docs: reconciliar OpenSpec e escopo do MVP (MAN-124) (#50)

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schema: spec-driven
created: 2026-08-06

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## Context
O site público usa Blade/Tailwind e já contém um runtime pequeno em `resources/js/motion.js`: abertura focal da home, `page-open`, reveals com `IntersectionObserver` e progresso do índice. A cobertura e a marcação são parciais, os reveals não têm grupos/direções explícitas e a matriz browser se concentra nas quatro páginas visuais originais. A mudança cruza templates, CSS, JavaScript e testes, mas não envolve estado de aplicação, dados ou dependências.
## Goals / Non-Goals
**Goals:**
- Tornar a coreografia Heritage Editorial consistente em toda página pública visual.
- Manter texto legível durante toda entrada, animando somente `transform` e recorte de mídia.
- Garantir enhancement progressivo: estado final imediato sem JavaScript, observer ou com movimento reduzido.
- Preservar interação, foco, validação e ausência de overflow em desktop/mobile.
- Cobrir marcação, comportamento real, acessibilidade e console.
**Non-Goals:**
- Não criar transições de rota, parallax, animação contínua ou repetição ao voltar no scroll.
- Não mudar copy, dados de clientes, estrutura de layout, CMS, controllers, banco, APIs ou Filament.
- Não adicionar biblioteca de animação nem itens de SPEC.md §4.2.
## Decisions
1. **Contrato declarativo em atributos `data-*`.** Templates usarão `data-motion="page-open"`, `data-motion-beat`, `data-reveal-group`, `data-reveal` e `data-reveal-from="up|left|right"`. CSS define o estado visual e JS apenas ativa classes. Alternativa rejeitada: acoplar seletores a classes de layout, por tornar a coreografia frágil a ajustes visuais.
2. **Enhancement opt-in pelo elemento raiz.** O HTML inicial permanece no estado final; o runtime adiciona `html[data-motion="enhance"]` somente quando movimento é permitido e os recursos necessários existem. Sem JS, sem `IntersectionObserver`, ou em `reduce`, o atributo não é aplicado/removido e todo conteúdo fica final. Alternativa rejeitada: estado inicial oculto no HTML/CSS, pois pode prender conteúdo fora da tela.
3. **Transformação sem fade de texto.** Entradas duram cerca de 500 ms com `cubic-bezier(0.16, 1, 0.3, 1)`, deslocamento vertical de 12 px e lateral de 24 px no desktop/16 px no mobile. Grupos recebem stagger de 90 ms limitado a 270 ms. Mídia pode combinar transform com `clip-path`; texto não usa opacidade. Alternativa rejeitada: fade geral, que reduz contraste durante axe e legibilidade percebida.
4. **Observer de execução única.** Cada reveal intersectado recebe o estado final e é removido do observer. Grupos calculam índice limitado para o delay; depoimentos definem explicitamente `left`/`right` pela coluna, preservando alternância no mobile. Alternativa rejeitada: reanimar em toda rolagem, por criar fadiga e instabilidade.
5. **Feedback separado das entradas.** CTAs, links, navegação e controles recebem transições curtas (100200 ms) em cor/transform/borda. `:focus-visible` continua prioritário; alertas e mensagens de erro não entram no contrato de motion. Alternativa rejeitada: feedback via JS, desnecessário para estados CSS.
6. **Progresso com coalescência por frame.** Eventos de scroll apenas agendam uma atualização por `requestAnimationFrame`; o cálculo existente é preservado. Alternativa rejeitada: calcular em todo evento, que multiplica leituras/escritas durante scroll.
7. **Testes em camadas.** Feature tests comprovam contratos Blade/CSS/JS e renderização de erros; browser tests comprovam entrada, stagger, direções, reduced motion, fallback, interação, overflow e console. Axe e console incluem sobre, contato, privacidade e 404; demais erros ficam em renderização feature.
## Risks / Trade-offs
- [Conteúdo pisca entre estado final e início do enhancement] → inicializar no primeiro módulo Vite, limitar transformações a distâncias pequenas e nunca ocultar texto.
- [Transforms laterais causam overflow horizontal] → limitar distância por breakpoint, manter recorte no contêiner público e testar `scrollWidth` em ambos viewports.
- [Muitos observers/estilos inline] → usar um único observer, custom property de índice limitada e `unobserve` imediato.
- [Páginas de erro não carregam o runtime em todos os contextos] → o estado final é seguro; feature tests cobrem os cinco templates.
## Migration Plan
Publicar CSS, JS e templates no mesmo bundle/commit; não há migração de dados. Rollback consiste em reverter esses assets e atributos, sem compatibilidade de schema ou limpeza operacional.
## Open Questions
Nenhuma; direção, alternância mobile, execução única e limites de escopo foram aprovados no plano.

