cleanup: replace console.log/warn with $console, remove commented-out code

Removed various commented-out code and replaced direct `console.log` and `console.warn` usage across the codebase with `$console` from "core" for standardized logging. Also adjusted linting rules in biome.json to enable warnings for `console.log` usage.

app/src/Api.ts

@@ -117,8 +117,6 @@ export class Api {
             this.updateToken(token);
          }
       }
-
-      //console.warn("Couldn't extract token");
    }
 
    updateToken(token?: string, rebuild?: boolean) {