feat(webui): add guided setup flows

* feat(channels): add guided setup flows

* test(channels): preserve setup config values

* fix(channels): reflect saved setup state

* refactor(channels): simplify setup state metadata

* fix(channels): harden setup lifecycle

* refactor(channels): centralize setup contracts

* fix(channels): route setup actions through webui shim

* fix(channels): adapt settings for compact screens

* fix(models): preserve default preset display

* feat(models): add curated Codex catalog

* fix(webui): stop attached gateway on interrupt

* fix(webui): simplify apps catalog

* docs(webui): clarify apps and runtime features

* feat(settings): add guided capability setup

* fix(webui): harden setup and managed services

* test: keep managed runtime checks portable

* test: scope POSIX runtime coverage

* fix(webui): simplify file settings

* feat(files): bundle document reading

* fix(webui): harden setup request boundaries

* fix(webui): prevent channel setup status squeeze

* fix(settings): group provider compatibility aliases

* refactor(settings): remove redundant setup surfaces

* fix(webui): harden guided setup lifecycle

* fix(webui): preserve channel setup compatibility

webui/package.json

@@ -23,6 +23,7 @@
     "diff": "^9.0.0",
     "i18next": "^26.0.6",
     "lucide-react": "^0.469.0",
+    "qrcode": "^1.5.4",
     "react": "^18.3.1",
     "react-dom": "^18.3.1",
     "react-i18next": "^17.0.4",
@@ -41,6 +42,7 @@
     "@testing-library/react": "^16.1.0",
     "@testing-library/user-event": "^14.5.2",
     "@types/node": "^24.0.0",
+    "@types/qrcode": "^1.5.6",
     "@types/react": "^18.3.18",
     "@types/react-dom": "^18.3.5",
     "@types/react-syntax-highlighter": "^15.5.13",