refactor: 引导脚本移到 scripts/，bin/ 仅放运行时二进制

- scripts/notify.cmd、scripts/notify.sh：下载目标改为同级 ../bin/notify.exe，首次创建 bin/
- hooks.json 指向 scripts/notify.cmd
- bin/ 恢复完全忽略（不再需要脚本例外）

.gitignore

@@ -475,9 +475,3 @@ $RECYCLE.BIN/
 
 # Windows shortcuts
 *.lnk
-
-# 引导脚本要进库（notify.exe 等仍被上面的 [Bb]in/ 忽略）
-!/bin/
-/bin/*
-!/bin/notify.cmd
-!/bin/notify.sh

hooks/hooks.json

@@ -6,7 +6,7 @@
         "hooks": [
           {
             "type": "command",
-            "command": "${CLAUDE_PLUGIN_ROOT}/bin/notify.cmd save",
+            "command": "${CLAUDE_PLUGIN_ROOT}/scripts/notify.cmd save",
             "timeout": 30
           }
         ]
@@ -18,7 +18,7 @@
         "hooks": [
           {
             "type": "command",
-            "command": "${CLAUDE_PLUGIN_ROOT}/bin/notify.cmd input",
+            "command": "${CLAUDE_PLUGIN_ROOT}/scripts/notify.cmd input",
             "timeout": 30
           }
         ]
@@ -30,7 +30,7 @@
         "hooks": [
           {
             "type": "command",
-            "command": "${CLAUDE_PLUGIN_ROOT}/bin/notify.cmd input",
+            "command": "${CLAUDE_PLUGIN_ROOT}/scripts/notify.cmd input",
             "timeout": 30
           }
         ]
@@ -42,7 +42,7 @@
         "hooks": [
           {
             "type": "command",
-            "command": "${CLAUDE_PLUGIN_ROOT}/bin/notify.cmd notify",
+            "command": "${CLAUDE_PLUGIN_ROOT}/scripts/notify.cmd notify",
             "timeout": 30
           }
         ]
@@ -54,7 +54,7 @@
         "hooks": [
           {
             "type": "command",
-            "command": "${CLAUDE_PLUGIN_ROOT}/bin/notify.cmd cleanup",
+            "command": "${CLAUDE_PLUGIN_ROOT}/scripts/notify.cmd cleanup",
             "timeout": 10
           }
         ]

scripts/notify.cmd

@@ -4,8 +4,9 @@ rem  Download URL (notify.exe is fetched from here on first run) -- edit as need
 set "DOWNLOAD_URL=https://github.com/OWNER/REPO/releases/latest/download/notify.exe"
 rem ============================================================
 setlocal
-set "EXE=%~dp0notify.exe"
-set "LOCK=%~dp0notify.download.lock"
+set "BIN=%~dp0..\bin"
+set "EXE=%BIN%\notify.exe"
+set "LOCK=%BIN%\notify.download.lock"
 
 rem only bootstrap on first run; the common path runs the exe directly (keeps piped stdin intact)
 if not exist "%EXE%" call :bootstrap
@@ -15,7 +16,8 @@ endlocal
 exit /b
 
 :bootstrap
-set "TMP=%~dp0notify.exe.%RANDOM%.tmp"
+if not exist "%BIN%" mkdir "%BIN%" 2>nul
+set "TMP=%BIN%\notify.exe.%RANDOM%.tmp"
 rem mkdir is atomic; success = this process downloads, failure = someone else is downloading
 mkdir "%LOCK%" 2>nul
 if errorlevel 1 goto :waitdl

scripts/notify.sh

@@ -5,15 +5,17 @@ DOWNLOAD_URL="https://github.com/OWNER/REPO/releases/latest/download/notify.exe"
 # ============================================================
 
 DIR="$(cd "$(dirname "$0")" && pwd)"
-EXE="$DIR/notify.exe"
-LOCK="$DIR/notify.download.lock"
+BIN="$DIR/../bin"
+EXE="$BIN/notify.exe"
+LOCK="$BIN/notify.download.lock"
 
 if [ ! -f "$EXE" ]; then
+    mkdir -p "$BIN" 2>/dev/null
     # mkdir 是原子操作，用作锁：成功=本进程负责下载，失败=已有进程在下
     if mkdir "$LOCK" 2>/dev/null; then
         # 双重检查，避免刚好别人下完
         if [ ! -f "$EXE" ]; then
-            TMP="$DIR/notify.exe.$$.tmp"
+            TMP="$BIN/notify.exe.$$.tmp"
             if curl -fsSL "$DOWNLOAD_URL" -o "$TMP"; then
                 mv -f "$TMP" "$EXE"          # 原子改名，避免半截 exe
                 chmod +x "$EXE" 2>/dev/null