fix(integration): run the Kimi Code hook on Windows

src/agent/kimi/hook.ps1

@@ -0,0 +1,21 @@
+# Luvus Kimi Code integration for Windows. Kimi Code runs each hook command
+# through cmd.exe and passes one hook JSON payload on stdin; the Luvus binary
+# reports the session or lifecycle event to the pane running it
+# (`luvus integration hook kimi`), so the hook needs neither python3 nor a
+# POSIX shell.
+
+if ($env:LUVUS_ENV -ne "1" -or [string]::IsNullOrWhiteSpace($env:LUVUS_SOCKET_PATH)) {
+    exit 0
+}
+
+$luvus = $env:LUVUS_BIN_PATH
+if ([string]::IsNullOrWhiteSpace($luvus) -or -not (Test-Path -LiteralPath $luvus -PathType Leaf)) {
+    $luvus = "luvus"
+}
+try {
+    & $luvus integration hook kimi *> $null
+} catch {
+    # Hooks are optional telemetry into the local Luvus server. Never interrupt
+    # Kimi Code when the server or installed binary is unavailable.
+}
+exit 0