Data Persistence (Drift, Preferences, Secure Storage)

When to use

• Drift: large lists/JSON, offline cache, queryable local data.
• SharedPreferences: user settings and small flags (non-sensitive).
• flutter_secure_storage: tokens, credentials, secrets (sensitive).

Steps

1) Drift (SQLite): centralized tables, feature-first DAOs

Tables live in the app database file; DAOs live per feature in data/datasource/.

Table example (caching raw JSON by key):