- test_recipes: split update test into in-place vs copy-on-write paths
(PUT now updates in-place when current version has no measurements).
Added _seed_measurement() helper to force copy-on-write where needed.
- test_tasks::reorder: expunge_all() between POST and GET so the shared
test session re-fetches RecipeVersion.tasks instead of returning the
cached collection. Prod uses one session per request, so identity-map
staleness only affects tests.
- test_measure::save_measurement_proxy: payload aligned to current API
(version_id is required; pass_fail/deviation are computed server-side).
All 179 tests green.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
Adriano
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