Add operational schema and identity roles

sql/minerops-retention-hourly.sql

@@ -0,0 +1,34 @@
+INSERT INTO miner_status_hourly_rollups (
+    miner_id,
+    bucket_at,
+    sample_count,
+    avg_mhs_av,
+    max_mhs_av,
+    avg_power_w,
+    max_chip_temp_c,
+    avg_chip_temp_c,
+    avg_pool_rejected_percent,
+    updated_at
+)
+SELECT
+    miner_id,
+    date_trunc('hour', observed_at) AS bucket_at,
+    COUNT(*) AS sample_count,
+    AVG(mhs_av)::double precision,
+    MAX(mhs_av)::double precision,
+    AVG(power_w)::double precision,
+    MAX(chip_temp_max_c)::double precision,
+    AVG(chip_temp_avg_c)::double precision,
+    AVG(pool_rejected_percent)::double precision,
+    now()
+FROM miner_status_snapshots
+GROUP BY miner_id, date_trunc('hour', observed_at)
+ON CONFLICT (miner_id, bucket_at) DO UPDATE
+SET sample_count = EXCLUDED.sample_count,
+    avg_mhs_av = EXCLUDED.avg_mhs_av,
+    max_mhs_av = EXCLUDED.max_mhs_av,
+    avg_power_w = EXCLUDED.avg_power_w,
+    max_chip_temp_c = EXCLUDED.max_chip_temp_c,
+    avg_chip_temp_c = EXCLUDED.avg_chip_temp_c,
+    avg_pool_rejected_percent = EXCLUDED.avg_pool_rejected_percent,
+    updated_at = now();