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/backends/native/orchestrator.test.ts

@@ -243,7 +243,7 @@ describe('AgentOrchestrator', () => {
       });
 
       expect(consoleSpy).toHaveBeenCalledWith(
-        '[Flynn:delegate] tier=fast tokens=50+25'
+        '[Flynn:delegate] tier=fast tokens=50+25',
       );
 
       consoleSpy.mockRestore();