feat: add Reverb realtime messaging

package-lock.json

@@ -21,7 +21,9 @@
                 "emoji-mart": "^5.6.0",
                 "framer-motion": "^12.34.0",
                 "highlight.js": "^11.11.1",
+                "laravel-echo": "^2.3.1",
                 "lowlight": "^3.3.0",
+                "pusher-js": "^8.4.3",
                 "react": "^19.2.4",
                 "react-dom": "^19.2.4",
                 "react-markdown": "^10.1.0",
@@ -4125,6 +4127,19 @@
                 }
             }
         },
+        "node_modules/laravel-echo": {
+            "version": "2.3.1",
+            "resolved": "https://registry.npmjs.org/laravel-echo/-/laravel-echo-2.3.1.tgz",
+            "integrity": "sha512-o6oD1oR+XklU9TO7OPGeLh/G9SjcZm+YrpSdGkOaAJf5HpXwZKt+wGgnULvKl5I8xUuUY/AAvqR24+y8suwZTA==",
+            "license": "MIT",
+            "engines": {
+                "node": ">=20"
+            },
+            "peerDependencies": {
+                "pusher-js": "*",
+                "socket.io-client": "*"
+            }
+        },
         "node_modules/laravel-vite-plugin": {
             "version": "2.1.0",
             "resolved": "https://registry.npmjs.org/laravel-vite-plugin/-/laravel-vite-plugin-2.1.0.tgz",
@@ -5912,6 +5927,15 @@
                 "node": ">=6"
             }
         },
+        "node_modules/pusher-js": {
+            "version": "8.4.3",
+            "resolved": "https://registry.npmjs.org/pusher-js/-/pusher-js-8.4.3.tgz",
+            "integrity": "sha512-MYnVYhKxq2Oeg3HmTQxnKDj1oAZjqJCkEcYj8hYbH1Rw5pT0g8KtgOYVUKDRnyrPtwRvA9QR4wunwJW5xIbq0Q==",
+            "license": "MIT",
+            "dependencies": {
+                "tweetnacl": "^1.0.3"
+            }
+        },
         "node_modules/qs": {
             "version": "6.14.1",
             "resolved": "https://registry.npmjs.org/qs/-/qs-6.14.1.tgz",
@@ -6807,6 +6831,12 @@
             "integrity": "sha512-oJFu94HQb+KVduSUQL7wnpmqnfmLsOA/nAh6b6EH0wCEoK0/mPeXU6c3wKDV83MkOuHPRHtSXKKU99IBazS/2w==",
             "license": "0BSD"
         },
+        "node_modules/tweetnacl": {
+            "version": "1.0.3",
+            "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-1.0.3.tgz",
+            "integrity": "sha512-6rt+RN7aOi1nGMyC4Xa5DdYiukl2UWCbcJft7YhxReBGQD7OAM8Pbxw6YMo4r2diNEA8FEmu32YOn9rhaiE5yw==",
+            "license": "Unlicense"
+        },
         "node_modules/uc.micro": {
             "version": "2.1.0",
             "resolved": "https://registry.npmjs.org/uc.micro/-/uc.micro-2.1.0.tgz",