feat(update): add startup health rollback fuse

app/gui/__init__.py

@@ -4,9 +4,10 @@ from __future__ import annotations
 
 import os
 import sys
+from dataclasses import replace
 
-from .. import appconfig, chrome, diagnostics, update_check
-from ..version import APP_NAME, display_name
+from .. import appconfig, chrome, diagnostics, update_check, update_health
+from ..version import APP_NAME, APP_VERSION, display_name
 from . import widgets as _widgets
 from .widgets import *
 
@@ -91,6 +92,18 @@ def _run_startup_update_gate(*, checker=None, dialog_factory=None) -> bool:
     if result.error:
         _write_update_check_diagnostic("启动版本检查失败，已允许继续使用", result=result)
     if result.forced:
+        failed = update_health.get_failed_release(
+            appconfig.app_base_dir(),
+            result.latest_version,
+            result.sha256,
+        )
+        if failed:
+            result = replace(
+                result,
+                automatic_update_error=(
+                    "该版本自动升级曾失败，已停止重复安装。请等待管理员发布修复版本，或手动安装新版。"
+                ),
+            )
         return _show_forced_update_dialog(result, dialog_factory=dialog_factory)
     return True
 
@@ -101,15 +114,24 @@ def main() -> int:
         return 1
     _ensure_offscreen_for_headless_tests()
     app = QApplication.instance() or QApplication(sys.argv)
+    health_context = update_health.context_from_argv(
+        sys.argv,
+        appconfig.app_base_dir(),
+        APP_VERSION,
+    )
+    update_health.write_health(health_context, "process_started")
     try:
         appconfig.prepare_data_dir()
     except appconfig.DataMigrationConflictError as exc:
+        update_health.write_health(health_context, "environment_blocked", str(exc))
         QMessageBox.critical(None, "数据迁移冲突", str(exc))
         return 1
     except appconfig.DataDirectoryWriteError as exc:
+        update_health.write_health(health_context, "environment_blocked", str(exc))
         QMessageBox.critical(None, "数据目录不可写", str(exc))
         return 1
     except appconfig.ConfigError as exc:
+        update_health.write_health(health_context, "environment_blocked", str(exc))
         QMessageBox.critical(None, "启动配置错误", str(exc))
         return 1
     if not _run_startup_update_gate():
@@ -117,6 +139,7 @@ def main() -> int:
     try:
         startup = chrome.ensure_configured_chrome_path()
     except (OSError, appconfig.ConfigError) as exc:
+        update_health.write_health(health_context, "environment_blocked", str(exc))
         QMessageBox.critical(None, "启动配置错误", str(exc))
         return 1
     window = MainWindow(
@@ -124,4 +147,8 @@ def main() -> int:
         startup_status=startup["message"],
     )
     window.show()
+    QTimer.singleShot(
+        0,
+        lambda: update_health.write_health(health_context, "main_window_ready"),
+    )
     return app.exec()