Merge pull request #3690 from Tibsfox/fix/gitignore-bg-shell

fix(gsd): add .bg-shell/ to baseline gitignore patterns

src/resources/extensions/gsd/gitignore.ts

@@ -42,6 +42,7 @@ const BASELINE_PATTERNS = [
   // ── GSD state directory (symlink to external storage) ──
   ".gsd",
   ".gsd-id",
+  ".bg-shell/",
 
   // ── OS junk ──
   ".DS_Store",

src/resources/extensions/gsd/tests/gitignore-bg-shell.test.ts

@@ -0,0 +1,38 @@
+/**
+ * Regression test — .bg-shell/ added to BASELINE_PATTERNS in gitignore.ts
+ *
+ * The bg-shell background process directory was not included in the
+ * baseline gitignore patterns, causing it to appear as untracked in
+ * git status and potentially be committed.
+ *
+ * Structural verification test — reads source to confirm .bg-shell/
+ * is in BASELINE_PATTERNS.
+ */
+
+import { describe, test } from 'node:test';
+import assert from 'node:assert/strict';
+import { readFileSync } from 'node:fs';
+import { fileURLToPath } from 'node:url';
+import { dirname, join } from 'node:path';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+
+const source = readFileSync(join(__dirname, '..', 'gitignore.ts'), 'utf-8');
+
+describe('.bg-shell/ in BASELINE_PATTERNS', () => {
+  test('BASELINE_PATTERNS array is defined', () => {
+    assert.match(source, /const BASELINE_PATTERNS\s*=/,
+      'BASELINE_PATTERNS should be defined');
+  });
+
+  test('.bg-shell/ is included in BASELINE_PATTERNS', () => {
+    // Extract the BASELINE_PATTERNS array content
+    const patternsStart = source.indexOf('BASELINE_PATTERNS');
+    const arrayStart = source.indexOf('[', patternsStart);
+    const arrayEnd = source.indexOf('] as const', arrayStart);
+    const patternsContent = source.slice(arrayStart, arrayEnd);
+    assert.match(patternsContent, /\.bg-shell\//,
+      '.bg-shell/ should be in BASELINE_PATTERNS');
+  });
+});