fix(phase4.4): allowlist keyword extraction — the real root-cause fix

fix(phase4.3): systemic JD keyword extraction — works on any new JD

fix(phase4.2): backfill dropped roles + enforce recruiter pitch

fix(phase4.1): aggressive bullet weaving + canonical-tuned scoring

feat(phase4): canonical Resume model + single locked visual format

fix(ui+ats): remove title, fix dark-on-dark inputs, aggressive injection for 90%+

feat(ats): Phase 3 — lemma+phrase scorer + liberal LLM policy + recruiter pitch