diff --git a/DOCUMENT-INDEX.md b/DOCUMENT-INDEX.md
index 2ac9615..633de87 100644
--- a/DOCUMENT-INDEX.md
+++ b/DOCUMENT-INDEX.md
@@ -145,6 +145,7 @@ root/
 | Path | Description |
 |:-----|:------------|
 | `mission-statement.md` | FFG-PLN-001 — Firefrost Gaming mission statement & Legacy Vision (the deepest "why" we build) |
+| `emissary-social-media-handbook.md` | The Emissary's social media launch playbook — phased setup, Canva templates, Buffer scheduling, content batching |
 | `path-philosophy.md` | The Path philosophy |
 | `design-bible.md` | Design bible (branding, aesthetics, Citadel/Obsidian) |
 | `subscription-tiers.md` | Subscription tier structure |