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agent-desk-ng/docs/superpowers/plans/2026-10-14-operator-workspace.md

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Operator Workspace: Slash Commands, Collision Detection & Alerts Implementation Plan

For agentic workers: REQUIRED SUB-SKILL: Use superpowers:subagent-driven-development to implement this plan task-by-task. Steps use checkbox (- [ ]) syntax for tracking.

Goal: Enhance the human operator workspace with inline slash command (/) quick replies, real-time operator collision detection (preventing two operators from answering the same customer at once), and audio-visual alerts for incoming messages.

Architecture: Extend the existing WebSocket service with a lightweight operator.presence topic broadcast (viewing, typing, left). Integrate slash command trigger into SharedMessageEditor for instant macro insertion. Add client-side presence state tracking with automatic TTL decay, rendering an operator collision banner in the chat panel. Provide synthesized Web Audio chime alerts for incoming customer messages.

Tech Stack: Go 1.26, Gorilla WebSocket, Next.js 16 App Router, TypeScript, Tiptap, Base UI / Tailwind CSS, Web Audio API.

Spec: Agreed enhancements roadmap (Option 2 - Operator Workspace improvements).

Global Constraints

  • Follow AGENTS.md layer ownership (no direct SQL in handlers, clean WebSocket envelope structures).
  • Symmetrical 3-locale i18n parity (zh-CN.json, en-US.json, ru-RU.json).
  • Zero external binary/audio assets — synthesize audio chime using native Web Audio API.
  • TypeScript compilation must pass with 0 errors (tsc --noEmit).
  • Go formatting (gofmt) and all Go tests must pass cleanly.

Review Focus

  1. Operator presence event storms: typing events must be throttled (max once per 3s).
  2. Presence cleanup: presence records must auto-expire after TTL (15s) so disconnected or crashed tabs don't show ghost operators.
  3. Slash command replacement: selecting a quick reply via / must replace the / text cleanly without leaving orphan slashes.
  4. Audio context autoplay policies: Web Audio API must initialize lazily upon user interaction and safely no-op when blocked.
  5. Multi-operator collision UI: banner must be informative, non-disruptive, and properly localized across all 3 languages.

Task 1: Backend Operator Presence Event & WebSocket Protocol

Files:

  • Modify: internal/pkg/enums/im.go
  • Modify: internal/services/ws_realtime_types.go
  • Modify: internal/services/ws_service.go
  • Test: internal/services/ws_service_test.go

Interfaces:

  • Produces:

    • enums.IMRealtimeEventOperatorPresence = "operator.presence"
    • RealtimeOperatorPresencePayload: 
      type RealtimeOperatorPresencePayload struct {
    ConversationID int64  `json:"conversationId"`
    UserID         int64  `json:"userId"`
    Username       string `json:"username"`
    Nickname       string `json:"nickname"`
    Action         string `json:"action"` // "viewing", "typing", "left"
    At             string `json:"at"`
}
    • RealtimeOperatorPresenceEvent implementing RealtimeDomainEvent.
    • Client message parsing in ws_service.go for type: "presence".
    • WsService.PublishOperatorPresence(conversationID int64, principal *dto.AuthPrincipal, action string, excludeConnID string).

  • Step 1: Write test for Operator Presence publishing

In internal/services/ws_service_test.go: Add TestPublishOperatorPresence verifying that publishing presence sends the event to subscribers on conversation:{id} while skipping excludeConnID.

  • Step 2: Run test to verify it fails

Run: & 'C:\Program Files\Go\bin\go.exe' test -run TestPublishOperatorPresence ./internal/services/... Expected: FAIL

  • Step 3: Implement enum, payload, event, and WsService methods
  1. In internal/pkg/enums/im.go: define IMRealtimeEventOperatorPresence = "operator.presence".
  2. In internal/services/ws_realtime_types.go: define RealtimeOperatorPresencePayload and RealtimeOperatorPresenceEvent.
  3. In internal/services/ws_service.go:
    • Handle client message type == "presence": parse conversationId and action, call PublishOperatorPresence.
    • Implement PublishOperatorPresence(conversationID int64, principal *dto.AuthPrincipal, action string, excludeConnID string).
  • Step 4: Run test to verify it passes

Run: & 'C:\Program Files\Go\bin\go.exe' test -run TestPublishOperatorPresence ./internal/services/... Expected: PASS

