Files
msd-core/gsd-core/workflows/undo.md
Tom Boucher cf15682d1c enhance(#3028): responsive Markdown separators instead of fixed-width rules (#3789)
* feat(#3028): responsive Markdown separators instead of fixed-width rules

Stage banners, checkpoints, completion and error panels used fixed-width
runs of box-drawing characters -- a 53-column heavy rule and a 62-column
double-line box. Those runs are ordinary text to a Markdown-rendering
host, so in a narrower pane they wrap and the border comes apart from
the heading it framed.

Shipped content now emits an ATX heading for a titled section and a
blank-line-delimited --- for a break between sections, both of which
adapt to the available width. The same convention is applied to the
three code sites that built these strings at runtime: the UAT
checkpoint renderer, the milestone-close audit report, and the TDD
review checkpoint table.

Removing the box also removes its only reason to exist -- the
east-asian-width padding helpers that kept its right border aligned
(checkpointBoxLine, displayWidth, isWideCodePoint, ZERO_WIDTH_MARK_RE,
CHECKPOINT_BOX_WIDTH). RTL directional isolation is unchanged.

The convention is specified in gsd-core/references/ui-brand.md and
enforced across all shipped content by tests/responsive-separators.test.cjs.

Refs #3028

* test(#3028): pin the heading form in checkpoint and audit-report assertions

These suites asserted the exact box borders and the 62-column padded
banner interior. With the box gone they assert the ### heading form,
the --- break and the bolded instruction line, and each now carries a
positive assertion that no box character remains -- which is what pins
the fix rather than merely tolerating it.

Language coverage is converted, not dropped: Japanese, Chinese, Korean,
Hindi and Arabic all still assert their rendered banner, and the Arabic
case still asserts the RTL directional isolates the box removal must
not disturb. Adds a case for a banner longer than the old inner width,
which previously produced a ragged border and now has none.

Refs #3028

* chore(#3028): acknowledge execute-plan.md growth from the checkpoint display spec

The checkpoint_protocol display spec described the drawn box; it now
describes the heading, the --- break and the bolded action prompt,
which costs 22 bytes (40111 -> 40133, 827 under the cap).

Appended to the existing #3370 fragment rather than filed as a new one:
a growth ack keys on the bare filename and #3370 already declares
execute-plan.md, so a second source naming it would be a hard
duplicate-key error. Same supersede-by-append route #3370 took for the
spent #2652 fragment.

Refs #3028

* docs(#3028): state the load-bearing half of the separator rule, and amend the zh-CN reference

Review found three things.

The rule as first written demanded a blank line above AND below every
---. Only the one above is load-bearing: it is what stops CommonMark
reading the rule as a setext underline for the line above. The one below
is cosmetic, because a thematic break is a leaf block. The rule now says
that, with the reason, instead of asserting a stricter form the content
does not keep.

The zh-CN reference had received the mechanical box-to-heading swap but
none of the prose behind it: it still claimed a 62-character checkpoint
width and still listed --- among forbidden mixed banner styles, so it
contradicted the convention it was translating. It now carries the
separator section, the setext reasoning, the unconditional-vs-per-runtime
rationale and a corrected anti-pattern list, in Chinese.

The user guide asserted that a heading is not a degradation anywhere.
That is an assertion, not a demonstration. It now says what was actually
traded away in a plain terminal, points at the recorded rationale, and
invites the report that would justify the capability flag instead.

Refs #3028

* chore(#3028): backfill changeset PR number

Refs #3028

---------

Co-authored-by: sim <sim@local>
2026-08-23 22:38:12 -04:00

13 KiB

Safe git revert workflow. Rolls back GSD phase or plan commits using the phase manifest with dependency checks and a confirmation gate. Uses git revert --no-commit (NEVER git reset) to preserve history.

