Initial import from garrytan/gstack@026751e (main snapshot via local relay)

Source: https://github.com/garrytan/gstack/commit/026751e

test/post-rename-doc-regen.test.ts

@@ -0,0 +1,74 @@
+// Post-rename doc-regen regression: after `bun run gen:skill-docs`, no
+// `gstack-brain-init` or `gbrain_sync_mode` strings appear in any of the
+// generated SKILL.md files (the cross-product blind spot codex
+// Finding #12 flagged).
+//
+// The check runs against the canonical claude-host output already on
+// disk. We don't shell out to gen-skill-docs again; the existing
+// freshness check in gen-skill-docs.test.ts covers that. This test
+// just verifies the rename actually propagated to the generated
+// artifacts that users see.
+
+import { describe, test, expect } from 'bun:test';
+import * as fs from 'fs';
+import * as path from 'path';
+
+const ROOT = path.resolve(import.meta.dir, '..');
+
+const FORBIDDEN_PATTERNS = [
+  // Bare identifier — should NEVER appear in generated docs (if it does,
+  // a template still has the old call site).
+  /^.*\bgstack-brain-init\b.*$/m,
+  /^.*\bgbrain_sync_mode\b.*$/m,
+];
+
+// Per the preamble resolver: generated docs DO contain the
+// "~/.gstack-brain-remote.txt" string in the migration-window fallback. We
+// don't grep for that — it's intentional. We grep for the call-site
+// identifiers only.
+
+function findSkillMdFiles(): string[] {
+  const skillMd = path.join(ROOT, 'SKILL.md');
+  const files: string[] = [skillMd];
+  // Top-level skill directories with their own SKILL.md.
+  const entries = fs.readdirSync(ROOT, { withFileTypes: true });
+  for (const e of entries) {
+    if (e.isDirectory() && !e.name.startsWith('.') && !['node_modules', 'test'].includes(e.name)) {
+      const inner = path.join(ROOT, e.name, 'SKILL.md');
+      if (fs.existsSync(inner)) files.push(inner);
+    }
+  }
+  return files;
+}
+
+describe('post-rename doc-regen regression (codex Finding #12)', () => {
+  test('no generated SKILL.md contains "gstack-brain-init"', () => {
+    const offenders: string[] = [];
+    for (const file of findSkillMdFiles()) {
+      const content = fs.readFileSync(file, 'utf-8');
+      const m = content.match(/^.*\bgstack-brain-init\b.*$/m);
+      if (m) offenders.push(`${path.relative(ROOT, file)}: ${m[0].slice(0, 100)}`);
+    }
+    if (offenders.length > 0) {
+      console.error(`Stale "gstack-brain-init" in generated SKILL.md files:\n${offenders.map((o) => '  ' + o).join('\n')}`);
+    }
+    expect(offenders).toEqual([]);
+  });
+
+  test('no generated SKILL.md contains "gbrain_sync_mode"', () => {
+    const offenders: string[] = [];
+    for (const file of findSkillMdFiles()) {
+      const content = fs.readFileSync(file, 'utf-8');
+      const m = content.match(/^.*\bgbrain_sync_mode\b.*$/m);
+      if (m) offenders.push(`${path.relative(ROOT, file)}: ${m[0].slice(0, 100)}`);
+    }
+    if (offenders.length > 0) {
+      console.error(`Stale "gbrain_sync_mode" in generated SKILL.md files:\n${offenders.map((o) => '  ' + o).join('\n')}`);
+    }
+    expect(offenders).toEqual([]);
+  });
+
+  test('top-level SKILL.md exists and is regenerated', () => {
+    expect(fs.existsSync(path.join(ROOT, 'SKILL.md'))).toBe(true);
+  });
+});