Chore: remove unused lit context deps

package.json

@@ -191,8 +191,6 @@
   },
   "devDependencies": {
     "@grammyjs/types": "^3.24.0",
-    "@lit-labs/signals": "^0.2.0",
-    "@lit/context": "^1.1.6",
     "@types/express": "^5.0.6",
     "@types/markdown-it": "^14.1.2",
     "@types/node": "^25.3.0",
@@ -201,7 +199,6 @@
     "@typescript/native-preview": "7.0.0-dev.20260219.1",
     "@vitest/coverage-v8": "^4.0.18",
     "lit": "^3.3.2",
-    "ollama": "^0.6.3",
     "oxfmt": "0.33.0",
     "oxlint": "^1.48.0",
     "oxlint-tsgolint": "^0.14.1",