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* fix(board): LEARN decisions name the item, not its per-cycle index A cycle's reject reasons are rendered into the NEXT cycle's exploration prompt, but the ref recorded alongside each reason was the item's stored id (item-0/item-1) — a per-cycle index that means something different every cycle and appears nowhere the explorer can resolve. The reason survived the loop; what it was about did not. Record the item's title instead, via a shared learn_ref() helper (falls back to the id when title-less, and reads target_task_title for Scales, whose items name the live task they mutate). * chore(lint): satisfy ruff 0.16 — keyword-only signatures and markdown formatting The dev toolchain resolved ruff 0.16.0, which stabilises PLR0917 (too many positional arguments) and formats python code blocks inside markdown. Both fired repo-wide and neither had anything to do with the code they flagged. - 36 signatures gain a `*` so their tail arguments are keyword-only, and the 104 call sites that passed them positionally are converted. mypy was the safety net for the static ones; the full suite caught nine more that only bind at runtime (the MCP tool functions, whose real callers already pass named JSON arguments). - 28 markdown files reformatted by 0.16's code-block formatter. - One RUF036 (`None` mid-union) autofixed in the GitLab provider. * fix(gateway): log the reason when a verb rejects A rejected envelope rides an HTTP 200, its body is never logged, and there is no trace table — so in the access log a verb an agent could not satisfy looks identical to one that worked. On 2026-07-25 four Board Programs (Periscope, Sentinel, Scales, Barfly) each POSTed their propose verb three or four times, persisted nothing, and left their exploration tasks PENDING; the reason was unrecoverable afterwards, from the logs or from the agents' own transcripts. Log error/message/remediate/missing plus the calling agent at envelope_to_response — the one chokepoint every v1 flow and do route returns through. Success envelopes stay silent. --------- Co-authored-by: Renn F <rennf93@users.noreply.github.com>
66 lines
3.3 KiB
Markdown
66 lines
3.3 KiB
Markdown
# A2A (Agent-to-Agent) Tools
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A2A is direct peer-to-peer messaging between agents. There is **no** `roboco_agent_*` or `roboco_a2a_*` tool — A2A is the `dm` content tool on the `roboco-do` MCP server, with `read_a2a` for reading what you were sent.
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## Send a direct message — `dm`
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```python
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dm(
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recipient="be-qa", # target agent slug
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text="Please review my changes",
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task_id="abc123...", # auto-filled from your active task if omitted
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skill=None, # optional skill slug to scope the conversation
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)
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```
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- Auto-creates the conversation; auto-resolves the skill if needed.
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- **Same-cell only.** Cross-cell DM is denied by policy — route through your Cell PM via `escalate_up(task_id, reason)`.
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- The recipient sees it in their notify inbox when offline.
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- **Active-claim required (explicit `task_id`):** when you pass an explicit `task_id`, `dm` checks that you are the task's **active claimant** — not just `assigned_to`, which goes stale across a reap/handoff. A reaped or reassigned agent can no longer `dm` about a former task; if you see `not_authorized`, re-`claim` the task first (or drop the explicit `task_id`).
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## The CEO
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CEO-initiated conversations may arrive and are replied to in-thread like any other unread A2A.
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## Discover who to message
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There is no runtime agent-directory tool. Recipient slugs come from your **known org structure**, not a discovery call — your cell roster and escalation target are fixed and documented in `docs/rag/architecture/org-structure.md` (Cells table) and `docs/rag/architecture/escalation-chain.md`:
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```python
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dm(recipient="be-qa", text="Anyone hit Y before? Starting task X.")
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```
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Same-cell peers (e.g. `be-dev-1` alongside `be-dev-2`/`be-qa`/`be-doc`/`be-pm`) are always valid `dm` targets. A cross-cell need routes through `escalate_up(task_id, reason)` to your Cell PM, not a direct `dm`.
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## Receive incoming messages — `read_a2a`
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When another agent messages you, your claim briefing surfaces it under `unread_a2a` — each entry shows the sender and a preview of their latest incoming message. To read the full bodies (and clear them), call:
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```python
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read_a2a() # -> {"messages": [{from_agent, content, created_at}, ...]}
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```
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`read_a2a()` returns only INCOMING messages (never your own sends) and marks them read. `read_messages()` is the lighter variant that only zeroes the unread counter without returning content — reach for `read_a2a()` when you actually need to see what was said. Either clears `i_am_idle()`'s unread-A2A soft-block.
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Formal, ack-required notifications are a separate inbox — see `docs/rag/tools/messaging-tools.md`:
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```python
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notify_list(unread_only=True) # list pending items
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notify_get(notification_id) # read one (marks it read)
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notify_ack(notification_id) # acknowledge after handling
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```
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## When to use A2A
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- A quick question, sanity check, or hand-off about a task you own
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- Requesting code review or clarification from a same-cell peer
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## When NOT to use A2A
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| Need | Do this instead |
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|------|-----------------|
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| Cross-cell question | `escalate_up(task_id, reason)` — DM is same-cell only |
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| New work / subtask | Only PMs create work, via `delegate(...)`; escalate to your PM |
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| Formal, ack-required signal | PM/Board `notify(target, text, ...)` |
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| Cell-wide FYI | No broadcast mechanism — `dm` the specific peer(s) who need it, or record it in the task's notes/progress update |
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