gstack/test/fixtures/auto-decide-target-361c.json

{
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    "status": "ready",
    "calls": [],
    "assistantMessages": [
      {
        "sessionId": "d50953bf-fe08-4bf5-ab63-cff6c367b2df",
        "text": "Received. I have the draft plan \u2014 \"deterministic skill-list ordering\" \u2014 held as context, along with your constraints: this invocation is for the review-mode decision only (full mode name in the audit record's `user_choice`/`recommended` fields and in the public decision), Office Hours and setup are deferred, and the substantive review comes later.\n\nStanding by for your slash command.",
        "timestamp": "2026-09-17T02:31:45.172Z"
      },
      {
        "sessionId": "d50953bf-fe08-4bf5-ab63-cff6c367b2df",
        "text": "Running the `/plan-ceo-review` preamble first.",
        "timestamp": "2026-09-17T02:31:49.834Z"
      },
      {
        "sessionId": "d50953bf-fe08-4bf5-ab63-cff6c367b2df",
        "text": "Aside is not installed (mentioning aside.com once). WebSearch is available on this host, so one read-only landscape query for the prior-art layer.",
        "timestamp": "2026-09-17T02:33:18.981Z"
      },
      {
        "sessionId": "d50953bf-fe08-4bf5-ab63-cff6c367b2df",
        "text": "**Decision: HOLD SCOPE** for \"deterministic skill-list ordering\".\n\n**Completion status: DONE_WITH_CONCERNS** (mode-only handoff, as requested)\n\n- Mode: **HOLD SCOPE**, auto-selected because `plan-ceo-review-mode` returned `AUTO_DECIDE` on my recommendation (fix/refactor of an existing path, ~2 files). Audit record written with `user_choice` and `recommended` both set to the full name `HOLD SCOPE`, `auto_decided: true`. Confirmed written (`QLOG_OK`).\n- Working plan with the pre-review audit, 0A\u20130C evidence, landscape check, and decision ledger (R1 mode approved, R2 sort-key semantics pending) saved to `.claude/plans/keep-this-draft-plan-virtual-moonbeam.md`. `PLAN.md` untouched.\n- Skill-end recorded with `outcome=abort` since the workflow intentionally stopped before 0G/0I/review sections; that is the honest label for an incomplete run, not an error.\n\nConcerns / what I skipped:\n- `routing-injection` setup block deferred (you own setup; plan mode forbids the CLAUDE.md edit and commit). It will re-fire next healthy run.\n- Office Hours not offered, per your instruction.\n- No `GSTACK REVIEW REPORT` exists, so the Exit Plan Mode gate is **Blocked** by design and I did not call ExitPlanMode. Remaining route for the later review: 0G \u2192 0I \u2192 `sections/review-sections.md`, carrying ledger rows R1 and R2.\n- One durable learning logged (Conductor + plan mode vs. onboarding blocks that need repo commits).\n\nStopping here for your next message.",
        "timestamp": "2026-09-17T02:35:35.169Z"
      }
    ]
  },
  "tools": [
    {
      "sessionId": "d50953bf-fe08-4bf5-ab63-cff6c367b2df",
      "timestamp": "2026-09-17T02:31:52.072Z",
      "toolUseId": "toolu_01KbsH6ybJxbNozwbSXywVbb",
      "kind": "use",
      "name": "Bash",
      "input": {
        "command": "_SS=\"$HOME/.claude/skills/gstack/bin/gstack-skill-start\"\n[ -x \"$_SS\" ] || _SS=\".claude/skills/gstack/bin/gstack-skill-start\"\n\"$_SS\" --skill \"plan-ceo-review\" --model \"claude\" --parent-pid \"$PPID\" \\\n  || echo \"SKILL_START: unavailable \u2014 stale install; run ./setup or /gstack-upgrade (preamble degraded, continue the user's task)\"",
        "description": "Run gstack skill-start preamble"
      },
      "messageId": "msg_011Cf8E8TYJ2NWfMgERnjkpg",
      "requestId": "req_011Cf8E8TFRbkMyK8LQB3AHe"
    },
    {
      "sessionId": "d50953bf-fe08-4bf5-ab63-cff6c367b2df",
      "timestamp": "2026-09-17T02:31:53.392Z",
      "toolUseId": "toolu_01KbsH6ybJxbNozwbSXywVbb",
      "kind": "result",
