Docs + simulations refresh; align spill-flow keys with new position

- wiki/functional-description.md: rename Overfill Protection → High-volume
  Safety; tighten basin-ordering chain; relocate level-based mode
  diagrams under wiki/diagrams/modes/level-based/; document the new
  flow.predicted.overflow.default position (replaces the previous
  child='overflow' under position 'out'); add underflowVolume +
  predictedUnderflowVolume entries.
- wiki/modes/{levelbased,powerbased}.md: paragraph cleanups.
- wiki/diagrams: move level-linear basin diagram under modes/level-based/
  alongside a new level-log variant.
- simulations/run.js: add max_demand_gt expectation.
- simulations/scenarios/*: minor fixture updates.
- test/basic/nodeClass-config.test.js: new config-shape coverage.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

simulations/scenarios/safety-dry-run-trip.js

@@ -12,18 +12,18 @@ module.exports = {
     general: { name: 'EvalDryRun', id: 'eval-dry-run', unit: 'm3/h',
       logging: { enabled: false, logLevel: 'error' } },
     functionality: { softwareType: 'pumpingStation', role: 'stationcontroller', positionVsParent: 'atEquipment' },
-    basin: { volume: 50, height: 5, inflowLevel: 3, outflowLevel: 0.2, overflowLevel: 4.5 },
+    basin: { volume: 50, height: 5, inflowLevel: 3, outflowLevel: 0.2, overflowLevel: 4.5, inletPipeDiameter: 0.4, outletPipeDiameter: 0.3 },
     hydraulics: { refHeight: 'NAP', basinBottomRef: 0, minHeightBasedOn: 'outlet' },
     control: {
       mode: 'manual',
       allowedModes: new Set(['levelbased', 'manual']),
-      levelbased: { minLevel: 0.5, startLevel: 2, maxLevel: 4 },
+      levelbased: { minLevel: 0.5, startLevel: 2, maxLevel: 4, curveType: 'linear', logCurveFactor: 9 },
     },
     safety: {
       enableDryRunProtection: true,
       dryRunThresholdPercent: 50,
-      enableOverfillProtection: false,
-      overfillThresholdPercent: 98,
+      enableHighVolumeSafety: false,
+      highVolumeSafetyThresholdPercent: 98,
       timeleftToFullOrEmptyThresholdSeconds: 0,
     },
   },