jschoubben
333356cff3
Jochen asked whether the order made sense. It did not -- it followed when things happened to be decided, which after consolidation is fictional anyway since record 5 alone folds decisions taken across a week. Concretely wrong before: the domain statement sat at 8, after five engineering rules; the constitution was scattered across 5, 12 and 17; the tiers landed at 15, 16, 21 and 22 with process records in between. Now it walks: what the mesh is (1-3), its tiers from the bottom up (4-8), what runs on them and how it gets there (9-10), how it is built (11-16), how it is checked (17-18), how we work (19-23). Two things made this safe rather than free. It is a permutation, not a compaction, so the renames go through temporary names -- otherwise two files want one slot and one is lost. And the reference rewrite is a single simultaneous pass, because almost every number moved into a slot another number was vacating; replacing one at a time would have cascaded and pointed things at the wrong record while still resolving. Verified: 284 [ADR NNNN](path) links across the repository, all with matching text and target. The ordering principle is now stated in 19 rather than left implicit -- the repository already said "the numbering is the flow" about its folders, and there was no reason for the records to be the exception.
68 lines
3.1 KiB
Markdown
68 lines
3.1 KiB
Markdown
---
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status: accepted
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date: 2026-08-23
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deciders: jochen
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reconstructed: false
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---
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# 21. HQ is the source of the mesh constitution
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## Context
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[ADR 0020](0020-the-mesh-is-governed-by-a-constitution.md) established a canonical rule set,
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injected into every eligible design session and checked before output is accepted. It lives in
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the knowledge base, where the orchestrator reads it.
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HQ separately carried a document stating overlapping rules with the reasoning that earned each
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one. Two texts, one enforced and one not.
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That arrangement has a predictable outcome and it is not a tie. The enforced copy wins by
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default, because it is the one that blocks work. The reasoned copy quietly stops being true,
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and the rules survive without the incidents that justify them — at which point a rule reads as
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arbitrary, and an arbitrary rule is the kind people route around.
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## Considered options
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1. **The knowledge-base page is the source; HQ points at it.** Rejected, though it is the
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honest description of what was already happening. It leaves the reasoning downstream of the
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rule, and the reasoning is the part that makes a rule survive a challenge.
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2. **Accept the overlap and let both stand.** Rejected: two authorities is no authority, and
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the drift is silent.
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3. **HQ is the source; the governed page is derived and published from it.** Chosen.
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## Decision
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[`00-META/how-we-build.md`](../00-META/how-we-build.md) is the source. The governed page the
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mesh injects is **derived** from it — the rules without the reasoning — and is never edited
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directly.
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Publishing is a playbook step, not a manual act, and it ends with **reading the page back and
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verifying the change is present**. A publish that reported success and did nothing is exactly
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the failure class this mesh keeps producing
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([ADR 0010](0010-delivery.md)).
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Section numbering is stable, because the orchestrator and the review fragments cite sections by
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number.
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## Consequences
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- One source, many surfaces — the same argument HQ's separation already rests on
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([ADR 0019](0019-how-this-repository-works.md)), applied to the rules themselves.
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- Each rule keeps the incident that earned it, in a place that is reviewed as a diff.
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- An edit to the derived page survives until the next sync and then vanishes. The playbook says
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so, and nothing mechanically prevents it.
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- **The sync is manual and is the weak point.** An unsynced rule is a rule the mesh does not
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enforce, whatever the source says — so the playbook requires the failure to be stated rather
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than passed over. This is the same class of gap as
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[`04-ISSUES/006`](../04-ISSUES/006-hq-is-not-indexed-into-the-knowledge-base/00-report.md),
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and it is worth watching for the same reason.
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- The document grew from four rules to seven sections, because it now has to carry everything
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the mesh enforces rather than only what someone thought to write down.
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## References
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- [`00-META/process/05-constitution-sync.md`](../00-META/process/05-constitution-sync.md) —
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the sync, including the read-back.
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- [ADR 0020](0020-the-mesh-is-governed-by-a-constitution.md) — the governed page and why it
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exists.
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