Initial commit: Pixel AI comic/video creation platform

- FastAPI backend with SQLModel, Alembic migrations, AgentScope agents
- Next.js 15 frontend with React 19, Tailwind, Zustand, React Flow
- Multi-provider AI system (DashScope, Kling, MiniMax, Volcengine, OpenAI, etc.)
- All HTTP clients migrated from sync requests to async httpx
- Admin-managed API keys via environment variables
- SSRF vulnerability fixed in ensure_url()

backend/alembic/versions/72f609dd9e66_initial_schema.py

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+"""Initial schema
+
+Revision ID: 72f609dd9e66
+Revises: 
+Create Date: 2026-01-08 09:52:59.473436
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+import sqlmodel
+
+
+# revision identifiers, used by Alembic.
+revision: str = '72f609dd9e66'
+down_revision: Union[str, Sequence[str], None] = None
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('projects',
+    sa.Column('id', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+    sa.Column('name', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+    sa.Column('description', sqlmodel.sql.sqltypes.AutoString(), nullable=True),
+    sa.Column('type', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+    sa.Column('status', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+    sa.Column('created_at', sa.Float(), nullable=False),
+    sa.Column('updated_at', sa.Float(), nullable=False),
+    sa.Column('resolution', sqlmodel.sql.sqltypes.AutoString(), nullable=True),
+    sa.Column('ratio', sqlmodel.sql.sqltypes.AutoString(), nullable=True),
+    sa.Column('style_preset', sqlmodel.sql.sqltypes.AutoString(), nullable=True),
+    sa.Column('style_params', sa.JSON(), nullable=True),
+    sa.Column('chapters', sa.JSON(), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('tasks',
+    sa.Column('id', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+    sa.Column('type', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+    sa.Column('status', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+    sa.Column('created_at', sa.Float(), nullable=False),
+    sa.Column('updated_at', sa.Float(), nullable=False),
+    sa.Column('model', sqlmodel.sql.sqltypes.AutoString(), nullable=True),
+    sa.Column('params', sa.JSON(), nullable=True),
+    sa.Column('provider_task_id', sqlmodel.sql.sqltypes.AutoString(), nullable=True),
+    sa.Column('result', sa.JSON(), nullable=True),
+    sa.Column('error', sqlmodel.sql.sqltypes.AutoString(), nullable=True),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_table('assets',
+    sa.Column('id', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+    sa.Column('project_id', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+    sa.Column('type', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+    sa.Column('name', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+    sa.Column('desc', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+    sa.Column('tags', sa.JSON(), nullable=True),
+    sa.Column('image_url', sqlmodel.sql.sqltypes.AutoString(), nullable=True),
+    sa.Column('image_urls', sa.JSON(), nullable=True),
+    sa.Column('video_urls', sa.JSON(), nullable=True),
+    sa.Column('extra_data', sa.JSON(), nullable=True),
+    sa.Column('generations', sa.JSON(), nullable=True),
+    sa.ForeignKeyConstraint(['project_id'], ['projects.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_assets_project_id'), 'assets', ['project_id'], unique=False)
+    op.create_table('episodes',
+    sa.Column('id', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+    sa.Column('project_id', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+    sa.Column('order_index', sa.Integer(), nullable=False),
+    sa.Column('title', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+    sa.Column('desc', sqlmodel.sql.sqltypes.AutoString(), nullable=True),
+    sa.Column('content', sqlmodel.sql.sqltypes.AutoString(), nullable=True),
+    sa.Column('status', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+    sa.ForeignKeyConstraint(['project_id'], ['projects.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_episodes_project_id'), 'episodes', ['project_id'], unique=False)
+    op.create_table('storyboards',
+    sa.Column('id', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+    sa.Column('project_id', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+    sa.Column('episode_id', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+    sa.Column('order_index', sa.Integer(), nullable=False),
+    sa.Column('shot', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+    sa.Column('desc', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+    sa.Column('duration', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+    sa.Column('type', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+    sa.Column('scene_id', sqlmodel.sql.sqltypes.AutoString(), nullable=True),
+    sa.Column('character_ids', sa.JSON(), nullable=True),
+    sa.Column('prop_ids', sa.JSON(), nullable=True),
+    sa.Column('voiceover', sqlmodel.sql.sqltypes.AutoString(), nullable=True),
+    sa.Column('audio_desc', sqlmodel.sql.sqltypes.AutoString(), nullable=True),
+    sa.Column('audio_url', sqlmodel.sql.sqltypes.AutoString(), nullable=True),
+    sa.Column('camera_movement', sqlmodel.sql.sqltypes.AutoString(), nullable=True),
+    sa.Column('transition', sqlmodel.sql.sqltypes.AutoString(), nullable=True),
+    sa.Column('visual_anchor', sqlmodel.sql.sqltypes.AutoString(), nullable=True),
+    sa.Column('visual_dynamics', sqlmodel.sql.sqltypes.AutoString(), nullable=True),
+    sa.Column('director_note', sqlmodel.sql.sqltypes.AutoString(), nullable=True),
+    sa.Column('image_prompt', sqlmodel.sql.sqltypes.AutoString(), nullable=True),
+    sa.Column('video_script', sqlmodel.sql.sqltypes.AutoString(), nullable=True),
+    sa.Column('image_urls', sa.JSON(), nullable=True),
+    sa.Column('video_urls', sa.JSON(), nullable=True),
+    sa.Column('generations', sa.JSON(), nullable=True),
+    sa.ForeignKeyConstraint(['episode_id'], ['episodes.id'], ),
+    sa.ForeignKeyConstraint(['project_id'], ['projects.id'], ),
+    sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_storyboards_episode_id'), 'storyboards', ['episode_id'], unique=False)
+    op.create_index(op.f('ix_storyboards_project_id'), 'storyboards', ['project_id'], unique=False)
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index(op.f('ix_storyboards_project_id'), table_name='storyboards')
+    op.drop_index(op.f('ix_storyboards_episode_id'), table_name='storyboards')
+    op.drop_table('storyboards')
+    op.drop_index(op.f('ix_episodes_project_id'), table_name='episodes')
+    op.drop_table('episodes')
+    op.drop_index(op.f('ix_assets_project_id'), table_name='assets')
+    op.drop_table('assets')
+    op.drop_table('tasks')
+    op.drop_table('projects')
+    # ### end Alembic commands ###

