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>

checkpoint/storage/ckpt-20260123-204228-96ee3ea3.json

@@ -0,0 +1,72 @@
+{
+  "checkpoint_id": "ckpt-20260123-204228-96ee3ea3",
+  "created_at": "2026-01-23T20:42:28.854329+00:00",
+  "session_id": null,
+  "phase": {
+    "name": "Phase 5: Agent Bootstrapping",
+    "number": 5,
+    "status": "in_progress",
+    "started_at": "2026-01-23T20:42:28.519269+00:00",
+    "completed_at": null,
+    "notes": "Checkpoint skill updated to Claude format"
+  },
+  "phases_completed": [
+    1,
+    2,
+    3,
+    4
+  ],
+  "tasks": [],
+  "active_task_id": null,
+  "dependencies": [
+    {
+      "name": "vault",
+      "type": "service",
+      "status": "available",
+      "endpoint": "https://127.0.0.1:8200",
+      "last_checked": "2026-01-23T20:42:28.849122+00:00"
+    },
+    {
+      "name": "dragonfly",
+      "type": "database",
+      "status": "available",
+      "endpoint": "redis://127.0.0.1:6379",
+      "last_checked": "2026-01-23T20:42:28.852256+00:00"
+    },
+    {
+      "name": "ledger",
+      "type": "database",
+      "status": "available",
+      "endpoint": "/opt/agent-governance/ledger/governance.db",
+      "last_checked": "2026-01-23T20:42:28.852317+00:00"
+    }
+  ],
+  "variables": {},
+  "recent_outputs": [
+    {
+      "type": "evidence",
+      "id": "evd-20260123-171822-13ed5e2e",
+      "action": "terraform",
+      "success": true,
+      "timestamp": "2026-01-23T17:18:22.342850+00:00"
+    }
+  ],
+  "agent_id": null,
+  "agent_tier": 0,
+  "content_hash": "2627e06fd50b021d",
+  "parent_checkpoint_id": "ckpt-20260123-204017-297a70fc",
+  "estimated_tokens": 380,
+  "orchestration_mode": "disabled",
+  "pending_instructions": [
+    {
+      "id": "cb4407a82614",
+      "instruction": "echo 'Hello from queue'",
+      "command_type": "shell",
+      "priority": 5,
+      "requires_confirmation": false,
+      "created_at": "2026-01-23T20:29:15.080962+00:00",
+      "expires_at": null
+    }
+  ],
+  "last_model_response": null
+}