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

ProjectSettings/ScriptableBuildPipeline.json

@@ -0,0 +1,14 @@
+{
+    "useBuildCacheServer": false,
+    "cacheServerHost": "",
+    "cacheServerPort": 8126,
+    "threadedArchiving": true,
+    "logCacheMiss": false,
+    "logAssetWarnings": true,
+    "slimWriteResults": true,
+    "maximumCacheSize": 20,
+    "useDetailedBuildLog": false,
+    "useV2Hasher": true,
+    "fileIDHashSeed": 0,
+    "prefabPackedHeaderSize": 2
+}