feat(todos): domains[], photo_path, gps_lat/lng — modèle, schemas, API, tri par date

- Modèle SQLAlchemy : ajout de domains (ARRAY), photo_path, gps_lat, gps_lng ; import Float
- Schemas Pydantic : domain → domains dans TodoCreate, TodoUpdate, TodoResponse ; ajout photo_path, gps_lat, gps_lng
- API GET /api/todos : filtre domain (param URL) redirigé vers domains.contains([domain]) sur le champ ARRAY
- Tests : domain → domains dans les payloads POST ; assertion domains == ["informatique"] dans test_creer_todo

backend/app/models/todos.py

@@ -1,6 +1,6 @@
 import uuid
 from datetime import datetime
-from sqlalchemy import String, Text, Integer, TIMESTAMP, text
+from sqlalchemy import String, Text, Integer, Float, TIMESTAMP, text
 from sqlalchemy.dialects.postgresql import UUID, ARRAY
 from sqlalchemy.orm import Mapped, mapped_column
 from app.core.database import Base
@@ -15,8 +15,12 @@ class TodoItem(Base):
     body: Mapped[str | None] = mapped_column(Text)
     url: Mapped[str | None] = mapped_column(Text)
     domain: Mapped[str | None] = mapped_column(String(50))
+    domains: Mapped[list[str]] = mapped_column(ARRAY(String(50)), server_default=text("'{}'::varchar[]"))
     category: Mapped[str | None] = mapped_column(String(50))
     tags: Mapped[list[str]] = mapped_column(ARRAY(String(50)), server_default=text("'{}'::varchar[]"))
+    photo_path: Mapped[str | None] = mapped_column(Text)
+    gps_lat: Mapped[float | None] = mapped_column(Float)
+    gps_lng: Mapped[float | None] = mapped_column(Float)
     status: Mapped[str] = mapped_column(String(20), server_default="pending")
     priority: Mapped[str] = mapped_column(String(10), server_default="medium")
     due_date: Mapped[datetime | None] = mapped_column(TIMESTAMP(timezone=True))