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

pyproject.toml

@@ -49,6 +49,11 @@ dependencies = [
     "pyyaml>=6.0,<7.0.0",
     "filelock>=3.25.2",
     "packaging>=24.0",
+    "defusedxml>=0.7.1,<1.0.0",
+    "pypdf>=5.0.0,<6.0.0",
+    "python-docx>=1.1.0,<2.0.0",
+    "openpyxl>=3.1.0,<4.0.0",
+    "python-pptx>=1.0.0,<2.0.0",
 ]
 
 [project.optional-dependencies]
@@ -65,6 +70,8 @@ dingtalk = [
     "dingtalk-stream>=0.24.0,<1.0.0",
 ]
 documents = [
+    # Compatibility extra: document readers are bundled since v0.2.3.
+    "defusedxml>=0.7.1,<1.0.0",
     "pypdf>=5.0.0,<6.0.0",
     "python-docx>=1.1.0,<2.0.0",
     "openpyxl>=3.1.0,<4.0.0",
@@ -123,8 +130,12 @@ whatsapp = [
 langsmith = [
     "langsmith>=0.1.0",
 ]
+langfuse = [
+    "langfuse>=3.0.0,<4.0.0",
+]
 pdf = [
-    "pymupdf>=1.25.0",
+    # Compatibility extra: PDF reading is bundled since v0.2.3.
+    "pypdf>=5.0.0,<6.0.0",
 ]
 olostep = [
     "olostep>=0.1.0",