      "content": "SKILL_START_PROTO: 1\nBRANCH: main\nPROACTIVE: true\nPROACTIVE_PROMPTED: yes\nSKILL_PREFIX: false\nREPO_MODE: unknown\nSESSION_KIND: interactive\nCONDUCTOR_SESSION: true\nACTIVATED: yes\nFIRST_LOOP_SHOWN: yes\nFIRST_TASK: \nLAKE_INTRO: yes\nTELEMETRY: off\nTEL_PROMPTED: yes\nSESSION_ID: 1666801-1789612313-0b7c62d9\nTEL_START: 1789612313\nEXPLAIN_LEVEL: default\nQUESTION_TUNING: true\nUPDATE_CHECK: false\nLEARNINGS: 0\nHAS_ROUTING: no\nROUTING_DECLINED: false\nVENDORED_GSTACK: no\nMODEL_OVERLAY: claude\nCHECKPOINT_MODE: explicit\nCHECKPOINT_PUSH: false\nGSTACK_PLAN_MODE: active\nARTIFACTS_SYNC: off\nGSTACK_INSTRUCTION_BEGIN: routing-injection 1666801-1789612313-0b7c62d9\ngstack works best when the project CLAUDE.md includes skill routing rules. If no CLAUDE.md exists in the project root, create it. Use AskUserQuestion:\n\n> gstack works best when your project's CLAUDE.md includes skill routing rules.\n\nOptions: A) Add routing rules to CLAUDE.md (recommended)  B) No thanks, I'll invoke skills manually\n\nIf A: append this section to the end of CLAUDE.md, then commit it (`git add CLAUDE.md && git commit -m \"chore: add gstack skill routing rules to CLAUDE.md\"`):\n\n## Skill routing\n\nWhen the user's request matches an available skill, invoke it via the Skill tool. When in doubt, invoke the skill.\n\nKey routing rules:\n- Product ideas/brainstorming \u2192 invoke /office-hours\n- Strategy/scope \u2192 invoke /plan-ceo-review\n- Architecture \u2192 invoke /plan-eng-review\n- Design system/plan review \u2192 invoke /design-consultation or /plan-design-review\n- Full review pipeline \u2192 invoke /autoplan\n- Bugs/errors \u2192 invoke /investigate\n- QA/testing site behavior \u2192 invoke /qa or /qa-only\n- Code review/diff check \u2192 invoke /review\n- Visual polish \u2192 invoke /design-review\n- Ship/deploy/PR \u2192 invoke /ship or /land-and-deploy\n- Save progress \u2192 invoke /context-save\n- Resume context \u2192 invoke /context-restore\n- Author a backlog-ready spec/issue \u2192 invoke /spec\n\nIf B: run `/tmp/g-58_o3060/gstack-paid-shard-tirHiO/tmp/gstack-hermetic-1635761-AhDi3L/skill-home-7Xxg6x/.claude/skills/gstack/bin/gstack-config set routing_declined true` and say they can re-enable with `/tmp/g-58_o3060/gstack-paid-shard-tirHiO/tmp/gstack-hermetic-1635761-AhDi3L/skill-home-7Xxg6x/.claude/skills/gstack/bin/gstack-config set routing_declined false`. This only happens once per project.\nGSTACK_INSTRUCTION_END",
      "isError": false
    },
    {
      "sessionId": "d50953bf-fe08-4bf5-ab63-cff6c367b2df",
      "timestamp": "2026-09-17T02:32:27.085Z",
      "toolUseId": "toolu_01BqJd87ihCS3bQPugdjzvkH",
      "kind": "use",
      "name": "Bash",
      "input": {
        "command": "cd /tmp/g-58_o3060/gstack-paid-shard-tirHiO/tmp/gstack-plan-count-yNS81K\necho \"--- remote ---\"; git remote get-url origin 2>/dev/null || echo \"NO_REMOTE\"\necho \"--- origin/HEAD ---\"; git symbolic-ref refs/remotes/origin/HEAD 2>/dev/null | sed 's|refs/remotes/origin/||' || echo \"none\"\ngit rev-parse --verify origin/main >/dev/null 2>&1 && echo \"origin/main exists\" || echo \"no origin/main\"\necho \"--- log ---\"; git log --oneline -30\necho \"--- stash ---\"; git stash list\necho \"--- files ---\"; git ls-files\necho \"--- todos ---\"; grep -r \"TODO\\|FIXME\\|HACK\\|XXX\" -l --exclude-dir=node_modules --exclude-dir=vendor --exclude-dir=.git . | head -30\necho \"--- recent touched ---\"; git log --since=30.days --name-only --format=\"\" | sort | uniq -c | sort -rn | head -20",
        "description": "Detect platform and audit repo state"
      },
      "messageId": "msg_011Cf8E93ziJPh2uJVsecTng",
      "requestId": "req_011Cf8E93ZB1ZP1DrnD5Fp4j"
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    {
      "sessionId": "d50953bf-fe08-4bf5-ab63-cff6c367b2df",
      "timestamp": "2026-09-17T02:32:28.589Z",
      "toolUseId": "toolu_01BqJd87ihCS3bQPugdjzvkH",
      "kind": "result",
      "content": "--- remote ---\nNO_REMOTE\n--- origin/HEAD ---\norigin/main exists\n--- log ---\ndfc3039 Seed review plan\n--- stash ---\n--- files ---\nCLAUDE.md\nPLAN.md\n--- todos ---\n--- recent touched ---\n      1 PLAN.md\n      1 CLAUDE.md",
      "isError": false
    },
    {
      "sessionId": "d50953bf-fe08-4bf5-ab63-cff6c367b2df",
      "timestamp": "2026-09-17T02:32:34.682Z",
      "toolUseId": "toolu_01RpPDcRETkn3R7z5stmu8tY",
      "kind": "use",
      "name": "Read",
      "input": {
        "file_path": "/tmp/g-58_o3060/gstack-paid-shard-tirHiO/tmp/gstack-plan-count-yNS81K/PLAN.md"
      },
      "messageId": "msg_011Cf8EBeB6KSZH2GSyKEJSF",
      "requestId": "req_011Cf8EBdqVU1iKjGL9C8RUn"
    },
    {
      "sessionId": "d50953bf-fe08-4bf5-ab63-cff6c367b2df",
