🔧 chore(sync_standards): create AGENTS.md on sync

scripts/sync_standards.bat

@@ -120,6 +120,16 @@ 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`
+  echo Created AGENTS.md
+)
+
 :SyncGitAttr
 if exist "%GITATTR_SRC%" (
   if /I "%SYNC_GITATTR_MODE%"=="skip" (

scripts/sync_standards.ps1

@@ -121,6 +121,19 @@ if (-not (Test-Path $AgentsIndex)) {
   Write-Host "Created .agents/index.md"
 }
 
+$AgentsMd = Join-Path $Root "AGENTS.md"
+if (-not (Test-Path $AgentsMd)) {
+@'
+# Agent Instructions
+
+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`
+'@ | Set-Content -Path $AgentsMd -Encoding UTF8
+  Write-Host "Created AGENTS.md"
+}
+
 $GitAttrDst = Join-Path $Root ".gitattributes"
 if (Test-Path $GitAttrSrc) {
   $mode = $env:SYNC_GITATTR_MODE

scripts/sync_standards.sh

@@ -125,6 +125,19 @@ EOF
   echo "Created .agents/index.md"
 fi
 
+AGENTS_MD="$ROOT/AGENTS.md"
+if [ ! -f "$AGENTS_MD" ]; then
+  cat >"$AGENTS_MD" <<'EOF'
+# Agent Instructions
+
+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`
+EOF
+  echo "Created AGENTS.md"
+fi
+
 echo "Synced agents ruleset to $AGENTS_DST."
 
 GITATTR_DST="$ROOT/.gitattributes"