Approvals: the pending card now shows its full origin — flow, step, run id (previously dropped at the Dart mapping layer), project, and requested-at — under an ORIGIN heading, led by a one-line intro strip that says what the inbox is and what Approve/Reject do. Approve/Reject buttons carry tooltips; the history dialog gains project + run id. Fixes the approvals doc drift (title/details/reviewer -> prompt/show/timeout_seconds). Guard: approvals_origin_test renders the card via the hermetic fake hub and pins every origin fact. Runs: the "hub too old" state now leads with an in-place update button (same `chain update apply` path as the Diagnose page), the Diagnose deeplink demoted to secondary, with a CLI-absent fallback. Guard: two new RunsLoadErrorView widget tests. Signed-off-by: flemming-it <stefan.a.flemming@googlemail.com>
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Approvals
An approval is a deliberate human-in-the-loop checkpoint inside a flow. When a step needs a human decision before it proceeds, the flow pauses at that step until a reviewer approves or rejects it.
When to use one
Add an approval step before:
- writing to a system of record (cases, contracts, mailings)
- spending money (LLM tokens above a threshold, API quotas)
- destructive actions (delete, archive, send)
- anything the operator's compliance owner asked you to gate
The approval is a recorded event — every approval shows up in
the audit log with the reviewer, decision, and reason. The
prompt is the sentence the reviewer sees; show selects the
data put in front of them (a prior step's output).
How a flow declares one
steps:
- id: classify
use: text.classify@^1
- id: review
use: system.approval@^0
with:
prompt: "Review the classifier output"
show: "$classify.response"
timeout_seconds: 600
- id: write
use: erp.write@^1
with:
record: "$review.payload"
system.approval is a built-in capability — no module install
needed. It blocks the flow's run until the matching approval
record reaches a decision (approved / rejected) or the
configured timeout_seconds elapses.
How an operator answers one
The Approvals page lists every pending approval. Each card
shows its origin (flow, step, run, project, requested-at), the
prompt, and the show data. Read them, then decide:
- Approve — the flow resumes from this step with the
approval's
payloadas the step output. - Reject — the flow fails at this step with the reviewer's reason; the audit log records the rejection.
Timeouts
If no decision arrives within timeout_seconds, the engine
returns ApprovalTimedOut and the flow fails. Set a timeout
that reflects how long a reviewer can realistically take.
What gets logged
Every approval write hits the audit log:
- approval requested (with the prompt + show-data snapshot)
- reviewer-decision recorded (with reason on reject)
- payload + signature on accept
The hash chain catches tampering — an entry that was approved yesterday can't be quietly flipped to rejected today without breaking the chain.
Architecture trade-off
Approvals are stored alongside events in the SQLite audit DB. For higher-assurance deployments, mirror the audit DB to a WORM sink (Compliance Gap 3, option 2). The approval contract is the same either way — the WORM sink just makes the audit trail tamper-evident to outside reviewers, not just to the hub itself.