feat(tools): add minio ingestion into memory namespaces

docs/plans/state.json

@@ -61,6 +61,25 @@
       ],
       "test_status": "pnpm eslint src/gateway/ui/pages/dashboard.js + pnpm typecheck passing; full pnpm lint currently fails due pre-existing unrelated repo lint errors"
     },
+    "minio-knowledge-ingestion-tool": {
+      "status": "completed",
+      "date": "2026-02-16",
+      "updated": "2026-02-16",
+      "summary": "Added `minio.ingest` tool to import text-like objects from MinIO into memory namespaces (`append`/`replace`) with extension/content safety checks, truncation controls, and force override. Wired tool registration when MinIO + memory are enabled, updated tool policy/groups/docs, and added focused tests.",
+      "files_modified": [
+        "src/tools/builtin/minio-ingest.ts",
+        "src/tools/builtin/minio-ingest.test.ts",
+        "src/tools/builtin/index.ts",
+        "src/tools/index.ts",
+        "src/daemon/index.ts",
+        "src/tools/policy.ts",
+        "src/tools/policy.test.ts",
+        "README.md",
+        "docs/api/TOOLS.md",
+        "docs/plans/state.json"
+      ],
+      "test_status": "pnpm test:run src/tools/builtin/minio-ingest.test.ts src/tools/policy.test.ts + pnpm typecheck passing"
+    },
     "backup-session-summary-audit-trail": {
       "status": "completed",
       "date": "2026-02-16",