human hand off bug

backend/app/schemas.py

@@ -1,5 +1,4 @@
-from datetime import datetime, timezone
-from datetime import date
+from datetime import date, datetime, timezone
 from typing import Literal
 from uuid import UUID
 
@@ -313,6 +312,7 @@ class HandoffConversationSummary(BaseModel):
     external_subject: str
     external_sender: str
     human_email: str
+    human_name: str = ""
     status: str
     status_label: str
     current_owner: str
@@ -488,6 +488,7 @@ class ThreadSummary(BaseModel):
 class ThreadPage(BaseModel):
     items: list[ThreadSummary]
     next_cursor: str | None = None
+    total: int = 0
 
 
 class ThreadRead(BaseModel):
@@ -591,3 +592,18 @@ class DnsSetupResponse(BaseModel):
 
 def utc_now() -> datetime:
     return datetime.now(timezone.utc)
+
+
+def as_utc(value: datetime) -> datetime:
+    if value.tzinfo is None:
+        return value.replace(tzinfo=timezone.utc)
+    return value.astimezone(timezone.utc)
+
+
+def utc_iso(value: datetime) -> str:
+    return as_utc(value).isoformat().replace("+00:00", "Z")
+
+
+def parse_api_datetime(value: str) -> datetime:
+    parsed = datetime.fromisoformat(value.replace("Z", "+00:00"))
+    return as_utc(parsed)