feat(doctrine): W6 — prose sweep + BDR-077 + LRN-137 + plan execution notes

LRN-113 whole-surface sweep: client-handover x2 + commit-change prose
repointed to the two-mode reality; code-cleaner/status historic notes
kept (accurate). Memory: BDR-077 (full architecture), LRN-137
(mode-based re-tiering + fail-safe pin rule), journal. Plan carries
as-built EXECUTION NOTES.

skills/client-handover/SKILL.md

@@ -29,9 +29,11 @@ Load and follow strictly:
 - $HOME/.claude/agents/client-handover-writer.md
 
 Execute the CLIENT HANDOVER WRITER agent on this project. It runs the
-audit/fix/gate pipeline INLINE on the big session model (gated above), then
-delegates the client deliverable (Markdown + branded HTML + PDF) to the
-sonnet-pinned `handover-doc-writer` subagent (BDR-066).
+audit/fix/gate pipeline INLINE on the big session model (gated above), its
+skill-runner children dispatched `model: "fable"`, then delegates the
+client deliverable to the two-mode `handover-doc-writer` subagent —
+synthesize on opus, render (Markdown + branded HTML + PDF) on the sonnet
+pin (BDR-077).
 
 The agent runs a **ship-and-handover pipeline** with explicit gates:
 

skills/commit-change/SKILL.md

@@ -82,8 +82,9 @@ AskUserQuestion:
   uncommitted for a later run.
 - `edit <n>` → re-dispatch `commit-changer` with `MODE: propose` and the
   user's correction for step N folded into the prompt, so all grouping /
-  message judgment stays on the sonnet subagent (never redrawn inline on
-  the session model); show the redrawn plan and re-ask.
+  message judgment stays on the dispatched propose mode (`model="opus"`,
+  BDR-077 — never redrawn inline on the session model); show the redrawn
+  plan and re-ask.
 - `skip` → exit cleanly, no commits created, no `MODE: apply` dispatch.
   Note: if the propose run created a `chore/*` branch (gitflow aiguillage
   off a protected base), that branch stays checked out with the work