<required_reading> @/.claude/gsd-core/references/ui-brand.md @/.claude/gsd-core/references/gate-prompts.md </required_reading>

```bash _GSD_SHIM_NAME="gsd-tools.cjs"; _GSD_RUNTIME_ROOT="${RUNTIME_DIR:-$(git rev-parse --show-toplevel 2>/dev/null || pwd)}"; GSD_TOOLS="${_GSD_RUNTIME_ROOT}/gsd-core/bin/${_GSD_SHIM_NAME}"; if [ -f "$GSD_TOOLS" ]; then gsd_run() { node "$GSD_TOOLS" "$@"; }; elif [ -f "${_GSD_RUNTIME_ROOT}/.claude/gsd-core/bin/${_GSD_SHIM_NAME}" ]; then GSD_TOOLS="${_GSD_RUNTIME_ROOT}/.claude/gsd-core/bin/${_GSD_SHIM_NAME}"; gsd_run() { node "$GSD_TOOLS" "$@"; }; elif [ -f "${_GSD_RUNTIME_ROOT}/.codex/gsd-core/bin/${_GSD_SHIM_NAME}" ]; then GSD_TOOLS="${_GSD_RUNTIME_ROOT}/.codex/gsd-core/bin/${_GSD_SHIM_NAME}"; gsd_run() { node "$GSD_TOOLS" "$@"; }; elif command -v gsd-tools >/dev/null 2>&1; then GSD_TOOLS="$(command -v gsd-tools)"; gsd_run() { "$GSD_TOOLS" "$@"; }; elif [ -f "${CLAUDE_CONFIG_DIR:-$HOME/.claude}/gsd-core/bin/${_GSD_SHIM_NAME}" ]; then GSD_TOOLS="${CLAUDE_CONFIG_DIR:-$HOME/.claude}/gsd-core/bin/${_GSD_SHIM_NAME}"; gsd_run() { node "$GSD_TOOLS" "$@"; }; elif [ -f "${HERMES_HOME:-$HOME/.hermes}/gsd-core/bin/${_GSD_SHIM_NAME}" ]; then GSD_TOOLS="${HERMES_HOME:-$HOME/.hermes}/gsd-core/bin/${_GSD_SHIM_NAME}"; gsd_run() { node "$GSD_TOOLS" "$@"; }; elif [ -f "${CURSOR_CONFIG_DIR:-$HOME/.cursor}/gsd-core/bin/${_GSD_SHIM_NAME}" ]; then GSD_TOOLS="${CURSOR_CONFIG_DIR:-$HOME/.cursor}/gsd-core/bin/${_GSD_SHIM_NAME}"; gsd_run() { node "$GSD_TOOLS" "$@"; }; elif [ -f "${CODEX_HOME:-$HOME/.codex}/gsd-core/bin/${_GSD_SHIM_NAME}" ]; then GSD_TOOLS="${CODEX_HOME:-$HOME/.codex}/gsd-core/bin/${_GSD_SHIM_NAME}"; gsd_run() { node "$GSD_TOOLS" "$@"; }; elif [ -f "${GEMINI_CONFIG_DIR:-$HOME/.gemini}/gsd-core/bin/${_GSD_SHIM_NAME}" ]; then GSD_TOOLS="${GEMINI_CONFIG_DIR:-$HOME/.gemini}/gsd-core/bin/${_GSD_SHIM_NAME}"; gsd_run() { node "$GSD_TOOLS" "$@"; }; elif [ -f "${COPILOT_CONFIG_DIR:-$HOME/.copilot}/gsd-core/bin/${_GSD_SHIM_NAME}" ]; then GSD_TOOLS="${COPILOT_CONFIG_DIR:-$HOME/.copilot}/gsd-core/bin/${_GSD_SHIM_NAME}"; gsd_run() { node "$GSD_TOOLS" "$@"; }; elif [ -f "${WINDSURF_CONFIG_DIR:-$HOME/.codeium/windsurf}/gsd-core/bin/${_GSD_SHIM_NAME}" ]; then GSD_TOOLS="${WINDSURF_CONFIG_DIR:-$HOME/.codeium/windsurf}/gsd-core/bin/${_GSD_SHIM_NAME}"; gsd_run() { node "$GSD_TOOLS" "$@"; }; elif [ -f "${AUGMENT_CONFIG_DIR:-$HOME/.augment}/gsd-core/bin/${_GSD_SHIM_NAME}" ]; then GSD_TOOLS="${AUGMENT_CONFIG_DIR:-$HOME/.augment}/gsd-core/bin/${_GSD_SHIM_NAME}"; gsd_run() { node "$GSD_TOOLS" "$@"; }; elif [ -f "${TRAE_CONFIG_DIR:-$HOME/.trae}/gsd-core/bin/${_GSD_SHIM_NAME}" ]; then GSD_TOOLS="${TRAE_CONFIG_DIR:-$HOME/.trae}/gsd-core/bin/${_GSD_SHIM_NAME}"; gsd_run() { node "$GSD_TOOLS" "$@"; }; elif [ -f "${QWEN_CONFIG_DIR:-$HOME/.qwen}/gsd-core/bin/${_GSD_SHIM_NAME}" ]; then GSD_TOOLS="${QWEN_CONFIG_DIR:-$HOME/.qwen}/gsd-core/bin/${_GSD_SHIM_NAME}"; gsd_run() { node "$GSD_TOOLS" "$@"; }; elif [ -f "${CODEBUDDY_CONFIG_DIR:-$HOME/.codebuddy}/gsd-core/bin/${_GSD_SHIM_NAME}" ]; then GSD_TOOLS="${CODEBUDDY_CONFIG_DIR:-$HOME/.codebuddy}/gsd-core/bin/${_GSD_SHIM_NAME}"; gsd_run() { node "$GSD_TOOLS" "$@"; }; elif [ -f "${CLINE_CONFIG_DIR:-$HOME/.cline}/gsd-core/bin/${_GSD_SHIM_NAME}" ]; then GSD_TOOLS="${CLINE_CONFIG_DIR:-$HOME/.cline}/gsd-core/bin/${_GSD_SHIM_NAME}"; gsd_run() { node "$GSD_TOOLS" "$@"; }; elif [ -f "${GROK_AGENTS_HOME:-$HOME/.agents}/gsd-core/bin/${_GSD_SHIM_NAME}" ]; then GSD_TOOLS="${GROK_AGENTS_HOME:-$HOME/.agents}/gsd-core/bin/${_GSD_SHIM_NAME}"; gsd_run() { node "$GSD_TOOLS" "$@"; }; elif [ -f "${ANTIGRAVITY_CONFIG_DIR:-$HOME/.gemini/antigravity}/gsd-core/bin/${_GSD_SHIM_NAME}" ]; then GSD_TOOLS="${ANTIGRAVITY_CONFIG_DIR:-$HOME/.gemini/antigravity}/gsd-core/bin/${_GSD_SHIM_NAME}"; gsd_run() { node "$GSD_TOOLS" "$@"; }; elif [ -f "${OPENCODE_CONFIG_DIR:-${XDG_CONFIG_HOME:-$HOME/.config}/opencode}/gsd-core/bin/${_GSD_SHIM_NAME}" ]; then GSD_TOOLS="${OPENCODE_CONFIG_DIR:-${XDG_CONFIG_HOME:-$HOME/.config}/opencode}/gsd-core/bin/${_GSD_SHIM_NAME}"; gsd_run() { node "$GSD_TOOLS" "$@"; }; elif [ -f "${KILO_CONFIG_DIR:-${XDG_CONFIG_HOME:-$HOME/.config}/kilo}/gsd-core/bin/${_GSD_SHIM_NAME}" ]; then GSD_TOOLS="${KILO_CONFIG_DIR:-${XDG_CONFIG_HOME:-$HOME/.config}/kilo}/gsd-core/bin/${_GSD_SHIM_NAME}"; gsd_run() { node "$GSD_TOOLS" "$@"; }; else echo "ERROR: gsd-tools.cjs not found at $GSD_TOOLS and gsd-tools is not on PATH. Run: npx -y @opengsd/gsd-core@latest --claude --local" >&2; exit 1; fi; if [ -n "${CLAUDE_ENV_FILE:-}" ] && [ -n "${GSD_TOOLS:-}" ]; then printf "export PATH='%s':\"\$PATH\"\n" "${GSD_TOOLS%/*}" >> "$CLAUDE_ENV_FILE" 2>/dev/null || true; fi RESPONSE_LANGUAGE=$(gsd_run query config-get response_language --default "" 2>/dev/null || echo "") ```

If response_language is set: All user-facing questions, prompts, and explanations in this workflow MUST be presented in {response_language}. Technical terms, code, file paths, and subagent prompts stay in English — only user-facing output is translated.

Display the stage banner:
### GSD ► UNDO
Parse $ARGUMENTS for the undo mode:
  • --last N → MODE=last, COUNT=N (integer, default 10 if N missing)
  • --phase NN → MODE=phase, TARGET_PHASE=NN (two-digit phase number)
  • --plan NN-MM → MODE=plan, TARGET_PLAN=NN-MM (phase-plan ID)

If no valid argument is provided, display usage and exit:

Usage: /gsd:undo --last N | --phase NN | --plan NN-MM

Modes:
  --last N      Show last N GSD commits for interactive selection
  --phase NN    Revert all commits for phase NN
  --plan NN-MM  Revert all commits for plan NN-MM

Examples:
  /gsd:undo --last 5
  /gsd:undo --phase 03
  /gsd:undo --plan 03-02
Based on MODE, gather candidate commits.

MODE=last:

Run:

git log --oneline --no-merges -${COUNT}

Filter for GSD conventional commits matching type(scope): message pattern (e.g., feat(04-01):, docs(03):, fix(02-03):).

Display a numbered list of matching commits:

Recent GSD commits:
  1. abc1234 feat(04-01): implement auth endpoint
  2. def5678 docs(03-02): complete plan summary
  3. ghi9012 fix(02-03): correct validation logic

Text mode (workflow.text_mode: true in config or --text flag): Set TEXT_MODE=true if --text is present in $ARGUMENTS OR text_mode from init JSON is true. When TEXT_MODE is active, replace every AskUserQuestion call with a plain-text numbered list and ask the user to type their choice number. This is required for non-Claude runtimes (OpenAI Codex, Gemini CLI, etc.) where AskUserQuestion is not available. Use AskUserQuestion to ask:

  • question: "Which commits to revert? Enter numbers (e.g., 1,3) or 'all'"
  • header: "Select"

Parse the user's selection into COMMITS list.


MODE=phase:

Read .planning/.phase-manifest.json if it exists.

If the file exists and manifest.phases?.[TARGET_PHASE]?.commits is a non-empty array:

  • Use manifest.phases[TARGET_PHASE].commits entries as COMMITS (each entry is a commit hash)

If the file does not exist, or manifest.phases?.[TARGET_PHASE] is missing:

  • Display: "Manifest has no entry for phase ${TARGET_PHASE} (or file missing), falling back to git log search"
  • Fallback: run git log and filter for the target phase scope:
    git log --oneline --no-merges --all | grep -E "\(0*${TARGET_PHASE}(-[0-9]+)?\):" | head -50
    
  • Use matching commits as COMMITS

MODE=plan:

Run:

git log --oneline --no-merges --all | grep -E "\(${TARGET_PLAN}\)" | head -50

Use matching commits as COMMITS.


Empty check:

If COMMITS is empty after gathering:

No commits found for ${MODE} ${TARGET}. Nothing to revert.

Exit cleanly.

