📚 Documentação inicial do ALETHEIA

- MANUAL-PRODUTO.md: Manual do usuário final
- MANUAL-VENDAS.md: Estratégia comercial e vendas
- MANUAL-TECNICO.md: Infraestrutura e deploy
- README.md: Visão geral do projeto

backend/app/schemas/scan.py

@@ -0,0 +1,36 @@
+from pydantic import BaseModel
+from typing import Optional, List
+from datetime import datetime
+
+class ScanRequest(BaseModel):
+    barcode: str
+
+class IngredientAnalysis(BaseModel):
+    name: str
+    popular_name: Optional[str] = None
+    explanation: str
+    classification: str  # "good", "warning", "bad"
+    reason: str
+
+class ScanResult(BaseModel):
+    barcode: str
+    product_name: Optional[str] = None
+    brand: Optional[str] = None
+    category: Optional[str] = None
+    image_url: Optional[str] = None
+    score: int
+    summary: str
+    positives: List[str]
+    negatives: List[str]
+    ingredients: List[IngredientAnalysis]
+    nutri_score: Optional[str] = None
+    nova_group: Optional[int] = None
+    source: str = "open_food_facts"
+
+class ScanHistoryItem(BaseModel):
+    id: int
+    barcode: str
+    product_name: Optional[str] = None
+    brand: Optional[str] = None
+    score: int
+    scanned_at: datetime