feat(framework): P3 — extract Constitution (L0) + gut AGENTS dispatcher
Splits the 155-line thin-core AGENTS.md into:
- defaults/CONSTITUTION.md (L0): gates + integrity + escalation + block-vs-done
+ mode + two-axis precedence + hooks-are-the-gate + framework-PR firewall +
structured-reasoning capability + tier-aware self-load. Capability-verb authored.
- defaults/AGENTS.md gutted to an ~80-line load-order dispatcher + guide table
(kills the false "already in context, do not re-read" line).
- constitution/LAYER-MODEL.md: source-only governance spec (layers + precedence).
Non-regression wiring (fresh-install functional; upgrade-safety is P4):
- launch.ts injects CONSTITUTION.md before AGENTS.md (tolerant of un-reseeded installs)
- install.sh + file-adapter.ts seed CONSTITUTION.md (+ test fixture updated)
Runtime adapters: capability-verb the sequential-thinking binding; claude/codex/
opencode restate the REQUIRED hard-stop, pi binds to native thinking (gate=false)
— restores the force the adversarial review flagged as weakened.
Gate hardening (dual-engine review): identity denylist now covers examples/
(closes the Codex open-source gap), self-test-first, *.json in scope, ci.yml
typecheck depends on sanitization (fail-fast), L0 line-count ceiling (<=120).
Adversarial gate-preservation review: every original rule traced to L0, the
dispatcher, or a routed guide — nothing lost.
Refs #542, closes #574
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Jason Woltje
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