fix: 修复聊天排队和每日额度重置

ai_knowledge_base_v2/apps/backend/alembic/versions/0004_daily_chat_reset_date.py

@@ -0,0 +1,17 @@
+from __future__ import annotations
+
+from alembic import op
+import sqlalchemy as sa
+
+revision = "0004_daily_chat_reset_date"
+down_revision = "0003_ai_log_retrieved_chunks"
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.add_column("sys_user", sa.Column("daily_chat_reset_date", sa.Date(), nullable=True))
+
+
+def downgrade() -> None:
+    op.drop_column("sys_user", "daily_chat_reset_date")