rewrite

# Rewrite · Optimize Existing Posts For ranking-decay rescue, refresh cycles, or quality lift on already-published articles. Preserves the author's voice while applying 6 optimization pillars. ## When to invoke - `/rewrite <file>` — full optimization pass - `/update <file>` — freshness-only mode (minimal changes, focus on dates + stats) - Auto-triggered by `content-refresher` when GSC + drift signals indicate rank decay - Auto-suggested in `outcome_tagger` output for `loser`-tagged articles ## 6 phases ### Phase 1: Audit (read-only) 1. **Read the post** — detect format (MDX / markdown / HTML / WordPress block) 2. **Run quality checklist** against `references/seo/seo-checklist-2026.md`: - Count fabricated vs sourced statistics - Check answer-first formatting (H2 → stat in first sentence?) - Count images + charts (type diversity?) - Measure paragraph lengths (any >150 words?) - Check heading hierarchy (H1 → H2 → H3, no skips?) - Look for FAQ schema - Check freshness signals (`lastUpdated`, `dateModified`) - Assess self-promotion level - Evaluate citation tier quality 3. **AI content detection scan**: - **Burstiness score** — sentence length variance. Target SD > 6. - **Banned phrase scan** — check against `references/style/banned-words.md` - **Vocabulary diversity** — TTR (unique/total). Target > 0.50. - **AI content estimate** — composite percentage 0-100% 4. **Video embed check** — if 0 YouTube embeds, flag (strongest AI visibili...