Speed up the phase pareto page (3)

Heavy pages now paint faster by streaming less work to the browser and scanning less data on the server.

• Rebuilt the timeline chart on list pages (runs, units, logs) to render instantly without a charting library, cutting script work and layout jank
• Made the phase pareto page's data queries scan a bounded set of runs instead of the procedure's full history, removing the multi-second wait before the chart appears