在准备环境前提交次全部更改。

apps/backend/pyproject.toml

@@ -1,10 +1,34 @@
+# AI_CHANGELOG
+# - 2026-02-15 | Prompt: 让 FastAPI 成功启动 | 补全运行依赖（fastapi/uvicorn/psycopg2-binary/python-dotenv），使后端可通过 uv run uvicorn 启动
+# - 风险：依赖版本变更可能影响其他 workspace 成员；验证：uv sync --all-packages && uv run uvicorn app.main:app
+
 [project]
 name = "zqyy-backend"
 version = "0.1.0"
 requires-python = ">=3.10"
+# CHANGE 2026-02-15 | intent: 补全后端运行依赖，原先仅声明 neozqyy-shared 导致 uvicorn/fastapi 缺失无法启动
+# assumptions: 版本下限与 tech.md 记录的核心依赖一致；uvicorn[standard] 包含 uvloop/httptools 等性能依赖
 dependencies = [
     "neozqyy-shared",
+    "fastapi>=0.115",
+    "uvicorn[standard]>=0.34",
+    "psycopg2-binary>=2.9",
+    "python-dotenv>=1.0",
+    "python-jose[cryptography]>=3.3",
+    "bcrypt>=4.0",
 ]
 
 [tool.uv.sources]
 neozqyy-shared = { workspace = true }
+
+[dependency-groups]
+dev = [
+    "pytest>=8.0",
+    "pytest-asyncio>=0.23",
+    "hypothesis>=6.100",
+    "httpx>=0.27",
+]
+
+[tool.pytest.ini_options]
+testpaths = ["tests"]
+pythonpath = ["."]