# AUTONOMOUS-DESIGN.md - Sentinel DevOps Operations
**Date:** 2026-02-16  
**Agent:** Sentinel (DevOps & Infrastructure)  
**Status:** PRIORITY DELIVERY for Michael  

---

## 1. AUTONOMOUS MONITORING & ACTIONS

### System Health (Every 3 Minutes)
**Automatic Actions - No Permission Required:**
- CPU >90% sustained: Kill runaway processes, restart memory leakers
- Memory >90%: Clear temp files, restart heavy processes, trigger garbage collection
- Disk >80%: Auto-cleanup logs, temp files, old backups
- Agent failures: Auto-restart via systemctl, log incident
- Port conflicts: Kill conflicting processes, restart proper services
- SSL cert expiry <30 days: Renew certificates automatically

**Monitoring Without Action:**
- Network latency patterns (track but don't auto-fix routing)
- External service dependencies (track uptime, don't restart them)
- Database performance metrics (monitor, alert, don't auto-optimize)

### Agent Fleet Management (Continuous)
**Auto-Execute:**
- Failed agent detection and restart
- Health check failures → immediate recovery attempts
- Lock file cleanup for stale processes
- Port availability verification and conflict resolution
- Configuration drift detection and auto-correction
- Log rotation and cleanup

**Monitor & Alert:**
- Inter-agent communication failures (coordination issues)
- Cascading failure patterns (multiple agents down)
- Performance degradation trends

### Infrastructure Automation
**Execute Autonomously:**
- Security updates for non-critical packages
- Log archival and compression
- Backup verification and cleanup
- SSL certificate renewal
- DNS record validation
- Firewall rule optimization (security hardening)

**Require Approval:**
- Kernel updates (reboot required)
- Major package updates (potential compatibility issues)
- Configuration changes affecting multiple services
- Resource scaling decisions (cost implications)

---

## 2. DECISION AUTHORITY BOUNDARIES

### GREEN ZONE - Execute Immediately
- Service restarts (individual agents, web server)
- Resource cleanup (temp files, logs, caches)
- Security patches for non-core components
- Performance optimizations <10% resource impact
- Monitoring rule adjustments
- Alert threshold tuning based on historical data
- Emergency failover to backup systems

### YELLOW ZONE - Implement with Notification
- Multiple service restarts (pattern indicates larger issue)
- Resource scaling within 50% of current allocation
- Configuration optimizations affecting performance
- Security rule changes (firewall, access controls)
- Database maintenance operations during low-traffic periods
- Third-party service integration changes

### RED ZONE - Approval Required
- Any action with >10% cost impact
- Major version upgrades (Node, database, OS)
- Architecture changes (moving services, changing ports)
- External service provider changes
- Data migration or schema changes
- Network topology modifications
- Any action during high-traffic periods without emergency justification

### ESCALATION TRIGGERS
**Immediate Alert to Michael:**
- Revenue-affecting service down >5 minutes
- Security breach indicators
- Multiple RED ZONE issues simultaneously
- Customer-facing service degradation
- Data integrity issues

**Next-Day Report:**
- YELLOW ZONE actions taken
- Performance trend analysis
- Cost optimization opportunities
- Infrastructure capacity planning

---

## 3. AGENT COORDINATION METHODS

### Fleet Communication Protocol
**Primary: HTTP Bridge API**
```bash
# Status checks
agent-bridge <target> status

# Task delegation
agent-bridge <target> wake "urgent: system load spike, investigating"

# Tool invocation
agent-bridge <target> invoke session_status '{}'
```

**Secondary: File-Based Queues**
- `SENTINEL-INBOX.md` - Requests for infrastructure support
- `RIVET-INBOX.md` - Infrastructure reports and alerts
- `BUILDER-INBOX.md` - Development environment issues
- Emergency broadcast: Write to ALL agent inboxes simultaneously

### Coordination Patterns

**Daily Operations Flow:**
1. **Fleet Status Briefing** (6:00 AM AEDT)
   - Query all agents via HTTP bridge
   - Consolidate health report
   - Send digest to Rivet and Michael

2. **Resource Planning** (12:00 PM AEDT)
   - Analyze morning usage patterns
   - Predict afternoon capacity needs
   - Pre-position resources for peak loads

3. **Evening Optimization** (9:00 PM AEDT)
   - Performance analysis from day's operations
   - Queue maintenance tasks for overnight
   - Prepare resource reports for next day planning

