feat(desktop): chat core with streaming, sessions, tool steps and markdown-it rendering

desktop/package.json

@@ -18,17 +18,18 @@
     "dist:win": "npm run build && electron-builder --win"
   },
   "dependencies": {
+    "highlight.js": "^11.11.1",
+    "lucide-react": "^1.21.0",
+    "markdown-it": "^14.2.0",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
     "react-router-dom": "^6.28.0",
-    "react-markdown": "^9.0.1",
-    "react-syntax-highlighter": "^15.6.1",
-    "lucide-react": "^0.460.0"
+    "zustand": "^5.0.14"
   },
   "devDependencies": {
+    "@types/markdown-it": "^14.1.2",
     "@types/react": "^18.3.12",
     "@types/react-dom": "^18.3.1",
-    "@types/react-syntax-highlighter": "^15.5.13",
     "@vitejs/plugin-react": "^4.3.4",
     "autoprefixer": "^10.4.20",
     "concurrently": "^9.1.0",
@@ -71,7 +72,9 @@
       "target": [
         {
           "target": "dmg",
-          "arch": ["universal"]
+          "arch": [
+            "universal"
+          ]
         }
       ]
     },
@@ -80,7 +83,9 @@
       "target": [
         {
           "target": "nsis",
-          "arch": ["x64"]
+          "arch": [
+            "x64"
+          ]
         }
       ]
     },