Adds auto-update trigger for updated_at column on adapters table and partial index for efficient enabled adapter queries. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Add simple SQL migration runner tracking applied migrations in schema_migrations table. First migration creates: - config schema - config.adapters table (name, enabled, cadence_s, settings JSONB) - config.api_keys table (alias, encrypted_value BYTEA) - NOTIFY triggers for real-time config change detection - Seeds NWS adapter row from current TOML config Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>