Add SDLC audit migration and adapter release scaffolding

[smota]

Summary

Continues AgentFlow SDLC Definition Product v1 with adapter projection docs, product payload manifest, audit/migration CLI wrappers, and fresh sandbox smoke test.

Implemented issues

Implements #169
Implements #170
Implements #172
Refs #163
Refs #171

Related issues

Parent production epic: #163. Cockpit SDLC model alignment remains in #171.

Workflow evidence

Workflow-status comment: exception: PR body records this autonomous slice evidence.

Handover comments: exception: current session continues release train execution; #171 remains next.

Role-pass summary:

• Implementation added harness adapter projection docs for Claude, AGY, Codex, and Pi.
• Added manifests/product-payload.json with ownership modes.
• Added scripts/sdlc-audit.mjs, scripts/sdlc-migrate.mjs, and scripts/sdlc-sandbox-smoke.mjs.
• Updated CLI agentflow-sdlc sdlc audit and agentflow-sdlc sdlc migrate to use dedicated scripts.
• Updated framework install manifest.

Validation evidence:

• pnpm test passed: 22 files / 144 tests.
• node scripts/sdlc-sandbox-smoke.mjs passed.
• node bin/cli.mjs sdlc audit --json passed.
• node bin/cli.mjs sdlc migrate --json returned dry-run migration plan as expected.

Agent review

• Implemented by: pi
• Launcher: pi
• Executor: pi-parent
• Transport: local-cli
• Delegation boundary: current-session
• Model / runtime: gpt-5.5 / pi
• Review: self-review
• Workflow profile: standard
• Merge owner: human/operator
• Mode: single-agent
• Self-review disclosure: Same session implemented and reviewed; validation is command-backed and Cockpit SDLC model alignment #171 remains explicit follow-up.

CI-equivalent validation

• Status: passed
  Commands:
• pnpm prettier --write adapters manifests scripts/sdlc-audit.mjs scripts/sdlc-migrate.mjs scripts/sdlc-sandbox-smoke.mjs bin/cli.mjs lib/framework-files.mjs lib/sdlc-state.mjs
• pnpm test
• node scripts/sdlc-sandbox-smoke.mjs
• node bin/cli.mjs sdlc audit --json
• node bin/cli.mjs sdlc migrate --json

Follow-up issues

• Cockpit SDLC model alignment #171 Cockpit SDLC model alignment remains open.
• Epic: AgentFlow SDLC Definition Product v1 #163 tracks full production release closeout.

Out of scope

• Docker packaging.
• npm publish.
• Deep structural merge of harness settings; adapter docs and generated skill sync base are included, full native plugin packaging can build on this manifest.