# apps/api/alembic/versions
dir: apps/api/alembic/versions

index: apps/api/alembic/versions/.pi-map.index.md

## role
Contains sequential Alembic database migration scripts that evolve the API's relational schema over time, tracking structural changes from initial tables through complex features like tool instances, config profiles, workspaces, manifests, and monitoring.
## files
- 0001_initial_schema.py | Defines the initial database schema migration creating five tables (users, ssh_keys, projects, git_repositories, user_configs) with relationships, indexes, and constraints using Alembic. | dep: sqlalchemy, alembic, postgresql dialect
- 0002_refresh_tokens.py | Alembic database migration that creates a refresh_tokens table with indexes for user authentication token management | exp: func:upgrade() → None, call:op.get_bind, call:sa.inspect, call:inspector.has_table, call:op.create_table, call:sa.Column, call:postgresql.UUID, call:sa.String, call:sa.DateTime, call:sa.ForeignKeyConstraint, call:sa.PrimaryKeyConstraint, call:sa.UniqueConstraint, call:inspector.get_indexes, call:op.f, call:op.create_index, func:downgrade() → None, call:op.get_bind, call:sa.inspect, call:inspector.has_table, call:inspector.get_indexes, call:op.f, call:op.drop_index, call:op.drop_table | dep: alembic, sqlalchemy.dialects, sqlalchemy, sqlalchemy.dialects.postgresql
- 0003_user_configs.py | Alembic database migration that creates a user_configs table with JSON configuration storage linked to users | exp: func:upgrade() → None, call:op.create_table, call:sa.Column, call:sa.UUID, call:sa.JSON, call:sa.DateTime, call:sa.text, call:sa.ForeignKeyConstraint, call:sa.PrimaryKeyConstraint, call:sa.UniqueConstraint, func:downgrade() → None, call:op.drop_table | dep: typing, alembic, sqlalchemy
- 0004_tool_types.py | Alembic database migration that creates a tool_types table with metadata, templates, and versioning columns for a tool management system. | exp: func:upgrade() → None, call:op.create_table, call:sa.Column, call:sa.Uuid, call:sa.String, call:sa.Text, call:sa.JSON, call:sa.Boolean, call:sa.ForeignKey, call:sa.DateTime, call:sa.text, func:downgrade() → None, call:op.drop_table | dep: typing, alembic, sqlalchemy
- 0005_ssh_keys_timestamps.py | Alembic database migration that adds created_at and updated_at timestamp columns to the ssh_keys table | exp: func:upgrade() → None, call:op.add_column, call:sa.Column, call:sa.DateTime, call:sa.text, func:downgrade() → None, call:op.drop_column | dep: typing, alembic, sqlalchemy
- 0006_tool_instances.py | Alembic database migration that creates a tool_instances table with columns for tracking deployed tool instances, their status, container info, and foreign key relationships to tool_types, git_repositories, projects, and users. | exp: func:upgrade() → None, call:op.create_table, call:sa.Column, call:postgresql.UUID, call:sa.text, call:sa.String, call:sa.Integer, call:sa.DateTime, call:sa.ForeignKeyConstraint, call:sa.PrimaryKeyConstraint, call:op.create_index, func:downgrade() → None, call:op.drop_index, call:op.drop_table | dep: typing, alembic, sqlalchemy.dialects, sqlalchemy, sqlalchemy.dialects.postgresql
- 0007_instance_container_name.py | Alembic database migration that adds a nullable container_name column to the tool_instances table | exp: func:upgrade() → None, call:op.add_column, call:sa.Column, call:sa.String, func:downgrade() → None, call:op.drop_column | dep: typing, alembic, sqlalchemy
- 0008_tool_type_category.py | Alembic database migration that adds `category` and `interfaces` columns to the `tool_types` table | exp: func:upgrade() → None, call:op.add_column, call:sa.Column, call:sa.String, call:sa.JSON, func:downgrade() → None, call:op.drop_column | dep: typing, alembic, sqlalchemy
- 0009_tool_configs.py | Alembic database migration that creates a tool_configs table with UUID keys, foreign key relationships, and indexes for storing user/project tool configuration settings. | exp: func:upgrade() → None, call:op.create_table, call:sa.Column, call:postgresql.UUID, call:sa.text, call:sa.String, call:sa.Text, call:sa.DateTime, call:sa.ForeignKeyConstraint, call:sa.PrimaryKeyConstraint, call:op.create_index, func:downgrade() → None, call:op.drop_index, call:op.drop_table | dep: typing, alembic, sqlalchemy.dialects, sqlalchemy, postgresql dialect
- 0010_tool_type_default_port.py | Alembic database migration that adds a nullable default_port column to the tool_types table. | exp: func:upgrade() → None, call:op.add_column, call:sa.Column, call:sa.Integer, func:downgrade() → None, call:op.drop_column | dep: typing, alembic, sqlalchemy
- 0011_tool_instance_tunnel_fields.py | Alembic database migration that adds tunnel-related fields (public_url and tunnel_id) to the tool_instances table | exp: func:upgrade() → None, call:op.add_column, call:sa.Column, call:sa.String, func:downgrade() → None, call:op.drop_column | dep: typing, alembic, sqlalchemy
- 0012_default_port_req.py | Alembic database migration that populates null default_port values for existing tool types and then makes the column non-nullable | exp: func:upgrade() → None, call:op.execute, call:op.alter_column, call:sa.Integer, func:downgrade() → None, call:op.alter_column, call:sa.Integer | dep: typing, alembic, sqlalchemy
- 0013_add_config_profiles.py | Alembic database migration that adds config profiles, includes, mounts tables and links tool instances to profiles with defensive idempotent checks | exp: func:_table_exists(table_name: str) → bool, call:sa.inspect(op.get_bind()).has_table, call:op.get_bind, func:_column_exists(table_name: str, column_name: str) → bool, call:_table_exists, call:sa.inspect(op.get_bind()).get_columns, call:op.get_bind, func:_index_exists(table_name: str, index_name: str) → bool, call:_table_exists, call:sa.inspect(op.get_bind()).get_indexes, call:op.get_bind, func:_foreign_key_exists(table_name: str, constrained_columns: list[str], referred_table: str) → bool, call:_table_exists, call:sa.inspect(op.get_bind()).get_foreign_keys, call:op.get_bind, call:foreign_key.get, func:upgrade() → None, call:_table_exists, call:op.create_table, call:sa.Column, call:postgresql.UUID, call:sa.String, call:sa.Text, call:sa.DateTime, call:sa.text, call:sa.ForeignKeyConstraint, call:sa.PrimaryKeyConstraint, call:sa.UniqueConstraint, call:_index_exists, call:op.create_index, call:sa.Integer, call:_column_exists, call:op.add_column, call:_foreign_key_exists, call:op.create_foreign_key, func:downgrade() → None, call:op.drop_index, call:op.drop_constraint, call:op.drop_column, call:op.drop_table | dep: collections.abc, alembic, sqlalchemy.dialects, sqlalchemy, sqlalchemy.dialects.postgresql
- 0013_add_probe_result.py | Alembic database migration that adds a JSON probe_result column to the tool_instances table | exp: func:upgrade() → None, call:op.add_column, call:sa.Column, func:downgrade() → None, call:op.drop_column | dep: typing, alembic, sqlalchemy.dialects, sqlalchemy, sqlalchemy.dialects.postgresql
- 0014_add_profile_resolver_fields.py | Alembic database migration that adds profile resolver fields (project_id, tool_type_id, environment_variables, etc.) to config_profiles table and restructures config_mounts table (renaming mount_path to target_path, adding mode/files, removing content/source_profile_id). | exp: func:_table_exists(table_name: str) → bool, call:sa.inspect(op.get_bind()).has_table, call:op.get_bind, func:_column_exists(table_name: str, column_name: str) → bool, call:_table_exists, call:sa.inspect(op.get_bind()).get_columns, call:op.get_bind, func:_index_exists(table_name: