2 commits

Author	SHA1	Message	Date
Graham McIntire	48bc27e43c	fix: Resolve majority of dialyzer type errors ... - Fix leader election guard test for :undefined pid - Fix cpu_sup.util() pattern matching to handle numeric return - Fix encoding_utils to always return explicit nil when needed - Remove unused finite_float? function - Fix signal handler to match :ok return from :os.set_signal/2 - Remove redundant catch-all pattern in database metrics - Fix Gridsquare pattern matching in info_live template - Remove unnecessary nil check for calculate_course result - Fix get_packet_received_at to not check for nil (always returns DateTime) - Remove redundant catch-all pattern in weather format_weather_value - Fix query builder to use from(p in Packet) instead of bare Packet atom Reduced dialyzer errors from 49 to 6. Remaining warnings are mostly false positives from template compilation and overloaded function specs. 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>	2025-07-30 13:30:21 -05:00
Graham McIntire	5f783894a4	Add PostgreSQL and database pool metrics to telemetry ... - Create DatabaseMetrics module to collect PostgreSQL statistics - Add metrics for database connection pool (size, idle, busy, queue) - Add PostgreSQL connection metrics (active, idle, waiting) - Add packets table metrics (size, row counts, operations) - Add query performance metrics from pg_stat_statements - Create enhanced Grafana dashboard with database visualizations - Configure periodic measurements to collect metrics every 10 seconds This provides comprehensive database monitoring including: - Connection pool health and utilization - PostgreSQL connection states and bottlenecks - Table growth and dead tuple ratios - Query performance statistics - Database and table sizes 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>	2025-07-27 14:13:17 -05:00