kin: auto-commit after pipeline

core/models.py

@@ -473,12 +473,14 @@ def create_pipeline(
     project_id: str,
     route_type: str,
     steps: list | dict,
+    parent_pipeline_id: int | None = None,
+    department: str | None = None,
 ) -> dict:
     """Create a new pipeline run."""
     cur = conn.execute(
-        """INSERT INTO pipelines (task_id, project_id, route_type, steps)
-           VALUES (?, ?, ?, ?)""",
-        (task_id, project_id, route_type, _json_encode(steps)),
+        """INSERT INTO pipelines (task_id, project_id, route_type, steps, parent_pipeline_id, department)
+           VALUES (?, ?, ?, ?, ?, ?)""",
+        (task_id, project_id, route_type, _json_encode(steps), parent_pipeline_id, department),
     )
     conn.commit()
     row = conn.execute(
@@ -923,6 +925,68 @@ def delete_attachment(conn: sqlite3.Connection, attachment_id: int) -> bool:
     return cur.rowcount > 0
 
 
+# ---------------------------------------------------------------------------
+# Department Handoffs (KIN-098)
+# ---------------------------------------------------------------------------
+
+def create_handoff(
+    conn: sqlite3.Connection,
+    pipeline_id: int,
+    task_id: str,
+    from_department: str,
+    to_department: str | None = None,
+    artifacts: dict | None = None,
+    decisions_made: list | None = None,
+    blockers: list | None = None,
+    status: str = "pending",
+) -> dict:
+    """Record a department handoff with artifacts for inter-department context."""
+    cur = conn.execute(
+        """INSERT INTO department_handoffs
+           (pipeline_id, task_id, from_department, to_department, artifacts, decisions_made, blockers, status)
+           VALUES (?, ?, ?, ?, ?, ?, ?, ?)""",
+        (pipeline_id, task_id, from_department, to_department,
+         _json_encode(artifacts), _json_encode(decisions_made), _json_encode(blockers), status),
+    )
+    conn.commit()
+    row = conn.execute(
+        "SELECT * FROM department_handoffs WHERE id = ?", (cur.lastrowid,)
+    ).fetchone()
+    return _row_to_dict(row)
+
+
+def get_handoffs_for_task(conn: sqlite3.Connection, task_id: str) -> list[dict]:
+    """Get all handoffs for a task ordered by creation time."""
+    rows = conn.execute(
+        "SELECT * FROM department_handoffs WHERE task_id = ? ORDER BY created_at",
+        (task_id,),
+    ).fetchall()
+    return _rows_to_list(rows)
+
+
+def get_last_handoff(
+    conn: sqlite3.Connection,
+    task_id: str,
+    to_department: str | None = None,
+) -> dict | None:
+    """Get the most recent handoff for a task, optionally filtered by destination department."""
+    if to_department:
+        row = conn.execute(
+            """SELECT * FROM department_handoffs
+               WHERE task_id = ? AND to_department = ?
+               ORDER BY created_at DESC LIMIT 1""",
+            (task_id, to_department),
+        ).fetchone()
+    else:
+        row = conn.execute(
+            """SELECT * FROM department_handoffs
+               WHERE task_id = ?
+               ORDER BY created_at DESC LIMIT 1""",
+            (task_id,),
+        ).fetchone()
+    return _row_to_dict(row)
+
+
 def get_chat_messages(
     conn: sqlite3.Connection,
     project_id: str,