Unify TUI slash commands and harden tool inventory responses

docs/plans/state.json

@@ -3,6 +3,31 @@
   "updated_at": "2026-02-21",
   "description": "Tracks the status of all Flynn plans and implementation phases",
   "plans": {
+    "slash-command-parity-and-authoritative-tools": {
+      "status": "completed",
+      "date": "2026-02-21",
+      "updated": "2026-02-21",
+      "summary": "Unified slash command behavior across minimal and fullscreen TUI by adding `/tools`, `/research`, and `/council` command parity, wiring shared callbacks, and registering `council.run` in TUI startup when councils are enabled. Added deterministic capability-query handling so tool-inventory prompts return authoritative runtime tool lists instead of model-invented answers.",
+      "files_modified": [
+        "src/frontends/tui/commands.ts",
+        "src/frontends/tui/commands.test.ts",
+        "src/frontends/tui/minimal.ts",
+        "src/frontends/tui/minimal.test.ts",
+        "src/frontends/tui/fullscreen.ts",
+        "src/frontends/tui/components/App.tsx",
+        "src/commands/types.ts",
+        "src/commands/builtin/index.ts",
+        "src/commands/builtin/index.test.ts",
+        "src/commands/index.ts",
+        "src/daemon/routing.ts",
+        "src/daemon/routing.test.ts",
+        "src/cli/tui.ts",
+        "src/backends/native/agent.ts",
+        "README.md",
+        "docs/plans/state.json"
+      ],
+      "test_status": "pnpm test:run src/commands/builtin/index.test.ts src/daemon/routing.test.ts src/frontends/tui/commands.test.ts src/frontends/tui/minimal.test.ts + pnpm typecheck passing"
+    },
     "faster-inflight-cancel-propagation": {
       "status": "completed",
       "date": "2026-02-19",