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## Why
O site público já possui uma abertura focal na home, mas o restante da experiência ainda muda de estado de forma desigual entre páginas e seções. WEB-01, WEB-07 e os requisitos transversais de acessibilidade pedem uma coreografia editorial consistente, progressiva e dispensável, sem ocultar conteúdo nem comprometer interação, performance ou movimento reduzido.
## What Changes
- Evoluir o contrato de motion do site público com abertura de página, sequência editorial inicial e reveals direcionais executados uma única vez.
- Aplicar a coreografia à home, serviços, portfólio, detalhe, sobre, contato, privacidade e páginas de erro 404/419/429/500/503.
- Alternar depoimentos entre esquerda e direita, filtrando citações vazias antes de renderizar a sequência.
- Adicionar feedback curto e não bloqueante a links, CTAs, navegação e controles de formulário, preservando foco e mensagens de validação.
- Garantir estado final imediato sem JavaScript, sem `IntersectionObserver` e com `prefers-reduced-motion: reduce`.
- Limitar o progresso/índice da home a uma atualização por frame e ampliar testes de marcação, browser, acessibilidade e console.
- Não objetivos: não criar transições entre rotas, alterar conteúdo ou layout estrutural, adicionar biblioteca de animação, modificar CMS/API/banco/Filament, nem introduzir itens fora do MVP listados em SPEC.md §4.2.
## Capabilities
### New Capabilities
- `public-site-motion`: Coreografia progressiva, direções, timings, execução única, microfeedback, performance e fallbacks do motion público.
### Modified Capabilities
- `design-tokens`: Especificar tokens compartilhados de duração, stagger, distância e easing para motion editorial.
- `public-site-pages`: Cobrir todas as páginas públicas visuais e templates de erro com o contrato compartilhado de abertura e reveal.
- `testimonials`: Filtrar citações vazias e alternar explicitamente a direção de entrada dos depoimentos renderizados.
- `web-accessibility`: Ampliar axe/console e validar conteúdo imediatamente utilizável com movimento reduzido ou enhancement indisponível.
## Impact
Afeta somente templates Blade públicos, `resources/js/motion.js`, tokens/regras CSS e testes Pest/Pest Browser. Não altera APIs, banco, controllers, CMS, dependências, endpoints técnicos (`sitemap.xml`, `robots.txt`) ou Filament.

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## ADDED Requirements
### Requirement: Editorial motion tokens are centralized
The system SHALL define shared public motion tokens for an approximately 500 ms entrance, short interaction feedback, exponential ease-out, 90 ms stagger capped at 270 ms, 12 px vertical distance, and 24 px desktop / 16 px mobile lateral distance. Public motion CSS MUST consume these tokens instead of duplicating arbitrary values.
#### Scenario: Motion runtime uses shared values
- **WHEN** page openings, reveals, or interaction feedback are styled
- **THEN** duration, easing, stagger, and distance MUST be derived from centralized tokens

