Fix ManhattanPlot: dplyr summarise() multi-row error and duplicate chunk labels

[Copilot]

CI build fails rendering Omics/ManhattanPlot.qmd because newer dplyr (≥1.1.0) rejects summarise() returning multiple rows on an ungrouped data frame, and all figure chunks have labels defined in both the chunk header and #| label: pipe comments.

Changes

• summarise() → mutate() — after group_by(CHR) %>% summarise(len=max(BP)), the result is an ungrouped 22-row tibble. The subsequent call was computing a per-row offset, not aggregating — mutate() is the correct verb:

# Before (errors in dplyr ≥1.1.0)
len <- len %>% summarise(pos = cumsum(len) - len)

# After
len <- len %>% mutate(pos = cumsum(len) - len)

• Remove duplicate chunk header names — all 8 figure chunks had both a header name (e.g., ```{r fig1.1Basicmanhattan}) and a #| label: pipe comment, triggering Duplicated chunk option(s) 'label' warnings. Chunk header names removed; #| label: pipe comments retained per project convention.

Both ManhattanPlot.qmd (EN) and ManhattanPlot.zh.qmd (ZH) are updated.

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Modified files:

Omics/ManhattanPlot.qmd Omics/ManhattanPlot.zh.qmd