feat(ssa): Complete Phase 2A frontend integration - multi-step workflow end-to-end
Phase 2A: WorkflowPlannerService, WorkflowExecutorService, Python data quality, 6 bug fixes, DescriptiveResultView, multi-step R code/Word export, MVP UI reuse. V11 UI: Gemini-style, multi-task, single-page scroll, Word export. Architecture: Block-based rendering consensus (4 block types). New R tools: chi_square, correlation, descriptive, logistic_binary, mann_whitney, t_test_paired. Docs: dev summary, block-based plan, status updates, task list v2.0. Co-authored-by: Cursor <cursoragent@cursor.com>
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@@ -29,23 +29,59 @@ load_input_data <- function(input) {
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# 调试:打印原始数据结构
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message(glue("[DataLoader] 原始数据类型: {class(raw_data)}"))
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message(glue("[DataLoader] 原始数据字段: {paste(names(raw_data), collapse=', ')}"))
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message(glue("[DataLoader] 原始数据长度: {length(raw_data)}"))
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# 安全转换:处理不同的 JSON 解析结果
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if (is.data.frame(raw_data)) {
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# 已经是 data.frame
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df <- raw_data
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} else if (is.list(raw_data)) {
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# JSON 对象 {"col1": [...], "col2": [...]} -> data.frame
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# JSON 数组可能被解析为 list 而非 vector,需要先 unlist
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df <- data.frame(
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lapply(raw_data, function(x) {
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if (is.list(x)) unlist(x) else x
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}),
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stringsAsFactors = FALSE
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)
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message("[DataLoader] 数据已是 data.frame")
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} else if (is.list(raw_data) && length(raw_data) > 0) {
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# 检查是行格式还是列格式
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first_elem <- raw_data[[1]]
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if (is.list(first_elem) && !is.null(names(first_elem))) {
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# 行格式: [{"col1": val1, "col2": val2}, {...}, ...]
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# 每个元素是一行数据
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message("[DataLoader] 检测到行格式数据 (JSON array of objects)")
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# 使用 jsonlite 的 bind_rows 功能
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df <- tryCatch({
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# 方法1:使用 do.call + rbind.data.frame
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df_list <- lapply(raw_data, function(row) {
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# 将每一行转为 data.frame
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as.data.frame(lapply(row, function(val) {
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if (is.null(val)) NA else val
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}), stringsAsFactors = FALSE)
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})
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do.call(rbind, df_list)
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}, error = function(e) {
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# 方法2:如果上面失败,尝试 jsonlite 转换
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message(glue("[DataLoader] rbind 失败,尝试 jsonlite 转换: {e$message}"))
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jsonlite::fromJSON(jsonlite::toJSON(raw_data), flatten = TRUE)
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})
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} else if (!is.null(names(raw_data))) {
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# 列格式: {"col1": [...], "col2": [...]}
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message("[DataLoader] 检测到列格式数据 (JSON object with arrays)")
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df <- data.frame(
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lapply(raw_data, function(x) {
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if (is.list(x)) unlist(x) else x
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}),
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stringsAsFactors = FALSE
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)
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} else {
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# 未知格式
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message(glue("[DataLoader] 未知数据格式,first_elem class: {class(first_elem)}"))
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stop(make_error(ERROR_CODES$E100_INTERNAL_ERROR,
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details = "无法识别的数据格式"))
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}
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} else {
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stop(make_error(ERROR_CODES$E100_INTERNAL_ERROR,
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details = paste("无法解析的数据类型:", class(raw_data))))
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details = paste("无法解析的数据类型:", class(raw_data), "或数据为空")))
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}
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message(glue("[DataLoader] 转换后: {nrow(df)} 行, {ncol(df)} 列, 列名: {paste(names(df), collapse=', ')}"))
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