diff --git a/scripts/sync_standards.bat b/scripts/sync_standards.bat
index 07eab0e..936b5ab 100644
--- a/scripts/sync_standards.bat
+++ b/scripts/sync_standards.bat
@@ -121,6 +121,15 @@ if errorlevel 1 (
 
 echo Synced .agents\%AGENTS_NS% from standards.
 
+set "REL_SNAPSHOT=%SRC:%ROOT%\=%"
+if /I not "%REL_SNAPSHOT%"=="%SRC%" (
+  set "DOCS_PREFIX=%REL_SNAPSHOT%\docs"
+  set "DOCS_PREFIX=%DOCS_PREFIX:\=/%"
+  for %%F in ("%AGENTS_DST%\*.md") do (
+    powershell -NoProfile -Command "$p='%%~fF'; $c=Get-Content -Raw $p; $c=$c.Replace('`docs/tsl/','`%DOCS_PREFIX%/tsl/'); $c=$c.Replace('`docs/cpp/','`%DOCS_PREFIX%/cpp/'); $c=$c.Replace('`docs/python/','`%DOCS_PREFIX%/python/'); $c=$c.Replace('`docs/markdown/','`%DOCS_PREFIX%/markdown/'); $c=$c.Replace('`docs/common/','`%DOCS_PREFIX%/common/'); Set-Content -Path $p -Value $c -Encoding UTF8"
+  )
+)
+
 if not exist "%AGENTS_ROOT%\index.md" (
   > "%AGENTS_ROOT%\index.md" echo # .agents（多语言）
   >> "%AGENTS_ROOT%\index.md" echo.
@@ -144,15 +153,58 @@ if not exist "%AGENTS_ROOT%\index.md" (
   echo Created .agents\index.md
 )
 
-if not exist "%ROOT%\AGENTS.md" (
-  > "%ROOT%\AGENTS.md" echo # Agent Instructions
-  >> "%ROOT%\AGENTS.md" echo.
-  >> "%ROOT%\AGENTS.md" echo 请以 `.agents/` 下的规则为准：
-  >> "%ROOT%\AGENTS.md" echo.
-  >> "%ROOT%\AGENTS.md" echo - 入口：`.agents/index.md`
-  >> "%ROOT%\AGENTS.md" echo - 语言规则：`.agents/tsl/index.md`、`.agents/cpp/index.md`、`.agents/python/index.md`、`.agents/markdown/index.md`
-  echo Created AGENTS.md
+set "AGENTS_LANGS="
+for /d %%D in ("%AGENTS_ROOT%\*") do (
+  set "NAME=%%~nxD"
+  if /I not "!NAME:~0,1!"=="." (
+    echo "!NAME!" | findstr /I /C:".bak." >nul
+    if errorlevel 1 (
+      if exist "%%D\index.md" (
+        if defined AGENTS_LANGS (
+          set "AGENTS_LANGS=!AGENTS_LANGS!、`.agents/!NAME!/index.md`"
+        ) else (
+          set "AGENTS_LANGS=`.agents/!NAME!/index.md`"
+        )
+      )
+    )
+  )
 )
+if not defined AGENTS_LANGS set "AGENTS_LANGS=`.agents/%AGENTS_NS%/index.md`"
+
+set "AGENTS_BLOCK_START=<!-- playbook:agents:start -->"
+set "AGENTS_BLOCK_END=<!-- playbook:agents:end -->"
+set "AGENTS_BLOCK_FILE=%ROOT%\.agents_block.!RANDOM!.tmp"
+> "%AGENTS_BLOCK_FILE%" echo %AGENTS_BLOCK_START%
+>> "%AGENTS_BLOCK_FILE%" echo 请以 `.agents/` 下的规则为准：
+>> "%AGENTS_BLOCK_FILE%" echo.
+>> "%AGENTS_BLOCK_FILE%" echo - 入口：`.agents/index.md`
+>> "%AGENTS_BLOCK_FILE%" echo - 语言规则：%AGENTS_LANGS%
+>> "%AGENTS_BLOCK_FILE%" echo %AGENTS_BLOCK_END%
+
+set "AGENTS_MD=%ROOT%\AGENTS.md"
+if not exist "%AGENTS_MD%" (
+  > "%AGENTS_MD%" echo # Agent Instructions
+  >> "%AGENTS_MD%" echo.
+  type "%AGENTS_BLOCK_FILE%" >> "%AGENTS_MD%"
+  echo Created AGENTS.md
+) else (
+  findstr /C:"%AGENTS_BLOCK_START%" "%AGENTS_MD%" >nul
+  if not errorlevel 1 (
+    powershell -NoProfile -Command "$file='%AGENTS_MD%'; $block=Get-Content -Raw '%AGENTS_BLOCK_FILE%'; $start='%AGENTS_BLOCK_START%'; $end='%AGENTS_BLOCK_END%'; $pattern=[regex]::Escape($start)+'.*?'+[regex]::Escape($end); $regex=New-Object System.Text.RegularExpressions.Regex($pattern,[System.Text.RegularExpressions.RegexOptions]::Singleline); $content=Get-Content -Raw $file; $new=$regex.Replace($content,$block,1); Set-Content -Path $file -Value $new -Encoding UTF8"
+    echo Updated AGENTS.md (playbook block).
+  ) else (
+    findstr /C:".agents/index.md" "%AGENTS_MD%" >nul
+    if not errorlevel 1 (
+      echo Skip: AGENTS.md already references .agents/index.md
+    ) else (
+      >> "%AGENTS_MD%" echo.
+      type "%AGENTS_BLOCK_FILE%" >> "%AGENTS_MD%"
+      >> "%AGENTS_MD%" echo.
+      echo Appended playbook block to AGENTS.md
+    )
+  )
+)
+del "%AGENTS_BLOCK_FILE%" >nul 2>&1
 
