feat: add Supabase disaster recovery system

supabase_snapshot/backup_info.txt

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+Supabase Backup Information
+===========================
+Backup Date: Tue Nov 25 08:39:29 IST 2025
+Timestamp: 20251125_083659
+
+Database Connection: postgresql://postgres:Akshay18233665@***
+
+Files Generated:
+- extensions.sql    : Database extensions
+- schema.sql        : Complete schema (tables, indexes, constraints)
+- policies.sql      : Row Level Security policies
+- functions.sql     : Custom SQL functions
+- triggers.sql      : Database triggers
+- complete_backup.dump : Full binary backup with all data
+- seed_data.sql     : Seed data (if configured)
+
+Restore Instructions:
+1. Create a new Supabase project
+2. Get the connection string from project settings
+3. Run: export SUPABASE_DB_URL="your-new-connection-string"
+4. Run: ./restore.sh
+
+For more information, see README.md

supabase_snapshot/extensions.sql

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+ CREATE EXTENSION IF NOT EXISTS "pg_cron";
+ CREATE EXTENSION IF NOT EXISTS "pg_graphql";
+ CREATE EXTENSION IF NOT EXISTS "pg_net";
+ CREATE EXTENSION IF NOT EXISTS "pg_stat_statements";
+ CREATE EXTENSION IF NOT EXISTS "pgcrypto";
+ CREATE EXTENSION IF NOT EXISTS "supabase_vault";
+ CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
+