str, index_name: str) → bool, call:_table_exists, call:sa.inspect(op.get_bind()).get_indexes, call:op.get_bind, func:_foreign_key_exists(table_name: str, constrained_columns: list[str], referred_table: str) → bool, call:_table_exists, call:sa.inspect(op.get_bind()).get_foreign_keys, call:op.get_bind, call:foreign_key.get, func:_foreign_key_names_for_column(table_name: str, column_name: str) → list[str], call:_table_exists, call:sa.inspect(op.get_bind()).get_foreign_keys, call:op.get_bind, call:foreign_key.get, call:names.append, func:upgrade() → None, call:_column_exists, call:op.add_column, call:sa.Column, call:postgresql.UUID, call:sa.JSON, call:sa.Text, call:sa.Integer, call:sa.Boolean, call:_foreign_key_exists, call:op.create_foreign_key, call:_index_exists, call:op.create_index, call:op.alter_column, call:sa.String, call:_foreign_key_names_for_column, call:op.drop_constraint, call:op.drop_column, func:downgrade() → None, call:op.add_column, call:sa.Column, call:postgresql.UUID, call:sa.Text, call:op.drop_column, call:op.alter_column, call:op.drop_index, call:op.drop_constraint | dep: collections.abc, alembic, sqlalchemy.dialects, sqlalchemy, sqlalchemy.dialects.postgresql
- 0014_merge_heads.py | Alembic merge migration that reconciles two divergent migration branches into a single history line | exp: func:upgrade() → None, func:downgrade() → None | dep: typing, alembic
- 0015_single_interface.py | Alembic database migration that replaces a JSON array `interfaces` column with `interface_type` string and `requires_port` boolean columns in the `tool_types` table, with dialect-specific data migration for PostgreSQL and SQLite. | exp: func:_get_dialect() → str, call:op.get_bind, func:upgrade() → None, call:_get_dialect, call:op.add_column, call:sa.Column, call:sa.String, call:sa.Boolean, call:op.execute, call:op.alter_column, call:op.drop_column, call:op.create_check_constraint, call:sa.text, func:downgrade() → None, call:_get_dialect, call:op.drop_constraint, call:op.add_column, call:sa.Column, call:postgresql.JSONB, call:sa.Text, call:op.execute, call:sa.JSON, call:op.drop_column | dep: typing, alembic, sqlalchemy.dialects, sqlalchemy, postgresql (dialect)
- 069d3da4dc9b_add_ssh_key_id_to_config_profiles.py | Alembic database migration that adds a nullable UUID foreign key column `ssh_key_id` to the `config_profiles` table referencing `ssh_keys.id` with SET NULL on delete | exp: func:upgrade() → None, call:op.add_column, call:sa.Column, call:sa.Uuid, call:sa.ForeignKey, func:downgrade() → None, call:op.drop_column | dep: alembic, sqlalchemy
- 20260527160017_add_pi_agent_tool_type.py | Alembic database migration that adds a new "pi-agent" tool type with terminal-based Docker environment for the Pi coding agent | exp: func:upgrade() → None, call:op.get_bind, call:conn.execute( sa.text("SELECT id FROM tool_types WHERE name = 'pi-agent'") ).fetchone, call:sa.text, call:json.dumps, func:downgrade() → None, call:op.get_bind, call:conn.execute, call:sa.text | dep: json, typing, alembic, uuid, sqlalchemy
- 2026_05_22_add_clone_mode.py | Alembic database migration that adds ssh_key_id foreign key to git_repositories table and clone_mode/branch columns to tool_instances table | exp: func:upgrade() → None, call:op.add_column, call:sa.Column, call:postgresql.UUID, call:op.create_foreign_key, call:sa.String, func:downgrade() → None, call:op.drop_column, call:op.drop_constraint | dep: alembic, sqlalchemy.dialects, sqlalchemy, sqlalchemy.dialects.postgresql
- 2026_05_23_remove_is_builtin.py | Alembic database migration to remove the `is_builtin` column from the `tool_types` table | exp: func:upgrade() → None, call:op.execute, func:downgrade() → None, call:op.add_column, call:sa.Column, call:sa.Boolean | dep: alembic, sqlalchemy
