diff --git a/backend/app/api/todos.py b/backend/app/api/todos.py
index f03392b..61e26fc 100644
--- a/backend/app/api/todos.py
+++ b/backend/app/api/todos.py
@@ -25,7 +25,7 @@ async def list_todos(
 ):
     conditions = []
     if domain:
-        conditions.append(TodoItem.domain == domain)
+        conditions.append(TodoItem.domains.contains([domain]))
     if status:
         conditions.append(TodoItem.status == status)
     if priority:
diff --git a/backend/app/models/todos.py b/backend/app/models/todos.py
index 1887d1e..754c74c 100644
--- a/backend/app/models/todos.py
+++ b/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))
diff --git a/backend/app/schemas/todos.py b/backend/app/schemas/todos.py
index 6666bd9..104b2e6 100644
--- a/backend/app/schemas/todos.py
+++ b/backend/app/schemas/todos.py
@@ -8,24 +8,30 @@ class TodoCreate(BaseModel):
     title: str
     body: str | None = None
     url: str | None = None
-    domain: str | None = None
+    domains: list[str] = Field(default_factory=list)
     category: str | None = None
     tags: list[str] = Field(default_factory=list)
     status: Literal["pending", "done", "cancelled"] = "pending"
     priority: Literal["low", "medium", "high"] = "medium"
     due_date: datetime | None = None
+    photo_path: str | None = None
+    gps_lat: float | None = None
+    gps_lng: float | None = None
 
 
 class TodoUpdate(BaseModel):
     title: str | None = None
     body: str | None = None
     url: str | None = None
-    domain: str | None = None
+    domains: list[str] | None = None
     category: str | None = None
     tags: list[str] | None = None
     status: Literal["pending", "done", "cancelled"] | None = None
     priority: Literal["low", "medium", "high"] | None = None
     due_date: datetime | None = None
+    photo_path: str | None = None
+    gps_lat: float | None = None
+    gps_lng: float | None = None
 
 
 class PostponeRequest(BaseModel):
@@ -39,7 +45,7 @@ class TodoResponse(BaseModel):
     title: str
     body: str | None
     url: str | None
-    domain: str | None
+    domains: list[str]
     category: str | None
     tags: list[str]
     status: str
@@ -49,3 +55,6 @@ class TodoResponse(BaseModel):
     created_at: datetime
     updated_at: datetime | None
     owner_id: uuid.UUID | None
+    photo_path: str | None
+    gps_lat: float | None
+    gps_lng: float | None
diff --git a/backend/tests/test_todos.py b/backend/tests/test_todos.py
index 83bf50d..ba1c433 100644
--- a/backend/tests/test_todos.py
+++ b/backend/tests/test_todos.py
@@ -13,7 +13,7 @@ async def cleanup(db_session):
 async def test_creer_todo(client):
     resp = await client.post("/api/todos/", json={
         "title": "TEST_tâche simple",
-        "domain": "informatique",
+        "domains": ["informatique"],
         "priority": "high",
     })
     assert resp.status_code == 201
@@ -22,6 +22,7 @@ async def test_creer_todo(client):
     assert data["status"] == "pending"
     assert data["postponed_count"] == 0
     assert data["tags"] == []
+    assert data["domains"] == ["informatique"]
 
 
 async def test_lister_todos_filtre_status(client):
@@ -36,8 +37,8 @@ async def test_lister_todos_filtre_status(client):
 
 
 async def test_lister_todos_filtre_domaine(client):
-    await client.post("/api/todos/", json={"title": "TEST_info", "domain": "informatique"})
-    await client.post("/api/todos/", json={"title": "TEST_jardin", "domain": "jardin"})
+    await client.post("/api/todos/", json={"title": "TEST_info", "domains": ["informatique"]})
+    await client.post("/api/todos/", json={"title": "TEST_jardin", "domains": ["jardin"]})
 
     resp = await client.get("/api/todos/?domain=informatique&status=")
     assert resp.status_code == 200