Subagents (C4): the tree in the activity panel, read-only sessions, findings, stop; agent chats' setting
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On the server's /api/v2 (3.4.0, server dev 5d7b79c):
- The activity panel reads GET /chats/{chat}/tree beside the activity and
  draws ui/js/tree.js's rows in a Subagents section, the server panel's words
  and layout: nested by parent, position, phase, context %, state, model,
  mode + request options, messages and the last one, open slots, the ended
  ones folded and dimmed. A team's members are no longer drawn again among
  the tasks. The stream's `tree` frame redraws it.
- A subagent's conversation (/subagents/{id}/transcript, read again every 3 s
  while it works) and its findings open read-only in the panel; Stop asks,
  then POSTs /stop. With an agent chat's device away: the kept tree with the
  server's note, and its 409 sentence for the rest.
- A new agent chat's Subagents chip from /models?kind=agent&device= (each
  model's `subagents`, `agent_subagents.offered` and `device_runs`); an open
  agent chat's from its own `subagents`, as before.
- An approval item's `subagent` names it on the card.
- Progress keys are the spec's own ({{field}}), as the server's catalogues
  have them; SERVER_PENDING is gone, every sentence is translated.

tests/ui reads the server's contract fixtures (scripts/fetch-fixtures.sh ->
tests/ui/fixtures, SOURCE says the commit): status frames, tree, tree frame,
transcript, findings, models?kind=agent, a subagent's approval; six C4 cases.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
HomerandClaude Opus 5.5 committed 2026-11-10 10:44:35 +00:00
1 parent 89c769c806
commit 4b5b22c7d4
22 files changed
+1400 -181

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LLeMbas origin/dev (5d7b79c5c9dc0d9c3df9a8b401c02fdd67927c2d) tests/fixtures/api_v2
+31
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{
"id": "chat2",
"kind": "agent",
"title": "Waybread",
"model": "qwen",
"folder_id": null,
"pinned": false,
"archived": false,
"temporary": false,
"unread": true,
"running": true,
"mode": "edit",
"effort": "low",
"device": {
"token_id": "token1",
"directory": "/home/dev/project"
},
"device_session_id": "ses_01waybread",
"parent_chat_id": null,
"agents": {
"min": 1,
"max": 4
},
"subagents": {
"offered": true,
"named_only": false,
"cap": 32
},
"created_at": "2026-01-02T03:04:05+00:00",
"updated_at": "2026-01-02T03:04:05+00:00"
}
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{
"cards": [
{
"id": "card1",
"kind": "question",
"why": "",
"dismissable": false,
"expires_in": null,
"items": [
{
"index": 0,
"key": "q0",
"kind": "question",
"tool": "ask_user",
"title": "Honey or not?",
"header": "Taste",
"detail": "",
"reason": "",
"purpose": "",
"options": [
{
"label": "Honey",
"description": "",
"recommended": true
},
{
"label": "Plain",
"description": "As the elves have it",
"recommended": false
}
],
"multiple": false,
"free_text": true,
"editable": false,
"plan": null,
"mode_choice": true,
"job": "",
"subagent": null
}
]
},
{
"id": "card2",
"kind": "approval",
"why": "",
"dismissable": false,
"expires_in": null,
"items": [
{
"index": 0,
"key": "0",
"kind": "approval",
"tool": "bash",
"title": "Run a command",
"header": "",
"detail": "rm -rf build",
"reason": "Edit mode asks before anything that runs a command.",
"purpose": "Start clean",
"options": [],
"multiple": false,
"free_text": false,
"editable": true,
"plan": null,
"mode_choice": true,
"job": "explore (job1)",
"subagent": null
}
]
},
{
"id": "card3",
"kind": "plan",
"why": "",
"dismissable": true,
"expires_in": null,
"items": [
{
"index": 0,
"key": "p0",
"kind": "plan",
"tool": "plan_submit",
"title": "Bake lembas",
"header": "",
"detail": "",
"reason": "",
"purpose": "",
"options": [],
"multiple": false,
"free_text": true,
"editable": false,
"plan": {
"version": 2,
"title": "Bake lembas",
"summary": "",
"findings": [],
"objectives": [],
"phases": [
{
"id": "p1",
"title": "Plan",
"status": "pending",
"tasks": [
{
"id": "t1",
"text": "Gather mallorn leaves",
"status": "todo",
"note": ""
},
{
"id": "t2",
"text": "Bake slowly",
"status": "todo",
"note": ""
}
]
}
],
"steps": [
"Gather mallorn leaves",
"Bake slowly"
]
},
"mode_choice": true,
"job": "",
"subagent": null
}
]
},
{
"id": "card4",
"kind": "approval",
"why": "",
"dismissable": false,
"expires_in": null,
"items": [
{
"index": 0,
"key": "0",
"kind": "approval",
"tool": "bash",
"title": "Run a command",
"header": "",
"detail": "git push",
"reason": "Edit mode asks before anything that runs a command.",
"purpose": "",
"options": [],
"multiple": false,
"free_text": false,
"editable": true,
"plan": null,
"mode_choice": true,
"job": "",
"subagent": {
"id": "s1",
"name": "parser",
"position": "reviews the parser"
}
}
]
}
]
}
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{
