History
Overview
Records kept for the sake of the decision, not for the day's work. If you are doing a job, you want
Operator instead.
Nothing here describes the system as it operates today. This is why it is kept apart: a reader
must not mistake a past decision, a reconstruction or a closed programme for current behaviour.
Access
No menu. This section is reached from Knowledge Base.
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Main Features
The Three Kinds Of Record Here
| Section |
What it holds |
How to read it |
| Decisions |
Why a rule is what it is |
Read the rule of thumb first, then the record if you need the reasoning |
| Incidents |
What was investigated, observed and reconstructed |
Treat as dated evidence, not as specification |
| Releases |
What shipped, and the closed prior programme |
Useful for "when did this change" |
Decisions
Incidents
| Folder |
What it holds |
| Reconstruction |
Per-area reconstruction of how the current system actually behaves |
| Research |
The dated investigation that produced it |
| The individual maps |
Source registries, current-state reviews and open decisions per area |
Releases
Fields
| Field |
What it means |
| Date |
Always read this first. The record is only true as at that date |
| Status |
Whether the record is current, superseded or historical |
| Area |
Which part of the system it concerns |
Status
| Shown |
Meaning |
| Current |
Still governs something |
| Superseded |
Replaced by something else |
| Closed |
Finished and no longer changing |
Notes
- Never use this section to answer "how does it work now?" If a record here conflicts with an
Operator page, the Operator page is the one that describes today's behaviour.
- A decision record is not an instruction to you. It explains why a rule exists; it does not authorise
a change.
- Reconstruction records are evidence, not specification. They record what was observed during an
investigation.
- If you cannot tell whether a record is current, treat it as historical and check
Archive.
- Archive — superseded material kept for the record
- Developer — how the system is built today