- 2026_05_24_220141_add_startup_command.py | Alembic database migration that adds a nullable `startup_command` text column to the `tool_types` table. | exp: func:upgrade() → None, call:op.add_column, call:sa.Column, call:sa.Text, func:downgrade() → None, call:op.drop_column | dep: typing, alembic, sqlalchemy
- 2026_05_24_add_config_profiles.py | Alembic database migration that creates config_profiles and config_profile_includes tables with indexes, and adds a foreign key column to tool_instances for managing user configuration profiles. | exp: func:upgrade() → None, call:op.create_table, call:sa.Column, call:postgresql.UUID, call:sa.text, call:sa.ForeignKey, call:sa.String, call:sa.Text, call:postgresql.JSONB, call:sa.Boolean, call:sa.DateTime, call:sa.PrimaryKeyConstraint, call:sa.UniqueConstraint, call:op.create_index, call:sa.Integer, call:op.add_column, func:downgrade() → None, call:op.drop_index, call:op.drop_column, call:op.drop_table | dep: typing, alembic, sqlalchemy.dialects, sqlalchemy, postgresql dialect
- 2026_05_26_add_git_mounts.py | Alembic database migration that adds a git_mounts JSON column to the config_profiles table | exp: func:upgrade() → None, call:op.add_column, call:sa.Column, call:sa.JSON, func:downgrade() → None, call:op.drop_column | dep: typing, alembic, sqlalchemy
- 2026_05_27_external_repos.py | Alembic database migration that makes project_id nullable in git_repositories table to support external repositories and expands alembic_version version_num column to 64 characters. | exp: func:upgrade() → None, call:op.execute, call:op.alter_column, call:sa.UUID, func:downgrade() → None, call:op.alter_column, call:sa.UUID, call:op.execute | dep: typing, alembic, sqlalchemy
- 2026_05_28_add_monitoring_tables.py | Alembic database migration that creates monitoring tables (instance_events and health_checks) with indexes for tracking tool instance events and health checks | exp: func:upgrade() → None, call:op.create_table, call:sa.Column, call:sa.Uuid, call:sa.String, call:sa.Text, call:sa.JSON, call:sa.DateTime, call:sa.func.now, call:sa.ForeignKeyConstraint, call:sa.PrimaryKeyConstraint, call:op.create_index, call:sa.Boolean, call:sa.Integer, func:downgrade() → None, call:op.drop_index, call:op.drop_table | dep: collections.abc, alembic, sqlalchemy
- 2026_05_28_add_terminal_sessions_table.py | Alembic database migration that creates a terminal_sessions table with tracking columns and foreign key to tool_instances | exp: func:upgrade() → None, call:op.create_table, call:sa.Column, call:sa.UUID, call:sa.String, call:sa.DateTime, call:sa.text, call:sa.ForeignKeyConstraint, call:sa.PrimaryKeyConstraint, call:op.create_index, call:op.f, func:downgrade() → None, call:op.drop_index, call:op.f, call:op.drop_table | dep: collections.abc, alembic, sqlalchemy
- 2026_05_28_add_tool_definition_manifests.py | Alembic database migration that creates a tool_definition_manifests table, adds manifest-related columns to tool_types and tool_instances, and migrates the pi-agent tool from legacy dockerfile/compose templates to a JSON-based manifest system with a base Ubuntu image definition. | exp: func:upgrade() → None, call:op.get_bind, call:op.create_table, call:sa.Column, call:sa.UUID, call:sa.String, call:sa.Text, call:sa.JSON, call:sa.Boolean, call:sa.TIMESTAMP, call:sa.func.now, call:sa.PrimaryKeyConstraint, call:sa.UniqueConstraint, call:sa.ForeignKeyConstraint, call:sa.CheckConstraint, call:conn.execute, call:sa.text, call:result.fetchone, call:op.add_column, call:op.create_foreign_key, call:op.drop_constraint, call:op.execute, call:json.dumps, call:str, func:downgrade() → None, call:op.get_bind, call:conn.execute, call:sa.text, call:result.fetchone, call:op.drop_column, call:op.drop_constraint, call:op.drop_table | dep: json, uuid, typing, alembic, sqlalchemy
