lots of changes

convex/analysisJobs.ts

@@ -126,3 +126,29 @@ export const listByProject = query({
       .collect();
   },
 });
+
+export const getLatestByDataSource = query({
+  args: {
+    dataSourceId: v.id("dataSources"),
+  },
+  handler: async (ctx, args) => {
+    const userId = await getAuthUserId(ctx);
+    if (!userId) return null;
+
+    const dataSource = await ctx.db.get(args.dataSourceId);
+    if (!dataSource) return null;
+
+    const project = await ctx.db.get(dataSource.projectId);
+    if (!project || project.userId !== userId) return null;
+
+    const jobs = await ctx.db
+      .query("analysisJobs")
+      .withIndex("by_dataSource_createdAt", (q) =>
+        q.eq("dataSourceId", args.dataSourceId)
+      )
+      .order("desc")
+      .take(1);
+
+    return jobs[0] ?? null;
+  },
+});