refactor(tui): centralize application exit (#31524)

packages/core/package.json

@@ -9,8 +9,7 @@
     "db": "bun drizzle-kit",
     "migration": "bun run script/migration.ts",
     "fix-node-pty": "bun run script/fix-node-pty.ts",
-    "test": "bun test",
-    "test:ci": "mkdir -p .artifacts/unit && bun test --timeout 30000 --reporter=junit --reporter-outfile=.artifacts/unit/junit.xml",
+    "test": "bun test --only-failures",
     "typecheck": "tsgo --noEmit"
   },
   "bin": {

packages/core/src/flag/flag.ts

@@ -46,7 +46,6 @@ export const Flag = {
 
   OPENCODE_WORKSPACE_ID: process.env["OPENCODE_WORKSPACE_ID"],
   OPENCODE_EXPERIMENTAL_WORKSPACES: enabledByExperimental("OPENCODE_EXPERIMENTAL_WORKSPACES"),
-  OPENCODE_EXPERIMENTAL_SESSION_SWITCHER: enabledByExperimental("OPENCODE_EXPERIMENTAL_SESSION_SWITCHER"),
 
   // Evaluated at access time (not module load) because tests, the CLI, and
   // external tooling set these env vars at runtime.