fix: restore messages after redo

Refetches session messages before applying redo
Aligns undo/redo navigation with OpenCode behavior
Keeps restored messages visible after unrevert

packages/web/package.json

@@ -25,7 +25,7 @@
   "dependencies": {
     "@clack/prompts": "^1.1.0",
     "@octokit/rest": "^22.0.1",
-    "@opencode-ai/sdk": "^1.4.39",
+    "@opencode-ai/sdk": "^1.4.41",
     "@simplewebauthn/server": "13.3.0",
     "adm-zip": "^0.5.16",
     "better-sqlite3": "^11.7.0",