fix: use user-specific cache directory for Jinja2 templates (#1200)

Co-authored-by: Claude <[email protected]>
Co-authored-by: openhands <[email protected]>
Co-authored-by: Xingyao Wang <[email protected]>

Author: 4 people

openhands-sdk/openhands/sdk/context/prompts/prompt.py

@@ -21,7 +21,9 @@ def _get_env(prompt_dir: str) -> Environment:
     if not prompt_dir:
         raise ValueError("prompt_dir is required")
     # BytecodeCache avoids reparsing templates across processes
-    cache_folder = os.path.join(prompt_dir, ".jinja_cache")
+    # Use user-specific cache directory to avoid permission issues
+    # in multi-user environments
+    cache_folder = os.path.join(os.path.expanduser("~"), ".openhands", "cache", "jinja")
     os.makedirs(cache_folder, exist_ok=True)
     bcc = FileSystemBytecodeCache(directory=cache_folder)
     env = Environment(