TenantAtlas/.ai/guidelines/filament-v5-blueprint.md
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## Source of Truth
If any Filament behavior is uncertain, lookup the exact section in:
- docs/research/filament-v5-notes.md
and prefer that over guesses.
# SECTION B — FILAMENT V5 BLUEPRINT (EXECUTABLE RULES)
# Filament Blueprint (v5)
## 1) Non-negotiables
- Filament v5 requires Livewire v4.0+.
- Laravel 11+: register panel providers in `bootstrap/providers.php` (never `bootstrap/app.php`).
- Global search hard rule: If a Resource should appear in Global Search, it must have an Edit or View page; otherwise it will return no results.
- Destructive actions must execute via `Action::make(...)->action(...)` and include `->requiresConfirmation()` (no exceptions).
- Prefer render hooks + CSS hook classes over publishing Filament internal views.
Sources:
- https://filamentphp.com/docs/5.x/upgrade-guide
- https://filamentphp.com/docs/5.x/panel-configuration
- https://filamentphp.com/docs/5.x/resources/global-search
- https://filamentphp.com/docs/5.x/actions/modals
- https://filamentphp.com/docs/5.x/advanced/render-hooks
- https://filamentphp.com/docs/5.x/styling/css-hooks
## 2) Directory & naming conventions
- Default to Filament discovery conventions for Resources/Pages/Widgets unless you adopt modular architecture.
- Clusters: directory layout is recommended, not mandatory; functional behavior depends on `$cluster`.
Sources:
- https://filamentphp.com/docs/5.x/navigation/clusters
- https://filamentphp.com/docs/5.x/advanced/modular-architecture
## 3) Panel setup defaults
- Default to a single `/admin` panel unless multiple audiences/configs demand multiple panels.
- Verify provider registration (Laravel 11+: `bootstrap/providers.php`) when adding a panel.
- Use `path()` carefully; treat `path('')` as a high-risk change requiring route conflict review.
- Assets policy:
- Panel-only assets: register via panel config.
- Shared/plugin assets: register via `FilamentAsset::register()`.
- Deployment must include `php artisan filament:assets`.
Sources:
- https://filamentphp.com/docs/5.x/panel-configuration
- https://filamentphp.com/docs/5.x/advanced/assets
## 4) Navigation & information architecture
- Use nav groups + sort order intentionally; apply conditional visibility for clarity, but enforce authorization separately.
- Use clusters to introduce hierarchy and sub-navigation when sidebar complexity grows.
- Treat cluster code structure as a recommendation (organizational benefit), not a required rule.
- User menu:
- Configure via `userMenuItems()` with Action objects.
- Never put destructive actions there without confirmation + authorization.
Sources:
- https://filamentphp.com/docs/5.x/navigation/overview
- https://filamentphp.com/docs/5.x/navigation/clusters
- https://filamentphp.com/docs/5.x/navigation/user-menu
## 5) Resource patterns
- Default to Resources for CRUD; use custom pages for non-CRUD tools/workflows.
- Global search:
- If a resource is intended for global search: ensure Edit/View page exists.
- Otherwise disable global search for that resource (dont “expect it to work”).
- If global search renders relationship-backed details: eager-load via global search query override.
- For very large datasets: consider disabling term splitting (only when needed).
Sources:
- https://filamentphp.com/docs/5.x/resources/overview
- https://filamentphp.com/docs/5.x/resources/global-search
## 6) Page lifecycle & query rules
- Treat relationship-backed rendering in aggregate contexts (global search details, list summaries) as requiring eager loading.
- Prefer render hooks for layout injection; avoid publishing internal views.
Sources:
- https://filamentphp.com/docs/5.x/resources/global-search
- https://filamentphp.com/docs/5.x/advanced/render-hooks
## 7) Infolists vs RelationManagers (decision tree)
- Interactive CRUD / attach / detach under owner record → RelationManager.
- Pick existing related record(s) inside owner form → Select / CheckboxList relationship fields.
- Inline CRUD inside owner form → Repeater.
- Default performance stance: RelationManagers stay lazy-loaded unless explicit UX justification exists.
