The function was using .eq("template_key") but the actual column name
in notification_templates table is "key". This caused "Template not found"
errors even when the template existed and was active.
Changes:
- send-notification/index.ts: Changed .eq("template_key") to .eq("key")
- Matches the pattern used in send-auth-otp and other edge functions
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Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>