fix: add preview to delete response for MCP server compatibility

src/claude_memory/api/app.py

@@ -200,7 +200,7 @@ async def delete_memory(memory_id: int, user: AuthUser = Depends(get_current_use
 
     async with pool.acquire() as conn:
         row = await conn.fetchrow(
-            "SELECT id, vault_path FROM memories WHERE id = $1 AND user_id = $2",
+            "SELECT id, vault_path, substr(content, 1, 50) AS preview FROM memories WHERE id = $1 AND user_id = $2",
             memory_id,
             user.user_id,
         )
@@ -216,7 +216,7 @@ async def delete_memory(memory_id: int, user: AuthUser = Depends(get_current_use
             user.user_id,
         )
 
-    return {"deleted": memory_id}
+    return {"deleted": memory_id, "preview": row["preview"]}
 
 
 @app.post("/api/memories/{memory_id}/secret", response_model=SecretResponse)

tests/test_api.py

@@ -194,7 +194,7 @@ async def test_list_returns_only_user_memories(client):
 @pytest.mark.asyncio
 async def test_delete_only_user_memories(client):
     ac, conn, app_mod = client
-    conn.fetchrow.return_value = _make_memory_row(id=10, vault_path=None)
+    conn.fetchrow.return_value = _make_memory_row(id=10, vault_path=None, preview="test content")
     conn.execute.return_value = None
 
     async with ac:
@@ -204,7 +204,9 @@ async def test_delete_only_user_memories(client):
         )
 
     assert resp.status_code == 200
-    assert resp.json() == {"deleted": 10}
+    data = resp.json()
+    assert data["deleted"] == 10
+    assert "preview" in data
 
     # Verify both SELECT and DELETE include user_id
     fetchrow_args = conn.fetchrow.call_args