更新

backend/help_pages.py

@@ -0,0 +1,29 @@
+"""帮助中心静态页面。"""
+from pathlib import Path
+
+from fastapi import HTTPException
+from fastapi.responses import FileResponse
+
+from settings import BACKEND_DIR, PROJECT_ROOT
+
+HELP_STATIC_DIR = BACKEND_DIR / "static" / "help"
+CREDENTIAL_TOOL_CANDIDATES = (
+    PROJECT_ROOT / "凭证采集工具.html",
+    HELP_STATIC_DIR / "credential-tool.html",
+)
+
+
+def _resolve_credential_tool_html() -> Path:
+    for path in CREDENTIAL_TOOL_CANDIDATES:
+        if path.is_file():
+            return path
+    raise HTTPException(status_code=404, detail="凭证采集工具页面不存在")
+
+
+def serve_credential_tool() -> FileResponse:
+    html_path = _resolve_credential_tool_html()
+    return FileResponse(
+        html_path,
+        media_type="text/html; charset=utf-8",
+        content_disposition_type="inline",
+    )