backend/alembic/versions/add_canvas_metadata_table.py

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+"""add canvas metadata table
+
+Revision ID: add_canvas_metadata
+Revises: bfac9b8e32f5
+Create Date: 2026-01-17 10:00:00.000000
+
+"""
+from typing import Sequence, Union
+from alembic import op
+import sqlalchemy as sa
+import sqlmodel
+import json
+import uuid
+from datetime import datetime
+
+# revision identifiers, used by Alembic.
+revision: str = 'add_canvas_metadata'
+down_revision: Union[str, Sequence[str], None] = ('add_progress_tracking', 'add_prompt_fields')
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # 1. 创建 canvas_metadata 表
+    op.create_table(
+        'canvas_metadata',
+        sa.Column('id', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+        sa.Column('project_id', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+        sa.Column('canvas_type', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+        sa.Column('related_entity_type', sqlmodel.sql.sqltypes.AutoString(), nullable=True),
+        sa.Column('related_entity_id', sqlmodel.sql.sqltypes.AutoString(), nullable=True),
+        sa.Column('name', sqlmodel.sql.sqltypes.AutoString(), nullable=False),
+        sa.Column('description', sqlmodel.sql.sqltypes.AutoString(), nullable=True),
+        sa.Column('order_index', sa.Integer(), nullable=False, server_default='0'),
+        sa.Column('is_pinned', sa.Boolean(), nullable=False, server_default='0'),
+        sa.Column('tags', sa.JSON(), nullable=True),
+        sa.Column('node_count', sa.Integer(), nullable=False, server_default='0'),
+        sa.Column('last_accessed_at', sa.Float(), nullable=True),
+        sa.Column('access_count', sa.Integer(), nullable=False, server_default='0'),
+        sa.Column('created_at', sa.Float(), nullable=False),
+        sa.Column('updated_at', sa.Float(), nullable=False),
+        sa.Column('deleted_at', sa.Float(), nullable=True),
+        sa.Column('legacy_id', sqlmodel.sql.sqltypes.AutoString(), nullable=True),
+        sa.PrimaryKeyConstraint('id'),
+        sa.ForeignKeyConstraint(['project_id'], ['projects.id'])
+    )
+    
+    # 2. 创建索引
+    op.create_index('ix_canvas_metadata_project_id', 'canvas_metadata', ['project_id'])
+    op.create_index('ix_canvas_metadata_canvas_type', 'canvas_metadata', ['canvas_type'])
+    op.create_index('ix_canvas_metadata_related_entity_id', 'canvas_metadata', ['related_entity_id'])
+    op.create_index('ix_canvas_metadata_legacy_id', 'canvas_metadata', ['legacy_id'])
+    op.create_index('ix_canvas_metadata_project_type', 'canvas_metadata', ['project_id', 'canvas_type'])
+    op.create_index('ix_canvas_metadata_type_entity', 'canvas_metadata', ['canvas_type', 'related_entity_id'])
+    
+    # 3. 迁移数据
+    migrate_general_canvases()
+    migrate_asset_canvases()
+    migrate_storyboard_canvases()
+
+
+def migrate_general_canvases():
+    """迁移通用画布数据"""
+    conn = op.get_bind()
+    
+    # 获取所有项目的 general_canvases
+    try:
+        projects = conn.execute(sa.text("SELECT id, general_canvases FROM projects")).fetchall()
+    except:
+        # 如果 general_canvases 列不存在，跳过
+        return
+    
+    for project in projects:
+        project_id = project[0]
+        general_canvases_json = project[1]
+        
+        if not general_canvases_json:
+            continue
+            
+        try:
+            canvases = json.loads(general_canvases_json) if isinstance(general_canvases_json, str) else general_canvases_json
+        except:
+            continue
+        
+        if not isinstance(canvases, list):
+            continue
+        
+        for idx, canvas in enumerate(canvases):
+            canvas_id = canvas.get('id')
+            if not canvas_id:
+                continue
+            
+            # 插入到 canvas_metadata
+            conn.execute(sa.text("""
+                INSERT INTO canvas_metadata (
+                    id, project_id, canvas_type, name, order_index, 
+                    created_at, updated_at
+                ) VALUES (
+                    :id, :project_id, 'general', :name, :order_index,
+                    :created_at, :updated_at
+                )
+            """), {
+                'id': canvas_id,
+                'project_id': project_id,
+                'name': canvas.get('name', f'Canvas {idx + 1}'),
+                'order_index': idx,
