feat：增加分析进度接口

app/processor/summary.py

@@ -60,21 +60,45 @@ def request_summary(context: InputContext) -> JsonObject:
 
 
 def data_file_summary(item: RequestDataFile) -> JsonObject:
-    """每个文件只给表名、label、行数和列名；列概况由 describe_data 按需查看。问答节点也用它"""
+    """每个文件只给表名、label、行数和列名；列概况由 describe_data 按需查看。问答节点也用它
+
+    上传分析完成时多给一句说明和列的含义（summary、column_meanings），没有分析结果时不出现
+    """
+    insights = item.insights
+    meanings: dict[tuple[str, str], str] = {}
+    if insights is not None:
+        for column in insights.columns:
+            # 含义和列名一样没有信息量；有单位的写在后面
+            if column.label != column.name or column.unit:
+                meanings[(column.table, column.name)] = (
+                    f"{column.label}（{column.unit}）" if column.unit else column.label
+                )
+
     tables: list[JsonObject] = []
     for table in item.tables:
+        shown = table.columns[:SUMMARY_COLUMNS]
         summary: JsonObject = {
             "table": table.table,
             "label": table.label,
             "rows": table.rows,
-            "columns": [column.name for column in table.columns[:SUMMARY_COLUMNS]],
+            "columns": [column.name for column in shown],
         }
         if len(table.columns) > SUMMARY_COLUMNS:
             summary["column_count"] = len(table.columns)
+        column_meanings = {
+            column.name: meanings[(table.table, column.name)]
+            for column in shown
+            if (table.table, column.name) in meanings
+        }
+        if column_meanings:
+            summary["column_meanings"] = column_meanings
         tables.append(summary)
-    return {
+    result: JsonObject = {
         "file_id": item.file_id,
         "name": item.name,
         "attached_this_turn": item.attached_this_turn,
         "tables": tables,
     }
+    if insights is not None and insights.summary:
+        result["summary"] = insights.summary
+    return result