feat(agent):Supports custom agent and chat experience with refactoring (#957)

* feat: add agent management functionality with creation, editing, and deletion

* feat: enhance agent creation and chat experience

- Added AgentWelcome component to display agent description on new thread creation.
- Improved agent name validation with availability check during agent creation.
- Updated NewAgentPage to handle agent creation flow more effectively, including enhanced error handling and user feedback.
- Refactored chat components to streamline message handling and improve user experience.
- Introduced new bootstrap skill for personalized onboarding conversations, including detailed conversation phases and a structured SOUL.md template.
- Updated localization files to reflect new features and error messages.
- General code cleanup and optimizations across various components and hooks.

* Refactor workspace layout and agent management components

- Updated WorkspaceLayout to use useLayoutEffect for sidebar state initialization.
- Removed unused AgentFormDialog and related edit functionality from AgentCard.
- Introduced ArtifactTrigger component to manage artifact visibility.
- Enhanced ChatBox to handle artifact selection and display.
- Improved message list rendering logic to avoid loading states.
- Updated localization files to remove deprecated keys and add new translations.
- Refined hooks for local settings and thread management to improve performance and clarity.
- Added temporal awareness guidelines to deep research skill documentation.

* feat: refactor chat components and introduce thread management hooks

* feat: improve artifact file detail preview logic and clean up console logs

* feat: refactor lead agent creation logic and improve logging details

* feat: validate agent name format and enhance error handling in agent setup

* feat: simplify thread search query by removing unnecessary metadata

* feat: update query key in useDeleteThread and useRenameThread for consistency

* feat: add isMock parameter to thread and artifact handling for improved testing

* fix: reorder import of setup_agent for consistency in builtins module

* feat: append mock parameter to thread links in CaseStudySection for testing purposes

* fix: update load_agent_soul calls to use cfg.name for improved clarity

* fix: update date format in apply_prompt_template for consistency

* feat: integrate isMock parameter into artifact content loading for enhanced testing

* docs: add license section to SKILL.md for clarity and attribution

* feat(agent): enhance model resolution and agent configuration handling

* chore: remove unused import of _resolve_model_name from agents

* feat(agent): remove unused field

* fix(agent): set default value for requested_model_name in _resolve_model_name function

* feat(agent): update get_available_tools call to handle optional agent_config and improve middleware function signature

---------

Co-authored-by: Willem Jiang <willem.jiang@gmail.com>

backend/tests/test_client_live.py

@@ -226,13 +226,12 @@ class TestLiveFileUpload:
 # ===========================================================================
 
 class TestLiveConfigQueries:
-    def test_list_models_returns_ark(self, client):
-        """list_models() returns the configured ARK model."""
+    def test_list_models_returns_configured_model(self, client):
+        """list_models() returns at least one configured model with Gateway-aligned fields."""
         result = client.list_models()
         assert "models" in result
         assert len(result["models"]) >= 1
         names = [m["name"] for m in result["models"]]
-        assert "ark-model" in names
         # Verify Gateway-aligned fields
         for m in result["models"]:
             assert "display_name" in m
@@ -240,10 +239,12 @@ class TestLiveConfigQueries:
         print(f"  models: {names}")
 
     def test_get_model_found(self, client):
-        """get_model() returns details for existing model."""
-        model = client.get_model("ark-model")
+        """get_model() returns details for the first configured model."""
+        result = client.list_models()
+        first_model_name = result["models"][0]["name"]
+        model = client.get_model(first_model_name)
         assert model is not None
-        assert model["name"] == "ark-model"
+        assert model["name"] == first_model_name
         assert "display_name" in model
         assert "supports_thinking" in model
         print(f"  model detail: {model}")