      "timestamp": "2026-09-17T02:32:34.705Z",
      "toolUseId": "toolu_01RpPDcRETkn3R7z5stmu8tY",
      "kind": "result",
      "content": "1\t# Draft: deterministic skill-list ordering\n2\t\n3\tUsers compare skill listings in scripts and reviews. Make the existing listing\n4\tpath sort registered skill names deterministically before rendering them.\n5\tKeep skill membership, aliases, metadata and text/JSON output formats unchanged.\n6\tCover mixed-case names and differing directory enumeration order with tests.\n7\t\n8\tThis draft is the review target, not the current branch. For this invocation,\n9\tI want only the review-mode decision; I will handle optional Office Hours and\n10\tsetup separately, and run the substantive review later. No review mode has\n11\tbeen selected. For this mode-only handoff, use the full selected mode name in\n12\tthe normal audit record's user_choice and recommended fields, and name it in\n13\tyour public decision. A menu letter alone would not identify the chosen mode.",
      "file": {
        "filePath": "/tmp/g-58_o3060/gstack-paid-shard-tirHiO/tmp/gstack-plan-count-yNS81K/PLAN.md",
        "content": "# Draft: deterministic skill-list ordering\n\nUsers compare skill listings in scripts and reviews. Make the existing listing\npath sort registered skill names deterministically before rendering them.\nKeep skill membership, aliases, metadata and text/JSON output formats unchanged.\nCover mixed-case names and differing directory enumeration order with tests.\n\nThis draft is the review target, not the current branch. For this invocation,\nI want only the review-mode decision; I will handle optional Office Hours and\nsetup separately, and run the substantive review later. No review mode has\nbeen selected. For this mode-only handoff, use the full selected mode name in\nthe normal audit record's user_choice and recommended fields, and name it in\nyour public decision. A menu letter alone would not identify the chosen mode.",
        "numLines": 13,
        "startLine": 1,
        "totalLines": 13
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    {
      "sessionId": "d50953bf-fe08-4bf5-ab63-cff6c367b2df",
      "timestamp": "2026-09-17T02:32:52.597Z",
      "toolUseId": "toolu_01Xexxi2MExvzgcsVTZL73M9",
      "kind": "use",
      "name": "Bash",
      "input": {
        "command": "cd /tmp/g-58_o3060/gstack-paid-shard-tirHiO/tmp/gstack-plan-count-yNS81K\nsetopt +o nomatch 2>/dev/null || true\nSLUG=$(~/.claude/skills/gstack/browse/bin/remote-slug 2>/dev/null || basename \"$(git rev-parse --show-toplevel 2>/dev/null || pwd)\")\nBRANCH=$(git rev-parse --abbrev-ref HEAD 2>/dev/null | tr '/' '-' || echo 'no-branch')\necho \"SLUG=$SLUG BRANCH=$BRANCH\"\n_LOCALDOC=$(ls -t ~/.gstack/projects/$SLUG/*-$BRANCH-design-*.md 2>/dev/null | head -1)\n[ -z \"$_LOCALDOC\" ] && _LOCALDOC=$(ls -t ~/.gstack/projects/$SLUG/*-design-*.md 2>/dev/null | head -1)\n_REPOTOP=$(git rev-parse --show-toplevel 2>/dev/null || echo \"\")\n_REPODOC=\"\"\nif [ -n \"$_REPOTOP\" ]; then\n  [ -f \"$_REPOTOP/DESIGN.md\" ] && _REPODOC=\"$_REPOTOP/DESIGN.md\"\n  [ -z \"$_REPODOC\" ] && _REPODOC=$(ls -t \"$_REPOTOP\"/docs/designs/*.md 2>/dev/null | head -1)\nfi\nDESIGN=\"$_LOCALDOC\"\nif [ -n \"$_REPODOC\" ] && { [ -z \"$_LOCALDOC\" ] || [ \"$_REPODOC\" -nt \"$_LOCALDOC\" ]; }; then DESIGN=\"$_REPODOC\"; fi\n[ -n \"$DESIGN\" ] && echo \"Design doc found: $DESIGN\" || echo \"No design doc found\"\nHANDOFF=$(ls -t ~/.gstack/projects/$SLUG/*-$BRANCH-ceo-handoff-*.md 2>/dev/null | head -1)\n[ -n \"$HANDOFF\" ] && echo \"HANDOFF_FOUND: $HANDOFF\" || echo \"NO_HANDOFF\"\n\necho \"--- context recovery ---\"\neval \"$(~/.claude/skills/gstack/bin/gstack-slug 2>/dev/null)\"\n_PROJ=\"${GSTACK_HOME:-$HOME/.gstack}/projects/${SLUG:-unknown}\"\nif [ -d \"$_PROJ\" ]; then\n  echo \"--- RECENT ARTIFACTS ---\"\n  find \"$_PROJ/ceo-plans\" \"$_PROJ/checkpoints\" -type f -name \"*.md\" 2>/dev/null | xargs -r ls -t 2>/dev/null | head -3\n  [ -f \"$_PROJ/timeline.jsonl\" ] && tail -5 \"$_PROJ/timeline.jsonl\"\n  [ -f \"$_PROJ/decisions.active.json\" ] && ~/.claude/skills/gstack/bin/gstack-decision-search --recent 5 2>/dev/null\n  echo \"--- END ARTIFACTS ---\"\nelse echo \"no project dir at $_PROJ\"; fi\n\necho \"--- learnings ---\"\n_CROSS_PROJ=$(~/.claude/skills/gstack/bin/gstack-config get cross_project_learnings 2>/dev/null || echo \"unset\")\necho \"CROSS_PROJECT: $_CROSS_PROJ\"\nif [ \"$_CROSS_PROJ\" = \"true\" ]; then ~/.claude/skills/gstack/bin/gstack-learnings-search --limit 10 --cross-project 2>/dev/null || true\nelse ~/.claude/skills/gstack/bin/gstack-learnings-search --limit 10 2>/dev/null || true; fi\n\necho \"--- brain context ---\"\nfor k in product goals recent-decisions; do echo \"### $k\"; ~/.claude/skills/gstack/bin/gstack-brain-cache get $k --project \"$SLUG\" 2>/dev/null || echo \"(no $k digest available yet)\"; done\necho \"### user-profile\"; ~/.claude/skills/gstack/bin/gstack-brain-cache get user-profile 2>/dev/null || echo \"(no user-profile digest available yet)\"",
        "description": "Design doc, handoff, context, learnings, brain checks"
      },
      "messageId": "msg_011Cf8EC6ReRLvLXbDNCxRtP",
      "requestId": "req_011Cf8EC673n4cCxqUSuwcXn"
    },
    {
      "sessionId": "d50953bf-fe08-4bf5-ab63-cff6c367b2df",
      "timestamp": "2026-09-17T02:32:54.439Z",
      "toolUseId": "toolu_01Xexxi2MExvzgcsVTZL73M9",
      "kind": "result",
      "content": "SLUG=gstack-plan-count-yNS81K BRANCH=main\nNo design doc found\nNO_HANDOFF\n--- context recovery ---\n--- RECENT ARTIFACTS ---\n{\"skill\":\"plan-ceo-review\",\"event\":\"started\",\"branch\":\"main\",\"session\":\"1666801-1789612313-0b7c62d9\",\"ts\":\"2026-09-17T02:31:53.399Z\"}\n--- END ARTIFACTS ---\n--- learnings ---\nCROSS_PROJECT: false\n--- brain context ---\n### product\n(no product digest available yet)\n### goals\n(no goals digest available yet)\n### recent-decisions\n(no recent-decisions digest available yet)\n### user-profile\n(no user-profile digest available yet)",
      "isError": false
    },
    {
      "sessionId": "d50953bf-fe08-4bf5-ab63-cff6c367b2df",
      "timestamp": "2026-09-17T02:33:09.327Z",
      "toolUseId": "toolu_012VH67JmeWeieWhNPDhCMgX",
      "kind": "use",
      "name": "Bash",
      "input": {
        "command": "_T=\"\"; command -v gtimeout >/dev/null 2>&1 && _T=\"gtimeout 30\"; [ -z \"$_T\" ] && command -v timeout >/dev/null 2>&1 && _T=\"timeout 30\"\nif [ \"${GSTACK_SKIP_ASIDE:-}\" = \"1\" ] || ! command -v aside >/dev/null 2>&1; then echo \"NEEDS_ASIDE\"\nelif $_T aside repl 'console.log(\"ASIDE_READY \" + pwd)' 2>&1 | grep -q '^ASIDE_READY'; then echo \"READY: aside $(aside --version 2>/dev/null)\"\nelse echo \"ASIDE_NOT_RUNNING\"; fi\necho \"--- qid check ---\"\nprintf '%s' \"Select plan-ceo-review mode for deterministic skill-list ordering draft\" | ~/.claude/skills/gstack/bin/gstack-question-preference --check \"plan-ceo-review-mode\" --summary-stdin; echo \"exit=$?\"",
        "description": "Probe Aside and check mode question preference"
      },
      "messageId": "msg_011Cf8EDYiUNbVbd1eTs4qGi",
      "requestId": "req_011Cf8EDYSbiBs5DcX9Wfjht"
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    {
      "sessionId": "d50953bf-fe08-4bf5-ab63-cff6c367b2df",
      "timestamp": "2026-09-17T02:33:11.120Z",
      "toolUseId": "toolu_012VH67JmeWeieWhNPDhCMgX",
      "kind": "result",
      "content": "NEEDS_ASIDE\n--- qid check ---\nAUTO_DECIDE\nexit=0",
      "isError": false
    },
    {
      "sessionId": "d50953bf-fe08-4bf5-ab63-cff6c367b2df",
      "timestamp": "2026-09-17T02:33:18.982Z",
      "toolUseId": "toolu_01P7WbT2XR5yHzZDxhbwq1VP",
      "kind": "use",
      "name": "ToolSearch",
      "input": {
        "query": "select:WebSearch",
        "max_results": 1
      },
      "messageId": "msg_011Cf8EEn5gTW3xaaeAGdQpx",
      "requestId": "req_011Cf8EEmjq2tZjkNXYsytvK"
    },
    {
      "sessionId": "d50953bf-fe08-4bf5-ab63-cff6c367b2df",
      "timestamp": "2026-09-17T02:33:18.987Z",
      "toolUseId": "toolu_01P7WbT2XR5yHzZDxhbwq1VP",
      "kind": "result",
      "content": [
        {
          "type": "tool_reference",
          "tool_name": "WebSearch"
        }
      ],
      "isError": false
    },
    {
      "sessionId": "d50953bf-fe08-4bf5-ab63-cff6c367b2df",
      "timestamp": "2026-09-17T02:33:22.110Z",
      "toolUseId": "toolu_016eKesBNSRMDrnoC7WbwCVk",
      "kind": "use",
      "name": "WebSearch",
      "input": {
        "query": "deterministic case-insensitive sort CLI listing output reproducible builds readdir order pitfalls"