- 2026_05_28_drop_tool_configs_and_config_folders.py | Alembic database migration that drops `tool_configs` and `config_folders` tables with conditional existence checks and full downgrade recreation | exp: func:upgrade() → None, call:op.get_bind, call:conn.execute, call:sa.text, call:result.fetchone, call:op.drop_table, func:downgrade() → None, call:op.create_table, call:sa.Column, call:sa.UUID, call:sa.String, call:sa.Text, call:sa.JSON, call:sa.Boolean, call:sa.TIMESTAMP, call:sa.func.now, call:sa.PrimaryKeyConstraint, call:sa.Integer | dep: typing, alembic, sqlalchemy
- 2026_05_29_add_notifications_table.py | Alembic database migration that creates a notifications table with user-linked, categorized, severity-graded messages supporting read/dismissed tracking and optimized querying indexes. | exp: func:upgrade() → None, call:op.create_table, call:sa.Column, call:sa.Uuid, call:sa.String, call:sa.Text, call:sa.JSON, call:sa.DateTime, call:sa.func.now, call:sa.ForeignKeyConstraint, call:sa.PrimaryKeyConstraint, call:op.create_index, call:sa.text, func:downgrade() → None, call:op.drop_index, call:op.drop_table | dep: collections.abc, alembic, sqlalchemy
- 2026_05_29_add_ssh_key_ids_to_tool_instances.py | Alembic database migration that adds a JSON column named ssh_key_ids to the tool_instances table | exp: func:upgrade() → None, call:op.add_column, call:sa.Column, call:sa.JSON, func:downgrade() → None, call:op.drop_column | dep: alembic, sqlalchemy
- 2026_05_29_drop_ssh_key_id_from_config_profiles.py | Alembic database migration that removes the ssh_key_id column from the config_profiles table | exp: func:upgrade() → None, call:op.drop_column, func:downgrade() → None, call:op.add_column, call:sa.Column, call:sa.Uuid, call:sa.ForeignKey | dep: alembic, sqlalchemy
- 2026_05_29_fix_code_server_bind_addr.py | Alembic database migration that fixes code-server tool type compose templates by replacing deprecated `--bind-addr` flag with `--host` flag | exp: func:upgrade() → None, call:op.get_bind, call:conn.execute( sa.text(""" SELECT id, compose_template FROM tool_types WHERE name = 'code-server' AND compose_template LIKE '%--bind-addr%' """) ).fetchall, call:sa.text, call:compose_template.replace( "--bind-addr 0.0.0.0:8443", "--host 0.0.0.0" ).replace, call:print, func:downgrade() → None | dep: typing, alembic, sqlalchemy
- 2026_05_29_fix_code_server_bind_addr_port.py | Alembic database migration that fixes code-server Docker compose templates and instance files by replacing broken `--host` flags with correct `--bind-addr 0.0.0.0:port` configurations | exp: func:_fix_tool_type_templates(conn) → None, call:conn.execute( sa.text(""" SELECT id, compose_template, default_port FROM tool_types WHERE name = 'code-server' AND compose_template LIKE '%--host%' """) ).fetchall, call:sa.text, call:compose_template.split, call:len, call:line.lstrip, call:new_lines.append, call:"\n".join, call:print, func:_fix_instance_compose_files(conn) → None, call:conn.execute( sa.text(""" SELECT column_name FROM information_schema.columns WHERE table_name = 'tool_instances' AND column_name = 'compose_path' """) ).fetchone, call:sa.text, call:print, call:conn.execute( sa.text(""" SELECT id, compose_path, tool_type_id FROM tool_instances WHERE compose_path IS NOT NULL """) ).fetchall, call:Path, call:path.exists, call:path.read_text, call:conn.execute( sa.text(""" SELECT default_port FROM tool_types WHERE id = :id """), {"id": tool_type_id}, ).fetchone, call:yaml.safe_load, call:data["services"].values, call:path.write_text, call:yaml.dump, func:upgrade() → None, call:op.get_bind, call:_fix_tool_type_templates, call:_fix_instance_compose_files, func:downgrade() → None | dep: typing, alembic, yaml, pathlib, sqlalchemy
