fix: update fsWrite spec specify absolute path only (#1008)

Author: Hweinstock

server/aws-lsp-codewhisperer/src/language-server/agenticChat/tools/fsWrite.ts

@@ -307,8 +307,7 @@ export class FsWrite {
                         type: 'string',
                     },
                     path: {
-                        description:
-                            'Path to a file, e.g. `/path/to/repo/file.py`. If you want to access a path relative to the current workspace, use relative paths e.g. `./src/file.py`.',
+                        description: 'Absolute path to file or directory, e.g. `/repo/file.py` or `/repo`.',
                         type: 'string',
                     },
                 },