* Add migration

* Delete legacy from bot
* Clear old models
* Единый http клиент
* РАГ полечен

backend/alembic/versions/003_remove_embeddings_table.py

@@ -0,0 +1,33 @@
+"""Remove unused embeddings table
+
+Revision ID: 003
+Revises: 002
+Create Date: 2024-12-24 12:00:00.000000
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+revision = '003'
+down_revision = '002'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    op.drop_table('embeddings')
+
+
+def downgrade() -> None:
+    op.create_table(
+        'embeddings',
+        sa.Column('embedding_id', sa.dialects.postgresql.UUID(as_uuid=True), nullable=False),
+        sa.Column('document_id', sa.dialects.postgresql.UUID(as_uuid=True), nullable=False),
+        sa.Column('embedding', sa.dialects.postgresql.JSON(astext_type=sa.Text()), nullable=True),
+        sa.Column('model_version', sa.String(), nullable=True),
+        sa.Column('created_at', sa.DateTime(), nullable=False),
+        sa.ForeignKeyConstraint(['document_id'], ['documents.document_id'], ),
+        sa.PrimaryKeyConstraint('embedding_id')
+    )
+