Initial commit: Agent Governance System Phase 8

Phase 8 Production Hardening with complete governance infrastructure:

- Vault integration with tiered policies (T0-T4)
- DragonflyDB state management
- SQLite audit ledger
- Pipeline DSL and templates
- Promotion/revocation engine
- Checkpoint system for session persistence
- Health manager and circuit breaker for fault tolerance
- GitHub/Slack integrations
- Architectural test pipeline with bug watcher, suggestion engine, council review
- Multi-agent chaos testing framework

Test Results:
- Governance tests: 68/68 passing
- E2E workflow: 16/16 passing
- Phase 2 Vault: 14/14 passing
- Integration tests: 27/27 passing

Coverage: 57.6% average across 12 phases

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

ledger/test_api.sh

@@ -0,0 +1,68 @@
+#!/bin/bash
+# Test Ledger API
+
+set -e
+
+PORT=8081
+BASE_URL="http://localhost:${PORT}"
+
+echo "=== Testing Ledger API ==="
+
+# Start API in background
+export LEDGER_API_AUTH=false
+export LEDGER_API_PORT=$PORT
+cd /opt/agent-governance/ledger
+python3 api.py > /tmp/ledger-api.log 2>&1 &
+API_PID=$!
+sleep 3
+
+cleanup() {
+    kill $API_PID 2>/dev/null || true
+}
+trap cleanup EXIT
+
+# Test endpoints
+echo ""
+echo "1. Health Check:"
+curl -s "${BASE_URL}/health"
+echo ""
+
+echo ""
+echo "2. Root:"
+curl -s "${BASE_URL}/"
+echo ""
+
+echo ""
+echo "3. List Agents:"
+curl -s "${BASE_URL}/agents"
+echo ""
+
+echo ""
+echo "4. Get Stats:"
+curl -s "${BASE_URL}/stats"
+echo ""
+
+echo ""
+echo "5. Create Test Agent:"
+curl -s -X POST "${BASE_URL}/agents" \
+  -H "Content-Type: application/json" \
+  -d '{"agent_id":"api-test-agent","current_tier":0}'
+echo ""
+
+echo ""
+echo "6. List Violations:"
+curl -s "${BASE_URL}/violations"
+echo ""
+
+echo ""
+echo "7. List Promotions:"
+curl -s "${BASE_URL}/promotions"
+echo ""
+
+echo ""
+echo "8. Orchestration Summary:"
+curl -s "${BASE_URL}/orchestration/summary"
+echo ""
+
+echo ""
+echo "=== All Tests Complete ==="