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Phase 14d: Micro Trend item names connected (ISS-055 cause 1) #19

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cliu merged 3 commits from docs/phase-14d-micro-trend into main 2026-10-02 14:27:27 +10:00
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.claude/skills/graphics/tasks/trend.md
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@ -131,5 +131,8 @@ rotation, zoom. Outputs (⇨): *Hairline value[n]*, *Time range begin/end*, *Upd
`<property type="componentProperty"><name>itemName[0]</name><value>…</value></property>`,
`scaleMin[n]`, `scaleMax[n]`; elements `numberOfPens`, `realTime`, `fillWithHistory`,
`timeRange` (s, default 300), `sampleCount` (default 300)): drew on desktop and web the first
time, then stayed blank on several later opens and later drew again; after an in-page reload
sometimes only part of a pen shows (intermittent, ISS-055, open).
time, then stayed blank on several later opens (ISS-055). Cause: *Number of pens* resets all
pen sources, so fixed item names can be lost during load. **Connect** `microTrend.itemName[n]`
to the item with attribute `ItemName` instead (`<action type="actionConnectTo">`, `<direction>1`,
`<itemAttribute>ItemName`; sample `CIENG_TrendLab`): both pens then drew on every open; the
history fill still failed once in three opens (only the live part drew; ISS-055 open).