- 2026_05_29_fix_web_tool_bind_address.py | Alembic database migration that updates code-server and jupyter-notebook tool type compose templates to bind to 0.0.0.0 | exp: func:_fix_code_server_compose(conn) → None, call:conn.execute( sa.text(""" SELECT id, compose_template, definition_type FROM tool_types WHERE name = 'code-server' """) ).fetchone, call:sa.text, call:compose_template.split, call:enumerate, call:len, call:line.lstrip, call:new_lines.append, call:image_line.lstrip, call:new_lines.index, call:new_lines.insert, call:"\n".join, call:print, func:_fix_jupyter_compose(conn) → None, call:conn.execute( sa.text(""" SELECT id, compose_template, definition_type FROM tool_types WHERE name = 'jupyter-notebook' """) ).fetchone, call:sa.text, call:compose_template.split, call:enumerate, call:new_lines.append, call:len, call:line.lstrip, call:"\n".join, call:print, func:upgrade() → None, call:op.get_bind, call:_fix_code_server_compose, call:_fix_jupyter_compose, func:downgrade() → None | dep: typing, alembic, sqlalchemy
- 2026_05_29_remove_lsio_command_override.py | Alembic database migration that removes broken command overrides containing --bind-addr or --host flags from LinuxServer.io code-server Docker Compose templates in both database tool_types records and on-disk instance compose files. | exp: func:upgrade() → None, call:op.get_bind, call:conn.execute( sa.text(""" SELECT id, compose_template FROM tool_types WHERE name = 'code-server' """) ).fetchall, call:sa.text, call:yaml.safe_load, call:data["services"].values, call:svc.get, call:yaml.dump, call:print, call:conn.execute( sa.text(""" SELECT column_name FROM information_schema.columns WHERE table_name = 'tool_instances' AND column_name = 'compose_path' """) ).fetchone, call:conn.execute( sa.text(""" SELECT id, compose_path FROM tool_instances WHERE compose_path IS NOT NULL """) ).fetchall, call:Path, call:path.exists, call:path.read_text, call:path.write_text, func:downgrade() → None | dep: collections.abc, alembic, yaml, pathlib, sqlalchemy, pathlib.Path, information_schema
- 2026_05_29_remove_ssh_keys_mount_from_manifest.py | Alembic database migration that removes (or restores) the ssh_keys mount from a JSON manifest stored in the tool_definition_manifests table for the pi-agent tool definition. | exp: func:upgrade() → None, call:op.get_bind, call:conn.execute, call:sa.text, call:result.fetchone, call:isinstance, call:json.loads, call:manifest.get, call:len, call:m.get, call:json.dumps, func:downgrade() → None, call:op.get_bind, call:conn.execute, call:sa.text, call:result.fetchone, call:isinstance, call:json.loads, call:manifest.get, call:any, call:m.get, call:mounts.append, call:json.dumps | dep: json, typing, alembic, sqlalchemy
- 2026_06_01_add_workspaces.py | Alembic database migration that creates a workspaces table with foreign keys to git_repositories and users, adds indexes, and adds a workspace_id column to tool_instances | exp: func:upgrade() → None, call:op.create_table, call:sa.Column, call:sa.Uuid, call:sa.String, call:sa.ForeignKey, call:sa.DateTime, call:sa.text, call:sa.UniqueConstraint, call:op.create_index, call:op.add_column, func:downgrade() → None, call:op.drop_index, call:op.drop_column, call:op.drop_table | dep: collections.abc, alembic, sqlalchemy
- 2026_06_13_make_clone_mode_nullable.py | Alembic database migration that makes the `clone_mode` column in `tool_instances` table nullable to support workspace-first cleanup workflow. | exp: func:upgrade() → None, call:op.alter_column, call:sa.String, func:downgrade() → None, call:op.alter_column, call:sa.String | dep: alembic, sqlalchemy
