feat: add real-time subagent visibility - monitor Claude Code background agents

- Add SubagentWatcher service that discovers and tails Claude Code's subagent
  transcript files (~/.claude/projects/.../subagents/agent-*.jsonl)
- Track tool calls, progress events, and messages in real-time via file watching
- Add SSE events for subagent:discovered, subagent:tool_call, subagent:progress,
  subagent:message, subagent:completed
- Add REST API endpoints: GET /api/subagents, /api/subagents/:id,
  /api/subagents/:id/transcript
- Add subagent panel in Monitor section showing active agents and their activity
- Add floating draggable windows that auto-open for each active agent
- Add standalone CLI tool: scripts/watch-subagents.ts for terminal monitoring

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
arkon
2026-01-25 14:33:12 +01:00
co-authored by Claude Opus 4.5
parent 4c34966827
commit ad24020cdc
6 changed files with 1907 additions and 0 deletions
+319
View File
@@ -2997,3 +2997,322 @@ kbd {
border-radius: 8px 8px 0 0;
}
}
/* ========== Subagent Panel (Claude Code Background Agents) ========== */
.subagent-container {
display: flex;
gap: 0.5rem;
height: 200px;
}
.subagent-list {
flex: 0 0 200px;
overflow-y: auto;
border-right: 1px solid var(--border);
padding-right: 0.5rem;
}
.subagent-detail {
flex: 1;
overflow-y: auto;
padding-left: 0.5rem;
}
.subagent-empty {
color: var(--text-muted);
font-size: 0.75rem;
text-align: center;
padding: 1rem;
}
.subagent-badge {
background: var(--accent);
color: white;
font-size: 0.65rem;
padding: 0.1rem 0.4rem;
border-radius: 8px;
margin-left: 0.5rem;
}
.subagent-item {
padding: 0.5rem;
border-radius: 6px;
background: var(--bg-elevated);
margin-bottom: 0.4rem;
cursor: pointer;
transition: background 0.15s;
}
.subagent-item:hover {
background: var(--bg-card);
}
.subagent-item.selected {
background: var(--bg-card);
border: 1px solid var(--accent);
}
.subagent-header {
display: flex;
align-items: center;
gap: 0.4rem;
margin-bottom: 0.3rem;
}
.subagent-icon {
font-size: 0.9rem;
}
.subagent-id {
font-family: var(--font-mono);
font-size: 0.75rem;
color: var(--text);
}
.subagent-status {
font-size: 0.6rem;
padding: 0.1rem 0.3rem;
border-radius: 4px;
margin-left: auto;
}
.subagent-status.active {
background: var(--success);
color: white;
}
.subagent-status.idle {
background: var(--warning);
color: black;
}
.subagent-status.completed {
background: var(--text-muted);
color: white;
}
.subagent-window-btn {
background: transparent;
border: none;
color: var(--text-muted);
cursor: pointer;
padding: 0.1rem 0.3rem;
font-size: 0.75rem;
margin-left: auto;
}
.subagent-window-btn:hover {
color: var(--accent);
}
.subagent-meta {
display: flex;
gap: 0.5rem;
font-size: 0.65rem;
color: var(--text-muted);
}
.subagent-last-tool {
color: var(--accent);
}
/* Subagent Detail */
.subagent-detail-header {
display: flex;
align-items: center;
gap: 0.5rem;
margin-bottom: 0.5rem;
padding-bottom: 0.5rem;
border-bottom: 1px solid var(--border);
}
.subagent-detail-header .subagent-id {
font-size: 0.85rem;
font-weight: 600;
}
.subagent-transcript-btn {
margin-left: auto;
font-size: 0.65rem;
padding: 0.2rem 0.5rem;
background: var(--bg-card);
border: 1px solid var(--border);
border-radius: 4px;
color: var(--text);
cursor: pointer;
}
.subagent-transcript-btn:hover {
background: var(--bg-elevated);
}
.subagent-detail-stats {
display: flex;
gap: 1rem;
font-size: 0.7rem;
color: var(--text-muted);
margin-bottom: 0.5rem;
}
.subagent-activity-log {
font-family: var(--font-mono);
font-size: 0.7rem;
max-height: 150px;
overflow-y: auto;
}
.subagent-activity {
display: flex;
gap: 0.4rem;
padding: 0.2rem 0;
border-bottom: 1px solid var(--border-subtle);
}
.subagent-activity .time {
color: var(--text-muted);
flex: 0 0 60px;
}
.subagent-activity .icon {
flex: 0 0 20px;
}
.subagent-activity .name {
color: var(--accent);
flex: 0 0 80px;
}
.subagent-activity .detail {
color: var(--text-dim);
flex: 1;
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
.subagent-activity.tool .icon {
color: var(--accent);
}
.subagent-activity.progress .icon {
color: var(--warning);
}
.subagent-activity.message .icon {
color: var(--text);
}
/* ========== Subagent Windows (Floating) ========== */
.subagent-window {
position: fixed;
width: 500px;
height: 400px;
background: var(--bg-surface);
border: 1px solid var(--border);
border-radius: 8px;
box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
z-index: 1000;
display: flex;
flex-direction: column;
overflow: hidden;
}
.subagent-window-header {
display: flex;
align-items: center;
padding: 0.5rem 0.75rem;
background: var(--bg-elevated);
border-bottom: 1px solid var(--border);
cursor: move;
}
.subagent-window-title {
display: flex;
align-items: center;
gap: 0.4rem;
flex: 1;
}
.subagent-window-title .icon {
font-size: 1rem;
}
.subagent-window-title .id {
font-family: var(--font-mono);
font-size: 0.8rem;
}
.subagent-window-title .status {
font-size: 0.6rem;
padding: 0.1rem 0.3rem;
border-radius: 4px;
}
.subagent-window-title .status.active {
background: var(--success);
color: white;
}
.subagent-window-actions {
display: flex;
gap: 0.3rem;
}
.subagent-window-actions button {
background: transparent;
border: none;
color: var(--text-muted);
cursor: pointer;
padding: 0.2rem 0.4rem;
font-size: 0.9rem;
}
.subagent-window-actions button:hover {
color: var(--text);
}
.subagent-window-body {
flex: 1;
overflow-y: auto;
padding: 0.5rem;
font-family: var(--font-mono);
font-size: 0.75rem;
}
.subagent-window-body .activity-line {
display: flex;
gap: 0.4rem;
padding: 0.15rem 0;
}
.subagent-window-body .activity-line .time {
color: var(--text-muted);
flex: 0 0 70px;
}
.subagent-window-body .activity-line .tool-icon {
flex: 0 0 20px;
}
.subagent-window-body .activity-line .tool-name {
color: var(--accent);
flex: 0 0 90px;
}
.subagent-window-body .activity-line .tool-detail {
color: var(--text-dim);
flex: 1;
}
.subagent-window-body .message-line {
padding: 0.3rem 0;
color: var(--text);
}
.subagent-window-body .progress-line {
color: var(--warning);
font-style: italic;
}