Add Apple remote compile gate

AGENTS.md

@@ -54,6 +54,15 @@ Useful targeted pattern:
 ctest --preset desktop-fast --build-config Debug -R "pp_app_core|pano_cli_plan" --output-on-failure
 ```
 
+Apple compile validation runs through the Mac mini SSH alias `panopainter-mac`:
+
+```powershell
+powershell -ExecutionPolicy Bypass -File scripts\automation\apple-remote-build.ps1 -Presets macos,ios-simulator,ios-device
+```
+
+This is a headless component/test/tool compile gate for macOS, iOS simulator,
+and iOS device. Signed Apple bundles remain tracked in the debt log.
+
 If MSVC reports corrupt debug information or stale PDB/object errors, clean the
 generated build tree target before judging source changes: