fix(backend/db): Unbreak store materialized views refresh job (#10906)

- Resolves #10898

### Changes 🏗️

- Fix and re-create `refresh_store_materialized_views` DB function and
its pg_cron job

### Checklist 📋

#### For code changes:
- [x] I have clearly listed my changes in the PR description
- [x] I have made a test plan
- [x] I have tested my changes according to the test plan:
  - [x] Migration applies without issues (locally)
  - [x] Refresh function can be run without issues (locally)

autogpt_platform/backend/migrations/20250910161617_fix_store_materialized_views_refresh_job/migration.sql

@@ -0,0 +1,66 @@
+-- Fixes the refresh function+job introduced in 20250604130249_optimise_store_agent_and_creator_views
+-- by improving the function to accept a schema parameter and updating the cron job to use it.
+-- This resolves the issue where pg_cron jobs fail because they run in 'public' schema
+-- but the materialized views exist in 'platform' schema.
+
+
+-- Create parameterized refresh function that accepts schema name
+CREATE OR REPLACE FUNCTION refresh_store_materialized_views()
+RETURNS void
+LANGUAGE plpgsql
+AS $$
+DECLARE
+    target_schema text := current_schema();  -- Use the current schema where the function is called
+BEGIN
+    -- Use CONCURRENTLY for better performance during refresh
+    REFRESH MATERIALIZED VIEW CONCURRENTLY "mv_agent_run_counts";
+    REFRESH MATERIALIZED VIEW CONCURRENTLY "mv_review_stats";
+    RAISE NOTICE 'Materialized views refreshed in schema % at %', target_schema, NOW();
+EXCEPTION
+    WHEN OTHERS THEN
+        -- Fallback to non-concurrent refresh if concurrent fails
+        REFRESH MATERIALIZED VIEW "mv_agent_run_counts";
+        REFRESH MATERIALIZED VIEW "mv_review_stats";
+        RAISE NOTICE 'Materialized views refreshed (non-concurrent) in schema % at %. Concurrent refresh failed due to: %', target_schema, NOW(), SQLERRM;
+END;
+$$;
+
+-- Initial refresh + test of the function to ensure it works
+SELECT refresh_store_materialized_views();
+
+-- Re-create the cron job to use the improved function
+DO $$
+DECLARE
+    has_pg_cron BOOLEAN;
+    current_schema_name text := current_schema();
+    old_job_name text;
+    job_name text;
+BEGIN
+    -- Check if pg_cron extension exists
+    SELECT EXISTS (SELECT 1 FROM pg_extension WHERE extname = 'pg_cron') INTO has_pg_cron;
+
+    IF has_pg_cron THEN
+        old_job_name := format('refresh-store-views-%s', current_schema_name);
+        job_name := format('refresh-store-views_%s', current_schema_name);
+
+        -- Try to unschedule existing job (ignore errors if it doesn't exist)
+        BEGIN
+            PERFORM cron.unschedule(old_job_name);
+        EXCEPTION WHEN OTHERS THEN
+            NULL;
+        END;
+
+        -- Schedule the new job with explicit schema parameter
+        PERFORM cron.schedule(
+            job_name,
+            '*/15 * * * *',
+            format('SET search_path TO %I; SELECT refresh_store_materialized_views();', current_schema_name)
+        );
+        RAISE NOTICE 'Scheduled job %; runs every 15 minutes for schema %', job_name, current_schema_name;
+    ELSE
+        RAISE WARNING '⚠️  Automatic refresh NOT configured - pg_cron is not available';
+        RAISE WARNING '⚠️  You must manually refresh views with: SELECT refresh_store_materialized_views();';
+        RAISE WARNING '⚠️  Or install pg_cron for automatic refresh in production';
+    END IF;
+END;
+$$;