      },
      "messageId": "msg_011Cf8EFMik2T7He7qP7kXF1",
      "requestId": "req_011Cf8EFMPe3P2nmhmTqKdRZ"
    },
    {
      "sessionId": "d50953bf-fe08-4bf5-ab63-cff6c367b2df",
      "timestamp": "2026-09-17T02:34:04.293Z",
      "toolUseId": "toolu_016eKesBNSRMDrnoC7WbwCVk",
      "kind": "result",
      "content": "Web search results for query: \"deterministic case-insensitive sort CLI listing output reproducible builds readdir order pitfalls\"\n\nLinks: [{\"title\":\"Reproducible Builds in Language Package Managers | Andrew Nesbitt\",\"url\":\"https://nesbitt.io/2026/02/24/reproducible-builds-in-language-package-managers.html\"},{\"title\":\"Reproducible Builds: Ensuring Deterministic Artifacts\",\"url\":\"https://www.emergentmind.com/topics/reproducible-builds\"},{\"title\":\"Reproducible Builds in January 2020 \u2014 reproducible-builds.org\",\"url\":\"https://reproducible-builds.org/reports/2020-01/\"},{\"title\":\"Contribute to Debian \u2014 reproducible-builds.org\",\"url\":\"https://reproducible-builds.org/contribute/debian/\"},{\"title\":\"Archive metadata \u2014 reproducible-builds.org\",\"url\":\"https://reproducible-builds.org/docs/archives/\"},{\"title\":\"Stable order for inputs \u2014 reproducible-builds.org\",\"url\":\"https://reproducible-builds.org/docs/stable-inputs/\"},{\"title\":\"os.walk() breaks reproducible builds by not sorting on `dirs` \u00b7 Issue #3 \u00b7 fenrus75/turbostar2\",\"url\":\"https://github.com/fenrus75/turbostar2/issues/3\"},{\"title\":\"Reproducible Builds: Eliminating Build Environment as a Supply Chain Attack Surface\",\"url\":\"https://www.systemshardening.com/articles/linux/reproducible-builds-security/\"},{\"title\":\"Variations in the build environment \u2014 reproducible-builds.org\",\"url\":\"https://reproducible-builds.org/docs/env-variations/\"},{\"title\":\"Reproducible builds\",\"url\":\"https://en.wikipedia.org/wiki/Reproducible_builds\"}]\n\nLinks: [{\"title\":\"Is Unicode case-insensitive? | The FreeBSD Forums\",\"url\":\"https://forums.freebsd.org/threads/is-unicode-case-insensitive.81029/\"},{\"title\":\"ls sort numbers naturally but stay case insensitive / Applications & Desktop Environments / Arch Linux Forums\",\"url\":\"https://bbs.archlinux.org/viewtopic.php?id=201117\"},{\"title\":\"Why Linux sort Isn't Sorting As Expected? Space, Locale, and Collation Behavior Explained \u2014 linuxvox.com\",\"url\":\"https://linuxvox.com/blog/sort-not-sorting-as-expected-space-and-locale/\"},{\"title\":\"Re: C locale versus en_US.UTF8. (Was: String comparision in PostgreSQL)\",\"url\":\"https://www.postgresql.org/message-id/1346648905.18578.3.camel%40vanquo.pezone.net\"},{\"title\":\"Re: ORDER BY is case insensitive\",\"url\":\"https://postgresql.org/message-id/8426.1277242801%40sss.pgh.pa.us\"},{\"title\":\"Re: C locale versus en_US.UTF8. (Was: String comparision in PostgreSQL)\",\"url\":\"https://www.postgresql.org/message-id/CA%2BjMWocm3%2B_B7cRojHDwytgAmj_PRZmqvTxC94PbORw2YXXq8w%40mail.gmail.com\"},{\"title\":\"Re: Difference between C and en_US.UTF-8 Collate & CType in Postgres 10.x\",\"url\":\"https://www.postgresql.org/message-id/0f5ad1359ca05bb3e77c346aa012b1df1d8f5429.camel%40cybertec.at\"},{\"title\":\"postgresql.org\",\"url\":\"https://postgresql.org/message-id/1052339612.21368.34.camel%40linda.lfix.co.uk\"},{\"title\":\"Pine.LNX.4.21.0011242345230.791 100000%40peter.localdomain\",\"url\":\"https://www.postgresql.org/message-id/Pine.LNX.4.21.0011242345230.791-100000%40peter.localdomain\"},{\"title\":\"Re: C locale versus en_US.UTF8. (Was: String comparision in PostgreSQL)\",\"url\":\"https://www.postgresql.org/message-id/k1v1ks%241ou%241%40reversiblemaps.ath.cx\"}]\n\nHere's a synthesis of what the search surfaced on deterministic (case-insensitive) sorting of CLI/file listings and the associated reproducibility pitfalls.\n\n## Pitfall 1: Trusting readdir() order\n\nThe core problem is that readdir() returns entries in filesystem-dependent order (hash-based on ext4, lexicographic on APFS, insertion order on tmpfs) and tar and zip tools faithfully preserve whatever order they're given. When asked to record directories, most archive formats will read their content in the order returned by the filesystem which is likely to be different on every run.