style(framework): prettier-format thinned markdown

format:check (prettier on **/*.md) flagged the hand-written tables/wrapping in the
thinned contract files. No content change — formatting only.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

docs/TASKS.md

@@ -41,6 +41,7 @@ Active workstream is **W1 — Federation v1**. Workers should:
 3. Follow per-task agent + tier guidance from the workstream manifest
 
 ## Thin-core prompt diet (#528) — feat/contract-thin-core
+
 - Status: PR open, awaiting maintainer merge ratification (fleet-governing change).
 - Cut always-injected contract AGENTS+TOOLS+RUNTIME 8,827→4,122 tok (−53%); all 12 hard gates intact.
 - Validation: deterministic gate-checklist PASS; headless A/B thin 7/9 vs monolith 5/9. Detail: scratchpads/contract-thin-core.md.