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/src/admin_config.py

@@ -0,0 +1,33 @@
+from sqladmin import Admin, ModelView
+from src.models.entities import ProjectDB, AssetDB, EpisodeDB, StoryboardDB
+
+class ProjectAdmin(ModelView, model=ProjectDB):
+    column_list = [ProjectDB.id, ProjectDB.name, ProjectDB.type, ProjectDB.status, ProjectDB.created_at]
+    column_searchable_list = [ProjectDB.name, ProjectDB.id]
+    column_sortable_list = [ProjectDB.created_at]
+    icon = "fa-solid fa-diagram-project"
+
+class AssetAdmin(ModelView, model=AssetDB):
+    column_list = [AssetDB.id, AssetDB.name, AssetDB.type, AssetDB.project_id]
+    column_searchable_list = [AssetDB.name, AssetDB.id, AssetDB.type]
+    # 列_filters = ["type", "project_id"]
+    # 列_filters = [AssetDB.type, AssetDB.project_id]
+    icon = "fa-solid fa-cube"
+
+class EpisodeAdmin(ModelView, model=EpisodeDB):
+    column_list = [EpisodeDB.id, EpisodeDB.title, EpisodeDB.order_index, EpisodeDB.status, EpisodeDB.project_id]
+    column_searchable_list = [EpisodeDB.title, EpisodeDB.id]
+    # 列_filters = [EpisodeDB.status, EpisodeDB.project_id]
+    icon = "fa-solid fa-film"
+
+class StoryboardAdmin(ModelView, model=StoryboardDB):
+    column_list = [StoryboardDB.id, StoryboardDB.project_id, StoryboardDB.episode_id, StoryboardDB.order_index]
+    # 列_filters = [StoryboardDB.project_id, StoryboardDB.episode_id]
+    icon = "fa-solid fa-image"
+
+def setup_admin(app, engine):
+    admin = Admin(app, engine, title="Pixel管理后台")
+    admin.add_view(ProjectAdmin)
+    admin.add_view(AssetAdmin)
+    admin.add_view(EpisodeAdmin)
+    admin.add_view(StoryboardAdmin)