- 398082499c30_add_tool_config_fields.py | Alembic database migration that adds five new columns (port_override, start_command, working_directory, environment_variables, volumes) to the tool_configs table with a port range check constraint. | exp: func:upgrade() → None, call:op.add_column, call:sa.Column, call:sa.Integer, call:sa.Text, call:postgresql.JSONB, call:op.create_check_constraint, call:sa.text, func:downgrade() → None, call:op.drop_constraint, call:op.drop_column | dep: alembic, sqlalchemy.dialects, sqlalchemy, sqlalchemy.dialects.postgresql
- 6fc7bfcf199f_merge_remove_is_builtin_and_add_config_.py | Alembic database migration that merges two parallel revision branches (removing is_builtin and adding config_profiles) into a single history line | exp: func:upgrade() → None, func:downgrade() → None | dep: alembic
- 86cec91fdb00_merge_profile_resolver_and_workspaces_.py | Alembic database migration that merges two divergent migration branches (profile resolver and workspaces) into a single head | exp: func:upgrade() → None, func:downgrade() → None | dep: alembic
- 8c6d1dbd4798_remove_pi_config_and_state_mounts_from_.py | Alembic database migration that removes or restores pi_state and pi_config mounts from the pi-agent manifest stored in tool_definition_manifests table | exp: func:_load_manifest(manifest_json), call:isinstance, call:json.loads, func:upgrade() → None, call:op.get_bind, call:conn.execute, call:sa.text, call:result.fetchone, call:_load_manifest, call:manifest.get, call:len, call:m.get, call:json.dumps, func:downgrade() → None, call:op.get_bind, call:conn.execute, call:sa.text, call:result.fetchone, call:_load_manifest, call:manifest.get, call:m.get, call:mounts.append, call:json.dumps | dep: json, alembic, sqlalchemy
- 8ed7dd80973d_create_config_folders_table.py | Alembic database migration that creates a config_folders table with user-owned configuration folders supporting JSONB file storage and project overrides | exp: func:upgrade() → None, call:op.create_table, call:sa.Column, call:postgresql.UUID, call:sa.text, call:sa.ForeignKey, call:sa.String, call:sa.Text, call:postgresql.JSONB, call:sa.Boolean, call:sa.DateTime, call:sa.UniqueConstraint, call:op.create_index, func:downgrade() → None, call:op.drop_index, call:op.drop_table | dep: alembic, sqlalchemy.dialects, sqlalchemy, sqlalchemy.dialects.postgresql
- af8512103d67_add_tool_type_fields.py | Alembic database migration that adds new columns (definition_type, dockerfile_template, build_context, readiness_probe) to the tool_types table with a CHECK constraint on definition_type. | exp: func:upgrade() → None, call:op.add_column, call:sa.Column, call:sa.String, call:sa.Text, call:postgresql.JSONB, call:op.create_check_constraint, call:sa.text, func:downgrade() → None, call:op.drop_constraint, call:op.drop_column | dep: alembic, sqlalchemy.dialects, sqlalchemy, sqlalchemy.dialects.postgresql
- f3d2dc90ba3a_merge_single_interface_and_clone_mode.py | Alembic database migration that merges two prior revisions (single_interface and clone_mode) into a single migration path | exp: func:upgrade() → None, func:downgrade() → None | dep: typing, alembic
## arch
Linear migration history with periodic merge heads to reconcile divergent branches; each migration is self-contained with upgrade/downgrade operations, using declarative SQLAlchemy operations, conditional checks for idempotency, and occasional data migrations alongside schema changes.
## tags
column, table, call:op.drop, alembic, downgrade, upgrade, key, call:sa.text
## symbols
- upgrade
- downgrade
- _table_exists
- _column_exists
- _index_exists
- _foreign_key_exists
- _foreign_key_names_for_column
- _get_dialect
## workflows
- change versions behavior
  read: 0001_initial_schema.py, 0002_refresh_tokens.py, 0003_user_configs.py
- change versions CLI
  read: 2026_05_24_220141_add_startup_command.py, 2026_05_29_remove_lsio_command_override.py
- change versions config
  read: 0003_user_configs.py, 0009_tool_configs.py, 0013_add_config_profiles.py
## dirty
-
