feat(audit): record user action events across gateway and channels

docs/plans/state.json

@@ -3,6 +3,39 @@
   "updated_at": "2026-02-16",
   "description": "Tracks the status of all Flynn plans and implementation phases",
   "plans": {
+    "backup-session-summary-audit-trail": {
+      "status": "completed",
+      "date": "2026-02-16",
+      "updated": "2026-02-16",
+      "summary": "Implemented operator resilience features: backup snapshots with MinIO upload support (`flynn backup` + optional daemon scheduler), optional end-of-session summarization for WebSocket sessions with memory persistence, and explicit `user.action` audit events across channel and gateway message entry points.",
+      "files_modified": [
+        "src/config/schema.ts",
+        "src/config/schema.test.ts",
+        "src/config/index.ts",
+        "src/daemon/index.ts",
+        "src/daemon/routing.ts",
+        "src/daemon/routing.test.ts",
+        "src/gateway/session-bridge.ts",
+        "src/gateway/session-bridge.test.ts",
+        "src/gateway/handlers/agent.ts",
+        "src/gateway/handlers/agent.test.ts",
+        "src/audit/types.ts",
+        "src/audit/logger.ts",
+        "src/session/index.ts",
+        "src/session/endSummary.ts",
+        "src/session/endSummary.test.ts",
+        "src/backup/run.ts",
+        "src/backup/run.test.ts",
+        "src/backup/index.ts",
+        "src/cli/backup.ts",
+        "src/cli/index.ts",
+        "src/cli/index.test.ts",
+        "config/default.yaml",
+        "README.md",
+        "scripts/backup-to-minio.sh"
+      ],
+      "test_status": "pnpm test:run src/backup/run.test.ts src/session/endSummary.test.ts src/config/schema.test.ts src/gateway/session-bridge.test.ts src/gateway/handlers/agent.test.ts src/daemon/routing.test.ts src/cli/index.test.ts + pnpm typecheck passing"
+    },
     "docs-agent-oriented-diagrams-pass": {
       "status": "completed",
       "date": "2026-02-15",