cursor Init 完善多人协同changelog，以及godot相关基础skill和代码规范

.cursor/hooks/session-init.ps1

@@ -1,23 +1,48 @@
-# session-init.ps1 — 会话启动时检测 composer_mode，非 agent 模式设置跳过标志
-#
-# sessionStart input 包含 composer_mode 字段（"agent" / "ask" / "edit" / "debug" 等）
-# 通过 env 输出的环境变量会传递给同会话内所有后续 hook
+# sessionStart: reset changelog runtime markers and skip checks outside agent mode.
+$utf8 = New-Object System.Text.UTF8Encoding($false)
+[Console]::InputEncoding = $utf8
+[Console]::OutputEncoding = $utf8
 
-$input = [Console]::In.ReadToEnd()
+$inputPayload = [Console]::In.ReadToEnd()
+$mode = $null
 
 try {
-    $data = $input | ConvertFrom-Json
-    $mode = $data.composer_mode
+    if (-not [string]::IsNullOrWhiteSpace($inputPayload)) {
+        $data = $inputPayload | ConvertFrom-Json
+        if ($data.composer_mode -is [string]) {
+            $mode = $data.composer_mode
+        }
+    }
 } catch {
     $mode = $null
 }
 
-Remove-Item ".cursor\changelog\.changelog-ack" -ErrorAction SilentlyContinue
-
-if ($mode -and $mode -ne "agent") {
-    $json = '{"env":{"CURSOR_SKIP_CHANGELOG":"1","CURSOR_COMPOSER_MODE":"' + $mode + '"}}'
-    Write-Output $json
-} else {
-    Write-Output '{}'
+$cursorDir = Split-Path -Parent $PSScriptRoot
+$ackFile = Join-Path $cursorDir 'changelog\.changelog-ack'
+$sessionMarker = Join-Path $cursorDir 'changelog\.session-start'
+Remove-Item -LiteralPath $ackFile -Force -ErrorAction SilentlyContinue
+try {
+    $stream = [System.IO.File]::Open(
+        $sessionMarker,
+        [System.IO.FileMode]::Create,
+        [System.IO.FileAccess]::Write,
+        [System.IO.FileShare]::ReadWrite
+    )
+    $stream.Dispose()
+} catch {
+    # Runtime marker failure must not block session startup.
 }
+
+if (-not [string]::IsNullOrWhiteSpace($mode) -and $mode -ne 'agent') {
+    $result = [ordered]@{
+        env = [ordered]@{
+            CURSOR_SKIP_CHANGELOG = '1'
+            CURSOR_COMPOSER_MODE = $mode
+        }
+    }
+    [Console]::Out.WriteLine(($result | ConvertTo-Json -Compress -Depth 4))
+} else {
+    [Console]::Out.WriteLine('{}')
+}
+
 exit 0