feat(agents): Add identity and soul template fields to board creation

backend/app/schemas/users.py

@@ -9,12 +9,26 @@ class UserBase(SQLModel):
     clerk_user_id: str
     email: str | None = None
     name: str | None = None
+    preferred_name: str | None = None
+    pronouns: str | None = None
+    timezone: str | None = None
+    notes: str | None = None
+    context: str | None = None
 
 
 class UserCreate(UserBase):
     pass
 
 
+class UserUpdate(SQLModel):
+    name: str | None = None
+    preferred_name: str | None = None
+    pronouns: str | None = None
+    timezone: str | None = None
+    notes: str | None = None
+    context: str | None = None
+
+
 class UserRead(UserBase):
     id: UUID
     is_super_admin: bool