 :SyncGitAttr
 if exist "%GITATTR_SRC%" (
diff --git a/scripts/sync_standards.ps1 b/scripts/sync_standards.ps1
index 03bfbf0..debc4d4 100644
--- a/scripts/sync_standards.ps1
+++ b/scripts/sync_standards.ps1
@@ -108,6 +108,26 @@ New-Item -ItemType Directory -Path $AgentsDst -Force | Out-Null
 Copy-Item (Join-Path $AgentsSrc "*") $AgentsDst -Recurse -Force
 Write-Host "Synced .agents/$AgentsNs from standards."
 
+# Rewrite docs/* references to the snapshot docs path.
+$relSnapshot = $null
+$rootPrefix = $Root.TrimEnd('\', '/')
+$rootPrefixWithSep = $rootPrefix + [System.IO.Path]::DirectorySeparatorChar
+if ($Src.ToLowerInvariant().StartsWith($rootPrefixWithSep.ToLowerInvariant())) {
+  $relSnapshot = $Src.Substring($rootPrefixWithSep.Length)
+}
+if ($relSnapshot) {
+  $docsPrefix = (Join-Path $relSnapshot "docs") -replace "\\", "/"
+  Get-ChildItem -Path $AgentsDst -Filter *.md -File | ForEach-Object {
+    $content = Get-Content -Raw -Path $_.FullName
+    $content = $content.Replace("``docs/tsl/", "``$docsPrefix/tsl/")
+    $content = $content.Replace("``docs/cpp/", "``$docsPrefix/cpp/")
+    $content = $content.Replace("``docs/python/", "``$docsPrefix/python/")
+    $content = $content.Replace("``docs/markdown/", "``$docsPrefix/markdown/")
+    $content = $content.Replace("``docs/common/", "``$docsPrefix/common/")
+    Set-Content -Path $_.FullName -Value $content -Encoding UTF8
+  }
+}
+
 $AgentsIndex = Join-Path $AgentsRoot "index.md"
 if (-not (Test-Path $AgentsIndex)) {
 @'
@@ -135,16 +155,51 @@ if (-not (Test-Path $AgentsIndex)) {
 }
 
 $AgentsMd = Join-Path $Root "AGENTS.md"
-if (-not (Test-Path $AgentsMd)) {
-@'
-# Agent Instructions
-
+$AgentsBlockStart = "<!-- playbook:agents:start -->"
+$AgentsBlockEnd = "<!-- playbook:agents:end -->"
+$agentsLangs = @()
+if (Test-Path $AgentsRoot) {
+  Get-ChildItem -Path $AgentsRoot -Directory | ForEach-Object {
+    $name = $_.Name
+    if ($name -and -not $name.StartsWith(".") -and -not ($name -match "\.bak\.") -and (Test-Path (Join-Path $_.FullName "index.md"))) {
+      $agentsLangs += $name
+    }
+  }
+}
+if ($agentsLangs.Count -eq 0) { $agentsLangs = @($AgentsNs) }
+$langsLine = ($agentsLangs | ForEach-Object { "`.agents/$_/index.md`" }) -join "、"
+$agentsBlock = @"
+<!-- playbook:agents:start -->
 请以 `.agents/` 下的规则为准：
 
 - 入口：`.agents/index.md`
-- 语言规则：`.agents/tsl/index.md`、`.agents/cpp/index.md`、`.agents/python/index.md`、`.agents/markdown/index.md`
-'@ | Set-Content -Path $AgentsMd -Encoding UTF8
+- 语言规则：$langsLine
+<!-- playbook:agents:end -->
+"@
+
+if (-not (Test-Path $AgentsMd)) {
+  @"
+# Agent Instructions
+
+$agentsBlock
+"@ | Set-Content -Path $AgentsMd -Encoding UTF8
   Write-Host "Created AGENTS.md"
+} else {
+  $content = Get-Content -Raw -Path $AgentsMd
+  if ($content.Contains($AgentsBlockStart)) {
+    $pattern = [regex]::Escape($AgentsBlockStart) + ".*?" + [regex]::Escape($AgentsBlockEnd)
+    $regex = New-Object System.Text.RegularExpressions.Regex($pattern, [System.Text.RegularExpressions.RegexOptions]::Singleline)
+    $newContent = $regex.Replace($content, $agentsBlock, 1)
+    Set-Content -Path $AgentsMd -Value $newContent -Encoding UTF8
+    Write-Host "Updated AGENTS.md (playbook block)."
+  } elseif ($content.Contains(".agents/index.md")) {
+    Write-Host "Skip: AGENTS.md already references .agents/index.md"
+  } else {
+    Add-Content -Path $AgentsMd -Value "" -Encoding UTF8
+    Add-Content -Path $AgentsMd -Value $agentsBlock -Encoding UTF8
+    Add-Content -Path $AgentsMd -Value "" -Encoding UTF8
+    Write-Host "Appended playbook block to AGENTS.md"
+  }
 }
 
 $GitAttrDst = Join-Path $Root ".gitattributes"