Add a "Send now" button to each queued AI-chat message that interrupts the
running agent and immediately resends that message, preserving the agent's
partial output and telling it on the next turn that it was interrupted.
Client:
- queue-helpers: new pure promoteToHead() (+ tests)
- chat-thread: sendNow() promotes the chosen message to the queue head and
aborts; onFinish flushes the promoted head on the intentional abort; a
one-shot `interrupted` flag rides that resend request; stale flags are
cleared at every turn start to defuse a clean-finish/click race leak
- "Send now" action icon + en-US/ru-RU translations
Server:
- AiChatStreamBody.interrupted flag; shouldInjectInterruptNote() gates on the
flag AND a genuinely-unfinished previous turn (aborted/streaming)
- buildSystemPrompt() appends INTERRUPT_NOTE inside the safety sandwich so the
model treats its previous, partial reply as incomplete
- prompt + service unit tests
Partial-output persistence already existed (onAbort -> 'aborted', findRecent
replays regardless of status); that path is unchanged.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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