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Shannon v0.1.1 — Final summary across all 7 phases + brownfield patch

Status as of 2026-05-28: Structural ship-ready. All 7 phases PASS in sandbox + brownfield-planning patch applied. User-action ship steps in RELEASE_CHECKLIST.md.

Headline

Metric Value
Phases complete (structural) 7 of 7
Skills 32 (curated from 67; +skill-inventory in patch)
Agents 9 (with Architecture C embedded skills)
Commands 20 (consolidated from 27; +/shannon:scope in patch)
Hooks 7 (consolidated from 16)
Pillar benchmarks 5 (one per pillar)
Doctor checks 8/8 PASS
Doctor mismatches 0
Embedding relationships 34
Cascade conflicts 0
Phantom references 0
Broken doc links 0
Forbidden Iron Rule files 0

Phase-by-phase

Phase 0 — PRD approval

Verdict: ✅ PASS

  • docs/PRD-V1.md (469 lines) — 15 sections, 3 architectures proposed (A/B/C), Architecture C recommended
  • docs/COMPETITIVE_ANALYSIS.md (413 lines) — 5 ecosystem categories surveyed
  • DECISIONS.md — 5 user calls captured
  • .planning/BRIEF.md — 5 pillars articulated
  • .planning/ROADMAP.md — 7-phase plan with blocking gates

Phase 1 — Skill curation (67 → 31)

Verdict: ✅ PASS Evidence: .planning/phases/01-curation/PHASE-01-VALIDATION.md

  • 67 candidates → 31 curated (17 survivors with absorbed appendices + 14 pure keeps)
  • 32 absorbed skills via aggressive-merge pattern (user-authorized)
  • 4 cuts (ios-validation-runner, communication-style, brainstorm, create-ideas)
  • Every kept skill: YAML frontmatter valid + cascade references resolve
  • USER APPROVED KEEP_PROPOSAL.md decision document

Phase 2 — Agent embedding (Architecture C)

Verdict: ✅ PASS Evidence: .planning/phases/02-agent-embedding/PHASE-02-VALIDATION.md

  • 9 agents designed (5 P0 + 4 P0/P1; in PRD target 5-12)
  • 21 unique skills embedded across 9 agents = 32 embedding relationships
  • 0 cascade conflicts
  • build/embed-skills.py copies skills into _built/ AND inlines into AGENT.md between sentinels
  • build/verify-build.py: 0 mismatches
  • Smoke test PASS: md5 of agents/meta-judge/AGENT.md unchanged when canonical skills/judge/ is moved away — proves embedded content is independent of canonical (the central Architecture C claim)

Phase 3 — Command consolidation (27 → 19)

Verdict: ✅ PASS Evidence: .planning/phases/03-commands/PHASE-03-VALIDATION.md

  • 19 v1 commands (in ROADMAP gate range 13-20)
  • 3 consolidation groups: dispatch (3→1 via --mode), plan (4→1 via --mode), audit (2→1 via --scope)
  • 1 new merge: enforce on|off replaces enable + disable
  • 1 deferred: forge (overlaps with cook+oracle)
  • 31/31 v1 skills + 9/9 v1 agents referenced across the 19 commands
  • 0 phantom references

Phase 4 — Hook curation (16 → 7) + required_hooks contract

Verdict: ✅ PASS Evidence: .planning/phases/04-hooks/PHASE-04-VALIDATION.md

  • 16 inherited registered hooks → 7 v1 hooks
  • 3 merged dispatchers absorb 12 inherited script behaviors:
    • pre-edit-discipline.js (2 absorbed)
    • post-action-discipline.js (5 absorbed)
    • observability.js (5 absorbed)
  • 4 standalone hooks kept (block-fab-files, subagent-governance, evidence-gate, stop-semantics)
  • 1 shared _lib.js replaces the v7 dependency tree
  • 8 v1 skills declare required_hooks — 12 total dependencies, all resolve
  • scripts/doctor.py 8/8 checks PASS with 0 mismatches

Phase 5 — Validation harnesses (SDK + Tmux)

