refactor(backend): update API routes and service layer

- Update agent router/service/repository with new endpoints
- Update auth routes with phone-based authentication
- Update users service with new phone lookup
- Update schedule_items with new schemas
- Update message schemas with visibility support
- Update settings with new automation scheduler config
- Update CLI with new commands
- Update tests to match new API contracts

backend/src/schemas/messages/chat_message.py

@@ -6,7 +6,7 @@ from typing import Any, ClassVar
 from uuid import UUID
 
 from pydantic import BaseModel, ConfigDict, Field
-from schemas.agent.runtime_models import AgentOutput
+from schemas.agent.runtime_models import AgentOutput, RouterAgentOutput
 
 from ..agent import AgentType, ToolAgentOutput
 
@@ -24,6 +24,7 @@ class AgentChatMessageMetadata(BaseModel):
     run_id: str
     agent_type: AgentType | None = None
     user_message_attachments: list[UserMessageAttachment] | None = None
+    router_agent_output: RouterAgentOutput | None = None
     tool_agent_output: ToolAgentOutput | None = None
     agent_output: AgentOutput | None = None
 

backend/src/schemas/user/context.py

@@ -66,7 +66,7 @@ class UserContext(BaseModel):
 
     id: str
     username: str
-    email: str | None = None
+    phone: str | None = None
     avatar_url: str | None = None
     bio: str | None = None
     settings: ProfileSettingsUnion | None = None