Migrate UI to v2 SDK client

Use v2 OpencodeClient with normalized request handling and rehydrate pending permissions via GET /permission on instance hydration.

package-lock.json

@@ -1090,7 +1090,10 @@
       }
     },
     "node_modules/@opencode-ai/sdk": {
-      "version": "1.0.166"
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/@opencode-ai/sdk/-/sdk-1.1.1.tgz",
+      "integrity": "sha512-PfXujMrHGeMnpS8Gd2BXSY+zZajlztcAvcokf06NtAhd0Mbo/hCLXgW0NBCQ+3FX3e/G2PNwz2DqMdtzyIZaCQ==",
+      "license": "MIT"
     },
     "node_modules/@pinojs/redact": {
       "version": "0.4.0",
@@ -7476,7 +7479,7 @@
       "dependencies": {
         "@git-diff-view/solid": "^0.0.8",
         "@kobalte/core": "0.13.11",
-        "@opencode-ai/sdk": "1.0.166",
+        "@opencode-ai/sdk": "1.1.1",
         "@solidjs/router": "^0.13.0",
         "@suid/icons-material": "^0.9.0",
         "@suid/material": "^0.19.0",