refactor(tui): centralize application exit

packages/opencode/package.json

@@ -7,8 +7,7 @@
   "private": true,
   "scripts": {
     "typecheck": "tsgo --noEmit",
-    "test": "bun test --timeout 30000",
-    "test:ci": "mkdir -p .artifacts/unit && bun test --timeout 30000 --reporter=junit --reporter-outfile=.artifacts/unit/junit.xml",
+    "test": "bun test --timeout 30000 --only-failures",
     "test:httpapi": "bun run script/httpapi-exercise.ts --mode coverage --fail-on-missing --fail-on-skip && bun run script/httpapi-exercise.ts --mode auth --fail-on-missing --fail-on-skip && bun run script/httpapi-exercise.ts --mode effect --fail-on-missing --fail-on-skip",
     "bench:test": "bun run script/bench-test-suite.ts",
     "profile:test": "bun run script/profile-test-files.ts",

packages/opencode/src/cli/cmd/tui.ts

@@ -213,12 +213,12 @@ export const TuiThreadCommand = cmd({
       } finally {
         await stop()
       }
-      process.exit(0)
     } finally {
       try {
         unguard?.()
       } catch {}
     }
+    process.exit(0)
   },
 })
 // scratch