+                'created_at': canvas.get('createdAt', datetime.now().timestamp()),
+                'updated_at': canvas.get('updatedAt', datetime.now().timestamp())
+            })
+    
+    conn.commit()
+
+
+def migrate_asset_canvases():
+    """迁移素材画布数据"""
+    conn = op.get_bind()
+    
+    # 查找所有以 canvas-asset- 开头的画布
+    try:
+        canvases = conn.execute(sa.text("""
+            SELECT id, project_id, updated_at 
+            FROM canvases 
+            WHERE id LIKE 'canvas-asset-%'
+        """)).fetchall()
+    except:
+        return
+    
+    for canvas in canvases:
+        old_id = canvas[0]
+        project_id = canvas[1]
+        updated_at = canvas[2]
+        
+        # 提取 asset_id
+        asset_id = old_id.replace('canvas-asset-', '')
+        
+        # 查找对应的 asset
+        try:
+            asset = conn.execute(sa.text("""
+                SELECT name FROM assets WHERE id = :asset_id
+            """), {'asset_id': asset_id}).fetchone()
+        except:
+            continue
+        
+        if not asset:
+            continue
+        
+        # 生成新 UUID
+        new_id = str(uuid.uuid4())
+        
+        # 插入元数据
+        conn.execute(sa.text("""
+            INSERT INTO canvas_metadata (
+                id, project_id, canvas_type, related_entity_type, 
+                related_entity_id, name, created_at, updated_at, legacy_id
+            ) VALUES (
+                :id, :project_id, 'asset', 'asset', 
+                :asset_id, :name, :created_at, :updated_at, :legacy_id
+            )
+        """), {
+            'id': new_id,
+            'project_id': project_id,
+            'asset_id': asset_id,
+            'name': asset[0],
+            'created_at': updated_at,
+            'updated_at': updated_at,
+            'legacy_id': old_id
+        })
+        
+        # 更新 canvases 表的 ID
+        conn.execute(sa.text("""
+            UPDATE canvases SET id = :new_id WHERE id = :old_id
+        """), {'new_id': new_id, 'old_id': old_id})
+    
+    conn.commit()
+
+
+def migrate_storyboard_canvases():
+    """迁移分镜画布数据"""
+    conn = op.get_bind()
+    
+    # 查找所有以 canvas-storyboard- 开头的画布
+    try:
+        canvases = conn.execute(sa.text("""
+            SELECT id, project_id, updated_at 
+            FROM canvases 
+            WHERE id LIKE 'canvas-storyboard-%'
+        """)).fetchall()
+    except:
+        return
+    
+    for canvas in canvases:
+        old_id = canvas[0]
+        project_id = canvas[1]
+        updated_at = canvas[2]
+        
+        storyboard_id = old_id.replace('canvas-storyboard-', '')
+        
+        try:
+            storyboard = conn.execute(sa.text("""
+                SELECT shot FROM storyboards WHERE id = :storyboard_id
+            """), {'storyboard_id': storyboard_id}).fetchone()
+        except:
+            continue
+        
+        if not storyboard:
+            continue
+        
+        new_id = str(uuid.uuid4())
+        
+        conn.execute(sa.text("""
+            INSERT INTO canvas_metadata (
+                id, project_id, canvas_type, related_entity_type, 
+                related_entity_id, name, created_at, updated_at, legacy_id
+            ) VALUES (
+                :id, :project_id, 'storyboard', 'storyboard', 
+                :storyboard_id, :name, :created_at, :updated_at, :legacy_id
+            )
+        """), {
+            'id': new_id,
+            'project_id': project_id,
+            'storyboard_id': storyboard_id,
+            'name': storyboard[0],
+            'created_at': updated_at,
+            'updated_at': updated_at,
+            'legacy_id': old_id
+        })
+        
+        conn.execute(sa.text("""
+            UPDATE canvases SET id = :new_id WHERE id = :old_id
+        """), {'new_id': new_id, 'old_id': old_id})
+    
+    conn.commit()
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # 回滚操作
+    op.drop_index('ix_canvas_metadata_type_entity', 'canvas_metadata')
+    op.drop_index('ix_canvas_metadata_project_type', 'canvas_metadata')
+    op.drop_index('ix_canvas_metadata_legacy_id', 'canvas_metadata')
+    op.drop_index('ix_canvas_metadata_related_entity_id', 'canvas_metadata')
+    op.drop_index('ix_canvas_metadata_canvas_type', 'canvas_metadata')
+    op.drop_index('ix_canvas_metadata_project_id', 'canvas_metadata')
+    op.drop_table('canvas_metadata')

