- Normalize IF/Abs/Pow/etc. to lowercase before evaluation so AI-generated
or manually typed uppercase function names no longer cause "Function not
found" errors
- Add NormalizeAndValidate() which normalizes then does a parse-only check
on save — invalid formulas are rejected with a clear error before storing
- Update AI system prompt to list all functions in lowercase and explicitly
call out case-sensitivity; add if() to the supported function list
- Add collapsible NCalc quick-reference panel in the formula editor showing
all operators, functions (lowercase), built-in variables, and an example
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
spouliot
efc4e9dadf