Fix Prisma migration loop when varchar used in partial unique index

Fix Prisma migration loop when varchar used in partial unique index targets a $2.5B = 500,000 development teams × $5K ACV (annual tooling/support for DB migration and ORM reliability) total addressable market with medium saturation and a year-over-year growth rate of 12% YoY — estimate based on growth in DevOps and developer tools spending (sources: State of DevOps, GitLab, industry reports 2022-2024).

Key trends driving demand: Shift-left database changes — teams increasingly run schema diffs in CI which raises sensitivity to migration determinism and spurious diffs.; ORM ubiquity — adoption of ORMs like Prisma and managed Postgres has increased, expanding surface area for ORM-specific migration issues.; Developer-first tooling — developers prefer lightweight, CLI/PR-integrated tools that fix problems without heavy platform lock-in, enabling niche tools to gain traction quickly.; AI-assisted code analysis — recent advances let tools classify diffs, generate patch candidates, and explain root causes with higher confidence, enabling auto-fix workflows..