backend/alembic/versions/add_cinematic_fields.py

@@ -0,0 +1,41 @@
+"""add cinematic and professional fields to assets and storyboards
+
+Revision ID: add_cinematic_fields
+Revises: add_prompt_fields
+Create Date: 2026-01-20
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'add_cinematic_fields'
+down_revision = 'add_canvas_metadata'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # Assets表已经使用extra_data存储这些字段，但为了查询效率，我们可以选择不添加直接列
+    # 因为Asset的emotion, environment_type, weather等字段已经通过extra_data JSON存储
+    # 如果未来需要索引查询，可以添加：
+    # op.add_column('assets', sa.Column('emotion', sa.String(), nullable=True))
+    # op.add_column('assets', sa.Column('environment_type', sa.String(), nullable=True))
+    # op.add_column('assets', sa.Column('weather', sa.String(), nullable=True))
+    
+    # Add cinematic control fields to storyboards table
+    op.add_column('storyboards', sa.Column('camera_angle', sa.String(), nullable=True))
+    op.add_column('storyboards', sa.Column('lens', sa.String(), nullable=True))
+    op.add_column('storyboards', sa.Column('focus', sa.String(), nullable=True))
+    op.add_column('storyboards', sa.Column('lighting', sa.String(), nullable=True))
+    op.add_column('storyboards', sa.Column('color_style', sa.String(), nullable=True))
+
+
+def downgrade() -> None:
+    # Remove cinematic fields from storyboards
+    op.drop_column('storyboards', 'color_style')
+    op.drop_column('storyboards', 'lighting')
+    op.drop_column('storyboards', 'focus')
+    op.drop_column('storyboards', 'lens')
+    op.drop_column('storyboards', 'camera_angle')

