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v1.26.3.0 feat: /sync-gbrain skill + native code-surface orchestrator (#1314)

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* feat: native gbrain code-surface orchestrator + ensureSourceRegistered helper

Replaces gbrain import (markdown only) with gbrain sources add + sync
--strategy code (or reindex-code on --full). Adds lib/gbrain-sources.ts
exporting ensureSourceRegistered/probeSource/sourcePageCount, plus lock
file + tmp-rename atomicity + dry-run write skip in the orchestrator.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* feat: setup-gbrain Step 8 writes ## GBrain Search Guidance after smoke test

Extends Step 8 to write a machine-agnostic guidance block that teaches
the agent when to prefer gbrain CLI (search/query/code-def/code-refs/
code-callers/code-callees) over Grep. Gated on smoke test pass.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* feat: /sync-gbrain skill — keep gbrain current and refresh agent guidance

New top-level skill that wraps gstack-gbrain-sync with state probing,
capability check (write+search round-trip, not gbrain doctor), CLAUDE.md
guidance lifecycle (write iff healthy, remove iff broken), and a
per-source verdict block. Re-runnable, idempotent.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* feat: preamble emits gbrain-availability block when capability ok

Extends generate-brain-sync-block.ts to emit Variant A (steady-state, 4
lines) when cwd page_count > 0 or Variant B (empty-corpus emergency, 3
lines) when 0; empty string otherwise. Reads cached page_count from
.gbrain-sync-state.json (handles pretty + compact JSON). Refreshes ship
golden fixtures and bumps the plan-review preamble byte budget to 35K
to absorb the new block.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs: register /sync-gbrain in AGENTS.md and docs/skills.md

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* chore: regenerate SKILL.md across all hosts (gen:skill-docs)

Mechanical regeneration after preamble + setup-gbrain template + new
sync-gbrain skill. Run via: bun run gen:skill-docs --host all.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* chore: bump version and changelog (v1.26.3.0)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs: add /sync-gbrain to README skills table and gbrain section

