* feat(backend): add DB persistence layer
Replace raw pg Pool with Drizzle ORM backed by Bun.sql.
Add per-user source configuration table (user_sources).
Migrate Better Auth to drizzle-adapter.
Add AES-256-GCM credential encryption.
Co-authored-by: Ona <no-reply@ona.com>
* fix(backend): set updatedAt explicitly in all mutations
onConflictDoUpdate bypasses Drizzle's $onUpdate hook.
Set updatedAt explicitly in all mutation methods.
Co-authored-by: Ona <no-reply@ona.com>
* fix(backend): add composite index on user_sources
Add (user_id, enabled) index for the enabled() query path.
Co-authored-by: Ona <no-reply@ona.com>
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Co-authored-by: Ona <no-reply@ona.com>
Rename all references across the codebase: package names,
imports, source IDs, directory names, docs, and configs.
Co-authored-by: Ona <no-reply@ona.com>
