++

backend/app/db/store.py

@@ -78,6 +78,23 @@ class SimulationStore:
             await db.execute(f"UPDATE simulations SET {', '.join(sets)} WHERE id = ?", vals)
             await db.commit()
 
+    async def sweep_orphan_running_sims(self) -> int:
+        """Mark any 'running' simulations as 'interrupted' on startup.
+
+        Running simulations live only in the current process — there is no
+        supervisor that resumes them after a restart. If we don't sweep them,
+        their status would stay 'running' forever and the report endpoint
+        would never return a terminal state.
+
+        Returns the number of sims swept.
+        """
+        async with aiosqlite.connect(self.global_db_path) as db:
+            cursor = await db.execute(
+                "UPDATE simulations SET status = 'interrupted' WHERE status = 'running'"
+            )
+            await db.commit()
+            return cursor.rowcount or 0
+
     async def get_simulation(self, sim_id: str) -> dict | None:
         async with aiosqlite.connect(self.global_db_path) as db:
             db.row_factory = aiosqlite.Row
@@ -238,6 +255,12 @@ class SimulationStore:
             await db.execute("UPDATE simulations SET is_public = 1 WHERE id = ?", (sim_id,))
             await db.commit()
 
+    async def unpublish(self, sim_id: str) -> None:
+        """Remove a simulation from the gallery without deleting its data."""
+        async with aiosqlite.connect(self.global_db_path) as db:
+            await db.execute("UPDATE simulations SET is_public = 0 WHERE id = ?", (sim_id,))
+            await db.commit()
+
     async def copy_state_at_round(self, source_sim_id: str, target_sim_id: str, round_num: int) -> None:
         await self._init_sim_db(target_sim_id)
         src_db_path = self._sim_db_path(source_sim_id)