hyperhive/docs/tools/scheduling.md
atlas 11097ed336 remove the get_host_journal MCP tool and its capability
swarm-logs covers every host-tier unit this tool could reach, so the
second, capability-gated path into host journald earns nothing and is
removed outright rather than disabled behind a flag.

Removed end to end: the MCP tool definition + handler, the
GetHostJournal/HostJournal wire variants, hive-c0re's
dispatch_host_journal handler, the ReadHostJournal capability, and the
harness-side capability->--allowedTools gate. get_host_journal was the
only capability that mapped to an MCP tool, so allowed_capability_tools
could only ever return an empty vec; it goes too rather than linger as a
function that provably does nothing.

capabilities::has_cap/caps_for stay: #4624 gave ManageRootAgent's
bind-mount enforcement (hive-c0re/src/lifecycle/host_config.rs) a
second caller of has_cap, so they're no longer callerless once this
lands on top of it.

hive-sh4re's journal module (JournalPriority) had no consumer outside
this tool and is deleted.

An existing capabilities.json still naming read_host_journal does not
error: capabilities::prune_unknown drops unrecognised names with a
warn!, and an agent left with no capabilities has its entry removed. No
migration step is needed.

Untouched: hive-c0re/src/dashboard/journal.rs's
read_host_journal_response, which matches the name but is the private
helper behind the operator-only GET /api/journal-host dashboard route
and carries no capability check.
2026-09-21 19:31:45 +02:00

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Markdown

# Scheduling and diagnostics tools
## `scheduling` tool group
Scheduled prompts fan a message body out to one or more agent inboxes
at a future time, optionally recurring.
**Creating** one goes through the operator approval queue, even when it
targets only yourself — use `remind` for an unapproved self-wake. The
other four verbs need no approval: holding the `scheduling` tool group
is the whole gate.
Authorization is one rule for all four verbs: you reach every schedule in
the hive, whoever owns it. `list_schedules` shows the same set, so the
snapshot only ever shows schedules you could also cancel.
### `request_schedule_prompt(targets, body, first_fire_at_unix, interval_seconds?, description?)`
<!-- vale write-good.Passive = NO -->
Queue an operator-approval for a scheduled prompt. On approve,
hive-c0re fans `body` out to each agent in `targets` at
`first_fire_at_unix` (Unix timestamp). Recurring when `interval_seconds`
is set, one-shot otherwise.
<!-- vale write-good.Passive = YES -->
Catch-up clamp: if hive-c0re is down across multiple intervals, only
ONE delayed fire happens on resume (per recurring schedule). The
skipped-cycle count surfaces in the per-target `last_result` for
audit.
### `edit_schedule(id, body?, description?, interval_seconds?, next_fire_at_unix?, targets_add?, targets_remove?)`
Partial-update a schedule. Pass only the fields to change; absent
fields stay untouched. `targets_add` / `targets_remove` mutate the
recipient list in the same transaction — re-adding a previously
cancelled target drops its tombstone and starts fresh.
`interval_seconds` accepts positive values only via this tool (omit
to keep the existing cadence; pass a new positive value to change
it). Toggling recurring → one-shot (clearing the interval) is
operator-only via the dashboard PATCH endpoint. Refuses cancelled
rows (terminal state).
### `cancel_schedule(id, targets?)`
<!-- vale write-good.Passive = NO -->
Cancel a schedule. Omit `targets` / pass empty to cancel the whole
schedule; pass a list to cancel just those recipients (the schedule
autocancels once every target is gone).
<!-- vale write-good.Passive = YES -->
### `fire_schedule_now(id)`
Fire a scheduled prompt out of band immediately. Recurring schedules
keep their cadence — the manual fire is additive. The manual fire
consumes one-shot schedules and cancels them afterwards.
### `list_schedules()`
Snapshot every schedule in the hive (active, and cancelled but not yet
reaped) — same read scope as the rest of this group. Returns id, owner,
body, per-target `last_fired_at` and `last_result`,
`next_fire_at_unix`, `interval_seconds`. Use to look up an id before
cancelling, or to audit upcoming wake-ups across the hive.
## See also
- `remind` (no-approval self-wake path) — documented in
[`docs/turn-loop/`](../turn-loop/README.md).
- [`docs/agent-lifecycle/approvals.md`](../agent-lifecycle/approvals.md) — approval flow for
`request_schedule_prompt`.