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Garry Tan
2026-05-04 09:29:48 -07:00
committed by GitHub
parent 30fe6bb11c
commit db9447c333
59 changed files with 3412 additions and 79 deletions
Download Patch File Download Diff File Expand all files Collapse all files
setup-gbrain/SKILL.md
+73
View File
@@ -342,6 +342,35 @@ _BRAIN_REMOTE_FILE="$HOME/.gstack-brain-remote.txt"
_BRAIN_SYNC_BIN="~/.claude/skills/gstack/bin/gstack-brain-sync"
_BRAIN_CONFIG_BIN="~/.claude/skills/gstack/bin/gstack-config"
# /sync-gbrain context-load: teach the agent to use gbrain when it's available.
# Mutually exclusive variants per /plan-eng-review §4. Empty string when gbrain
# is not configured (zero context cost for non-gbrain users).
_GBRAIN_CONFIG="$HOME/.gbrain/config.json"
if [ -f "$_GBRAIN_CONFIG" ] && command -v gbrain >/dev/null 2>&1; then
_GBRAIN_VERSION_OK=$(gbrain --version 2>/dev/null | grep -c '^gbrain ' || echo 0)
if [ "$_GBRAIN_VERSION_OK" -gt 0 ] 2>/dev/null; then
_SYNC_STATE="$_GSTACK_HOME/.gbrain-sync-state.json"
_CWD_PAGES=0
if [ -f "$_SYNC_STATE" ]; then
# Flatten newlines so the regex works against pretty-printed JSON too.
_CWD_PAGES=$(tr -d '\n' < "$_SYNC_STATE" 2>/dev/null \
| grep -o '"name": *"code"[^}]*"detail": *{[^}]*"page_count": *[0-9]*' \
| grep -o '"page_count": *[0-9]*' | grep -o '[0-9]\+' | head -1)
_CWD_PAGES=${_CWD_PAGES:-0}
fi
if [ "$_CWD_PAGES" -gt 0 ] 2>/dev/null; then
echo "GBrain configured. Prefer \`gbrain search\`/\`gbrain query\` over Grep for"
echo "semantic questions; use \`gbrain code-def\`/\`code-refs\`/\`code-callers\` for"
echo "symbol-aware code lookup. See \"## GBrain Search Guidance\" in CLAUDE.md."
echo "Run /sync-gbrain to refresh."
else
echo "GBrain configured but this repo isn't indexed yet. Run \`/sync-gbrain --full\`"
echo "before relying on \`gbrain search\` for code questions in this repo."
echo "Falls back to Grep until indexed."
fi
fi
fi
_BRAIN_SYNC_MODE=$("$_BRAIN_CONFIG_BIN" get gbrain_sync_mode 2>/dev/null || echo off)
if [ -f "$_BRAIN_REMOTE_FILE" ] && [ ! -d "$_GSTACK_HOME/.git" ] && [ "$_BRAIN_SYNC_MODE" = "off" ]; then
@@ -1130,6 +1159,50 @@ Find-and-replace (or append) this section in CLAUDE.md:
- Current repo policy: {read-write|read-only|deny|unset}
```
**After Step 9 (smoke test) passes, also write the `## GBrain Search Guidance`
block** so the coding agent learns when to prefer `gbrain` over Grep. This
block is gated on the smoke test passing — write the Configuration block
first (so the user knows what state they're in even if the smoke test fails),
then return here after Step 9 and write the guidance block only if smoke
test succeeded.
When Step 9 passes, find-and-replace (or append) this block. Use HTML-comment
delimiters so removal regex is unambiguous and never eats user content. The
block content is machine-AGNOSTIC — no engine type, no page counts, no
last-sync time. Machine state stays in the Configuration block above.
```markdown
## GBrain Search Guidance (configured by /sync-gbrain)
<!-- gstack-gbrain-search-guidance:start -->
GBrain is set up and synced on this machine. The agent should prefer gbrain
over Grep when the question is semantic or when you don't know the exact
identifier yet. Two indexed corpora available via the `gbrain` CLI:
- This repo's code (registered as `gstack-code-<repo>` source).
- `~/.gstack/` curated memory (registered as `gstack-brain-<user>` source via
the existing federation pipeline).
Prefer gbrain when:
- "Where is X handled?" / semantic intent, no exact string yet:
`gbrain search "<terms>"` or `gbrain query "<question>"`
- "Where is symbol Y defined?" / symbol-based code questions:
`gbrain code-def <symbol>` or `gbrain code-refs <symbol>`
- "What calls Y?" / "What does Y depend on?":
`gbrain code-callers <symbol>` / `gbrain code-callees <symbol>`
- "What did we decide last time?" / past plans, retros, learnings:
`gbrain search "<terms>" --source gstack-brain-<user>`
Grep is still right for known exact strings, regex, multiline patterns, and
file globs. The brain auto-syncs incrementally on every gstack skill start.
Run `/sync-gbrain` to force-refresh, `/sync-gbrain --full` for full reindex.
<!-- gstack-gbrain-search-guidance:end -->
```
If Step 9 smoke test fails, skip the guidance block write entirely. The user's
next `/sync-gbrain` run will re-evaluate capability and write the block when
the round-trip works.
---
## Step 9: Smoke test
setup-gbrain/SKILL.md.tmpl
+44
View File
@@ -481,6 +481,50 @@ Find-and-replace (or append) this section in CLAUDE.md:
- Current repo policy: {read-write|read-only|deny|unset}
```
**After Step 9 (smoke test) passes, also write the `## GBrain Search Guidance`
block** so the coding agent learns when to prefer `gbrain` over Grep. This
block is gated on the smoke test passing — write the Configuration block
first (so the user knows what state they're in even if the smoke test fails),
then return here after Step 9 and write the guidance block only if smoke
test succeeded.
When Step 9 passes, find-and-replace (or append) this block. Use HTML-comment
delimiters so removal regex is unambiguous and never eats user content. The
block content is machine-AGNOSTIC — no engine type, no page counts, no
last-sync time. Machine state stays in the Configuration block above.
```markdown
## GBrain Search Guidance (configured by /sync-gbrain)
<!-- gstack-gbrain-search-guidance:start -->
GBrain is set up and synced on this machine. The agent should prefer gbrain
over Grep when the question is semantic or when you don't know the exact
identifier yet. Two indexed corpora available via the `gbrain` CLI:
- This repo's code (registered as `gstack-code-<repo>` source).
- `~/.gstack/` curated memory (registered as `gstack-brain-<user>` source via
the existing federation pipeline).
Prefer gbrain when:
- "Where is X handled?" / semantic intent, no exact string yet:
`gbrain search "<terms>"` or `gbrain query "<question>"`
- "Where is symbol Y defined?" / symbol-based code questions:
`gbrain code-def <symbol>` or `gbrain code-refs <symbol>`
- "What calls Y?" / "What does Y depend on?":
`gbrain code-callers <symbol>` / `gbrain code-callees <symbol>`
- "What did we decide last time?" / past plans, retros, learnings:
`gbrain search "<terms>" --source gstack-brain-<user>`
Grep is still right for known exact strings, regex, multiline patterns, and
file globs. The brain auto-syncs incrementally on every gstack skill start.
Run `/sync-gbrain` to force-refresh, `/sync-gbrain --full` for full reindex.
<!-- gstack-gbrain-search-guidance:end -->
```
If Step 9 smoke test fails, skip the guidance block write entirely. The user's
next `/sync-gbrain` run will re-evaluate capability and write the block when
the round-trip works.
---
## Step 9: Smoke test