"text": "Running bake --slow",
"progress": {
"phase": "running_tool",
"since": 1767323045000,
"tool": "bash",
"what": "bake --slow"
}
}
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{
"text": "",
"progress": null
}
@@ -0,0 +1,8 @@
{
"text": "Waiting for you to allow bash…",
"progress": {
"phase": "waiting_for_person",
"since": 1767323045000,
"what": "question"
}
}
@@ -0,0 +1,8 @@
{
"text": "",
"progress": {
"phase": "stopped",
"since": 1767323045000,
"reason": "person"
}
}
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{
"tree": {
"min": 1,
"max": 4,
"size": 2,
"open_slots": 1,
"agents": [
{
"id": "lead",
"name": "lead",
"position": "the main agent",
"parent": null,
"state": "working",
"model": "qwen-27b",
"mode": "edit",
"request": [],
"manager": true,
"context": {
"used": 41200,
"window": 131072
},
"progress": {
"phase": "thinking",
"since": 1767323045000
},
"findings": 0,
"messages": 2
},
{
"id": "s2",
"name": "parser",
"position": "reviews the parser",
"parent": "lead",
"state": "working",
"model": "qwen-27b",
"mode": "manual",
"task": "Review src/parse.ts.",
"request": [
"write"
],
"manager": false,
"context": {
"used": 9100,
"window": 131072
},
"progress": {
"phase": "running_tool",
"since": 1767323045000,
"tool": "read",
"what": "src/parse.ts"
},
"findings": 2,
"messages": 3
}
],
"ended": [
{
"id": "s1",
"name": "scout",
"position": "maps the code",
"parent": "lead",
"state": "done",
"model": "qwen-27b",
"mode": "edit",
"task": "Map it.",
"request": [],
"manager": false,
"progress": null,
"findings": 1,
"messages": 1,
"ended": 1767323045000
}
]
}
}
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{
"models": [
{
"id": "qwen",
"name": "Qwen",
"vision": false,
"tools": true,
"efforts": [
"medium"
],
"thinking_switch": true,
"levels": [
"off",
"medium"
],
"effort": "medium",
"control": "switch",
"parallel": 2,
"context": 131072,
"image": "/api/v2/models/images/0a1b2c3d4e5f.png",
"default": true,
"subagents": {
"offered": true,
"named_only": false
}
},
{
"id": "gpt-oss",
"name": "gpt-oss",
"vision": false,
"tools": true,
"efforts": [
"low",
"medium",
"high"
],
"thinking_switch": false,
"levels": [
"low",
"medium",
"high"
],
"effort": "high",
"control": "slider",
"parallel": 1,
"context": 0,
"image": null,
"default": false,
"subagents": {
"offered": true,
"named_only": false
}
},
{
"id": "vision-small",
"name": "Vision",
"vision": true,
"tools": false,
"efforts": [],
"thinking_switch": false,
"levels": [
"default"
],
"effort": "default",
"control": "none",
"parallel": null,
"context": 8192,
"image": null,
"default": false,
"subagents": {
"offered": true,
"named_only": false
}
}
],
"subagents_cap": 32,
"agent_subagents": {
"offered": true,
"device_runs": true
}
}
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{
"id": "s2",
"findings": [
{
"n": 1,
"text": "Login is POST /session.",
"time": 1767323045000
}
]
}
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{
"id": "s2",
"state": "working",
"turns": [
{
"role": "user",
"text": "Write the routes.",
"machine": true
},
{
"role": "assistant",
"text": "Reading the API first.",
"tools": [
{
"name": "read",
"title": "src/api.py",
"isError": false
}
],
"error": "",
"running": true
}
]
}
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{
"tree": {
"min": 2,
"max": 4,
"size": 3,
"open_slots": 0,
"agents": [
{
"id": "lead",
"name": "lead",
"position": "the main agent",
"parent": null,
"state": "working",
"model": "local/qwen",
"mode": "auto",
"request": [],
"manager": true,
"progress": {
"phase": "waiting_for_subagents",
"since": 1767323045000,
"running": 2
},
"findings": 0,
"messages": 1
},
{
"id": "s1",
"name": "area",
"position": "owns the API",
"parent": "lead",
"state": "working",
"model": "local/qwen",
"mode": "auto",
"request": [],
"manager": true,
"task": "Direct it.",
"progress": null,
"findings": 0,
"messages": 1
},
{
"id": "s2",
"name": "routes",
"position": "writes the routes",
"parent": "area",
"state": "working",
"model": "local/qwen",
"mode": "edit",
"request": [
"execute"
],
"manager": false,
"task": "Write the routes.",
"context": {
"used": 9100,
"window": 131072
},
"progress": {
"phase": "running_tool",
"since": 1767323045000,
"tool": "read",
"what": "src/api.py"
},
"findings": 1,
"messages": 1
}
],
"ended": [
{
"id": "s3",
"name": "scout",
"position": "maps the code",
"parent": "lead",
"state": "done",
"model": "local/qwen",
"mode": "auto",
"request": [],
"manager": false,
"task": "Map it.",
"progress": null,
"findings": 0,
"messages": 1,
"ended": 1767323045000
}
]
},
"room": [
{
"n": 1,
"from": "routes",
"to": [
"area"
],
"text": "Routes are in.",
"report": false,
"kind": "message",
"time": 1767323045000
},
{
"n": 2,
"from": "scout",
"to": [
"lead"
],
"text": "Mapped: see map.md.",
"report": true,
"kind": "report",
"time": 1767323045000
}
],
"live": true
}