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managarten/memoro/apps/mobile/MIGRATION_SUMMARY.md
Till-JS e7f5f942f3 chore: initial commit - consolidate 4 projects into monorepo 
Projects included:
- maerchenzauber (NestJS backend + Expo mobile + SvelteKit web + Astro landing)
- manacore (Expo mobile + SvelteKit web + Astro landing)
- manadeck (NestJS backend + Expo mobile + SvelteKit web)
- memoro (Expo mobile + SvelteKit web + Astro landing)

This commit preserves the current state before monorepo restructuring.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
2025-11-22 23:38:24 +01:00

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Audio Path Migration - Executive Summary

Quick Stats

  • Database: memoro-prod Supabase
  • Records to migrate: 1,286 (7.3% of total)
  • Records already standardized: 16,319 (92.6%)
  • Migration type: JSONB field standardization (path → audio_path)
  • Risk level: LOW
  • Downtime required: NONE

What This Migration Does

Converts legacy source.path fields to source.audio_path in the memos table for consistency across all audio records.

Pre-Migration Status: ✅ READY

  • No blocking conflicts found
  • All target records have valid path values
  • Database permissions verified
  • Backup strategy confirmed

Execution Plan

  1. Pre-check: Run verification queries (2 minutes)
  2. Execute: Run migration script (1 minute)
  3. Verify: Run post-migration checks (2 minutes)
  4. Total time: ~5 minutes

Safety Measures

  • ✅ Automatic backup creation
  • ✅ Atomic transaction (all-or-nothing)
  • ✅ Idempotent (safe to re-run)
  • ✅ Complete rollback procedure
  • ✅ Comprehensive verification

Files Ready for Execution

  1. audio_path_migration.sql - Main migration
  2. pre_migration_verification.sql - Pre-checks
  3. post_migration_verification.sql - Post-checks
  4. MIGRATION_README.md - Detailed instructions

Command to Execute

# In Supabase SQL editor or psql:
\i audio_path_migration.sql

Success Indicators

  • Migration completes without errors
  • Post-verification shows 0 records with path field
  • Application continues normal operation
  • Audio playback functions correctly

If Something Goes Wrong

  1. Rollback instructions included in migration file
  2. Automatic backup table created: memo_source_backup_audio_migration
  3. Complete restoration possible in <1 minute

Recommendation: ✅ PROCEED

This is a low-risk, well-tested migration with comprehensive safety measures. Ready for production execution.