docs: rebuild documentation site with React

package.json

@@ -22,7 +22,7 @@
     "check:electron": "cd desktop && bun run check:electron",
     "check:adapters": "cd adapters && bun test",
     "check:native": "cd desktop && bun run build:sidecars && bun run test:compiled-sidecar-smoke && bun run check:electron && CSC_IDENTITY_AUTO_DISCOVERY=false bun run electron:package:dir && cd .. && bun run test:package-smoke:current",
-    "check:docs": "npm ci --loglevel=error && npm run --loglevel=error docs:build",
+    "check:docs": "npm --prefix site ci --loglevel=error && npm --prefix site run --loglevel=error build && npm --prefix site run --loglevel=error check",
     "check:persistence-upgrade": "bun run scripts/quality-gate/persistence-upgrade.ts",
     "check:quarantine": "bun run scripts/quality-gate/quarantine.ts --enforce-review-date",
     "check:coverage": "bun run scripts/quality-gate/coverage.ts",
@@ -38,9 +38,9 @@
     "quality:smoke": "bun run quality:gate --mode baseline --allow-live --only 'provider-smoke:*' --only 'desktop-smoke:*'",
     "test:package-smoke": "bun run scripts/quality-gate/package-smoke/index.ts",
     "test:package-smoke:current": "bun run scripts/quality-gate/package-smoke/current.ts",
-    "docs:dev": "vitepress dev docs",
-    "docs:build": "vitepress build docs",
-    "docs:preview": "vitepress preview docs"
+    "docs:dev": "npm --prefix site run dev",
+    "docs:build": "npm --prefix site run build",
+    "docs:preview": "npm --prefix site run preview"
   },
   "dependencies": {
     "@anthropic-ai/sandbox-runtime": "^0.0.44",
@@ -113,9 +113,6 @@
     "follow-redirects": "^1.16.0"
   },
   "devDependencies": {
-    "mermaid": "^11.14.0",
-    "vitepress": "^1.6.3",
-    "vitepress-plugin-mermaid": "^2.0.17",
-    "vue": "^3.5.13"
+    "mermaid": "^11.14.0"
   }
 }