Drafts a tailored cover letter for a specific job posting from the user's REAL profile and resume facts, then routes the draft through the family's anti-fabrication gate so it never invents an accomplishment, employer, metric, or claim the user has not confirmed. Use when the user wants to write a cover letter, draft a cover letter for a posting, generate or tailor a cover letter to a job description, turn their resume into a cover letter, or write a letter of interest / motivation letter for a role. Produces a CoverLetter_[Company]_[Role].md (and optional .docx) saved to the workspace. Do not use for editing the resume itself (use resume-tailor), finding or scoring posti…