style: auto-fix ESLint issues (curly braces and formatting)

- Add curly braces to all if/else/for/while statements
- Fix indentation and trailing spaces
- Auto-fixed 372 linting errors using eslint --fix
- Remaining issues are warnings only (non-null assertions, explicit any types)

src/daemon/lifecycle.ts

@@ -14,7 +14,7 @@ export class Lifecycle {
   }
 
   async shutdown(): Promise<void> {
-    if (this.shuttingDown) return;
+    if (this.shuttingDown) {return;}
     this.shuttingDown = true;
     this._isRunning = false;