fix(i18n): add missing Gemini MCP panel title and fix ternary logic

- Add mcp.geminiTitle to both zh.json and en.json
- Fix McpPanel title logic to handle all three apps (claude/codex/gemini)
- Previous logic would incorrectly display codexTitle for gemini

src/components/mcp/McpPanel.tsx

@@ -117,7 +117,11 @@ const McpPanel: React.FC<McpPanelProps> = ({ open, onOpenChange, appId }) => {
   );
 
   const panelTitle =
-    appId === "claude" ? t("mcp.claudeTitle") : t("mcp.codexTitle");
+    appId === "claude"
+      ? t("mcp.claudeTitle")
+      : appId === "codex"
+        ? t("mcp.codexTitle")
+        : t("mcp.geminiTitle");
 
   return (
     <>

src/i18n/locales/en.json

@@ -440,6 +440,7 @@
     "title": "MCP Management",
     "claudeTitle": "Claude Code MCP Management",
     "codexTitle": "Codex MCP Management",
+    "geminiTitle": "Gemini MCP Management",
     "userLevelPath": "User-level MCP path",
     "serverList": "Servers",
     "loading": "Loading...",

src/i18n/locales/zh.json

@@ -440,6 +440,7 @@
     "title": "MCP 管理",
     "claudeTitle": "Claude Code MCP 管理",
     "codexTitle": "Codex MCP 管理",
+    "geminiTitle": "Gemini MCP 管理",
     "userLevelPath": "用户级 MCP 配置路径",
     "serverList": "服务器列表",
     "loading": "加载中...",