chore(lint): restore zero-error eslint baseline

docs/plans/state.json

@@ -2628,6 +2628,25 @@
         "docs/plans/analysis/2026-02-16-codebase-audit-report.md"
       ],
       "test_status": "pnpm test:run src/channels/utils.test.ts src/channels/discord/adapter.test.ts src/channels/slack/adapter.test.ts src/channels/whatsapp/adapter.test.ts + pnpm typecheck passing"
+    },
+    "audit-followup-lint-error-baseline": {
+      "status": "completed",
+      "date": "2026-02-16",
+      "updated": "2026-02-16",
+      "summary": "Completed stage-1 lint recovery by clearing all error-level ESLint violations in high-error files (`daemon/models.ts`, `cli/tui.ts`, `daemon/routing.ts`, `gateway/ui/pages/settings.js`) and adjacent return-await/no-useless-return issues so `pnpm lint` now passes with warnings only.",
+      "files_modified": [
+        "src/daemon/models.ts",
+        "src/cli/tui.ts",
+        "src/daemon/routing.ts",
+        "src/gateway/ui/pages/settings.js",
+        "src/backends/native/orchestrator.ts",
+        "src/frontends/tui/components/App.tsx",
+        "src/gateway/server.test.ts",
+        "src/hooks/engine.ts",
+        "src/tools/executor.test.ts",
+        "docs/plans/analysis/2026-02-16-codebase-audit-report.md"
+      ],
+      "test_status": "pnpm test:run src/gateway/server.test.ts src/tools/executor.test.ts src/backends/native/orchestrator.test.ts src/daemon/routing.test.ts + pnpm typecheck + pnpm lint passing (0 errors, warnings remain)"
     }
   },
   "overall_progress": {