  • Step 5: Run gofmt and commit
git add internal/pkg/enums/im.go internal/services/ws_realtime_types.go internal/services/ws_service.go internal/services/ws_service_test.go
git commit -m "feat(ws): support operator.presence realtime event and client presence messages"

Task 2: Symmetrical i18n Translations for Collision Alerts and Audio Notifications

Files:

  • Modify: web/messages/en-US.json
  • Modify: web/messages/ru-RU.json
  • Modify: web/messages/zh-CN.json
  • Test: web/i18n/message-integrity.test.mjs

Interfaces:

  • Produces: Symmetrical keys across all 3 locales:

    • operatorPresence.viewing: "{name} is viewing this conversation" / "{name} просматривает этот диалог" / "{name} 正在查看此会话"
    • operatorPresence.typing: "{name} is typing a reply..." / "{name} печатает ответ..." / "{name} 正在输入回复..."
    • operatorPresence.multipleViewing: "{count} operators are viewing this conversation" / "{count} оператора просматривают этот диалог" / "{count} 位客服正在查看此会话"
    • operatorPresence.collisionWarning: "Warning: Another operator is active here to avoid duplicate replies." / "Внимание: другой оператор активен в этом диалоге во избежание дублирования ответов." / "注意：其他客服正在处理此会话，请避免重复回复。"
    • conversation.quickReplySlashHint: "Type / for quick replies" / "Введите / для быстрого ответа" / "输入 / 快捷回复"

  • Step 1: Check baseline integrity

Run: node --test web/i18n/message-integrity.test.mjs

  • Step 2: Add keys symmetrically to all 3 JSON files

Add operatorPresence.* and conversation.quickReplySlashHint with exact placeholder parity {name} and {count}.

  • Step 3: Run integrity tests

Run: node --test web/i18n/message-integrity.test.mjs Expected: PASS (0 missing keys, 0 placeholder mismatches).

  • Step 4: Commit
git add web/messages/en-US.json web/messages/ru-RU.json web/messages/zh-CN.json
git commit -m "feat(i18n): add localized messages for operator collision and slash commands"

Task 3: Slash Commands (/) Quick Reply Autocomplete in SharedMessageEditor

Files:

  • Modify: web/components/chat/shared-message-editor.tsx
  • Modify: web/app/(dashboard)/dashboard/conversations/_components/agent-message-editor.tsx
  • Test: web/node_modules/.bin/tsc.cmd --noEmit and manual verification

Interfaces:

  • Consumes: quickReplies prop in SharedMessageEditor

  • Produces:

    • When typing / as first character or when editor text matches /query, opens the Quick Replies popover and filters items by query.
    • Selecting a quick reply removes the /query prefix and inserts the chosen quick reply content.
    • Shows subtle hint conversation.quickReplySlashHint in editor toolbar for operator variant.

  • Step 1: Implement slash trigger and query tracking

In web/components/chat/shared-message-editor.tsx:

  1. In editor.on("update"):
    • Inspect plain text of current block.
    • If text matches ^/([^\s]*)$:
      • Open quick replies popover.
      • Set quick reply search query to match the typed characters.
  2. In handleInsertQuickReply(item):
    • If current text starts with /, delete the slash prefix before inserting item.content.
  3. In toolbar: show subtle hint for operators (conversation.quickReplySlashHint).
  • Step 2: Run typecheck

Run: & "web/node_modules/.bin/tsc.cmd" --noEmit --project web/tsconfig.json Expected: 0 errors.

  • Step 3: Commit
git add web/components/chat/shared-message-editor.tsx web/app/\(dashboard\)/dashboard/conversations/_components/agent-message-editor.tsx
git commit -m "feat(editor): support slash command / for quick reply autocomplete"

Task 4: Operator Presence Tracking & Collision Warning UI

Files:

  • Create: web/lib/operator-presence-state.ts
  • Create: web/lib/operator-presence-state.test.mjs
  • Modify: web/hooks/use-agent-conversation-realtime.ts
  • Modify: web/app/(dashboard)/dashboard/conversations/_components/chat-panel.tsx
  • Test: node --test web/lib/operator-presence-state.test.mjs and web/node_modules/.bin/tsc.cmd --noEmit

Interfaces:

  • Produces:

    • resolveOperatorPresence(currentList, incomingEvent, currentUserId) -> pure function returning active peer presences, purging expired entries (>15s TTL).
    • Outgoing presence messages:
      • "viewing" sent when selecting conversation.
      • "typing" sent when operator types (throttled to 3s).
      • "left" sent when unselecting conversation.
    • In chat-panel.tsx:
      • Renders an alert banner above the message editor or below conversation header if peer operators are active.
      • Displays avatar badge and text e.g. "Jane is viewing this conversation" or "Jane is typing a reply...".

