1. The Cover Letter processor combines a manuscript and a template, calls an external generation API to produce a refined cover letter, and exports a well-formatted Word document.
2. Accept manuscript and template inputs (uploaded files or raw text).
3. Invoke the Cover Letter agent API to generate/transform content.
4. Parse response text robustly across possible formats.
5. Produce a .docx with Times New Roman, 12pt, justified, and standard margins.