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- Add exports module with PDF/CSV/Excel generation - Add reports module for inventory analytics - Add POS integrations module - Add database migrations for exports, movements and integrations - Add GitHub Actions CI/CD workflow with Docker support - Add mobile export and reports screens with tests - Update epic documentation with traceability - Add deployment and security guides Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
298 lines
8.2 KiB
Markdown
298 lines
8.2 KiB
Markdown
# MII-004: Captura de Video
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---
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id: MII-004
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type: Epic
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status: Completado
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priority: P0
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phase: 1
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story_points: 21
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created_date: 2026-01-10
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updated_date: 2026-01-13
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simco_version: "4.0.0"
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---
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## Metadata
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| Campo | Valor |
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|-------|-------|
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| **ID** | MII-004 |
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| **Nombre** | Captura de Video |
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| **Fase** | 1 - MVP Core |
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| **Prioridad** | P0 |
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| **Story Points** | 21 |
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| **Estado** | Completado |
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---
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## 1. Descripcion
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Implementar la captura guiada de video en la aplicacion movil, incluyendo validaciones de calidad, preprocesamiento local, y carga resiliente al servidor.
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### Objetivo
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Permitir a los usuarios grabar videos de alta calidad de sus anaqueles de forma guiada para su posterior procesamiento por IA.
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---
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## 2. Requerimientos Relacionados
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| RF | Descripcion | Prioridad |
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|----|-------------|-----------|
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| FR-020 | Captura guiada (30-60s, distancia, luz, movimiento) | P0 |
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| FR-021 | Preprocesado movil (compresion, estabilizacion) | P1 |
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| FR-022 | Evidencia adicional (foto close-up en duda) | P1 |
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| FR-030 | Carga de video resiliente (reintentos, resume) | P0 |
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---
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## 3. Criterios de Aceptacion
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### AC-001: Captura Guiada
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```gherkin
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DADO que inicio una sesion de inventario
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CUANDO activo la camara
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ENTONCES veo indicaciones visuales de:
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- Distancia optima (50-100cm)
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- Nivel de iluminacion
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- Velocidad de movimiento
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Y la duracion sugerida es 30-60 segundos
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```
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### AC-002: Validacion de Calidad
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```gherkin
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DADO que estoy grabando
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CUANDO la calidad es insuficiente
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ENTONCES veo alertas en tiempo real:
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- "Acercate mas" / "Alejate un poco"
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- "Necesitas mas luz"
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- "Muevete mas lento"
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Y no puedo finalizar si la calidad es inaceptable
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```
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### AC-003: Preprocesamiento
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```gherkin
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DADO que termine de grabar
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CUANDO el video se preprocesa
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ENTONCES se comprime a un bitrate optimo
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Y la resolucion es minimo 720p
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Y el tamano final es manejable para upload
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```
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### AC-004: Upload Resiliente
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```gherkin
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DADO que tengo un video listo
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CUANDO inicio la carga
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ENTONCES puedo ver el progreso
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Y si se interrumpe, se reanuda automaticamente
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Y si falla multiples veces, se notifica al usuario
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```
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### AC-005: Evidencia Adicional
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```gherkin
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DADO que el sistema detecto productos con duda
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CUANDO me solicita evidencia adicional
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ENTONCES puedo tomar una foto close-up
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Y la foto se asocia al item dudoso
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```
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---
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## 4. Tareas Tecnicas
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| ID | Tarea | Estimacion | Estado |
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|----|-------|------------|--------|
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| T-001 | Implementar pantalla de captura con expo-camera | 3 SP | Completado |
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| T-002 | Crear overlay de guia visual | 2 SP | Completado |
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| T-003 | Implementar validaciones en tiempo real | 3 SP | Completado |
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| T-004 | Configurar compresion de video | 2 SP | Completado |
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| T-005 | Implementar extraccion de keyframes | 2 SP | Completado |
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| T-006 | Crear servicio de upload con retry | 3 SP | Completado |
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| T-007 | Implementar resume de uploads | 2 SP | Completado |
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| T-008 | Crear endpoint de upload en backend | 2 SP | Completado |
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| T-009 | Integrar con S3/MinIO | 1 SP | Completado |
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| T-010 | Implementar captura de foto adicional | 1 SP | Completado |
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---
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## 5. Modelo de Datos
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### Tabla: videos
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```sql
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CREATE TABLE videos (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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session_id UUID REFERENCES inventory_sessions(id),
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store_id UUID REFERENCES stores(id),
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user_id UUID REFERENCES users(id),
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s3_key VARCHAR(500) NOT NULL,
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original_filename VARCHAR(255),
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file_size BIGINT,
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duration_seconds INT,
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resolution VARCHAR(20),
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fps INT,
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status VARCHAR(20) DEFAULT 'UPLOADING',
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upload_progress INT DEFAULT 0,
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processing_metadata JSONB,
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created_at TIMESTAMP DEFAULT NOW(),
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updated_at TIMESTAMP DEFAULT NOW()
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);
