docs: v0.114.0 CHANGELOG (MinAgent header convention) + README NAS gate + CONTEXT + REUSE + coupled-feature rule in CLAUDE.md

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01PSK5g6qYLknKj8u3QAFEr6

CLAUDE.md

@@ -88,6 +88,10 @@ Per-package helpers/seams/traps: **`REUSE.md`** (maintained same-commit as helpe
   skill; templates must pass `controller/scripts/template_id_gate.py` + `emoji_gate.py`.
 - Testing doctrine (non-hollow tests, red-proofs, seams): use the `felhom-testing` skill.
 - Update `REUSE.md` if you added/changed/deprecated a shared helper or pattern (same commit).
+- **Coupled features** (controller behavior that depends on a specific agent version): add a
+  `featureProbes` table row in `internal/agentapi/features.go` + a `Supports` gate call at the
+  feature's entry point; declare `MinAgent: X.Y.Z` in the CHANGELOG entry header. Rules:
+  `felhom.eu/documentation/runbooks/publish-train-rules.md`.
 
 > **In every repository where you make a change, update both files in that repo:**
 > - **`CHANGELOG.md`** — cumulative log, newest on top.