**Applies when MODE=phase or MODE=plan.**

Skip this step entirely for MODE=last.


MODE=phase:

Read .planning/ROADMAP.md inline.

Search for phases that list a dependency on the target phase. Look for patterns like:

  • "Depends on: Phase ${TARGET_PHASE}"
  • "Depends on: ${TARGET_PHASE}"
  • "depends_on: [${TARGET_PHASE}]"

For each dependent phase N found:

  1. Check if .planning/phases/${N}-*/ directory exists
  2. If directory exists, check for any PLAN.md or SUMMARY.md files inside it

If any downstream phase has started work, collect warnings:

⚠  Downstream dependency detected:
   Phase ${N} depends on Phase ${TARGET_PHASE} and has started work.

MODE=plan:

Extract the phase number from TARGET_PLAN (the NN part of NN-MM). Extract the plan number (the MM part).

Look for later plans in the same phase directory (.planning/phases/${NN}-*/). For each later plan (plans with number > MM):

  1. Read the later plan's PLAN.md
  2. Check if its <files> sections or consumes fields reference outputs from the target plan

If any later plan references the target plan's outputs, collect warnings:

⚠  Intra-phase dependency detected:
   Plan ${LATER_PLAN} in phase ${NN} references outputs from plan ${TARGET_PLAN}.

If any warnings exist (from either mode):

  • Display all warnings
  • Use AskUserQuestion with approve-revise-abort pattern:
    • question: "Downstream work depends on the target being reverted. Proceed anyway?"
    • header: "Confirm"
    • options: Proceed | Abort

If user selects "Abort": exit with "Revert cancelled. No changes made."

Display the confirmation gate using approve-revise-abort pattern from gate-prompts.md.

Show:

The following commits will be reverted (in reverse chronological order):

  {hash} — {message}
  {hash} — {message}
  ...

Total: {N} commit(s) to revert

Use AskUserQuestion:

  • question: "Proceed with revert?"
  • header: "Approve?"
  • options: Approve | Abort

If "Abort": display "Revert cancelled. No changes made." and exit. If "Approve": ask for a reason:

AskUserQuestion(
  header: "Reason",
  question: "Brief reason for the revert (used in commit message):",
  options: []
)

Store the response as REVERT_REASON. Continue to execute_revert.

**HARD CONSTRAINT: Use git revert --no-commit. NEVER use git reset (except for conflict cleanup as documented below).**

Dirty-tree guard (run first, before any revert):

Run git status --porcelain. If the output is non-empty, display the dirty files and abort:

Working tree has uncommitted changes. Commit or stash them before running /gsd:undo.

Exit immediately — do not proceed to any revert operations.


Sort COMMITS in reverse chronological order (newest first). If commits came from git log (already newest-first), they are already in correct order.

For each commit hash in COMMITS:

git revert --no-commit ${HASH}

If any revert fails (merge conflict or error):

  1. Display the error message
  2. Run cleanup — handle both first-call and mid-sequence cases:
    # Try git revert --abort first (works if this is the first failed revert)
    git revert --abort 2>/dev/null
    # If prior --no-commit reverts already staged cleanly before this failure,
    # revert --abort may be a no-op. Clean up staged and working tree changes:
    git reset HEAD 2>/dev/null
    git restore . 2>/dev/null
    
  3. Display:

ERROR

Revert failed on commit ${HASH}. Likely cause: merge conflict with subsequent changes.

To fix: Resolve the conflict manually or revert commits individually. All pending reverts have been aborted — working tree is clean.

4. Exit with error.

After all reverts are staged successfully, create a single commit:

For MODE=phase:
```bash
git commit -m "revert(${TARGET_PHASE}): undo phase ${TARGET_PHASE} — ${REVERT_REASON}"