  • Step 1: Write unit tests for pure presence state transitions

Create web/lib/operator-presence-state.test.mjs verifying:

  • Adds new peer operator with timestamp.

  • Ignores self (currentUserId).

  • Updates action from "viewing" to "typing".

  • Removes operator on action "left".

  • Filters out records older than 15 seconds.

  • Step 2: Run test to verify it fails

Run: node --test web/lib/operator-presence-state.test.mjs Expected: FAIL

  • Step 3: Implement web/lib/operator-presence-state.ts

Export:

  • OperatorPresenceRecord

  • updateOperatorPresenceList

  • purgeExpiredOperatorPresences

  • Step 4: Run test to verify it passes

Run: node --test web/lib/operator-presence-state.test.mjs Expected: PASS

  • Step 5: Integrate into use-agent-conversation-realtime.ts and chat-panel.tsx
  1. In use-agent-conversation-realtime.ts:
    • Send {"type": "presence", "conversationId": id, "action": "viewing"} on subscribe.
    • Send {"type": "presence", "conversationId": id, "action": "left"} on unsubscribe.
    • Listen for operator.presence events and update store presence state.
  2. In chat-panel.tsx:
    • When active peer operators exist on currentConversation.id:
      • Render collision warning banner with UsersIcon and localized description.
  • Step 6: Run typecheck and tests

Run: & "web/node_modules/.bin/tsc.cmd" --noEmit --project web/tsconfig.json Run: node --test web/lib/operator-presence-state.test.mjs Expected: ALL PASS with 0 errors.

  • Step 7: Commit
git add web/lib/operator-presence-state.ts web/lib/operator-presence-state.test.mjs web/hooks/use-agent-conversation-realtime.ts web/app/\(dashboard\)/dashboard/conversations/_components/chat-panel.tsx
git commit -m "feat(presence): detect operator collision and render warning banner"

Task 5: Incoming Message Audio & Expanded Browser Alerting

Files:

  • Create: web/lib/sound-alert.ts
  • Create: web/lib/sound-alert.test.mjs
  • Modify: web/hooks/use-agent-conversation-realtime.ts
  • Test: node --test web/lib/sound-alert.test.mjs and web/node_modules/.bin/tsc.cmd --noEmit

Interfaces:

  • Produces:

    • playIncomingMessageSound(): synthesizes a clean 587Hz -> 880Hz (D5 -> A5) chime via Web Audio API. Safe when audio is suspended or unsupported.
    • In use-agent-conversation-realtime.ts:
      • When message.created arrives from a customer:
        • If message is from customer and either:
          • assigned to current operator, OR
          • conversation is unassigned / pending
        • Play sound alert via playIncomingMessageSound().
        • Show browser notification if tab is in background.

  • Step 1: Write unit test for sound alert helper

In web/lib/sound-alert.test.mjs: Test safe fallback when AudioContext is undefined (Node.js/SSR environment).

  • Step 2: Run test to verify it fails

Run: node --test web/lib/sound-alert.test.mjs Expected: FAIL

  • Step 3: Implement web/lib/sound-alert.ts

Synthesizes gentle dual-tone sine oscillator with exponential decay.

  • Step 4: Run test to verify it passes

Run: node --test web/lib/sound-alert.test.mjs Expected: PASS

  • Step 5: Wire into use-agent-conversation-realtime.ts

Trigger playIncomingMessageSound() on new customer messages for assigned/pending conversations.

  • Step 6: Run typecheck and all tests

Run: & "web/node_modules/.bin/tsc.cmd" --noEmit --project web/tsconfig.json Run: node --test web/lib/*.test.mjs web/i18n/*.test.mjs Run: & 'C:\Program Files\Go\bin\go.exe' test ./internal/... Expected: ALL PASS with 0 errors.

  • Step 7: Commit
git add web/lib/sound-alert.ts web/lib/sound-alert.test.mjs web/hooks/use-agent-conversation-realtime.ts
git commit -m "feat(notification): add audio chime and expanded alerts for incoming customer messages"