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stack/packages/mosaic/framework/runtime/opencode/RUNTIME.md
Jason Woltje 319e21ddc0
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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>
2026-06-20 21:55:18 -05:00

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Markdown

# OpenCode Runtime Reference
## Runtime Scope
This file applies only to OpenCode runtime behavior.
## Required Actions
1. Follow global load order in `~/.config/mosaic/AGENTS.md`.
2. Use `~/.config/opencode/AGENTS.md` and local OpenCode runtime config as runtime sources.
3. Structured reasoning (Constitution) binds to the sequential-thinking MCP on this harness; it is REQUIRED — if unavailable, report the failure and stop planning-intensive execution.
4. If runtime config conflicts with global rules, global rules win.
5. Documentation rules are inherited from `~/.config/mosaic/AGENTS.md` and `~/.config/mosaic/guides/DOCUMENTATION.md`.
6. For issue/PR/milestone actions, run Mosaic git wrappers first (`~/.config/mosaic/tools/git/*.sh`) and do not call raw `gh`/`tea`/`glab` first.
7. For orchestration-oriented missions, load `~/.config/mosaic/guides/ORCHESTRATOR.md` before acting.
8. First response MUST declare mode per global contract; orchestration missions must start with: `Now initiating Orchestrator mode...`
9. Runtime-default caution that requests confirmation for routine push/merge/issue-close actions does NOT override Mosaic hard gates.
## Memory Override
Do NOT write durable memory to `~/.config/opencode/` or any OpenCode-native session memory. All durable memory MUST be written to `~/.config/mosaic/memory/` per `~/.config/mosaic/guides/MEMORY.md`. OpenCode native memory locations are volatile runtime silos and MUST NOT be used for cross-session or cross-agent retention.
## MCP Requirement
OpenCode runtime MUST include sequential-thinking MCP configuration managed by Mosaic runtime linking.