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A lean site still gets every plugin's tables from the shared core Alembic baseline. prune-schema drops the tables of plugins not installed on this site, leaving core + chosen-plugin tables, with no edit to any released migration (the relocate-into-plugin-baselines alternative would mean rewriting ~15 released core migrations for a cosmetic gain - see ADR-014). - shopdb/plugins/cli.py: prune-schema command. Dry-run by default; --yes to execute; refuses non-empty tables without --force. Drops by table name (no plugin import) so it works on a lean image. MySQL: private AUTOCOMMIT engine (db.engine's pooled connections sit idle-in-transaction in a CLI context and would deadlock the DROP on a metadata lock). SQLite: db.engine, restoring the prior foreign_keys pragma so the StaticPool connection is not left changed. - tests/test_plugin_prune_schema.py: drop-only-not-installed, full no-op, refuse-non-empty, force-drops-non-empty. - docs/DEPLOY.md: lean provisioning step after upgrade-all. - ADR-014 ACCEPTED; index updated. Verified on MySQL: full install then prune = no-op (86 tables); lean install (machines+printers) then prune drops the other 19 plugin tables; second run no-op. Full suite 1077 passed.
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Architecture Decision Records
Each ADR captures a single architectural decision: the context, the decision itself, the consequences, and the alternatives considered. ADRs are immutable once accepted. Superseded ADRs stay in this folder with a pointer to the newer ADR.
Status definitions
- PROPOSED: drafted, awaiting decision
- ACCEPTED: decision is in effect
- SUPERSEDED: replaced by a later ADR (link forward)
- DEPRECATED: no longer in effect, no replacement
Index
| ADR | Title | Status |
|---|---|---|
| 001 | Asset model is the platform contract | ACCEPTED |
| 002 | Plugin contract versioning (semver) | ACCEPTED |
| 003 | Plugin distribution model | ACCEPTED |
| 004 | Deployment topology (per-site instances) | ACCEPTED |
| 005 | Equipment vs measuringtools plugin scope | ACCEPTED |
| 006 | Plugin collector contract pattern | ACCEPTED |
| 007 | Product versioning and releases | ACCEPTED |
| 008 | Plugin migration ownership (per-plugin chains) | ACCEPTED |
| 009 | Frontend plugin route gating | ACCEPTED |
| 010 | Frontend plugin hook contract | ACCEPTED |
| 011 | Machines rename + modeltypes retyping | ACCEPTED |
| 012 | GE-Enforce manifest ownership in shopdb | ACCEPTED |
| 013 | Plugin catalog, curated shelf, and lean per-site builds | PROPOSED |
| 014 | Schema-lean per-site builds (retire cross-plugin FKs, prune not-installed plugin tables) | ACCEPTED |
Authoring
When proposing a new decision, copy the most recent ADR as a template, increment the number, and update this index. Do not edit accepted ADRs in place; supersede them with a new one.