fix(plugins): narrow optional bundles and create fresh session agents

tsconfig.host.json

@@ -118,7 +118,7 @@
     "apps/web/tests/conversation-column-overflow.e2e.ts",
     "apps/web/tests/ptc-round.e2e.ts",
     "apps/web/tests/ptc-escalation.e2e.ts",
-    "apps/web/tests/optional-string-editor.e2e.ts",
+    "apps/web/tests/standalone-string-editor.e2e.ts",
     "apps/web/tests/present.e2e.ts",
     "apps/web/tests/present-svg.e2e.ts",
     "apps/web/tests/composer-draft-scroll.e2e.ts",
@@ -217,9 +217,7 @@
   "references": [
     { "path": "./packages/experimental/client-ui-cot-translation/tsconfig.host.json" },
     { "path": "./packages/experimental/cot-translation-bundle" },
-    { "path": "./packages/bundle/session-search" },
-    { "path": "./packages/bundle/string-editor" },
-    { "path": "./packages/bundle/tmux-location" },
+    { "path": "./packages/experimental/session-search" },
     { "path": "./packages/experimental/ralph-bundle" },
     { "path": "./packages/experimental/terminal-bundle" },
     { "path": "./packages/experimental/badge-skill-bundle" },