feat: --brief flag + SendUserMessage notification integration - #81
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All sessions now spawn with --brief, enabling Claude's SendUserMessage tool for structured agent-to-dashboard messaging. Server changes: - sessions.ts: add --brief to spawn args (always on) - hooks.ts: detect SendUserMessage/Brief tool calls in PreToolUse events - Extract message content and status (normal/proactive) - Store as notification (feeds into existing unread badge system) - Log proactive messages (agent-initiated notifications) - Extended tool_input type with message/status/attachments fields How it works: - Claude routes important replies through SendUserMessage tool call - Hook relay captures it via PreToolUse event - Server stores as notification with the message content - Dashboard shows unread badge (existing system) - Proactive messages = agent needs attention (stronger signal) Terminal output is unchanged — --brief only adds the structured messaging channel, doesn't hide anything. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This was referenced Mar 27, 2026
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All sessions now have structured messaging via --brief. SendUserMessage calls are intercepted by the hook relay and stored as notifications. Terminal output unchanged.