4fae990dca Agents - generate titles for untitled external sessions (#331985)
External sessions whose provider surfaces them without a title showed up
unnamed in the sessions list. Generate one from the user's first prompt,
reusing the existing rename infrastructure.

Adds a deferred-work lane on AgentService: `markStartupComplete()` is
signalled by the process mains, and work queued through
`_runWhenStartupSettled` runs once that and the first served session
listing have both happened. Background maintenance therefore never
competes with startup, and the service owns no ambient timer. The stale
external-session prune moves onto the same lane, replacing its 60s timer.

Discovery and legacy migration queue newly registered external sessions
that have no provider title. The job keeps the 2 most recently updated
candidates, reads the first user prompt from the default chat, and hands
it to `AgentHostSessionTitleController.generateExternalSessionTitle`,
which reuses the same utility-model prompt, cleaning, persistence, and
cancellation as first-message titling. Sessions that already carry a
persisted title are left alone, and a rename during generation cancels
it. Since these sessions are surfaced but not live,
`updateSurfacedSessionTitle` pushes the title onto the surfaced summary
so clients update in place.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
2026-08-22 09:55:11 +00:00
2026-08-12 11:19:57 +02:00
2026-08-12 01:12:25 +00:00
2026-07-12 20:30:31 +00:00

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