Fix wakeup API source/triggerDetail enum values

Paperclip expects source ∈ {timer, assignment, on_demand, automation}
and triggerDetail ∈ {manual, ping, callback, system}.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

web/paperclip_client.py

@@ -313,8 +313,8 @@ async def wake_ceo_agent(issue_id: str, case_number: str) -> dict:
 
     url = f"{PAPERCLIP_API_URL}/api/agents/{CEO_AGENT_ID}/wakeup"
     payload = {
-        "source": "web-ui",
-        "triggerDetail": "user",
+        "source": "on_demand",
+        "triggerDetail": "manual",
         "reason": f"start_workflow_{case_number}",
         "payload": {
             "issueId": issue_id,