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-- Status: UPLOADING, UPLOADED, PROCESSING, PROCESSED, FAILED
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```
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### Tabla: video_artifacts
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```sql
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CREATE TABLE video_artifacts (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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video_id UUID REFERENCES videos(id) ON DELETE CASCADE,
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type VARCHAR(50), -- 'keyframe', 'closeup', 'thumbnail'
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s3_key VARCHAR(500),
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frame_number INT,
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timestamp_ms INT,
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metadata JSONB,
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created_at TIMESTAMP DEFAULT NOW()
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);
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```
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---
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## 6. Endpoints API
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| Metodo | Endpoint | Descripcion | Auth |
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|--------|----------|-------------|------|
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| POST | /videos/init-upload | Iniciar upload multipart | JWT |
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| PUT | /videos/:id/part/:partNum | Subir parte | JWT |
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| POST | /videos/:id/complete | Completar upload | JWT |
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| POST | /videos/:id/abort | Abortar upload | JWT |
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| GET | /videos/:id/status | Estado del video | JWT |
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| POST | /videos/:id/artifacts | Agregar artefacto | JWT |
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---
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## 7. Pantallas Mobile
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| Pantalla | Componentes |
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|----------|-------------|
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| **CaptureScreen** | Camara, overlay guia, controles |
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| **PreviewScreen** | Preview video, opciones regrabar/usar |
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| **UploadScreen** | Progreso, estado, retry |
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| **CloseupCaptureScreen** | Camara foto, instrucciones |
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---
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## 8. Guia Visual de Captura
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```
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┌─────────────────────────────────────────┐
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│ ┌───────────────────────────────────┐ │
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│ │ │ │
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│ │ [Visor de Camara] │ │
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│ │ │ │
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│ │ ┌─────────────────────────────┐ │ │
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│ │ │ ZONA OPTIMA DE ENFOQUE │ │ │
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│ │ │ (marco guia verde) │ │ │
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│ │ └─────────────────────────────┘ │ │
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│ │ │ │
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│ └───────────────────────────────────┘ │
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│ │
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│ [💡 Buena luz] [📏 Distancia OK] │
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│ │
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│ [⏱️ 00:32 / 00:60] │
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│ │
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│ [ 🔴 GRABANDO ] │
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│ │
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└─────────────────────────────────────────┘
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```
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---
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## 9. Especificaciones Tecnicas
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### Video
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| Parametro | Valor |
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|-----------|-------|
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| Resolucion minima | 720p |
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| Resolucion optima | 1080p |
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| FPS | 30 |
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| Codec | H.264 |
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| Bitrate target | 2-4 Mbps |
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| Duracion | 30-60 segundos |
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| Tamano maximo | ~30 MB |
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### Upload
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| Parametro | Valor |
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|-----------|-------|
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| Chunk size | 5 MB |
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| Max retries | 3 |
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| Retry delay | Exponential backoff |
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| Resume window | 24 horas |
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| Timeout por chunk | 60 segundos |
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### Validaciones
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| Validacion | Umbral |
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|------------|--------|
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| Luz minima | 100 lux |
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| Movimiento maximo | 30 px/frame |
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| Enfoque | >70% sharpness |
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| Distancia | 50-150 cm |
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---
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## 10. Dependencias
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### Entrada (Requiere)
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- MII-001: Infraestructura Base
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- MII-002: Autenticacion
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- MII-003: Gestion de Tiendas
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### Salida (Bloquea)
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- MII-005: Procesamiento IA
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- MII-006: Reportes
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---
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## 11. Integraciones
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| Servicio | Uso |
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|----------|-----|
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| expo-camera | Captura de video |
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| expo-av | Reproduccion y procesamiento |
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| S3/MinIO | Almacenamiento |
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| FFmpeg (si aplica) | Compresion avanzada |
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---
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## 12. Riesgos
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| Riesgo | Probabilidad | Impacto | Mitigacion |
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|--------|--------------|---------|------------|
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| Dispositivos lentos | Alta | Medio | Ajustar calidad dinamicamente |
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| Red intermitente | Alta | Alto | Resume, queue local |
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| Almacenamiento lleno | Media | Medio | Limpiar videos procesados |
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| Calidad insuficiente | Media | Alto | Validacion estricta, feedback |
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---
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## 13. Notas de Implementacion
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- Usar expo-camera para captura nativa
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- Implementar queue local para uploads pendientes (offline)
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- Considerar WebSocket para progreso en tiempo real
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- Limpiar videos locales despues de upload exitoso
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- Guardar thumbnail para preview rapido
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---
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## 14. Referencias
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- [REQUERIMIENTOS-FUNCIONALES.md](../00-vision-general/REQUERIMIENTOS-FUNCIONALES.md) - Secciones 5.3, 5.4
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- [ARQUITECTURA-TECNICA.md](../00-vision-general/ARQUITECTURA-TECNICA.md)
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- [INT-005](../02-integraciones/INT-005-s3-storage.md) - Integracion S3
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---
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**Ultima Actualizacion:** 2026-01-10
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