feature complete. "sorry for the convenience"

modified:   app.py
	new file:   migrations/versions/1ac5a8e0f577_user_session_table.py

migrations/versions/1ac5a8e0f577_user_session_table.py

@@ -0,0 +1,32 @@
+"""user session table
+
+Revision ID: 1ac5a8e0f577
+Revises: 38a330686a17
+Create Date: 2024-11-23 11:25:01.723169
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import sqlite
+
+# revision identifiers, used by Alembic.
+revision = '1ac5a8e0f577'
+down_revision = '38a330686a17'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    op.create_table('user_session',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('session_id', sa.String(length=128), nullable=False),
+    sa.Column('username', sa.String(length=128), nullable=True),
+    sa.Column('room_name', sa.String(length=128), nullable=True),
+    sa.Column('room_id', sa.Integer(), nullable=True),
+    sa.PrimaryKeyConstraint('id'),
+    sa.UniqueConstraint('session_id')
+    )
+
+
+def downgrade():
+    op.drop_table('user_session')