chore(types): fix tsconfig to exclude desktop from Next TS check; remove unused vars and fix hook deps; clean up remaining lint warnings

tsconfig.json

@@ -23,6 +23,6 @@
       "@/convex/*": ["./convex/*"]
     }
   },
-  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts"],
-  "exclude": ["node_modules"]
+  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", ".next/types/**/*.ts"],
+  "exclude": ["node_modules", "apps/desktop/**"]
 }