feat+docs: ralph-loop dependency declaration + runtime detect (Plan tier)

[kiki830621]

Refs #28

Summary

3-layer implementation 解決 issue-driven-dev 隱性依賴 ralph-loop 的文件 + runtime gap:

• Layer 1 (docs): plugin README 加 ### Required for specific modes matrix,4 row 涵蓋所有 mode/flag 對 ralph-loop 的依賴 + behavior-if-missing 說明
• Layer 2 (runtime detect): scripts/check-ralph-loop.sh 新 helper + idd-verify --loop Step 0a fail-fast + idd-all Phase 0.6 graceful degrade
• Layer 3 (forward-compat): plugin.json 加 dependencies.optional_for_modes.ralph-loop self-documenting field(等 Claude Code schema 升級即可 machine-enforce)

Verification

Plan tier (EnterPlanMode) approval gate 已通過。Helper script 3-case smoke test PASS:

• ralph-loop installed → exit 0
• rename to simulate missing → exit 1 + structured message
• IDD_SKIP_RALPH_CHECK=1 bypass → exit 0

Critical verify catch: Layer 2 helper 初版 path schema 漏 <version>/ segment,smoke test 發現後改用 glob,正驗證了 plan-tier Risk 判斷(#35 watch-list 在 plan 階段已先行 file)。

JSON syntax for plugin.json validated (jq . clean).

Checklist

• Diagnose ✓ (Plan complexity, V1=2 V4=3)
• Plan tier approval gate ✓ (EnterPlanMode → ExitPlanMode user-approved)
• Implement (5 commits across 3 layers)
• Verify (run /idd-verify --pr for 6-AI ensemble; lightweight self-verify already done in implement)
• Pending: human review of this PR + /idd-close after merge

Related

• docs: README 應列出 issue-driven-dev 仰賴的外部 plugin / MCP server (依 source type) #26 (parent docs structure — provides ## Requirements section)
• docs: track upstream gap — Claude Code plugin schema 缺 inter-plugin dependency 機制 (sister from #28) #29 (upstream tracking — plugin schema dependencies field forward-compat)
• refactor: 抽出 generic plugin-presence detector helper (tangential from #28 plan) #34 (filed mid-plan — generic plugin-presence helper refactor)
• tracking: Claude Code plugin cache path schema 變動 watch-list (tangential from #28) #35 (filed mid-plan — cache path schema watch-list)

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🤖 Generated by /idd-plan + /idd-implement (Plan tier). Do NOT add 'Closes #28' — IDD discipline requires manual /idd-close after merge.

[kiki830621]

Verify Report — PR #36 / Issue #28

Engine

6-AI ensemble: Agent Team (5 Claude reviewers — requirements / logic / security / regression / devils-advocate) + Codex CLI (gpt-5.5 xhigh, independent gpt family)

Aggregate

FAIL — 1 P0 + 2 P1 + 2 P2 / P3 blocking findings, cross-AI consensus on multiple

Scope coverage

PR refs: #28 (primary) + #26/#29/#34/#35 (related). Verified scope: #28 (3-layer ralph-loop dependency).

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Findings

#	Severity	Finding	Source	Action
F1	P0	plugin.json 的 dependencies field 現在就 validate-fail — Claude CLI 已將此 field 視為既有 (expects string[]),IDD 寫成 nested object → Invalid input: expected array, received object。claude plugin validate plugins/issue-driven-dev 失敗 = plugin 無法 update / tag / install	Codex (gpt-5.5 independent)	Blocking
F2	P1	idd-all Phase 0.6 graceful-degrade gate 太晚:Phase 0.5 已 git checkout -b idd/<N>-<slug> 建好 feature branch,Phase 0.6 才偵測 ralph-loop missing → degrade 時 BRANCH=$(git branch --show-current) 設成剛建的 feature branch,user 預期 commits 落 main / 自己 branch 但實際落 dangling idd/<N>-<slug>。Phase 0.6 沒 unwind logic	Devils-Advocate (NEW finding,4 reviewer 都沒抓) + Codex (P1)	Blocking
F3	P1	scripts/check-ralph-loop.sh:29 for f in $DETECT_GLOB 未 quote → HOME 含空白(macOS Mobile Documents、display-name account)時 word-splitting → false-negative。即使 ralph-loop 已裝,idd-verify --loop 會 fail-fast abort,idd-all (PR, unattended) 會 silent degrade — 直接破壞 v2.40.0 backward-compat 設計。SC2086 shellcheck disable 反而 forfeit 警告	Logic + Security + Codex (cross-AI consensus)	Blocking
F4	P2	IDD_SKIP_RALPH_CHECK=1 bypass 路徑完全 silent(無 stderr warning),且 README + idd-verify SKILL.md 都沒文件化此 env var。CI 誤設或 hostile container base image 可導致「fake green CI」(--loop 跑了但無 ralph-loop driver)	Security	Should-fix
F5	P3	Manifest plugin.json version 仍 2.52.0,但新加內容多處標 v2.53+(README + idd-verify SKILL.md + idd-all SKILL.md) → 若直接發 release,新功能不會被版本化交付,使用者看到 v2.52 但行為已變	Codex	Should-fix

Cross-AI Consensus

3 個 reviewer 獨立抓到 F3 (HOME spaces):logic 從 edge-case 角度、security 從 trust-boundary 角度、Codex 從跨模型 reproduce。Cross-AI consensus = high confidence = real bug。