backend/alembic/versions/add_indexes_and_optimizations.py

@@ -0,0 +1,100 @@
+"""Add indexes and database optimizations
+
+Revision ID: add_indexes_opt
+Revises: bfac9b8e32f5
+Create Date: 2026-01-14 10:00:00.000000
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = 'add_indexes_opt'
+down_revision: Union[str, Sequence[str], None] = 'bfac9b8e32f5'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Add indexes, soft delete columns, and full-text search support."""
+    
+    # Add soft delete columns
+    op.add_column('projects', sa.Column('deleted_at', sa.Float(), nullable=True))
+    op.add_column('assets', sa.Column('deleted_at', sa.Float(), nullable=True))
+    op.add_column('episodes', sa.Column('deleted_at', sa.Float(), nullable=True))
+    op.add_column('storyboards', sa.Column('deleted_at', sa.Float(), nullable=True))
+    op.add_column('tasks', sa.Column('deleted_at', sa.Float(), nullable=True))
+    
+    # Add indexes for frequently queried fields on projects
+    op.create_index('idx_projects_created_at', 'projects', ['created_at'])
+    op.create_index('idx_projects_updated_at', 'projects', ['updated_at'])
+    op.create_index('idx_projects_status', 'projects', ['status'])
+    op.create_index('idx_projects_deleted_at', 'projects', ['deleted_at'])
+    
+    # Add indexes for tasks
+    op.create_index('idx_tasks_status', 'tasks', ['status'])
+    op.create_index('idx_tasks_type', 'tasks', ['type'])
+    op.create_index('idx_tasks_created_at', 'tasks', ['created_at'])
+    op.create_index('idx_tasks_type_status', 'tasks', ['type', 'status'])
+    op.create_index('idx_tasks_deleted_at', 'tasks', ['deleted_at'])
+    
+    # Add indexes for assets
+    op.create_index('idx_assets_type', 'assets', ['type'])
+    op.create_index('idx_assets_deleted_at', 'assets', ['deleted_at'])
+    
+    # Add indexes for episodes
+    op.create_index('idx_episodes_status', 'episodes', ['status'])
+    op.create_index('idx_episodes_order_index', 'episodes', ['order_index'])
+    op.create_index('idx_episodes_deleted_at', 'episodes', ['deleted_at'])
+    
+    # Add indexes for storyboards
+    op.create_index('idx_storyboards_type', 'storyboards', ['type'])
+    op.create_index('idx_storyboards_order_index', 'storyboards', ['order_index'])
+    op.create_index('idx_storyboards_deleted_at', 'storyboards', ['deleted_at'])
+    
+    # Note: SQLite doesn't support full-text search indexes like PostgreSQL
+    # For SQLite, we'll use the FTS5 virtual table approach in the application layer
+    # or use LIKE queries with indexes on the name columns
+    # Adding index on name columns for better LIKE query performance
+    op.create_index('idx_projects_name', 'projects', ['name'])
+    op.create_index('idx_assets_name', 'assets', ['name'])
+
+
+def downgrade() -> None:
+    """Remove indexes, soft delete columns, and full-text search support."""
+    
+    # Drop indexes
+    op.drop_index('idx_assets_name', table_name='assets')
+    op.drop_index('idx_projects_name', table_name='projects')
+    
+    op.drop_index('idx_storyboards_deleted_at', table_name='storyboards')
+    op.drop_index('idx_storyboards_order_index', table_name='storyboards')
+    op.drop_index('idx_storyboards_type', table_name='storyboards')
+    
+    op.drop_index('idx_episodes_deleted_at', table_name='episodes')
+    op.drop_index('idx_episodes_order_index', table_name='episodes')
+    op.drop_index('idx_episodes_status', table_name='episodes')
+    
+    op.drop_index('idx_assets_deleted_at', table_name='assets')
+    op.drop_index('idx_assets_type', table_name='assets')
+    
+    op.drop_index('idx_tasks_deleted_at', table_name='tasks')
+    op.drop_index('idx_tasks_type_status', table_name='tasks')
+    op.drop_index('idx_tasks_created_at', table_name='tasks')
+    op.drop_index('idx_tasks_type', table_name='tasks')
+    op.drop_index('idx_tasks_status', table_name='tasks')
+    
+    op.drop_index('idx_projects_deleted_at', table_name='projects')
+    op.drop_index('idx_projects_status', table_name='projects')
+    op.drop_index('idx_projects_updated_at', table_name='projects')
+    op.drop_index('idx_projects_created_at', table_name='projects')
+    
+    # Drop soft delete columns
+    op.drop_column('tasks', 'deleted_at')
+    op.drop_column('storyboards', 'deleted_at')
+    op.drop_column('episodes', 'deleted_at')
+    op.drop_column('assets', 'deleted_at')
+    op.drop_column('projects', 'deleted_at')