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## ADDED Requirements
### Requirement: Public pages use shared progressive motion choreography
The public site SHALL expose a declarative motion contract using `data-motion="page-open"`, `data-motion-beat`, `data-reveal-group`, `data-reveal`, and `data-reveal-from="up|left|right"`. Home, services, portfolio index/detail, about, contact, privacy, and branded 404/419/429/500/503 pages MUST use the contract without introducing route transitions.
#### Scenario: Visual public route exposes motion hooks
- **WHEN** a visitor loads any visual public route or branded error page
- **THEN** the rendered page MUST expose a page opening hook and appropriate reveal hooks
#### Scenario: Technical endpoints remain outside motion
- **WHEN** a visitor requests `sitemap.xml` or `robots.txt`
- **THEN** the response MUST NOT depend on the public motion runtime
### Requirement: Editorial entrance timing and direction are consistent
Entrances SHALL use shared tokens for an approximately 500 ms duration, 90 ms stagger capped at 270 ms, 12 px vertical distance, and 24 px desktop / 16 px mobile lateral distance. Text MUST remain fully visible; motion MUST use transforms and MAY use media clipping without opacity fades for text.
#### Scenario: Reveal group computes capped stagger
- **WHEN** more than four reveal items are rendered in one group
- **THEN** the applied delay MUST NOT exceed 270 ms
#### Scenario: Text enters without opacity fade
- **WHEN** page opening or scroll reveal motion runs
- **THEN** text MUST remain visible throughout the transition
### Requirement: Reveals execute once without blocking interaction
Each scroll reveal SHALL activate once, reach its final state, and be removed from observation. Visitors MUST be able to activate links and form controls while entrance motion is running.
#### Scenario: Revealed content leaves observer
- **WHEN** a reveal target intersects the configured viewport threshold
- **THEN** it MUST receive the final state and be unobserved
- **AND** scrolling away and back MUST NOT replay the reveal
#### Scenario: CTA remains interactive during entrance
- **WHEN** a visitor activates a CTA while its entrance is in progress
- **THEN** navigation MUST proceed without waiting for animation completion
### Requirement: Motion enhancement has immediate safe fallbacks
Without JavaScript, without `IntersectionObserver`, or when `prefers-reduced-motion: reduce` is active, the site SHALL render every motion target immediately in its final usable state. Non-essential animation and transition MUST NOT run under reduced motion.
#### Scenario: JavaScript is unavailable
- **WHEN** a public page renders without executing JavaScript
- **THEN** all content MUST be visible and usable in its final state
#### Scenario: IntersectionObserver is unavailable
- **WHEN** JavaScript runs but `IntersectionObserver` is not supported
- **THEN** all reveal targets MUST remain in their final state
#### Scenario: Reduced motion is preferred
- **WHEN** the browser reports `prefers-reduced-motion: reduce`
- **THEN** page openings, reveals, media clips, and non-essential feedback transitions MUST NOT run
### Requirement: Public interaction feedback is short and accessible
CTAs, links, navigation, and form controls SHALL provide short feedback using shared tokens while preserving visible `:focus-visible` indication. Alerts and validation messages MUST NOT be animated by this contract.
#### Scenario: Keyboard focus remains visible
- **WHEN** a visitor focuses an interactive element with the keyboard
- **THEN** its focus indicator MUST remain visible and MUST NOT be displaced by motion feedback
#### Scenario: Validation message appears without motion
- **WHEN** server validation renders an error message
- **THEN** the message MUST appear in its final position without entrance animation
### Requirement: Home progress updates at most once per animation frame
Scroll-driven chapter index and progress updates on the home SHALL be coalesced through `requestAnimationFrame`, with at most one pending update per frame.
#### Scenario: Multiple scroll events occur in one frame
- **WHEN** multiple scroll events fire before the next animation frame
- **THEN** the home progress calculation MUST execute only once for that frame

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## ADDED Requirements
### Requirement: Visual public and error pages expose the shared motion contract
The system SHALL apply the shared progressive opening and reveal contract to home, services, portfolio index/detail, about, contact, privacy, and branded 404/419/429/500/503 pages. The contract MUST NOT change page copy, content ordering, route behavior, or structural layout.
#### Scenario: Institutional page uses shared opening
- **WHEN** a visitor loads `/sobre`, `/contato`, or `/privacidade`
- **THEN** the page MUST expose the shared page opening hook and section reveal hooks
#### Scenario: Error page remains branded and progressively enhanced
- **WHEN** Laravel renders a branded 404, 419, 429, 500, or 503 response
- **THEN** the page MUST expose the shared opening hook
- **AND** all error guidance and navigation MUST remain immediately usable without enhancement

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## MODIFIED Requirements
### Requirement: Testimonials are managed with publication control
The system SHALL allow admins to manage testimonials (SPEC WEB-04) with quote text (including multi-paragraph content), author name, optional context (event type and/or date), optional photo with alt text, sort order, featured flag, and `published_at`. Public rendering MUST preserve paragraph breaks from the stored quote, MUST omit blank/whitespace-only quotes before creating the rendered sequence, and MUST assign alternating `left`/`right` reveal directions according to the remaining rendered column order at desktop and mobile viewports. Testimonials sourced from real clients MUST NOT be published to production without authorization; development seeds MAY include the authorized-pending real quotes marked for review.
#### Scenario: Unpublished testimonial is excluded
- **WHEN** a testimonial has `published_at` null
- **THEN** the `published()` scope MUST exclude it
#### Scenario: Published testimonial is queryable
- **WHEN** an admin sets `published_at` with required quote and author name
- **THEN** the testimonial MUST be included in the `published()` scope
#### Scenario: Assistant cannot manage testimonials
- **WHEN** an assistant attempts to access the testimonials Resource
- **THEN** access MUST be denied with HTTP 403
#### Scenario: Featured testimonials are filterable
- **WHEN** content is queried with featured filter
- **THEN** records with `is_featured` true MUST be retrievable independently of sort order
#### Scenario: Multi-paragraph quotes render as paragraphs
- **GIVEN** a published testimonial whose quote contains blank-line separated paragraphs
- **WHEN** the home testimonials section is rendered
- **THEN** each paragraph MUST appear as distinct block text rather than a single collapsed line
#### Scenario: Blank quotes do not affect alternation
- **GIVEN** the published testimonial collection contains a blank quote between two non-blank quotes
- **WHEN** the home testimonials section is rendered
- **THEN** the blank testimonial MUST be omitted
- **AND** the two rendered testimonials MUST receive alternating `left` and `right` directions based on their rendered order
#### Scenario: Direction alternation remains on mobile
- **WHEN** testimonials are viewed at a mobile viewport
- **THEN** their explicit `left` and `right` directions MUST be preserved with the reduced mobile distance

