feat: 版本号管理、构建日志持久化、App_Store 构建号自动递增

- 新增版本号配置 API（GET/PUT /api/config/versions）和前端管理界面
- 构建日志收集与保存：任务完成/取消/失败时写入 build.log
- 新增任务日志查询接口 GET /api/tasks/{task_id}/log
- App_Store 打包时自动递增 Build_Ver 第四位版本号
- 从 Provisioning Profile 自动提取 TEAM_ID 和 PROVISIONING_NAME
- 前端完成后支持查看完整构建日志

backend/routers/config.py

@@ -298,6 +298,57 @@ async def update_build_settings(settings: BuildConfigUpdate, db: Session = Depen
     return {"message": "打包设置已更新"}
 
 
+# 版本号配置 API
+@router.get("/versions")
+async def get_versions():
+    """获取 App_Ver 和 Build_Ver"""
+    from ..config import AUTOPACKING_DIR
+
+    start_build_path = AUTOPACKING_DIR / "start_build_app.py"
+    app_ver = "2.180.0"
+    build_ver = "2.180.0.0"
+
+    if start_build_path.exists():
+        content = start_build_path.read_text(encoding="utf-8")
+        for line in content.split("\n"):
+            if line.startswith("App_Ver") and '"' in line:
+                app_ver = line.split('"')[1]
+            elif line.startswith("Build_Ver") and '"' in line:
+                build_ver = line.split('"')[1]
+
+    return {"app_ver": app_ver, "build_ver": build_ver}
+
+
+@router.put("/versions")
+async def update_versions(data: dict):
+    """更新 App_Ver 和 Build_Ver"""
+    from ..config import AUTOPACKING_DIR
+
+    app_ver = data.get("app_ver", "").strip()
+    build_ver = data.get("build_ver", "").strip()
+
+    if not app_ver or not build_ver:
+        raise HTTPException(status_code=400, detail="版本号不能为空")
+
+    start_build_path = AUTOPACKING_DIR / "start_build_app.py"
+    if not start_build_path.exists():
+        raise HTTPException(status_code=404, detail="start_build_app.py 不存在")
+
+    async with _config_lock:
+        content = start_build_path.read_text(encoding="utf-8")
+        new_lines = []
+        for line in content.split("\n"):
+            if line.startswith("App_Ver") and '"' in line:
+                new_lines.append(f'App_Ver = "{app_ver}"')
+            elif line.startswith("Build_Ver") and '"' in line:
+                new_lines.append(f'Build_Ver = "{build_ver}"')
+            else:
+                new_lines.append(line)
+        start_build_path.write_text("\n".join(new_lines), encoding="utf-8")
+
+    return {"message": "版本号已更新", "app_ver": app_ver, "build_ver": build_ver}
+
+
 # 上传配置 API
 @router.get("/upload")
 async def get_upload_config():