Update app.py

app.py

@@ -530,11 +530,21 @@ def _public_file_url(local_path: str) -> str:
         from urllib.parse import quote
         host = os.getenv("SPACE_HOST", "").strip()
         abs_path = os.path.abspath(local_path)
-        quoted = quote(abs_path)
-        if host:
+
+        # Detect Windows absolute path (e.g., C:\...) or running on Windows
+        is_windows_path = bool(re.match(r"^[a-zA-Z]:\\", abs_path)) or os.name == "nt"
+        is_posix_abs = abs_path.startswith("/")
+
+        # Only construct an absolute hf.space URL when:
+        #  - We have a SPACE_HOST
+        #  - The file path is POSIX-absolute (we're running inside the Space container)
+        if host and is_posix_abs and not is_windows_path:
+            quoted = quote(abs_path)
             return f"https://{host}/file={quoted}"
-        # Local/dev fallback
-        return f"/file={quoted}"
+
+        # Otherwise, prefer returning the raw path and let Gradio serve it in the same origin
+        # (UI components like gr.File/gr.Video handle this).
+        return local_path
     except Exception:
         # Last-resort: return the original path to avoid breaking UI
         return local_path
@@ -2190,7 +2200,7 @@ def Generate_Video(  # <-- MCP tool #6 (Generate Video)
                 size = os.path.getsize(path)
             except Exception:
                 size = -1
-            # Always publish HF Space absolute URL to avoid proxy hosts (e.g., mcp.nymbo.net)
+            # Prefer HF Space absolute URL when running in a Space, otherwise return local path
             url = _public_file_url(path)
             _log_call_end("Generate_Video", f"provider={provider} path={os.path.basename(path)} bytes={size} url={url}")
             return url
@@ -2730,7 +2740,8 @@ def Deep_Research(
     file_url = _public_file_url(file_path)
     # Append a canonical HF download link so clients avoid proxy origins when clicking
     try:
-        report = report.rstrip() + f"\n\n---\nDownload the full report as text: [research_report.txt]({file_url})\n"
+        if isinstance(file_url, str) and file_url.startswith("http"):
+            report = report.rstrip() + f"\n\n---\nDownload the full report as text: [research_report.txt]({file_url})\n"
     except Exception:
         pass
     elapsed = time.time() - start_ts