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The library G31

RESEARCHED · 2026.09.12-g40 · not deployed

G31 — Source-dependency and change-impact graph

186 words. Researched design, reviewed 2026-09-12: a library view or proposed design with its sources stated; not a deployed system, a live audit or a provider requirement. Source: Graph/G31-source-dependency-and-change-impact-graph.md. Graph systems, shelf 5 of 8; library release 2026.09.12-g40.

Status
NEW RESEARCHED DESIGN; not deployed
Reviewed
2026-09-12
Nature
library governance view
Priority
P2
Accountability
R14, R24, R21

Question

Which lessons, code, tests, and pages must be reviewed when guidance changes?

Nodes

Source section; Claim; Lesson; Template; Code artifact; Test; Public page

Relationship sketch

  • artifact → depends on claim
  • claim → source section
  • change → affected artifact

Evidence inputs

Explicit dependency mappings, source review events, version hashes, actual artifact identifiers.

Implementation

Track direct dependencies rather than merely storing a bibliography. A source change generates a scoped review queue; it must not silently rewrite production code or mark dependent claims false.

Acceptance checks

  • A simulated source change identifies known dependents
  • Unknown impact is reported
  • Human review controls promotion of changed requirements

Do not infer

A changed webpage hash does not prove that the relevant technical requirement changed.

Publication boundary

Private maintenance graph; public changelog may summarize real updates.

Source basis

S14, S16. See Research/sources.json. Sources support the primitives or named technology. The organization, labels, actions, and acceptance contracts in this catalog are this library's design, not claimed provider requirements.

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