feat: extend search to branch and tag names (close #7)

Include local branches, remote branches, and tag names in the commit
search haystack. Remote branches are indexed by both short name and
full remote/branch form so both 'main' and 'origin/main' match.

Author: the0807

webview-ui/src/components/common/SearchBar.svelte

@@ -36,6 +36,9 @@
         commit.author.email,
         commit.hash,
         commit.abbreviatedHash,
+        ...commit.refs
+          .filter(r => r.type === 'branch' || r.type === 'remote-branch' || r.type === 'tag')
+          .flatMap(r => r.type === 'remote-branch' && r.remote ? [r.name, `${r.remote}/${r.name}`] : [r.name]),
       ].join(' ').toLowerCase();
 
       if (haystack.includes(q)) {

webview-ui/src/lib/i18n/en.ts

@@ -192,7 +192,7 @@ export const en: Record<string, string> = {
   'details.restore': 'Restore panel',
 
   // Search bar
-  'search.placeholder': 'Search commits (message, author, hash)',
+  'search.placeholder': 'Search commits (message, author, hash, branch, tag)',
   'search.search': 'Search',
   'search.clear': 'Clear',
   'search.noResults': 'No results',

webview-ui/src/lib/i18n/ko.ts

@@ -192,7 +192,7 @@ export const ko: Record<string, string> = {
   'details.restore': '패널 복원',
 
   // Search bar
-  'search.placeholder': 'Commit 검색 (메시지, 작성자, 해시)',
+  'search.placeholder': 'Commit 검색 (메시지, 작성자, 해시, 브랜치, 태그)',
   'search.search': '검색',
   'search.clear': '지우기',
   'search.noResults': '결과 없음',

webview-ui/src/lib/i18n/zh.ts

@@ -192,7 +192,7 @@ export const zh: Record<string, string> = {
   'details.restore': '恢复面板',
 
   // Search bar
-  'search.placeholder': '搜索提交（消息、作者、哈希）',
+  'search.placeholder': '搜索提交（消息、作者、哈希、分支、标签）',
   'search.search': '搜索',
   'search.clear': '清除',
   'search.noResults': '无结果',