Sources:
- https://filamentphp.com/docs/5.x/resources/managing-relationships
- https://filamentphp.com/docs/5.x/infolists/overview
## 8) Form patterns (validation, reactivity, state)
- Default: minimize server-driven reactivity; only use it when schema/visibility/requirements must change server-side.
- Prefer “on blur” semantics for chatty inputs when using reactive behavior (per docs patterns).
- Custom field views must obey state binding modifiers.
Sources:
- https://filamentphp.com/docs/5.x/forms/overview
- https://filamentphp.com/docs/5.x/forms/custom-fields
## 9) Table & action patterns
- Tables: always define a meaningful empty state (and empty-state actions where appropriate).
- Actions:
- Execution actions use `->action(...)`.
- Destructive actions add `->requiresConfirmation()`.
- Navigation-only actions should use `->url(...)`.
- UNVERIFIED: do not assert modal/confirmation behavior for URL-only actions unless verified.
Sources:
- https://filamentphp.com/docs/5.x/tables/empty-state
- https://filamentphp.com/docs/5.x/actions/modals
## 10) Authorization & security
- Enforce panel access in non-local environments as documented.
- UI visibility is not security; enforce policies/access checks in addition to hiding UI.
- Bulk operations: explicitly decide between “Any” policy methods vs per-record authorization.
Sources:
- https://filamentphp.com/docs/5.x/users/overview
- https://filamentphp.com/docs/5.x/resources/deleting-records
## 11) Notifications & UX feedback
- Default to explicit success/error notifications for user-triggered mutations that arent instantly obvious.
- Treat polling as a cost; set intervals intentionally where polling is used.
Sources:
- https://filamentphp.com/docs/5.x/notifications/overview
- https://filamentphp.com/docs/5.x/widgets/stats-overview
## 12) Performance defaults
- Heavy assets: prefer on-demand loading (`loadedOnRequest()` + `x-load-css` / `x-load-js`) for heavy dependencies.
- Styling overrides use CSS hook classes; layout injection uses render hooks; avoid view publishing.
Sources:
- https://filamentphp.com/docs/5.x/advanced/assets
- https://filamentphp.com/docs/5.x/styling/css-hooks
- https://filamentphp.com/docs/5.x/advanced/render-hooks
## 13) Testing requirements
- Test pages/relation managers/widgets as Livewire components.
- Test actions using Filaments action testing guidance.
- Do not mount non-Livewire classes in Livewire tests.
Sources:
- https://filamentphp.com/docs/5.x/testing/overview
- https://filamentphp.com/docs/5.x/testing/testing-actions
## 14) Forbidden patterns
- Mixing Filament v3/v4 APIs into v5 code.
- Any mention of Livewire v3 for Filament v5.
- Registering panel providers in `bootstrap/app.php` on Laravel 11+.
- Destructive actions without `->requiresConfirmation()`.
- Shipping heavy assets globally when on-demand loading fits.
- Publishing Filament internal views as a default customization technique.
Sources:
- https://filamentphp.com/docs/5.x/upgrade-guide
- https://filamentphp.com/docs/5.x/panel-configuration
- https://filamentphp.com/docs/5.x/actions/modals
- https://filamentphp.com/docs/5.x/advanced/assets
## 15) Agent output contract
For any implementation request, the agent must explicitly state:
1) Livewire v4.0+ compliance.
2) Provider registration location (Laravel 11+: `bootstrap/providers.php`).
3) For each globally searchable resource: whether it has Edit/View page (or global search is disabled).
4) Which actions are destructive and how confirmation + authorization is handled.
5) Asset strategy: global vs on-demand and where `filament:assets` runs in deploy.
6) Testing plan: which pages/widgets/relation managers/actions are covered.
Sources:
- https://filamentphp.com/docs/5.x/upgrade-guide
- https://filamentphp.com/docs/5.x/panel-configuration
- https://filamentphp.com/docs/5.x/resources/global-search
- https://filamentphp.com/docs/5.x/advanced/assets
- https://filamentphp.com/docs/5.x/testing/testing-actions