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[idea] Lint rules for modelling errors that hit both arms (picker XPath vs entity access, refreshInClient, uncommitted change, empty-value functions, CE2729) #169
Description
The idea: 4–5 modelling errors happened independently in both arms, so they come from the spec or the platform, not from the authoring tool. Proposed rules:
- A picker XPath that reads rows the current role cannot read under entity access.
- A page-button microflow that changes objects shown on the page, without refreshInClient.
- A change without a commit at the end of a microflow called from a timer or workflow.
- addDays or trim on a possibly empty attribute.
- Navigation with no logout item, or a home page the role cannot read (CE2729).
Add them to learned-detection-gaps.md now and file them as mxcli lint requests.
Field evidence: contrib/inbox/2026-09-29-lint-rules-recurring-modelling-errors.md (#165). Hypothesis: these rules would prevent ~6–8 of the ~75 combined defects.
Rough size: one skill, plus upstream requests.
Activity
Merge #372: learn(lint): stock-rule findings on toolkit conventions, …
MendixMau commentedon Oct 19, 2026
Status after 1.0 (v2026.10.19): only the older CE2729 entry exists. The picker XPath, refreshInClient, uncommitted change and empty-value function rules are not in the detection-gaps skill or the lint rules yet.
MendixMau commentedon Oct 20, 2026
Closing as a duplicate of the lint backlog. All five proposed rules are rows in
process/lint-backlog.md, the file that holds "the single list of lint-rule candidates": the page-button refresh rule is row 7, and Batch 7 (sourced to this issue) holds rows 51 (picker XPath vs entity access), 52 (change without commit from a timer or workflow), 53 (addDays/trim on an empty attribute, blocked on upstream expression indexing) and 54 (no logout item / CE2729). None ships as a rule yet; each rule PR will link and move its row there. The backlog rows landed in 868b3cb (#385), part of release v2026.10.19.Generated by Claude Code