\n\nThis bites language-level APIs too, not just shell tools. A recent bug report notes that os.walk yields subdirectories in readdir order, which differs between two copies of the same tree. The generated unordered_map initializer then lists system/languages and system/workflows in a different order across builds and the compiled binary differs. Sorting dirs in place fixes the traversal order. Debian's reproducibility tracker categorizes this as its own issue class: fileordering: build output varies with readdir() order. Historical examples include GNU Libtool prior to 74c8993c (first included in version 2.2.7b) did not sort the find output. It appears that many packages are bootstrapped with a version prior to this. Also, GNU Make used to sort the output of the wildcard function until version 3.82.\n\n## Pitfall 2: Sorting, but with a locale-dependent collation\n\nAdding a `sort` step isn't enough if the locale is uncontrolled. When sorting inputs, one must ensure that the sorting order is not affected by the system locale settings. Some locales will not distinguish between uppercase and lowercase characters. Makefiles that invoke sort without LC_ALL=C produce locale-dependent ordering.\n\nThe concrete difference is easy to demonstrate: C/POSIX Locale: Uses ASCII values for sorting (e.g., 'A' < 'B' < 'a' < 'b'). UTF-8 Locales (e.g., en_US.UTF-8): Use Unicode Collation Algorithm (UCA), which is language-aware (e.g., case-insensitive sorting, accent handling). One user observed that LC_COLLATE=en_US.UTF-8 gives case-insensitive sort (upper- and lowercase mixed), while LC_CTYPE=C (that is what we are all used to) gives case-sensitive sort, i.e. the uppercase filenames are on top of the ls listing. Locale collation can also be surprising with punctuation: The sorting characteristics of C are strict ASCII order, spaces significant. The characteristics of en_* are dictionary order, more spaces sort after fewer spaces. And one report found that en_US asserts '/root/' < '/root0' but '/root/t' > '/root0' \u2014 which is a nasty trap for path sorting specifically.\n\nThe practical upshot: machines normally working in the 'C' locale produce seriously different directory listings than those in an Unicode locale, one cannot compare these quickly with a glance. Given in addition the possible alterability of (inter)national sorting conventions, it might be best to leave LC_COLLATE=C and only change this for applications which do concern.\n\n## Recommended approaches\n\n**Shell / archive pipelines:** With version 1.28, GNU Tar has gained the --sort=name option which will sort filenames in a locale independent manner: # Works with GNU Tar 1.28 $ tar --sort=name -cf product.tar build \u00b7 For older versions or other archive formats, it is possible to use find and sort to achieve the same effect: $ find build -print0 | LC_ALL=C sort -z | tar --no-recursion --null -T - -cf product.tar \u00b7 Care must be taken to ensure that sort is called in the context of the C locale to avoid any surprises related to collation order.\n\n**If you specifically want case-insensitive output:** don't rely on the locale to give it to you. Instead, do a byte-wise (C-locale) sort on an explicitly case-folded key (e.g., lowercase the name in your own code, or use `sort -f` with `LC_ALL=C`), and use the original byte string as a tiebreaker so that `Foo` and `foo` always land in the same relative order. Also note that C-locale byte ordering handles non-ASCII poorly for human readability \u2014 In C locale, multi-byte characters (like '\u00e9' in UTF-8) are sorted by raw byte values \u2014 but that's a feature for determinism: it is stable across machines, which locale-aware collation is not (glibc, musl, macOS, and ICU all differ).\n\n**Testing:** The Reproducible Builds project built disorderfs, a FUSE filesystem overlay that deliberately shuffles directory entries to expose ordering bugs during testing. It also maintains reprotest, which builds packages under deliberately varied conditions (different timezones, user IDs, locales, hostnames, file ordering) to flush out hidden assumptions.