Introduces per-company reusable NCalc2 pricing formula templates for complex
fabricated items (roof curbs, enclosures, welded frames). Templates support
two output modes — FixedRate (formula yields a dollar amount) and SurfaceAreaSqFt
(formula yields sq ft fed into the standard coating engine). Includes:
- CustomItemTemplate entity, migration (AddCustomItemTemplates), IUnitOfWork repo
- IsCustomFormulaItem / CustomItemTemplateId / FormulaFieldValuesJson flags on
QuoteItem, JobItem, CreateQuoteItemDto; mapped in all 3 JobItemAssemblyService
overloads and all existingItemsData JSON projections + pageMeta blocks
- ICustomFormulaAiService / CustomFormulaAiService: Claude-powered formula
generator (natural language + optional diagram image) and NCalc2 evaluator
- CompanySettings CRUD endpoints: GetCustomItemTemplates, Create/Update/Delete,
UploadTemplateDiagram, TemplateDiagram (blob serve), EvaluateFormula, GenerateFormulaFromAi
- Company Settings "Custom Formulas" tab + cfModal + company-settings-custom-formulas.js
- item-wizard.js: formula item type card, renderFormulaFields, wzFormulaRecalc
(live evaluate via POST), collectStep2 formula branch, buildCardHtml / emitHiddenFields
- Formula badge in Quotes/Details and Jobs/Details; AI badge gap fixed in Jobs/Details
- Help article (CustomFormulaTemplates.cshtml), Help Index card, HelpController action,
HelpKnowledgeBase entry; 225/225 unit tests passing
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
QuoteItem was missing IncludePrepCost, so the Edit GET always deserialized
it as true (DTO default). On save, prep service labor was added on top of
the catalog base price, silently bumping prices whenever any quote field
(e.g. oven cycle minutes) was changed without touching items.
Migration defaults new column to false for catalog items and true for
non-catalog items (matching the wizard's historical defaults).
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
spouliot