migration-script-runner / msr-core / a139819f-0c7c-4597-a8f4-7c804fd6173f

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Pull #132

circleci

#139: Fix down migration TypeError by matching DB records with filesystem scripts

Fixed "TypeError: s.init is not a function" error when calling executor.down().

Root Cause:
- migrationScanner.scan() returns scripts.migrated as plain objects from DB
- Plain objects lack filepath property and init() method
- prepareRollbackScripts() tried to call init() on plain objects

Solution:
- Added matchMigratedWithScripts() helper to match DB records with filesystem
- Maps migrated records (plain objects) to MigrationScript instances (with filepath)
- Throws clear error if migration file is missing from filesystem

Changes:
- Added private matchMigratedWithScripts() method in MigrationRollbackManager
- Updated rollbackToVersion() to use matched scripts before calling init()

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