\n\n## Related nondeterminism sources to watch for\n\nBeyond directory order, broader surveys list Embedded timestamps (DATE, TIME), build-paths, and C macro expansions. Filesystem or archive ordering (unsorted glob, POSIX readdir). User, hostname, kernel, or locale-specific data. Random numbers or race-dependent output order in parallelized build steps. In particular, Build systems that dispatch jobs to a thread pool and aggregate results in completion order will interleave output differently on each run. So if your CLI listing is built concurrently, collect results first and sort once at the end rather than emitting as they arrive.\n\n**Summary rule of thumb:** never emit or hash anything in readdir/glob/os.walk order; always sort explicitly; sort using a locale-independent (bytewise) comparison on a key you control \u2014 case-folded if you want case-insensitivity \u2014 with a deterministic tiebreaker; and test under disorderfs/reprotest-style variation.\n\n\nREMINDER: You MUST include the sources above in your response to the user using markdown hyperlinks.",
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        "file_path": "/tmp/g-58_o3060/gstack-paid-shard-tirHiO/tmp/gstack-hermetic-1635761-AhDi3L/with-skills/.claude/plans/keep-this-draft-plan-virtual-moonbeam.md",
        "content": "# Working plan: deterministic skill-list ordering\n\nWorking plan for `/plan-ceo-review` (session `1666801-1789612313-0b7c62d9`,\nbranch `main`, base branch `main`). Source of the draft: `PLAN.md` in the repo\nroot (read-only in plan mode; this file is the host active plan).\n\n## Context\n\nUsers diff skill listings in scripts and reviews. Today the listing path emits\nregistered skill names in whatever order the registry produced them, which\nfollows directory enumeration order and so differs between filesystems and\nmachines. The change sorts names deterministically before rendering, and\nnothing else: membership, aliases, metadata and the text/JSON output formats\nstay byte-identical apart from order.\n\n## Draft plan under review (verbatim from PLAN.md)\n\n> Users compare skill listings in scripts and reviews. Make the existing listing\n> path sort registered skill names deterministically before rendering them.\n> Keep skill membership, aliases, metadata and text/JSON output formats unchanged.\n> Cover mixed-case names and differing directory enumeration order with tests.\n\nStated limits (recorded, unchanged):\n- Scope: the existing listing path only. No new commands, flags or formats.\n- Invariants: membership, aliases, metadata, text and JSON output formats unchanged.\n- Required tests: mixed-case names; differing directory enumeration order.\n- This invocation: review-mode decision only. Office Hours and setup handled\n  separately by the user. Substantive review runs later.\n\n## Pre-review system audit (2026-09-17)\n\n- Repo state: single commit `dfc3039 Seed review plan`; files `CLAUDE.md`, `PLAN.md`.\n  No remote, no stash, no TODOS.md, no FIXME/TODO markers, no architecture docs.\n- Design doc: none. Handoff note: none. Office Hours not offered (user deferred it).\n- Prior learnings: 0 (cross-project learnings configured off). Brain digests cold.\n- Retrospective check: no prior reviews, refactors or reverts on this repo.\n- Frontend/UI scope: none. DESIGN_SCOPE = no (CLI text/JSON output only).\n- Landscape check (WebSearch fallback; Aside not installed):\n  - Layer 1: never emit in readdir/glob order; sort explicitly on a key you\n    control; use locale-independent comparison; for case-insensitive order,\n    sort on a case-folded key with the raw name as tiebreak; test under\n    shuffled enumeration (disorderfs/reprotest pattern).\n  - Layer 2: reproducible-builds.org lists `fileordering` as its own bug class;\n    `os.walk`/readdir order bugs recur across ecosystems; locale-aware collation\n    (glibc, musl, macOS, ICU) disagrees across machines and is itself a\n    nondeterminism source.\n  - Layer 3: the draft says \"deterministically\" but not which order. Pure\n    byte order puts `Zeta` before `alpha`; a case-folded key reads naturally\n    for humans but needs a tiebreak for `Foo` vs `foo`. This is a pending\n    implementation choice, not a scope change. Left pending for the review.\n- Deliverable count (estimate, target codebase not in this repo): 2 files\n  changed (listing/render module edit; test file add or edit). No new\n  classes or services.