fix(util): support brace expansion globs containing commas in parseInputFiles (#672)

* Initial plan

* fix(util): support brace expansion globs containing commas in parseInputFiles

Co-authored-by: chenrui333 <1580956+chenrui333@users.noreply.github.com>

* test(util): add comprehensive edge case coverage for brace expansion parsing

Co-authored-by: chenrui333 <1580956+chenrui333@users.noreply.github.com>

---------

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: chenrui333 <1580956+chenrui333@users.noreply.github.com>

__tests__/util.test.ts

@@ -39,6 +39,18 @@ describe('util', () => {
         'loom',
       ]);
     });
+    it('handles globs with brace groups containing commas', () => {
+      assert.deepStrictEqual(parseInputFiles('./**/*.{exe,deb,tar.gz}\nfoo,bar'), [
+        './**/*.{exe,deb,tar.gz}',
+        'foo',
+        'bar',
+      ]);
+    });
+    it('handles single-line brace pattern correctly', () => {
+      assert.deepStrictEqual(parseInputFiles('./**/*.{exe,deb,tar.gz}'), [
+        './**/*.{exe,deb,tar.gz}',
+      ]);
+    });
   });
   describe('releaseBody', () => {
     it('uses input body', () => {
@@ -432,3 +444,36 @@ describe('util', () => {
     });
   });
 });
+
+describe('parseInputFiles edge cases', () => {
+  it('handles multiple brace groups on same line', () => {
+    assert.deepStrictEqual(parseInputFiles('./**/*.{exe,deb},./dist/**/*.{zip,tar.gz}'), [
+      './**/*.{exe,deb}',
+      './dist/**/*.{zip,tar.gz}',
+    ]);
+  });
+
+  it('handles nested braces', () => {
+    assert.deepStrictEqual(parseInputFiles('path/{a,{b,c}}/file.txt'), ['path/{a,{b,c}}/file.txt']);
+  });
+
+  it('handles empty comma-separated values', () => {
+    assert.deepStrictEqual(parseInputFiles('foo,,bar'), ['foo', 'bar']);
+  });
+
+  it('handles commas with spaces around braces', () => {
+    assert.deepStrictEqual(parseInputFiles(' ./**/*.{exe,deb} , file.txt '), [
+      './**/*.{exe,deb}',
+      'file.txt',
+    ]);
+  });
+
+  it('handles mixed newlines and commas with braces', () => {
+    assert.deepStrictEqual(parseInputFiles('file1.txt\n./**/*.{exe,deb},file2.txt\nfile3.txt'), [
+      'file1.txt',
+      './**/*.{exe,deb}',
+      'file2.txt',
+      'file3.txt',
+    ]);
+  });
+});