feat(platform): checkpoint current implementation state

packages/api/src/router/report-query-engine.ts

@@ -15,6 +15,7 @@ import {
   validateReportInput,
 } from "./report-query-config.js";
 import { COLUMN_MAP } from "./report-columns.js";
+import { buildResourceMonthReportExplainability } from "./report-explainability.js";
 import { buildReportGroups, pickColumns, sortInMemoryRows } from "./report-query-utils.js";
 import { executeResourceMonthReport } from "./report-resource-month-query.js";
 
@@ -65,7 +66,14 @@ export const reportQueryProcedures = {
         csvLines.push(outputColumns.map((column) => csvEscape(row[column])).join(","));
       });
 
-      return { csv: csvLines.join("\n"), rowCount: result.rows.length };
+      return {
+        csv: csvLines.join("\n"),
+        rowCount: result.rows.length,
+        rows: result.rows,
+        columns: result.columns,
+        groups: result.groups,
+        ...(result.explainability ? { explainability: result.explainability } : {}),
+      };
     }),
 };
 
@@ -76,7 +84,11 @@ async function executeReportQuery(
   validateReportInput(input);
 
   if (input.entity === "resource_month") {
-    return executeResourceMonthReport(db, input);
+    const result = await executeResourceMonthReport(db, input);
+    return {
+      ...result,
+      explainability: buildResourceMonthReportExplainability(input.columns, input.periodMonth),
+    };
   }
 
   const { entity, columns, filters, sortBy, sortDir, limit, offset } = input;