set up addressable geo tile streaming for quest

- add addressables settings/groups for tile prefabs with custom TileBuildPath/TileLoadPath profiles and link.xml preservation
- add editor tools for building tile addressables, configuring openxr quest loaders, removing missing scripts, and forcing android tool paths
- add runtime loader + manifest model to stream tile bundles from persistent data with radius-based load/unload
- add TestArea1 scene wired to GeoTileAddressablesLoader and update build settings to enable it
- update geo tile prefab importer output path to Assets/TilePrefabs
- update project/xr/android settings: min sdk 34, app id, openxr composition layers + quest devices, scripting define symbols, and renderer tweaks
- update packages (addressables 2.8, ar foundation 6.3.2, composition layers 2.3, collab proxy 2.11.2) and record scriptable build pipeline config
- remove temporary recovery scene files and add Notes plan/progress docs

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