Optimize Chinese translations: preserve English proper nouns (Skills, Agent, Subagent, Context Compact, etc.)

Co-authored-by: wbxl2000 <57169560+wbxl2000@users.noreply.github.com>

web/src/i18n/messages/zh.json

@@ -39,18 +39,18 @@
     "loc_delta": "代码量差异"
   },
   "sessions": {
-    "s01": "Agent 循环",
-    "s02": "工具",
+    "s01": "Agent Loop",
+    "s02": "Tool Use",
     "s03": "TodoWrite",
-    "s04": "子 Agent",
-    "s05": "技能",
-    "s06": "上下文压缩",
-    "s07": "任务系统",
-    "s08": "后台任务",
-    "s09": "Agent 团队",
-    "s10": "团队协议",
-    "s11": "自主 Agent",
-    "s12": "Worktree + 任务隔离"
+    "s04": "Subagent",
+    "s05": "Skills",
+    "s06": "Context Compact",
+    "s07": "Task System",
+    "s08": "Background Tasks",
+    "s09": "Agent Teams",
+    "s10": "Team Protocols",
+    "s11": "Autonomous Agents",
+    "s12": "Worktree + Task Isolation"
   },
   "layer_labels": {
     "tools": "工具与执行",
@@ -60,17 +60,17 @@
     "collaboration": "协作"
   },
   "viz": {
-    "s01": "Agent While 循环",
-    "s02": "工具分发映射",
-    "s03": "TodoWrite 提醒系统",
-    "s04": "子 Agent 上下文隔离",
-    "s05": "按需技能加载",
-    "s06": "三层上下文压缩",
-    "s07": "任务依赖图",
-    "s08": "后台任务通道",
-    "s09": "Agent 团队邮箱",
-    "s10": "FSM 团队协议",
-    "s11": "自主 Agent 循环",
-    "s12": "Worktree 任务隔离"
+    "s01": "Agent While-Loop",
+    "s02": "Tool Dispatch Map",
+    "s03": "TodoWrite Nag System",
+    "s04": "Subagent Context Isolation",
+    "s05": "On-Demand Skill Loading",
+    "s06": "Three-Layer Context Compact",
+    "s07": "Task Dependency Graph",
+    "s08": "Background Task Lanes",
+    "s09": "Agent Team Mailboxes",
+    "s10": "FSM Team Protocols",
+    "s11": "Autonomous Agent Cycle",
+    "s12": "Worktree Task Isolation"
   }
 }