- New D3: two mandatory independent review passes after the verifier signs
off — `reviewer` (hasn't seen verifier output) then `auditor` (after any
fixes land). Two independent passes catch different things; a sync PR is
too large to ship after a single review. Implementer fixes; reviewers
do not.
- New D5: dispatch per-section test-runner teammates after presenting the
report. Section split scales with sync size — small (per-platform) vs.
medium/large (per-feature-area × platform).
- Existing D3 (Present results) renumbered to D4.
Captures the v0.8.5 sync experience: a single-pass verifier + monolithic
device-test plan are insufficient for syncs that touch dozens of files
across SSE/auth/UI surfaces.
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