**Incident Response Protocol:**
1. **Detection** (immediate)
   - Automated monitoring triggers
   - Agent failure notifications
   - Performance threshold breaches

2. **Assessment** (within 1 minute)
   - Determine impact scope
   - Identify affected agents/services
   - Estimate recovery time

3. **Response** (within 3 minutes)
   - Execute immediate containment
   - Notify affected agents
   - Begin recovery procedures

4. **Communication** (within 5 minutes)
   - Alert Rivet (operational impact)
   - Alert Michael if revenue-affecting
   - Update status channels

### Agent-Specific Coordination

**With Builder (Development):**
- Monitor resource usage during builds
- Auto-scale development environments
- Manage code deployment pipelines
- Coordinate database migrations

**With Susan (Sales/Marketing):**
- Ensure CRM uptime during campaigns
- Monitor email service performance
- Scale web resources for traffic spikes
- Track conversion funnel performance metrics

**With Harper (Finance/Legal):**
- Provide cost analysis data
- Monitor compliance-related services
- Secure financial data processing
- Audit trail maintenance

**With Rivet (COO):**
- Strategic infrastructure planning
- Resource utilization reporting
- Incident escalation decisions
- Cross-team coordination

---

## 4. DATA TRIGGERS FOR REDESIGN

### Performance Metrics (3-Month Thresholds)

**Trigger Immediate Redesign:**
- Agent downtime >2% total uptime (17.28 hours/month)
- Average response time >500ms for critical services
- Memory utilization >85% sustained for >1 week
- Disk I/O wait time >20% average
- Network packet loss >0.1%
- Failed automated recoveries >10/month

**Trigger Architecture Review:**
- Traffic growth >300% from baseline
- Agent restart frequency >2/week/agent
- Manual intervention required >5 times/month
- Infrastructure costs increase >50%
- Security incidents >1/quarter
- Customer complaints about performance >5/month

### Business Growth Indicators

**Scale-Up Triggers:**
- Concurrent users >1000 (current capacity ~500)
- API requests >100K/day (current ~10K)
- Database size >50GB (current ~2GB)
- File storage >500GB (current ~50GB)
- Geographic expansion (AU → US/UK markets)
- Team size >20 people (current 2+AI)

**Architecture Evolution Needed:**
- Multi-region deployment requirements
- High-availability SLA requirements (99.9%+)
- Compliance requirements (SOC2, ISO27001)
- Real-time features requiring WebSocket infrastructure
- Machine learning model deployment needs
- Integration with enterprise customer systems

### Operational Complexity Indicators

**Process Redesign Required:**
- Manual deployments >1/week
- Configuration drift incidents >2/month  
- Backup/recovery procedures untested for >30 days
- Monitoring false positive rate >10%
- Alert response time >15 minutes average
- Documentation age >60 days without updates

### Technology Evolution Triggers

**Platform Migration Evaluation:**
- Current VPS CPU utilization >80% sustained
- Memory pressure causing OOM events
- Docker/Kubernetes adoption by team
- Serverless architecture cost benefits
- Edge computing requirements for performance
- AI/ML workload resource requirements

### Cost Optimization Signals

**Redesign for Efficiency:**
- Infrastructure costs >20% of revenue
- Unused resource allocation >30%
- Manual process time >10 hours/week
- Third-party service costs growing faster than usage
- Developer productivity blocked by infrastructure >2 hours/week

### Early Warning Indicators (Redesign Planning)

**6-Month Forecast Triggers:**
- Current growth rate would exceed capacity in 6 months
- Competitive pressure requiring new capabilities
- Technical debt accumulation slowing development >20%
- Hiring plans indicating need for enterprise features
- Customer feedback indicating reliability concerns
- Security threat landscape changes requiring architecture updates

---

## IMPLEMENTATION TIMELINE

**Week 1:** Implement GREEN ZONE autonomous actions  
**Week 2:** Establish YELLOW ZONE notification protocols  
**Week 3:** Deploy comprehensive monitoring for redesign triggers  
**Week 4:** Full autonomous operations with escalation procedures  

**Quarterly Reviews:** Assess all redesign triggers and recommend architecture evolution

---

**Sentinel Autonomous Operations Protocol - LIVE**  
*"Infrastructure that runs itself, with humans for judgment calls"*