feat: @mention agent profiles in project chat#1018
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simple-agent-manager[bot] merged 3 commits intoMay 16, 2026
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Add @mention support for agent profiles in chat messages: Backend (mention enrichment): - New mention-enrichment service: extractMentions() parses @word and @"Multi Word" syntax - enrichMessageWithMentions() resolves mentions against agent profiles and appends hidden dispatch_task context for the receiving agent - Integrated into task submit (enriched description for agent, clean message for chat) - Integrated into chat prompt forwarding (enriched content sent to VM agent) UI (autocomplete palette): - New MentionPalette component following SlashCommandPalette pattern - Triggers on @ anywhere in text (not just start like slash commands) - Keyboard navigation (ArrowUp/Down, Enter, Tab, Escape) - Inserts @ProfileName at cursor position, handles multi-word names with quotes - Wired into ChatInput with cursor position tracking Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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Summary
@reviewer check the auth changes)@anywhere in text with keyboard navigationChanges
Backend
apps/api/src/services/mention-enrichment.ts—extractMentions()andenrichMessageWithMentions()apps/api/src/routes/tasks/submit.ts— enriched description for agent, clean message for chatapps/api/src/routes/chat.ts— enriched content sent to VM agent on follow-up promptsUI
packages/acp-client/src/components/MentionPalette.tsx— autocomplete dropdown for @mentionsapps/web/src/pages/project-chat/ChatInput.tsx— cursor tracking, mention palette integrationpackages/acp-client/src/index.ts— export MentionPaletteTests
apps/api/tests/unit/services/mention-enrichment.test.ts— 11 tests for mention extractionDesign Decisions
dispatch_task. The agent decides whether/how to act.SlashCommandPalettebut triggers on@anywhere in text, not just at the start.Test plan
External References
N/A: no external APIs or third-party documentation were needed; the change uses existing React, Hono, Vitest, and SAM task dispatch patterns already present in the repository.
Codebase Impact Analysis
Cross-component impact covers
apps/web/src/pages/project-chat/ChatInput.tsx,packages/acp-client/src/components/MentionPalette.tsx,packages/acp-client/src/index.ts,apps/api/src/services/mention-enrichment.ts,apps/api/src/routes/chat.ts,apps/api/src/routes/tasks/submit.ts, and related web/API tests. The API resolves agent profiles for the current project/user and enriches only the message sent to the agent while preserving the original user-visible chat text.Documentation & Specs
N/A: no user documentation or spec file changes are required for this PR; the feature is an inline project chat interaction and backend prompt-enrichment behavior covered by source code and tests.
Constitution & Risk Check
No hardcoded secrets, URLs, tenant identifiers, or environment-specific values were added. Mention targets are resolved server-side through existing profile lookup for the current project/user, unresolved mentions are ignored, and validation is covered by unit tests plus local full lint, typecheck, test, and build runs.
Generated with Claude Code