Fixed inconsistencies between sections after the rev-2 feature-branch
refactor (sections had gotten out of sync):
1. §2 (success criteria) rewritten — was stale from rev 1. Now has
clean mandatory/soft split matching §7.2, corrects the trade-count
gate (per-fold not averaged), references the surrogate-noise gate.
New §2.3 enumerates the outcome paths.
2. §4 and §6 no longer say "commit on main" — both land on
feat/policy-quality per the feature-branch architecture. Phase 4
merges to main at §7.4.
3. §7.3 outcome handling rewritten — was written for single-branch
model ("Phase 2 commit is NOT reverted"). New wording matches
feature-branch semantics: failing mandatory = don't merge; failing
soft = merge + follow-up.
4. §6 smoke-tests rule now lists all six Phase 0 smokes, not just
Track 1/2.
5. §7.4 Phase-4 merge-strategy added — --no-ff merge commit, tag
policy-quality-v1, cleanup sequence documented.
6. §5.5 conflict-resolution added — tracks can reach contradictory
conclusions (e.g. T1 says fix, T2 says delete). Resolution rules:
mandatory-gate dominance, simplification wins, escalation.
7. §4.3 baseline metrics now committed to the feature branch (not
"investigation-only"), matching the crash-safety discipline.
8. Budget / risk register aligned — 5.5–6.5 hrs plan + 1 buffer,
hard-capped at 3 Phase-3 validation runs.
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