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EVOLV/.agents/decisions/DECISION-20260422-pumpingstation-wiki-in-code-repo.md
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Log pumpingStation architectural decisions; bump submodule pointers
Four decisions recorded under .agents/decisions/ per project convention
(DECISION-YYYYMMDD-slug.md) to close the loop on today's pumpingStation
refactor + eval + docs work:

- wiki-in-code-repo — why docs+diagrams+code now live in one package
- 5-threshold-naming — old/new field mapping + breaking-change rationale
- mode-tier-template — Tier 1/2/3 classification for mode pages
- eval-harness — why eval/ exists alongside test/

Also bumps nodes/pumpingStation to 66fd3fe (eval harness + Tier 2/3
template pages).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-22 16:50:00 +02:00

2.6 KiB

DECISION-20260422-pumpingstation-wiki-in-code-repo

Context

  • Task/request: Document pumpingStation functional behaviour (basin model, control modes, safety). Initial draft went into the Gitea wiki repo (pumpingStation.wiki.git).
  • Impacted files/contracts: location of all pumpingStation documentation; how docs, diagrams, and code stay in sync; wiki UI vs repo browsing UX.
  • Why a decision is required now: Wiki repo + code repo diverge silently. When specificClass.js renames a field, nothing forces the wiki to follow. User preference is "single package" — clone once, edit together, review together.

Options

  1. Keep docs in pumpingStation.wiki.git (Gitea's native wiki)
  • Benefits: Gitea wiki UI (Pages dropdown, ?edit=1, dedicated URL).
  • Risks: Two separate repos; code and doc drift silently.
  • Rollout notes: Status quo as of 2026-04-22.
  1. Move docs + diagrams into pumpingStation.git/wiki/ (selected)
  • Benefits: Single package — git clone pumpingStation gets code + docs + diagrams. Atomic commits can change code + doc + diagram together. Diagrams version-lock with the class they describe.
  • Risks: Lose the Gitea wiki Pages dropdown. Browsing is via the repo tree.
  • Rollout notes: Shrink the .wiki.git to a pointer at the new location.
  1. Hybrid — diagrams only in code repo, Markdown pages in .wiki.git
  • Benefits: Keep Gitea wiki UI.
  • Risks: Image URLs break silently on rename; still two repos to sync.
  • Rollout notes: Not pursued.

Decision

  • Selected option: Option 2 — everything under pumpingStation/wiki/.
  • Decision owner: User (r.de.ren@brabantsedelta.nl)
  • Date: 2026-04-22
  • Rationale: Single package > Gitea wiki UI convenience. Review-as-one-PR pattern is worth more than the Pages dropdown. wiki/README.md acts as the index instead.

Consequences

  • Compatibility impact: Anyone bookmarking RnD/pumpingStation/wiki/Functional-Description lands on a one-line pointer. Breaking but low-impact.
  • Safety/security impact: None.
  • Data/operations impact: Future contributors must know to edit wiki/ inside the code repo, not the wiki repo. Pointer page on the Gitea wiki explains.

Implementation Notes

  • Required code/doc updates: pumpingStation/wiki/{functional-description.md, README.md, modes/, diagrams/} populated; .wiki.git Home shrunk.
  • Validation evidence required: Raw Gitea URLs resolve; https://gitea.wbd-rd.nl/RnD/pumpingStation/src/branch/main/wiki/ browses cleanly.

Rollback / Migration

  • Rollback strategy: Reverse — copy pumpingStation/wiki/*.md back into .wiki.git, update .wiki.git Home to point at itself.
  • Migration/deprecation plan: The pointer page stays indefinitely.