refactor: 用 StopFailure 事件替代定时轮询，移除空闲检测定时器

- 移除 heartbeat 空闲检测机制（PreToolUse 空 matcher）
- 新增 StopFailure hooks 处理 API 错误中断场景
- PostToolUse 仅保留 Edit（Write 通过 PreToolUse 快照实现）
- 移除 extension.ts 中 idleTimer/idleCooldown/heartbeatWatcher
- 更新 README hooks 配置文档
- 添加 MIT LICENSE

.claude/settings.json

@@ -1,12 +1,24 @@
 {
   "hooks": {
-    "PostToolUse": [
+    "PreToolUse": [
       {
-        "matcher": "Write|Edit",
+        "matcher": "Write",
         "hooks": [
           {
             "type": "command",
-            "command": "node -e \"const fs=require('fs'),p=require('path'),d=p.join(process.env.CLAUDE_PLUGIN_ROOT||'.','.claude','hooks');let b='';process.stdin.on('data',c=>b+=c);process.stdin.on('end',()=>{try{const j=JSON.parse(b);const e={type:'edit',filePath:j.tool_input?.file_path||j.tool_response?.filePath||'',content:j.tool_input?.content||'',oldString:j.tool_input?.old_string||'',newString:j.tool_input?.new_string||'',timestamp:Date.now(),toolName:j.tool_name};fs.mkdirSync(d,{recursive:true});const t=p.join(d,'pending.json'),tmp=t+'.tmp';fs.writeFileSync(tmp,JSON.stringify(e));fs.renameSync(tmp,t)}catch{}})\"",
+            "command": "node -e \"const fs=require('fs'),p=require('path');let b='';process.stdin.on('data',c=>b+=c);process.stdin.on('end',()=>{try{const j=JSON.parse(b);const fp=j.tool_input?.file_path;if(!fp)return;const d=p.join(process.env.CLAUDE_PLUGIN_ROOT||'.','.claude','hooks');fs.mkdirSync(d,{recursive:true});let oc='';try{oc=fs.readFileSync(fp,'utf-8')}catch(e){}const s={originalContent:oc,timestamp:Date.now()};const f=p.join(d,'pre-write-snapshot.json'),tmp=f+'.tmp';fs.writeFileSync(tmp,JSON.stringify(s));fs.renameSync(tmp,f)}catch(e){}})\"",
+            "timeout": 5
+          }
+        ]
+      }
+    ],
+    "PostToolUse": [
+      {
+        "matcher": "Edit",
+        "hooks": [
+          {
+            "type": "command",
+            "command": "node -e \"const fs=require('fs'),p=require('path'),d=p.join(process.env.CLAUDE_PLUGIN_ROOT||'.','.claude','hooks');let b='';process.stdin.on('data',c=>b+=c);process.stdin.on('end',()=>{try{const j=JSON.parse(b);const e={type:'edit',filePath:j.tool_input?.file_path||'',content:j.tool_input?.content||'',oldString:j.tool_input?.old_string||'',newString:j.tool_input?.new_string||'',timestamp:Date.now(),toolName:'Edit'};fs.mkdirSync(d,{recursive:true});const t=p.join(d,'pending.json'),tmp=t+'.tmp';fs.writeFileSync(tmp,JSON.stringify(e));fs.renameSync(tmp,t)}catch{}})\"",
             "timeout": 5
           }
         ]
@@ -22,6 +34,17 @@
           }
         ]
       }
+    ],
+    "StopFailure": [
+      {
+        "hooks": [
+          {
+            "type": "command",
+            "command": "node -e \"const fs=require('fs'),p=require('path'),d=p.join(process.env.CLAUDE_PLUGIN_ROOT||'.','.claude','hooks');try{fs.mkdirSync(d,{recursive:true});const t=p.join(d,'pending.json'),tmp=t+'.tmp';fs.writeFileSync(tmp,JSON.stringify({type:'stopFailure',filePath:'',content:'',oldString:'',newString:'',timestamp:Date.now(),toolName:'StopFailure'}));fs.renameSync(tmp,t)}catch{}\"",
+            "timeout": 5
+          }
+        ]
+      }
     ]
   }
 }