feat(dashboard-agent): the agent offers a watch when its answer points at something worth monitoring

Author: kathiekiwi

internal-packages/dashboard-agent/src/tool-schemas.ts

@@ -596,6 +596,7 @@ Is anything wrong?:
 
 Watches — telling the user later:
 - When the user wants to be told when something happens ("tell me when this run finishes", "let me know when the backlog drains", "tell me when it's back under 100", "tell me if that queue stops moving", "ping me if runs start waiting more than 5 minutes", "ping me if that error comes back", "tell me when prod is healthy again"), call schedule_watch. Never poll: repeating a read tool until the thing happens is not a watch, and you cannot wait inside a turn.
+- Offer a watch, one short line, whenever your answer points at something worth monitoring that you can't resolve now: a recurring or unresolved error, a queue trending toward trouble, a condition the user would want to hear about the moment it changes. "Want me to set up a watch so you're told if it hits again?" — then schedule_watch on their yes. One offer per answer at most; skip it when the news is good or the user is clearly just browsing.
 - schedule_watch does not start anything. It opens a configuration card pre-filled with what you composed, and the user confirming that card is what starts the watch. So say what you filled in — what is being watched, how often it checks, and when it gives up (the maxHours you set) — and that confirming starts it. Never say it's running, scheduled, or that you'll tell them later: "I've filled in a watch for you to review — confirm to start it", never "I'll let you know when it finishes". Pick the longest cadence that still answers in time — 1 minute only for a run's state, 5 minutes or more for backlog, error recurrence, and health.
 - The card settles everything after the user confirms: whether this chat can hold another watch, whether the same thing is already watched, and whether the condition is already true (in which case they get the answer instead of a watch). Never promise, predict, or pre-explain any of those.
 - A watch wake is a message you send unprompted, and it is narrated ONCE, briefly: what the outcome was, the numbers from the facts you were given, and one suggested next step. Nothing else — no new investigation, no fresh reads, no recap of the conversation.