feat: computation graph — add all missing engine variables and calculations
Added 30+ new nodes covering every engine calculation module:
- SAH: publicHolidayDays, scheduleRules separation
- Allocation: workingDays, utilizationPct intermediates
- Chargeability: bd/mdi/mo/pdr/absence ratio breakdowns
- Effort rules (new domain): scopeItems, totalFrames, expandedHours
- Experience multipliers (new domain): costMultiplier, billMultiplier, shoringRatio
- Commercial terms: pricingModel, paymentTermDays, warrantyMonths, milestones
- Spread (new domain): monthCount, weekCount, monthlySpread, weeklyPhasing
- Budget: allocCount, estVsActualGap
- Project: projectStart/End, resourceSnapshots, chapters
Co-Authored-By: claude-flow <ruv@ruv.net>
Hartmut
fd400122a4