Implement bidirectional extension webview messaging system; extension holds claude messages state to keep webview stateless

package-lock.json

@@ -15,6 +15,7 @@
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         "glob": "^10.4.3",
         "os-name": "^6.0.0",
+        "p-wait-for": "^5.0.2",
         "serialize-error": "^11.0.3"
       },
       "devDependencies": {
@@ -4465,6 +4466,33 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/p-timeout": {
+      "version": "6.1.2",
+      "resolved": "https://registry.npmjs.org/p-timeout/-/p-timeout-6.1.2.tgz",
+      "integrity": "sha512-UbD77BuZ9Bc9aABo74gfXhNvzC9Tx7SxtHSh1fxvx3jTLLYvmVhiQZZrJzqqU0jKbN32kb5VOKiLEQI/3bIjgQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=14.16"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/p-wait-for": {
+      "version": "5.0.2",
+      "resolved": "https://registry.npmjs.org/p-wait-for/-/p-wait-for-5.0.2.tgz",
+      "integrity": "sha512-lwx6u1CotQYPVju77R+D0vFomni/AqRfqLmqQ8hekklqZ6gAY9rONh7lBQ0uxWMkC2AuX9b2DVAl8To0NyP1JA==",
+      "license": "MIT",
+      "dependencies": {
+        "p-timeout": "^6.0.0"
+      },
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/package-json-from-dist": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/package-json-from-dist/-/package-json-from-dist-1.0.0.tgz",