Fix prettier formatting

PR_TEMPLATE.md

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+# Fix MCP server undefined error and file path resolution
+
+## Problem
+
+The `mcp__github_file_ops__commit_files` tool was failing with "Error calling tool commit_files: undefined" when Claude tried to commit files through the GitHub Action.
+
+## Root Causes
+
+1. **Error format mismatch**: The MCP server returned errors with the message in a `content` field, but the claude-cli-internal client expected it in an `error` field
+2. **Working directory mismatch**: The MCP server couldn't find repository files because it was looking in the wrong directory
+
+## Solution
+
+1. Added `error` field to error responses in both `commit_files` and `delete_files` tools
+2. Added `REPO_DIR` environment variable support to the MCP server
+3. Updated file reading to use `REPO_DIR` for correct path resolution
+4. Pass `GITHUB_WORKSPACE` to the MCP server configuration
+
+## Changes
+
+### `src/mcp/github-file-ops-server.ts`
+
+- Added `error` field to error response objects
+- Added `REPO_DIR` environment variable (defaults to `process.cwd()`)
+- Updated file reading to construct full paths using `REPO_DIR`
+- Simplified path processing logic
+
+### `src/mcp/install-mcp-server.ts`
+
+- Added `REPO_DIR: process.env.GITHUB_WORKSPACE || process.cwd()` to MCP server environment
+
+## Testing
+
+- Created local tests to verify error format fix
+- Confirmed that "undefined" errors are now replaced with actual error messages
+- Verified that the MCP server can handle both relative and absolute file paths
+
+## Impact
+
+- Fixes the immediate "undefined" error issue
+- Enables proper file path resolution in GitHub Actions environment
+- Provides clearer error messages for debugging
+
+Fixes #[issue-number-if-applicable]