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/tests/test_smoke.py

@@ -0,0 +1,62 @@
+"""
+冒烟测试：健康检查、API 前缀、projects 路由是否正常。
+使用正确前缀 /api/v1/ 校验本次重构涉及的路由。
+"""
+import pytest
+import sys
+import os
+
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), ".."))
+
+from fastapi.testclient import TestClient
+from src.main import app
+
+client = TestClient(app)
+API = "/api/v1"
+
+
+def unwrap_response_data(response):
+    payload = response.json()
+    return payload.get("data", payload)
+
+
+class TestSmokeHealth:
+    """健康与存活"""
+
+    def test_health(self):
+        r = client.get("/health")
+        assert r.status_code == 200
+        assert unwrap_response_data(r).get("status") == "healthy"
+
+    def test_health_live(self):
+        r = client.get("/health/live")
+        assert r.status_code == 200
+        assert unwrap_response_data(r).get("status") == "alive"
+
+
+class TestSmokeProjects:
+    """Projects 控制器（重构后）"""
+
+    def test_list_projects(self):
+        r = client.get(f"{API}/projects")
+        assert r.status_code == 200
+        data = r.json()
+        assert "data" in data or "items" in str(data)
+
+    def test_get_nonexistent_project_404(self):
+        r = client.get(f"{API}/projects/non-existent-id-12345")
+        assert r.status_code == 404
+
+
+class TestSmokeConfig:
+    """Config 使用 /api/v1 前缀"""
+
+    def test_get_system_config(self):
+        r = client.get(f"{API}/config/system")
+        assert r.status_code == 200
+
+    def test_get_models_config(self):
+        r = client.get(f"{API}/config/models")
+        assert r.status_code == 200
+        data = r.json()
+        assert "data" in data or "models" in str(data)