feat(browser): add in-app browser panel and MCP support

- wire browser state, picker, and settings through IPC and renderer layout
- add browser MCP server support for agent adapters and WSL host discovery
- update Electron and native packaging to rebuild browser dependencies

Author: SDSLeon

.agents/skills/interactive-testing/SKILL.md

@@ -116,7 +116,7 @@
     "concurrently": "^9.2.1",
     "cross-env": "^10.1.0",
     "drizzle-kit": "1.0.0-rc.1",
-    "electron": "^41.5.0",
+    "electron": "41.7.0",
     "electron-builder": "^26.8.1",
     "electronmon": "^2.0.4",
     "husky": "^9.1.7",

.agents/skills/interactive-testing/scripts/lightcode-browser-smoke.mjs

@@ -40,3 +40,6 @@ publicHoistPattern:
 # nested layout. Without this, deep deps like @opentelemetry/* are not copied
 # into the asar even when listed in `files`.
 nodeLinker: hoisted
+
+minimumReleaseAgeExclude:
+  - electron@41.7.0