runbook-tutorials/workplans/archived/260929-RBT-WP-0007-engine-v0-2-graph-datapoints-and-gates.md
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Archive the finished runbook-tutorials workplans
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

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Assistant-Model: sonnet
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2026-09-29 21:48:05 +02:00

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---
id: RBT-WP-0007
type: workplan
title: "Engine v0.2: graph, datapoint states and gates"
domain: infotech
repo: runbook-tutorials
status: finished
flavor: implementation
owner: claude
topic_slug: stack
created: "2026-09-29"
updated: "2026-09-29"
depends_on: [RBT-WP-0002]
state_hub_workstream_id: "0ce4d5fd-6eac-5f9a-a170-8231a551f66a"
---
## Goal
Make the engine understand the v0.2 model so a renderer can show a questionnaire flow,
a dimension view and an overview from the same run data.
## Dependency graph and recommended next action
```task
id: RBT-WP-0007-T01
status: done
priority: high
state_hub_task_id: "55dd86f9-5f89-59a2-8a0a-85fbedd95483"
```
Compute ready items from `requires` and `one_of`; recommended next = first ready in
canonical order; explain what a blocked item waits for.
## Datapoint states
```task
id: RBT-WP-0007-T02
status: done
priority: high
state_hub_task_id: "571e8685-6eeb-54ce-bb1a-4616ea951f81"
```
`nil/set/err/ok` per datapoint in the run record, with validation, dimension tags, and
how `ok` is reached (check or recorded manual confirmation).
## Gates and waivers
```task
id: RBT-WP-0007-T03
status: done
priority: high
state_hub_task_id: "707cca55-24a1-5355-8722-10740c5a2862"
```
Evaluate gate checks (same confirmation rule as step verify), block dependents and stage
exit, record waivers with who, when and why.
## Run record v0.2
```task
id: RBT-WP-0007-T04
status: done
priority: medium
state_hub_task_id: "73307bb9-2739-563b-92c7-a034a360b444"
```
`runbook-run/v0.2` with datapoints, gates, waivers; v0.1 records still load.
## Confirmation policy
```task
id: RBT-WP-0007-T05
status: done
priority: medium
state_hub_task_id: "0933ff4a-8478-50d9-aa99-991948bc2379"
```
Derive confirm button versus typed phrase from `reversible`; enforce the phrase in the
engine so no renderer can skip it.
## Operating modes: manual and auto-confirm
```task
id: RBT-WP-0007-T06
status: done
priority: high
state_hub_task_id: "1656597c-3748-5480-b136-e2872436bab4"
```
A run has a mode (`docs/pack-spec-v0.2.md`). Manual: the operator confirms; every
check, gate and precondition is shown with its state. Auto-confirm: the engine confirms
when all preconditions are met. `auto_confirm: manual-only` steps and irreversible steps
are never auto-confirmed without a recorded pre-authorization.
## Overrides, waivers, push-through and the deviation record
```task
id: RBT-WP-0007-T07
status: done
priority: high
state_hub_task_id: "0ef958ef-88b6-565b-8797-df730cf11ad3"
```
Override in manual mode when preconditions are unmet: name the unmet items and the
declared `downstream_risk`, require explicit confirmation and a reason, record a
deviation. Waivers only where a gate declares `waivable`. Auto-confirm timeouts
(`stop` or `push-through`) record a deviation and, for push-through, move on. A run with
any deviation is flagged and can never exercise a pack.
## Delivered 2026-09-29
`rtut/flow.py` and `rtut/run2.py`, documented in `docs/run-spec.md` (run record v0.2) and covered by
`tests/test_run2.py` (25 tests: readiness and recommendation, parallel items, alternatives, datapoint
states, gates, overrides, waivers, confirmation phrase, auto-confirm confirm / stop / push-through,
manual-only and pre-authorization, read-only finished runs). Two spec corrections came out of it:
a gate cannot require a datapoint it is itself `confirmed_by` (validator rule), and `run.finalize`
also requires gates passed or waived. Not done here: any UI or CLI for v0.2 runs (RBT-WP-0004).
## Acceptance Criteria
- The old console's stages, gates and datapoints can be expressed and computed
without special cases.
- A v0.1 pack behaves exactly as before.