File/directory type app parameters now show the associated file name instead of a disabled input. WORK_DIR is hidden from the form as it is auto-injected by the backend. Selected files are mapped to file params via fileParamMapping on submit. Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>