Verdict: ✅ PASS (structural) Evidence: .planning/phases/05-harnesses/PHASE-05-VALIDATION.md

  • scripts/harness/sdk_runner.py + tmux_runner.py + lib.py + run-all.sh
  • 5 benchmarks in scripts/harness/benchmarks/ (one per pillar)
  • Both runners --dry-run exit 0; run-all.sh dry-run aggregate exit 0
  • Iron Rule clean: 0 forbidden file patterns (test_*.py, *.test.*, mock_*, stub_*) in scripts/harness/
  • Live runtime mode requires user-action (Anthropic API access; documented in docs/DEV_HARNESS.md)

Phase 6 — Documentation (8 docs)

Verdict: ✅ PASS Evidence: .planning/phases/06-docs/PHASE-06-VALIDATION.md

  • 8 docs total: 1 README + 7 in docs/ (INSTALL, QUICK_START, SKILLS_CATALOG, ARCHITECTURE, FUNCTIONAL_VALIDATION_GUIDE, CONTRIBUTING, DEV_HARNESS)
  • 44KB total documentation
  • 10 internal cross-references all resolve (0 broken links)
  • SKILLS_CATALOG generated from disk (no manual drift risk)
  • Doctor stays green after Phase 6

Phase 7 — Release v0.1.0 (structural)

Verdict: ✅ PASS (structural) Evidence: .planning/phases/07-release/PHASE-07-VALIDATION.md

  • Release-candidate verification chain exits 0 end-to-end (build → verify-build → doctor → harness dry-run)
  • RELEASE_NOTES.md — what's in v0.1.0
  • RELEASE_CHECKLIST.md — user-action steps for git tag, push, marketplace, post-release smoke test
  • All prior phase VALIDATION.md present + verdict=PASS

User-action ship steps (live harness + git tag + push + marketplace submit) deferred to release operator per RELEASE_CHECKLIST.md.

What was preserved

  • Iron Rule discipline throughout. Every gate verifies real on-disk state. Every consolidation cites specific evidence. Every cut has documented rationale.
  • User authorization respected. Architecture C, aggressive-merge, no Memory MCP, full Tmux coverage, keep shannon name + v0.x — all per the 5 user calls captured in DECISIONS.md.
  • Standalone goal honored. Zero required MCP servers. Context7 + sequential-thinking are recommended (not required). The entire framework runs as a Claude Code plugin without external service dependencies.

What was learned along the way

  • The _built/ symbolic copy isn't enough — the embedded content must also be INLINED into AGENT.md for Claude Code's agent loader to see it. This drove a Phase 2 mid-execution refactor of build/embed-skills.py to add the sentinel-bracketed inlining (and verify-build.py confirmed it's idempotent across multiple runs).
  • The sandbox filesystem (virtio-fs) blocks deletion of files created in a prior session. The build script was rewritten to use dirs_exist_ok=True in copytree rather than rmtree-then-create, making it sandbox-safe AND faster.
  • YAML descriptions like "Pillar 4: rubric YAML generator" contain unquoted colons that YAML parses as mapping separators. All v1 manifest descriptions are now double-quoted to avoid this class of error.
  • The mode-flag consolidation pattern (dispatch, plan, audit, enforce) scales: 9 cut entry points, 12 absorbed behaviors, 0 lost functionality.

v0.1.1 patch — Brownfield planning

After v0.1.0 structural PASS, the user surfaced that brownfield projects needed a deep code survey + skill-inventory pass. This patch closed the gap:

  • New command /shannon:scope — 3-stream parallel reconnaissance (codebase-analysis + skill-inventory + observability-report)
  • New skill skill-inventory — runtime MCP-tool discovery; Iron Rule (no fabricated recommendations)
  • /shannon:plan --mode brownfield + /shannon:cook --brownfield — auto-wire scope as pre-plan step
  • Planner agent embeds 7 skills (5 + codebase-analysis + skill-inventory)
  • 37 stale /shannon:forge references swept; 0 remain

Full patch detail: .planning/patches/01-brownfield-planning.md. All 8 doctor checks still PASS; harness --dry-run still exit 0.

Cross-references