Add production rules discovered during real projects

- Correct hooks-and-api.md: file hooks vs module hooks param injection,
  FK naming not always _num, CmsApi.hook Promise pattern
- Add 9 new rules to hooks-and-api.md: reserved `tipo` var, ghost modules,
  cms_uploads schema, name vs title by menuType, menuOrder, localCache
  gotcha, slug generation, uploads from hooks, CocoEmail
- Add 5 rules to modular-system.md: minified/ dir, Docker workflow,
  debug tools (?compiletwig/?pruebas), general sections deploy, controlador
- Add 2 rules to css-js-conventions.md: Vue inline conflict, Vue mount delay
- Add testing section to quick-reference.md
- Create docs/deploy-and-sync.md for production deploy and sync rules
- Promote 3 critical rules to CLAUDE.md (rules 11-13)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

docs/quick-reference.md

@@ -83,3 +83,11 @@
 | `loop.index is odd/even` | Para layouts alternados |
 | `interno` | True dentro del editor CMS |
 | `thisrecord` | Registro actual (en secciones generales) |
+
+## Testing
+
+| Regla | Detalle |
+|-------|---------|
+| Hooks devuelven JSON en network | Al testear con Playwright, usar `browser_network_requests` o `fetch()` en `browser_evaluate`. El snapshot visual no muestra respuestas de hooks |
+| Vue tarda en montar | Después de navegar a una página con Vue, esperar 3-5s antes de verificar contenido |
+| `?pruebas` | Añadir a URL para bypass de modo mantenimiento (una vez por sesión) |