Fix: add trailing slash to multi-provider agent card URLs (avoid 307 redirect)

scripts/upload_secrets.py

@@ -0,0 +1,65 @@
+#!/usr/bin/env python3
+"""Upload secrets from a .env file to a Hugging Face Space.
+
+Usage:
+    python scripts/upload_secrets.py <space_id> <env_file>
+
+Example:
+    python scripts/upload_secrets.py zequn-fireworks/fireaction-a2a .env
+"""
+
+from __future__ import annotations
+
+import sys
+from pathlib import Path
+
+from huggingface_hub import HfApi
+
+
+def parse_env_file(path: Path) -> dict[str, str]:
+    """Parse a .env file into a dict, skipping comments and blank lines."""
+    secrets = {}
+    for line in path.read_text().splitlines():
+        line = line.strip()
+        if not line or line.startswith("#"):
+            continue
+        if "=" not in line:
+            continue
+        key, _, value = line.partition("=")
+        key = key.strip()
+        value = value.strip().strip("'\"")
+        if key and value:
+            secrets[key] = value
+    return secrets
+
+
+def main() -> None:
+    if len(sys.argv) != 3:
+        print(f"Usage: {sys.argv[0]} <space_id> <env_file>")
+        print(f"Example: {sys.argv[0]} zequn-fireworks/fireaction-a2a .env")
+        sys.exit(1)
+
+    space_id = sys.argv[1]
+    env_file = Path(sys.argv[2])
+
+    if not env_file.exists():
+        print(f"Error: {env_file} not found")
+        sys.exit(1)
+
+    secrets = parse_env_file(env_file)
+    if not secrets:
+        print(f"No secrets found in {env_file}")
+        sys.exit(1)
+
+    api = HfApi()
+    print(f"Uploading {len(secrets)} secrets to {space_id}...")
+
+    for key, value in secrets.items():
+        api.add_space_secret(repo_id=space_id, key=key, value=value)
+        print(f"  + {key}")
+
+    print("Done.")
+
+
+if __name__ == "__main__":
+    main()

src/fireaction_a2a/card.py

@@ -44,7 +44,7 @@ def build_card(
             f"Specialist agent for {provider_name} API operations "
             f"using {len(skills)} validated contracts."
         ),
-        url=_resolve_public_url(host, port) + path_prefix,
+        url=_resolve_public_url(host, port) + path_prefix + ("/" if path_prefix else ""),
         version="1.0.0",
         skills=skills,
         defaultInputModes=["text"],