diff --git a/backend/app/db/models/tasks.py b/backend/app/db/models/tasks.py
index db1b7c04f..373a16b33 100644
--- a/backend/app/db/models/tasks.py
+++ b/backend/app/db/models/tasks.py
@@ -25,6 +25,11 @@ class Task(SQLModel, table=True):
     job_completed: Optional[datetime] = None
     status: str = Field(default="In Progress")
     service: Optional[str] = None
+    # FE-owned column (Drizzle migration): the app stores a task's original
+    # request here — for a Modelling Run, the full trigger-run payload
+    # (ADR-0055). The backend reads it at most; per-batch inputs live on the
+    # sub_tasks.
+    inputs: Optional[str] = None
     updated_at: datetime = Field(default_factory=datetime.utcnow)
 
     # source: Mapped[Optional[SourceEnum]] = mapped_column(Enum(SourceEnum)) <- SQLAlchemy not SQLModel