For MODE=plan:

git commit -m "revert(${TARGET_PLAN}): undo plan ${TARGET_PLAN} — ${REVERT_REASON}"

For MODE=last:

git commit -m "revert: undo ${N} selected commits — ${REVERT_REASON}"
Display the completion banner:
### GSD ► UNDO COMPLETE ✓

Show summary:

  ✓ ${N} commit(s) reverted
  ✓ Single revert commit created: ${REVERT_HASH}

Show next steps:

---

## ▶ Next Up — [${PROJECT_CODE}] ${PROJECT_TITLE}

**Review state** — verify project is in expected state after revert

/clear then:

/gsd:progress

---

**Also available:**
- `/gsd:execute-phase ${PHASE}` — re-execute if needed
- `/gsd:undo --last 1` — undo the revert itself if something went wrong

---

<success_criteria>

  • Arguments parsed correctly for all three modes
  • --phase mode reads .planning/.phase-manifest.json using manifest.phases[TARGET_PHASE].commits
  • --phase mode falls back to git log if manifest entry missing
  • Dependency check warns when downstream phases have started (MODE=phase)
  • Dependency check warns when later plans reference target plan outputs (MODE=plan)
  • Dirty-tree guard aborts if working tree has uncommitted changes
  • Confirmation gate shown before any revert execution
  • Reverts use git revert --no-commit in reverse chronological order
  • Single commit created after all reverts staged
  • Error handling cleans up both first-call and mid-sequence conflict cases
  • git reset --hard is NEVER used anywhere in this workflow </success_criteria>