Chore: remove + gitignore Assets/_Recovery (Unity auto-recovery scenes)

These are editor crash-recovery scene dumps (not project content) that had been accidentally committed. Removed from the repo + disk and added to .gitignore so future recovery dumps stay out of git.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

.gitignore

@@ -110,6 +110,10 @@ InitTestScene*.unity*
 /[Aa]ssets/SceneDependencyCache/
 /[Aa]ssets/SceneDependencyCache.meta
 
+# Unity auto-recovery scenes (regenerated by the editor after a crash; not project content)
+/[Aa]ssets/_[Rr]ecovery/
+/[Aa]ssets/_[Rr]ecovery.meta
+
 # macOS
 .DS_Store
 

Assets/_Recovery.meta

@@ -1,8 +0,0 @@
-fileFormatVersion: 2
-guid: 48947564183e33a42a7da983e236d8ef
-folderAsset: yes
-DefaultImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Assets/_Recovery/0 (1).unity.meta

@@ -1,7 +0,0 @@
-fileFormatVersion: 2
-guid: 63b0477da41e2bb4dab1165e6ef6fd4a
-DefaultImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Assets/_Recovery/0 (2).unity.meta

@@ -1,7 +0,0 @@
-fileFormatVersion: 2
-guid: 5e70301c93ddff2438537adae6e59371
-DefaultImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Assets/_Recovery/0 (3).unity.meta

@@ -1,7 +0,0 @@
-fileFormatVersion: 2
-guid: 372b8f8077a280246b6b8d0de3e4797c
-DefaultImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: 

Assets/_Recovery/0.unity.meta

@@ -1,7 +0,0 @@
-fileFormatVersion: 2
-guid: 0b6fb78380a9249488262ddd760135d2
-DefaultImporter:
-  externalObjects: {}
-  userData: 
-  assetBundleName: 
-  assetBundleVariant: