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Migrate schema + backfill data on a deployed Convex app using @convex-dev/migrations.
Passed 15 of 22 test cases with the skill, and 4 of 22 without it.
and 9 more in the full report
11 fixed4 passed either way7 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 11 test cases the skill fixed. Same model, same prompt, with and without the skill.
We are updating our Convex database schema to make an existing optional user property mandatory. Could you provide a complete step-by-step guide and code pattern to safely backfill the legacy rows and update our schema validator?
| Checked | Without skill | With skill |
|---|---|---|
| The response specifies using `@convex-dev/migrations` rather than custom internal mutation pagination loops. | Missed | Passed |
| The response instructs to tighten the schema validator to mandatory only after the backfill script has finished running. | Passed | Passed |
The instructions your model reads when the skill loads.
Change a deployed schema without breaking existing data: stage the schema change, install @convex-dev/migrations, write a backfill that makes old rows valid, run it, and verify before tightening the validator.
test cases passed, vs 4 / 22 without
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