feat(effort): wire phase shifts in the 13 orchestrators and the handover writer

skills/code-clean/SKILL.md

@@ -26,6 +26,7 @@ allowed-tools:
 MODEL GATE (blocking): run `$HOME/.claude/lib/model-gate.md` BEFORE any
 step below. Verdict `small` → STOP — print the gate's remedy, end the
 turn, dispatch nothing.
+EFFORT SHIFTS: follow `$HOME/.claude/lib/effort-shift.md` (BDR-NEXT): medium when a dispatch span starts, own level before challenge synthesis, low at the bookkeeping tail, max at escalation.
 
 ## TARGET
 $ARGUMENTS
@@ -120,6 +121,7 @@ TOTALS: <N blocking, N warn, N info>
 
 If no issues found: report clean state and stop.
 
+`Skill(effort-xhigh)` first (effort-shift: reflection resumes).
 ## STEP 3b — CHALLENGE THE SCOPE (before approval)
 The STEP 3 report is the proposed cleanup scope — worth attacking before the
 human approves it. It is still inline, so FIRST persist it to
@@ -173,6 +175,7 @@ is approved, stop — no dispatch.
 2. **Dispatch the executor** — sonnet by frontmatter pin, do not override:
 
    ```
+Skill(effort-medium)   # effort-shift: dispatch span starts
    Agent(subagent_type="code-cleaner")
    prompt: "SCOPE: .claude/audits/CODE-CLEAN-SCOPE.md
    APPROVED: <the approved item list, incl. any per-item exported-symbol clears>