true visibility: orchestrator-only (worker does NOT read _Internal/audit-trail/ — names herein are quarantine-contract definitions, not worker-input) sanitisation: NOT_REQUIRED (internal-only artefact) append_only: true predecessor_session: d58cec3f-9794-4dbf-8976-47b8c893eaab (ABORTED-BREACH at 2026-05-08T08:15:39Z; worker-readable leak of 6 strip-required items in 00-brief.md) recovery_path: A (clean restart per Rocky 2026-05-08T08:19Z; worker-readable files swept; new session_id; new orch-msg block msg-index=2) --- # BCS pre-flight envelope — 2627 (clean restart, session 09c7347d) ## Sub-phase 1 — Pre-flight ### Comparator (orchestrator-only — never written into worker-readable material) - **Internal handle:** Comparator-A - **Comparator artefact path (excluded from worker):** `C:\Users\mclou\lfcs-inbound-artefacts\2627\` - **Comparator size:** 4 pages, ~270 KB - **Comparator authored:** May 2025 (date held internal; not written into worker material) ### Path exclusions (worker MUST NOT read) - Any inbound-folder PDF that is NOT one of the two whitelisted design documents (STR25020*.pdf, P171342*.pdf) - Filename patterns to refuse: `*2627*quote*`, `*2627*price*`, `*2627*_v-CW*`, `*2627*_v-CC-blind*`, `*Quote*Airey*`, `*Airey*FRP*` - Friend-vault: read-only globally per CLAUDE.md §3.1; nothing 2627-specific known to exist there yet, but blanket exclusion stands ### Inbound whitelist (worker reads freely) - `C:\Users\mclou\lfcs-inbound-artefacts\2627\STR25020 - 2025.12.01.pdf` — Capital Engineering Consultants structural drawings rev D - `C:\Users\mclou\lfcs-inbound-artefacts\2627\P171342 -SP-001-0 (Pavement).pdf` — Stellen Consulting pavement specification rev 0 ### Methodology quarantine - **Narrow:** none. Comparator-A pre-dates the methodology Airtable; zero rows to quarantine narrowly. - **Broad (deferred):** rows tagged with comparator-author-handle from unrelated jobs exist for 2629 etc. Default = narrow only. - **Decision applied:** narrow quarantine. ### Sibling folders ignored - None. ### Worker-readable file sweep — verified clean of all 6 strip-required items Files swept after session d58cec3f-... ABORTED-BREACH at 2026-05-08T08:19:54Z: 1. `Operations/Jobs/Upcoming/2627 - Airey Park Homebush West/CLAUDE.md` — comparator name + total + scope-split + design-supersession all stripped; only generic "comparator path-excluded" + filename-pattern refuse-list remain 2. `Operations/Jobs/Upcoming/2627 - Airey Park Homebush West/00-brief.md` — comparator section rewritten; no name, total, scope-split, or design-supersession reference 3. `_Internal/exclusions/exclusions-2627.md` — overrides table "supersedes prior 25 MPa indication" comment stripped; only "32 MPa per drawings rev D" remains 4. `_Internal/assumptions-log-2627.md` row 9 — "Liam-25-MPa-for-125mm" reference stripped; only "32 MPa per drawings rev D" cited 5. `_Internal/quarantined/blind-comparator-2627-liam-quote.md` — renamed to `blind-comparator-2627-A.md`; body rewritten with generic "Comparator-A" handle (note: worker does NOT read this folder per pricer CLAUDE.md §4 read order) orch-to-pricer.md msg-index=1 (leaky) is left in place per append-only contract, with msg-index=2 (clean) prepending an explicit "IGNORE msg-index=1 — superseded by BCS-breach restart" header. State.json `last_pricer_seen_orch_input_index=1` will also be set so worker skips msg-index=1. ## Sub-phase 2 — Blind period contract During Phases 2–4, every prompt drafted by `lfo-prompt-pricing` MUST: - Strip any reference to the comparator's author name, document title, total, scope-split, productivity rate, or design assumption - Refuse path-traversal into the comparator PDF or any path matching the refuse-list above - Refuse to reference any methodology row, exclusion wording, or scope split that came from the comparator Worker output similarly filtered before relay back to orchestrator. If breach detected mid-session: IMMEDIATELY abort the BCS: - Mark this audit-trail file `status: ABORTED-BREACH` (append section) - Do NOT write corrections, do NOT unquarantine - Notify Rocky - Re-run requires fresh session_id + Rocky-confirmed clean window ## Sub-phase 3 — Seal (placeholder; populated after Phase 3 first-pass + Phase 4 sanity-check) | Field | Value | |---|---| | pre_comparison_sealed_reasoning | (TBD after Phase 4) | | Phase 0 grill answers | (TBD) | | Productivity adjustments applied | (TBD) | | Complexity tags applied | (TBD) | | Exclusions invoked | (TBD — see `_Internal/exclusions/exclusions-2627.md`) | | Total ex GST direct | (TBD) | | Total ex GST loaded (×1.3225) | (TBD — note the 15%-cont override) | | BCS phase | active-blind | | sealed_at | (TBD) | ## Sub-phase 4 — Reveal gate **Status:** awaiting Rocky-typed `REVEAL`. No automatic reveal. Rocky must type `REVEAL` in the lfo terminal (case-insensitive accepted; typo not). ## Sub-phase 5 — Unquarantine (placeholder) Only after Rocky-confirmed corrections written + accepted: - Worker clears `_internal_quarantined_for_session_id` field on previously-quarantined methodology rows (n/a here — none quarantined narrowly) - Set `unquarantined_at` timestamp - Write `_Brain/blind-comparison-2627-2026-05-XX.md` with side-by-side comparison + per-line variance + patterns observed - Methodology corrections proposals → `_Internal/lessons-learned/proposals-pending.md` ## Audit log - 2026-05-08T08:19:54Z — clean-restart pre-flight envelope written; predecessor session d58cec3f-... in ABORTED-BREACH; worker-readable file sweep complete; BCS active under new session_id 09c7347d. - (next entries append below as session progresses)