Merge main into proxy branch (formatting and docs)

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.vscode/extensions.json

@@ -1,3 +1,7 @@
 {
-  "recommendations": ["biomejs.biome", "rust-lang.rust-analyzer", "bradlc.vscode-tailwindcss"]
+  "recommendations": [
+    "rust-lang.rust-analyzer",
+    "bradlc.vscode-tailwindcss",
+    "VoidZero.vite-plus-extension-pack"
+  ]
 }

.vscode/settings.json

@@ -1,6 +1,8 @@
 {
-  "editor.defaultFormatter": "biomejs.biome",
+  "editor.defaultFormatter": "oxc.oxc-vscode",
   "editor.formatOnSave": true,
-  "biome.enabled": true,
-  "biome.lint.format.enable": true
+  "editor.formatOnSaveMode": "file",
+  "editor.codeActionsOnSave": {
+    "source.fixAll.oxc": "explicit"
+  }
 }