Migrate frontend realtime messaging to SSE.

Switch service integrations and screen/store consumers from websocket events to SSE, and ignore generated dist-web artifacts.

Made-with: Cursor

package-lock.json

@@ -46,6 +46,7 @@
         "react-native-reanimated": "^4.2.1",
         "react-native-safe-area-context": "~5.6.2",
         "react-native-screens": "~4.23.0",
+        "react-native-sse": "^1.2.1",
         "react-native-web": "^0.21.0",
         "react-native-worklets": "0.7.2",
         "zod": "^4.3.6",
@@ -9374,6 +9375,12 @@
         "react-native": "*"
       }
     },
+    "node_modules/react-native-sse": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmmirror.com/react-native-sse/-/react-native-sse-1.2.1.tgz",
+      "integrity": "sha512-zejanlScF+IB9tYnbdry0MT34qjBXbiV/E72qGz33W/tX1bx8MXsbB4lxiuPETc9v/008vYZ60yjIstW22VlVg==",
+      "license": "MIT"
+    },
     "node_modules/react-native-tab-view": {
       "version": "4.2.2",
       "resolved": "https://registry.npmmirror.com/react-native-tab-view/-/react-native-tab-view-4.2.2.tgz",