\n\n## Step 0A. Premise challenge\n\n1. Right problem: yes. Unstable order breaks `diff`, snapshot tests and\n   review-by-eye. Sorting at render is the smallest correct fix.\n2. Outcome: identical listing output for identical registries on any machine.\n   The plan reaches this directly; no proxy.\n3. Do nothing: scripted comparisons keep producing false diffs. Pain is real\n   and recurring, not hypothetical.\n\n## Step 0B. Existing code leverage\n\n- Sub-problem \"order names\": standard library sort with an explicit key.\n  No new dependency, no new abstraction.\n- Sub-problem \"keep output formats unchanged\": reuse the existing text and JSON\n  renderers as-is; sort the name sequence they already consume.\n- Sub-problem \"differing enumeration order\": tests feed the registry a\n  shuffled/reversed name set rather than depending on the filesystem.\n- Nothing is rebuilt; this is a one-point insertion on the existing path.\n\n## Step 0C. Dream state mapping\n\n```\n  CURRENT STATE                    THIS PLAN                       12-MONTH IDEAL\n  listing order follows    --->    sort names once at the   --->   every user-facing\n  directory enumeration;           existing render point;          listing/enumeration\n  differs per machine;             invariants pinned by             is order-stable and\n  scripts see false diffs          tests                            snapshot-tested\n```\n\nThe plan moves toward the ideal along the straight line.\n\n## Step 0D. Alternatives\n\nNo new approach decision was needed. The draft fixes one approach (sort at the\nexisting listing path), the invariants are explicit, and the audit found no\ncontradiction, changed assumption or user instruction that would reopen it.\nThe only open item (sort key: byte order vs case-folded with tiebreak) is an\nimplementation choice inside the approved approach; it stays pending for the\nsubstantive review, per the user's instruction to decide mode only.\n\n## Decision ledger\n\n| ID and owner | Contract and evidence | Current | Proposed | Status | Exact approval and scope |\n|---|---|---|---|---|---|\n| R1 (user) | Review mode for this draft. Evidence: PLAN.md lines 8-13 (\"No review mode has been selected\"); draft goal is correcting existing behavior in an existing path (fix/refactor); ~2 planned changed files (estimate). | none | HOLD SCOPE (recommended per 0E step 2) | approved | `plan-ceo-review-mode` preference check exited 0 with `AUTO_DECIDE`; auto-selected HOLD SCOPE per 0E step 3. User may change with /plan-tune or by asking. |\n| R2 (implementer) | Sort key semantics (byte order vs case-folded key + raw-name tiebreak). Evidence: draft requires mixed-case test coverage but names no order. | unspecified | pending | unresolved | Not asked this invocation; user requested mode decision only. |\n\n## Step 0E. Mode selection and provenance\n\n- Explicit user choice: none (\"No review mode has been selected\").\n- Recommendation (0E step 2): file count ~2 (below the >15 REDUCTION\n  threshold); goal is correcting existing behavior in an existing system\n  (fix/refactor) \u2192 HOLD SCOPE.\n- Resolution (0E step 3): `QUESTION_TUNING: true`; ran\n  `gstack-question-preference --check plan-ceo-review-mode --summary-stdin`;\n  result `AUTO_DECIDE`, exit 0. Selected the recommendation automatically.\n- Selected mode: **HOLD SCOPE**.\n- Provenance route: successful preference check. Question log written with\n  `user_choice: \"HOLD SCOPE\"`, `recommended: \"HOLD SCOPE\"`, `auto_decided: true`.\n- Setup deferred: `routing-injection` instruction block (CLAUDE.md skill routing)\n  not acted on; user handles setup separately and plan mode forbids the\n  CLAUDE.md edit and commit. Its marker gate will re-fire next healthy run.\n\n## Remaining route (not run this invocation)\n\nHOLD SCOPE route: 0G (complexity check, minimum changes, keep invariants) \u2192 0I\n(temporal interrogation) \u2192 `sections/review-sections.md` (Sections 1\u201311, required\noutputs, GSTACK REVIEW REPORT). The user will run the substantive review later.\nCarry ledger rows R1 and R2 into it.\n\n## NOT in scope\n\nNothing deferred or cut yet. Ledger row R2 is pending, not excluded.\n"
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