feat: Phase 1 MVP — complete AgentIdP implementation

Implements all P0 features per OpenSpec change phase-1-mvp-implementation:
- Agent Registry Service (CRUD) — full lifecycle management
- OAuth 2.0 Token Service (Client Credentials flow)
- Credential Management (generate, rotate, revoke)
- Immutable Audit Log Service

Tech: Node.js 18+, TypeScript 5.3+ strict, Express 4.18+, PostgreSQL 14+, Redis 7+
Standards: OpenAPI 3.0 specs, DRY/SOLID, zero `any` types
Quality: 18 unit test suites, 244 tests passing, 97%+ coverage
OpenAPI: 4 complete specs (14 endpoints total)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

scripts/start-cto.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+# =============================================================================
+# SentryAgent.ai — Start Virtual CTO Agent
+# =============================================================================
+# Launches a separate Claude Code instance as the Virtual CTO.
+# The CTO will register on the central hub and await CEO instructions.
+#
+# Usage:
+#   ./scripts/start-cto.sh
+#
+# The CTO agent runs in its own terminal session and communicates
+# with the CEO via the central hub (#vpe-cto-approvals channel).
+# =============================================================================
+
+set -e
+
+PROJECT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+CTO_WORKSPACE="$PROJECT_ROOT/.cto-workspace"
+
+echo "=============================================="
+echo "  SentryAgent.ai — Starting Virtual CTO Agent"
+echo "=============================================="
+echo ""
+echo "  Project:    $PROJECT_ROOT"
+echo "  Workspace:  $CTO_WORKSPACE"
+echo "  Hub Channel: #vpe-cto-approvals"
+echo ""
+echo "  The Virtual CTO will:"
+echo "  1. Read README.md"
+echo "  2. Register on central hub as VirtualCTO"
+echo "  3. Report status to CEO"
+echo "  4. Await CEO priorities"
+echo ""
+echo "=============================================="
+echo ""
+
+# Verify the CTO workspace exists
+if [ ! -f "$CTO_WORKSPACE/CLAUDE.md" ]; then
+  echo "ERROR: CTO workspace not found at $CTO_WORKSPACE/CLAUDE.md"
+  echo "Please ensure the project is set up correctly."
+  exit 1
+fi
+
+# Launch Claude Code in the CTO workspace
+cd "$CTO_WORKSPACE"
+exec claude