Add advanced pattern detection features to Powerball reader

- Enhanced CSV parsing script to include advanced statistical analyses.
- Implemented functions to detect consecutive numbers, odd/even distributions, high/low distributions, sum patterns, gap patterns, hot/cold numbers, overdue numbers, number pairs, and decade distributions.
- Integrated pattern analysis results into combination generation for more strategic number selection.
- Updated main function to run advanced analyses and generate pattern-based combinations.

personal/cron_scripts/fancontrol/set_fanspeed.py

@@ -22,7 +22,7 @@ IPMIPW = None
 IPMIEK = DEFAULT_EK
 
 # Fan / temperature settings
-FANSPEED = 20   # percent
+FANSPEED = 15   # percent
 MAXTEMP = 37    # Celsius
 
 def build_ipmi_base():

personal/cron_scripts/pg_backup.sh

@@ -77,6 +77,16 @@ clean_walfiles() {
 		fi
 	done < <(find "$WAL_ARCHIVE_DIR" -maxdepth 1 -type f ! -name '*.backup' -print0)
 
+	# Also delete old .backup files (except the newest one) that exceed retention period
+	for backup_file in "${backup_files[@]}"; do
+		if [[ "$backup_file" != "$newest_backup" ]]; then
+			backup_ts=$(stat -c %Y "$backup_file")
+			if [[ "$backup_ts" -lt "$age_cutoff_ts" ]]; then
+				files_to_delete+=("$backup_file")
+			fi
+		fi
+	done
+
 	if [[ ${#files_to_delete[@]} -eq 0 ]]; then
 		log "No WAL files matched cleanup criteria."
 		return 0