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## MODIFIED Requirements
### Requirement: Public routes have no critical or serious accessibility issues
The system SHALL run automated accessibility checks on the public routes covered by the browser suite (SPEC §6.5, §13.8) after the Heritage Editorial motion enhancement. A critical or serious issue MUST fail the suite.
#### Scenario: Critical issue blocks the suite
- **WHEN** the automated accessibility check reports a critical or serious issue on a covered route
- **THEN** the browser suite MUST fail and report the offending rule and selector
#### Scenario: Covered routes are checked
- **WHEN** the accessibility suite runs
- **THEN** home, services listing, portfolio listing, case detail, about, contact, privacy and branded 404 MUST each be checked
### Requirement: Reduced motion preference is honored
The system SHALL suppress non-essential animation and transition when the user agent reports `prefers-reduced-motion: reduce`, including page openings, editorial reveals, image hover scales, interaction feedback and menu transitions. All affected content MUST render in its final visible and interactive state.
#### Scenario: Reduced motion disables transitions
- **GIVEN** the browser reports `prefers-reduced-motion: reduce`
- **WHEN** a public page is loaded
- **THEN** decorative transitions and animations MUST NOT run
- **AND** every motion target MUST be in its final visible and interactive state
### Requirement: Public pages emit no console errors
Covered public routes SHALL load without JavaScript console errors in a real browser (SPEC §13.8, §19), including home, services listing, portfolio listing, case detail, about, contact, privacy, branded 404, and pages that load the mobile navigation or motion runtime.
#### Scenario: Console stays clean on covered routes
- **WHEN** a covered public route is loaded in the browser suite
- **THEN** the console MUST contain no error-level messages
## ADDED Requirements
### Requirement: Motion enhancement failure does not hide or disable content
The public site SHALL remain readable, keyboard-operable, and interactive when JavaScript is disabled or `IntersectionObserver` is unavailable. Motion targets MUST default to their final state without relying on timeout recovery.
#### Scenario: JavaScript disabled keeps public page usable
- **WHEN** a visitor loads a public page with JavaScript disabled
- **THEN** headings, copy, navigation, CTAs, and form controls MUST be visible and operable
#### Scenario: Observer unavailable keeps reveals final
- **WHEN** the motion runtime executes without `IntersectionObserver`
- **THEN** reveal targets MUST remain in the final state

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## 1. Motion contract and runtime
- [x] 1.1 Extend feature tests first for motion tokens, declarative hooks, no-opacity text, safe fallbacks, one-shot observer, capped stagger and requestAnimationFrame coalescing
- [x] 1.2 Add centralized motion tokens and CSS states for page openings, grouped directional reveals, media clips and accessible interaction feedback
- [x] 1.3 Refactor `resources/js/motion.js` to enhance only when supported, initialize page beats/groups, unobserve revealed targets and coalesce progress updates per frame
## 2. Public template coverage
- [x] 2.1 Add failing markup coverage for home, services, portfolio index/detail, about, contact, privacy and branded 404/419/429/500/503 pages
- [x] 2.2 Apply page-open, beat, reveal-group and directional reveal hooks across all visual public templates without changing content or layout structure
- [x] 2.3 Add failing testimonial coverage, filter blank quotes before the rendered sequence and alternate explicit left/right directions on desktop and mobile
## 3. Browser and accessibility coverage
- [x] 3.1 Add browser tests for real opening/reveal state, 90 ms capped stagger, one-shot observation and interaction during motion
- [x] 3.2 Add desktop/mobile tests for directional distance, reduced motion final state, no-JS/observer fallback, horizontal overflow and clean console
- [x] 3.3 Extend axe and console route matrices to about, contact, privacy and branded 404
- [x] 3.4 Extend axe and console route matrices to about, contact, privacy and branded 404
## 4. Verification and delivery
- [x] 4.1 Run focused feature/browser tests, build, Pint, isolated-cache PHPStan and strict OpenSpec validation
- [x] 4.2 Run `composer quality` and visually review desktop/mobile with normal and reduced motion
- [x] 4.3 Stage only scoped files, commit conventionally, open a PR with screenshots and verification evidence, watch CI to green, merge and remove the worktree — delivered in PR #22 with the requested screenshots and local verification; the PR merged as `0aee15e`, the worktree/remote branch no longer exists, and the current implementation is covered by all five green CI jobs on `main` (run 31501097667). Pixel snapshots were later removed by PR #44 and are not part of the current gate.