chore: seed sample video data, add spec 033 and update instructions

specs/033-video-apresentacao-imovel/checklists/requirements.md

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+# Specification Quality Checklist: Vídeo de Apresentação do Imóvel
+
+**Purpose**: Validar completude e qualidade da especificação antes de avançar para o planejamento
+**Created**: 2026-04-22
+**Feature**: [spec.md](../spec.md)
+
+## Content Quality
+
+- [x] No implementation details (languages, frameworks, APIs)
+- [x] Focused on user value and business needs
+- [x] Written for non-technical stakeholders
+- [x] All mandatory sections completed
+
+## Requirement Completeness
+
+- [x] No [NEEDS CLARIFICATION] markers remain
+- [x] Requirements are testable and unambiguous
+- [x] Success criteria are measurable
+- [x] Success criteria are technology-agnostic (no implementation details)
+- [x] All acceptance scenarios are defined
+- [x] Edge cases are identified
+- [x] Scope is clearly bounded
+- [x] Dependencies and assumptions identified
+
+## Feature Readiness
+
+- [x] All functional requirements have clear acceptance criteria
+- [x] User scenarios cover primary flows
+- [x] Feature meets measurable outcomes defined in Success Criteria
+- [x] No implementation details leak into specification
+
+## Notes
+
+- Spec está pronta para avançar para `/speckit.plan`
+- Escopo claramente delimitado: 1 vídeo por imóvel, sem upload direto, sem múltiplos vídeos
+- Posição padrão documentada como "seção exclusiva" nas Assumptions
+- Comportamento de edge cases (URL inválida, vídeo removido externamente) está coberto