backend/alembic/versions/add_progress_tracking.py

@@ -0,0 +1,30 @@
+"""add progress tracking fields
+
+Revision ID: add_progress_tracking
+Revises: add_task_mgmt_fields
+Create Date: 2026-01-16 15:00:00.000000
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import sqlite
+
+# revision identifiers, used by Alembic.
+revision = 'add_progress_tracking'
+down_revision = 'add_task_mgmt_fields'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # Add progress and error columns to projects table
+    with op.batch_alter_table('projects', schema=None) as batch_op:
+        batch_op.add_column(sa.Column('progress', sa.JSON(), nullable=True))
+        batch_op.add_column(sa.Column('error', sa.JSON(), nullable=True))
+
+
+def downgrade() -> None:
+    # Remove progress and error columns from projects table
+    with op.batch_alter_table('projects', schema=None) as batch_op:
+        batch_op.drop_column('error')
+        batch_op.drop_column('progress')

backend/alembic/versions/add_prompt_fields.py

@@ -0,0 +1,36 @@
+"""add prompt fields to assets and storyboards
+
+Revision ID: add_prompt_fields
+Revises: add_task_mgmt_fields
+Create Date: 2026-01-16
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'add_prompt_fields'
+down_revision = 'add_task_mgmt_fields'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    # Add image_prompt to assets table
+    op.add_column('assets', sa.Column('image_prompt', sa.String(), nullable=True))
+    
+    # Add prompt fields to storyboards table
+    op.add_column('storyboards', sa.Column('original_text', sa.String(), nullable=True))
+    op.add_column('storyboards', sa.Column('merge_image_prompt', sa.String(), nullable=True))
+    op.add_column('storyboards', sa.Column('video_prompt', sa.String(), nullable=True))
+
+
+def downgrade() -> None:
+    # Remove fields from storyboards
+    op.drop_column('storyboards', 'video_prompt')
+    op.drop_column('storyboards', 'merge_image_prompt')
+    op.drop_column('storyboards', 'original_text')
+    
+    # Remove field from assets
+    op.drop_column('assets', 'image_prompt')

backend/alembic/versions/add_provider_to_tasks.py

@@ -0,0 +1,42 @@
+"""add provider to tasks
+
+Revision ID: add_provider_to_tasks
+Revises: bfac9b8e32f5
+Create Date: 2024-02-11
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'add_provider_to_tasks'
+down_revision = 'bfac9b8e32f5'
+branch_labels = None
+depends_on = None
+
+
+def upgrade() -> None:
+    """Add provider column to tasks table"""
+    # Add provider column (nullable, indexed)
+    op.add_column('tasks', sa.Column('provider', sa.String(), nullable=True))
+    
+    # Create index on provider column for faster queries
+    op.create_index(op.f('ix_tasks_provider'), 'tasks', ['provider'], unique=False)
+    
+    # Optional: Migrate existing data by extracting provider from params
+    # This is a data migration that can be run separately if needed
+    op.execute("""
+        UPDATE tasks 
+        SET provider = params->>'provider'
+        WHERE params->>'provider' IS NOT NULL
+    """)
+
+
+def downgrade() -> None:
+    """Remove provider column from tasks table"""
+    # Drop index first
+    op.drop_index(op.f('ix_tasks_provider'), table_name='tasks')
+    
+    # Drop column
+    op.drop_column('tasks', 'provider')

backend/alembic/versions/add_task_management_fields.py

@@ -0,0 +1,50 @@
+"""add task management fields
+
+Revision ID: add_task_mgmt_fields
+Revises: add_indexes_opt
+Create Date: 2026-01-14
+
+"""
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision = 'add_task_mgmt_fields'
+down_revision = 'add_indexes_opt'
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # Add retry configuration fields
+    op.add_column('tasks', sa.Column('retry_count', sa.Integer(), nullable=False, server_default='0'))
+    op.add_column('tasks', sa.Column('max_retries', sa.Integer(), nullable=False, server_default='3'))
+    
+    # Add timestamp fields for task lifecycle
+    op.add_column('tasks', sa.Column('started_at', sa.Float(), nullable=True))
+    op.add_column('tasks', sa.Column('completed_at', sa.Float(), nullable=True))
+    
+    # Add user context fields
+    op.add_column('tasks', sa.Column('user_id', sa.String(), nullable=True))
+    op.add_column('tasks', sa.Column('project_id', sa.String(), nullable=True))
+    
+    # Add indexes for new fields
+    op.create_index('idx_tasks_user_id', 'tasks', ['user_id'])
+    op.create_index('idx_tasks_project_id', 'tasks', ['project_id'])
+    
+    # Note: deleted_at column already exists from previous migration
+
+
+def downgrade():
+    # Remove indexes
+    op.drop_index('idx_tasks_project_id', table_name='tasks')
+    op.drop_index('idx_tasks_user_id', table_name='tasks')
+    
+    # Remove columns
+    op.drop_column('tasks', 'project_id')
+    op.drop_column('tasks', 'user_id')
+    op.drop_column('tasks', 'completed_at')
+    op.drop_column('tasks', 'started_at')
+    op.drop_column('tasks', 'max_retries')
+    op.drop_column('tasks', 'retry_count')