DA 反駁了 requirements 的「Layer 3 FULLY addressed」結論 — 發現 brightdata-plugin (Anthropic 官方) 已用 dependencies: ["curl", "jq"] (string[]) 格式,IDD 的 nested object 格式 schema clash。Codex 之後驗證 claude plugin validate 也確認 fail。

Verdict per reviewer

• Requirements: PASS (對齊 plan,但沒驗 plan 對齊 ecosystem)
• Logic: 3 P1 + 4 P2 (HOME spaces / SKILL.md instruction misuse / dead code)
• Security: APPROVE WITH CHANGES (F1 = HOME spaces blocker, F3 = silent bypass)
• Regression: PASS with version-string note (F5)
• Devils-Advocate: SUSTAINED 2 NEW findings (F2 BRANCH bug, F1 schema clash) — 4 reviewer 共同盲點
• Codex (independent gpt-5.5): FAIL — P0 plugin.json validate-fail + P1 phase order + P3 manifest

Recommended round-2 fixes (before merge)

1. F1 (P0) — Remove or restructure plugin.json dependencies field:
   • Option A: 完全移除(Layer 3 退到「README only」)— 最保守
   • Option B: 改成 dependencies: ["claude-plugins-official/ralph-loop"] (string[]) 對齊 brightdata pattern,但失去 IDD 想加的 metadata 細節
   • Option C: 把 metadata 搬到非標欄位(如 _idd_dependencies underscore prefix)讓 schema validator 忽略
2. F2 (P1) — Phase 0.6 degrade 時必須:
   • git checkout $DEFAULT_BRANCH 切回原 branch
   • git branch -d idd/<N>-<slug> 清掉剛建的 branch
   • 然後才 set PATH_AXIS=direct-commit + 印 warning
3. F3 (P1) — scripts/check-ralph-loop.sh 改用 shopt -s nullglob + bash array:

   shopt -s nullglob
   files=( "${HOME}/.claude/plugins/cache/claude-plugins-official/ralph-loop"/*/.claude-plugin/plugin.json )
   shopt -u nullglob
   if (( ${#files[@]} > 0 )); then exit 0; fi

4. F4 (P2) — bypass 觸發時 echo "⚠ IDD_SKIP_RALPH_CHECK=1 set — skipping ralph-loop detection (advanced override)" >&2
5. F5 (P3) — bump plugin.json version 2.52.0 → 2.53.0(這是 minor feature release)

Sister observations (no follow-up issue needed)

• idd-verify Step 0a "$CLAUDE_PLUGIN_ROOT/scripts/check-ralph-loop.sh" || exit 1 寫法假設 skill runtime 會 source 這段 — logic reviewer 質疑是否真會 abort skill execution。Implementation 階段需驗證
• DA R1.b 提到 brightdata-plugin 的 dependencies schema 是 forward-compat 評估 input —已併入 F1

Next action

PR #36 不該 merge as-is。建議 round-2 fix 後 re-verify。或選擇:

• Quick path: revert Layer 3 (remove plugin.json dependencies),保留 Layer 1 + 2,Layer 1 R3 docs note 補丁 → re-verify
• Full path: 修全部 5 finding,re-verify

[kiki830621]

Round-2 Fix Complete (responding to verify FAIL)

3 fix commits address all 5 verify findings:

Finding	Severity	Fix	Commit
F1	P0	Remove plugin.json dependencies field entirely (schema validator rejects unknown keys, including _idd_ prefix). Layer 3 retreats to README-only documentation per option A. claude plugin validate now ✓ passes	96bdb6e
F5	P3	Bump plugin.json version 2.52.0 → 2.53.0 to match v2.53+ content tags	96bdb6e
F3	P1	scripts/check-ralph-loop.sh 改用 shopt -s nullglob + bash array (HOME-with-spaces no longer breaks glob)	f2366bc
F4	P2	IDD_SKIP_RALPH_CHECK=1 bypass 加 stderr warning(audit trail)	f2366bc
F2	P1	idd-all Phase 0.6 graceful-degrade 加 unwind logic:git checkout $DEFAULT + git branch -d $BRANCH 清掉 Phase 0.5 建好的 feature branch,degrade 後 commits 才會落在正確 branch	5f9b672

Self-verify

• claude plugin validate plugins/issue-driven-dev → ✓ Validation passed (CLAUDE.md warning is pre-existing, not introduced by this PR)
• helper script 4-case smoke test PASS:installed (exit 0) / HOME-with-spaces installed (exit 0,F3 regression case) / missing (exit 1) / IDD_SKIP_RALPH_CHECK=1 + missing (exit 0 + warning,F4)
• Phase 0.6 unwind logic 寫入 SKILL.md 含 edge-case 處理(commits-already-present case 不 swallow,refuse + abort)
• Trace 4 example 同步更新含 unwind output

Cross-AI consensus claims status

• Logic + Security + Codex 共抓的 F3 (HOME spaces): fixed
• DA NEW finding F2 (BRANCH bug): fixed with explicit unwind 邏輯
• Codex P0 F1: fixed by removal (退到 README-only)
• DA R1.b (dependencies schema clash with brightdata-plugin): resolved by F1 fix
• F5 version mismatch: fixed

Remaining concerns from original verify

• DA R1.c "spec drift (user wrote fail-fast, plan changed to graceful-degrade)" — acknowledged in plan B4,non-blocking design choice approved at Plan tier
• Logic P2-x notes about $CLAUDE_PLUGIN_ROOT runtime invocation — inherited Claude Code skill convention,not changed in this PR
• Pre-existing CLAUDE.md root warning — out of scope (warning was there before this PR)

Ready for re-verify or direct merge per IDD discipline。