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>

pipeline/templates/code-review.yaml

@@ -0,0 +1,58 @@
+name: code-review
+description: Code review specialist agent
+version: "1.0.0"
+
+tier: 0
+role: observer
+
+allowed_actions:
+  - read_docs
+  - read_code
+  - analyze_code
+  - generate_review
+  - suggest_improvements
+
+forbidden_actions:
+  - modify_code
+  - commit_changes
+  - push_changes
+
+default_config:
+  languages:
+    - python
+    - typescript
+    - go
+    - bash
+  review_focus:
+    - security
+    - performance
+    - maintainability
+    - governance_compliance
+  max_files: 50
+  max_lines_per_file: 2000
+
+review_criteria:
+  security:
+    - sql_injection
+    - command_injection
+    - xss_vulnerability
+    - hardcoded_secrets
+    - insecure_dependencies
+  governance:
+    - audit_logging
+    - error_handling
+    - input_validation
+    - confidence_reporting
+
+output_format:
+  type: structured
+  sections:
+    - summary
+    - findings
+    - recommendations
+    - governance_compliance_score
+
+error_budget:
+  max_total_errors: 8
+  max_same_error_repeats: 3
+  max_procedure_violations: 1