backend/alembic/versions/add_user_sessions.py

@@ -0,0 +1,54 @@
+"""add user_sessions table
+
+Revision ID: add_user_sessions
+Revises: b546dbb9df98
+Create Date: 2026-03-09
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+revision: str = 'add_user_sessions'
+down_revision: Union[str, Sequence[str], None] = 'b546dbb9df98'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    op.create_table(
+        'user_sessions',
+        sa.Column('id', sa.String(), nullable=False),
+        sa.Column('user_id', sa.String(), nullable=False),
+        sa.Column('session_family_id', sa.String(), nullable=False),
+        sa.Column('refresh_token_hash', sa.String(), nullable=False),
+        sa.Column('status', sa.String(), nullable=False, server_default='active'),
+        sa.Column('created_at', sa.Float(), nullable=False),
+        sa.Column('updated_at', sa.Float(), nullable=False),
+        sa.Column('expires_at', sa.Float(), nullable=False),
+        sa.Column('last_used_at', sa.Float(), nullable=True),
+        sa.Column('revoked_at', sa.Float(), nullable=True),
+        sa.Column('revoked_reason', sa.String(), nullable=True),
+        sa.Column('replaced_by_session_id', sa.String(), nullable=True),
+        sa.Column('ip_address', sa.String(), nullable=True),
+        sa.Column('user_agent', sa.Text(), nullable=True),
+        sa.Column('device_name', sa.String(), nullable=True),
+        sa.ForeignKeyConstraint(['user_id'], ['users.id'], ondelete='CASCADE'),
+        sa.PrimaryKeyConstraint('id'),
+    )
+    op.create_index(op.f('ix_user_sessions_user_id'), 'user_sessions', ['user_id'], unique=False)
+    op.create_index(op.f('ix_user_sessions_session_family_id'), 'user_sessions', ['session_family_id'], unique=False)
+    op.create_index(op.f('ix_user_sessions_refresh_token_hash'), 'user_sessions', ['refresh_token_hash'], unique=False)
+    op.create_index(op.f('ix_user_sessions_status'), 'user_sessions', ['status'], unique=False)
+    op.create_index(op.f('ix_user_sessions_revoked_at'), 'user_sessions', ['revoked_at'], unique=False)
+
+
+def downgrade() -> None:
+    op.drop_index(op.f('ix_user_sessions_revoked_at'), table_name='user_sessions')
+    op.drop_index(op.f('ix_user_sessions_status'), table_name='user_sessions')
+    op.drop_index(op.f('ix_user_sessions_refresh_token_hash'), table_name='user_sessions')
+    op.drop_index(op.f('ix_user_sessions_session_family_id'), table_name='user_sessions')
+    op.drop_index(op.f('ix_user_sessions_user_id'), table_name='user_sessions')
+    op.drop_table('user_sessions')

