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/src/agents/memory/queue.py

@@ -16,6 +16,7 @@ class ConversationContext:
     thread_id: str
     messages: list[Any]
     timestamp: datetime = field(default_factory=datetime.utcnow)
+    agent_name: str | None = None
 
 
 class MemoryUpdateQueue:
@@ -33,12 +34,13 @@ class MemoryUpdateQueue:
         self._timer: threading.Timer | None = None
         self._processing = False
 
-    def add(self, thread_id: str, messages: list[Any]) -> None:
+    def add(self, thread_id: str, messages: list[Any], agent_name: str | None = None) -> None:
         """Add a conversation to the update queue.
 
         Args:
             thread_id: The thread ID.
             messages: The conversation messages.
+            agent_name: If provided, memory is stored per-agent. If None, uses global memory.
         """
         config = get_memory_config()
         if not config.enabled:
@@ -47,6 +49,7 @@ class MemoryUpdateQueue:
         context = ConversationContext(
             thread_id=thread_id,
             messages=messages,
+            agent_name=agent_name,
         )
 
         with self._lock:
@@ -108,6 +111,7 @@ class MemoryUpdateQueue:
                     success = updater.update_memory(
                         messages=context.messages,
                         thread_id=context.thread_id,
+                        agent_name=context.agent_name,
                     )
                     if success:
                         print(f"Memory updated successfully for thread {context.thread_id}")