backend/alembic/versions/b546dbb9df98_add_users_and_api_keys_tables.py

@@ -0,0 +1,72 @@
+"""add_users_and_api_keys_tables
+
+Revision ID: b546dbb9df98
+Revises: rename_style_preset
+Create Date: 2026-02-14 13:01:36.394119
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = 'b546dbb9df98'
+down_revision: Union[str, Sequence[str], None] = 'rename_style_preset'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema - Add users and user_api_keys tables."""
+    # Create users table
+    op.create_table(
+        'users',
+        sa.Column('id', sa.String(), nullable=False),
+        sa.Column('username', sa.String(), nullable=False),
+        sa.Column('email', sa.String(), nullable=True),
+        sa.Column('password_hash', sa.String(), nullable=False),
+        sa.Column('is_active', sa.Boolean(), nullable=False, server_default='1'),
+        sa.Column('is_superuser', sa.Boolean(), nullable=False, server_default='0'),
+        sa.Column('permissions', sa.JSON(), nullable=False, server_default='[]'),
+        sa.Column('roles', sa.JSON(), nullable=False, server_default='[]'),
+        sa.Column('created_at', sa.Float(), nullable=False),
+        sa.Column('updated_at', sa.Float(), nullable=False),
+        sa.Column('last_login', sa.Float(), nullable=True),
+        sa.PrimaryKeyConstraint('id'),
+        sa.UniqueConstraint('email'),
+        sa.UniqueConstraint('username')
+    )
+    op.create_index(op.f('ix_users_email'), 'users', ['email'], unique=False)
+    op.create_index(op.f('ix_users_username'), 'users', ['username'], unique=False)
+
+    # Create user_api_keys table
+    op.create_table(
+        'user_api_keys',
+        sa.Column('id', sa.String(), nullable=False),
+        sa.Column('user_id', sa.String(), nullable=False),
+        sa.Column('provider', sa.String(), nullable=False),
+        sa.Column('encrypted_key', sa.String(), nullable=False),
+        sa.Column('name', sa.String(), nullable=True),
+        sa.Column('is_active', sa.Boolean(), nullable=False, server_default='1'),
+        sa.Column('created_at', sa.Float(), nullable=False),
+        sa.Column('updated_at', sa.Float(), nullable=False),
+        sa.Column('last_used_at', sa.Float(), nullable=True),
+        sa.Column('usage_count', sa.Integer(), nullable=False, server_default='0'),
+        sa.Column('extra_config', sa.JSON(), nullable=True),
+        sa.ForeignKeyConstraint(['user_id'], ['users.id'], ondelete='CASCADE'),
+        sa.PrimaryKeyConstraint('id')
+    )
+    op.create_index(op.f('ix_user_api_keys_provider'), 'user_api_keys', ['provider'], unique=False)
+    op.create_index(op.f('ix_user_api_keys_user_id'), 'user_api_keys', ['user_id'], unique=False)
+
+
+def downgrade() -> None:
+    """Downgrade schema - Remove users and user_api_keys tables."""
+    op.drop_index(op.f('ix_user_api_keys_user_id'), table_name='user_api_keys')
+    op.drop_index(op.f('ix_user_api_keys_provider'), table_name='user_api_keys')
+    op.drop_table('user_api_keys')
+    op.drop_index(op.f('ix_users_username'), table_name='users')
+    op.drop_index(op.f('ix_users_email'), table_name='users')
+    op.drop_table('users')

backend/alembic/versions/bfac9b8e32f5_add_location_and_time_to_storyboards.py

@@ -0,0 +1,30 @@
+"""add location and time to storyboards
+
+Revision ID: bfac9b8e32f5
+Revises: 72f609dd9e66
+Create Date: 2026-01-11 00:49:48.323949
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = 'bfac9b8e32f5'
+down_revision: Union[str, Sequence[str], None] = '72f609dd9e66'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    op.add_column('storyboards', sa.Column('location', sa.String(), nullable=True))
+    op.add_column('storyboards', sa.Column('time', sa.String(), nullable=True))
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    op.drop_column('storyboards', 'time')
+    op.drop_column('storyboards', 'location')

backend/alembic/versions/rename_style_preset_to_style_id.py

@@ -0,0 +1,34 @@
+"""rename style_preset to style_id
+
+Revision ID: rename_style_preset
+Revises: add_cinematic_fields, add_provider_to_tasks
+Create Date: 2024-02-11
+
+"""
+from alembic import op
+import sqlalchemy as sa
+from typing import Union, Sequence
+
+
+# revision identifiers, used by Alembic.
+revision = 'rename_style_preset'
+down_revision: Union[str, Sequence[str], None] = ('add_cinematic_fields', 'add_provider_to_tasks')
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    """Rename style_preset column to style_id in projects table"""
+    # SQLite doesn't support ALTER COLUMN RENAME directly
+    # We need to use a workaround with table recreation
+    
+    with op.batch_alter_table('projects', schema=None) as batch_op:
+        # Rename the column
+        batch_op.alter_column('style_preset', new_column_name='style_id')
+
+
+def downgrade():
+    """Revert style_id column back to style_preset"""
+    with op.batch_alter_table('projects', schema=None) as batch_op:
+        # Rename back
+        batch_op.alter_column('style_id', new_column_name='style_preset')