add rowboat app

apps/rowboat/app/projects/[projectId]/workflow/page.tsx

@@ -0,0 +1,51 @@
+import { Metadata } from "next";
+import { agentWorkflowsCollection, dataSourcesCollection, projectsCollection } from "@/app/lib/mongodb";
+import { App } from "./app";
+import { baseWorkflow } from "@/app/lib/utils";
+
+export const metadata: Metadata = {
+    title: "Workflow"
+}
+
+export default async function Page({
+    params,
+}: {
+    params: { projectId: string };
+}) {
+    let startWithWorkflowId = null;
+    const count = await agentWorkflowsCollection.countDocuments({
+        projectId: params.projectId,
+    });
+    if (count === 0) {
+        // get the next workflow number
+        const doc = await projectsCollection.findOneAndUpdate({
+            _id: params.projectId,
+        }, {
+            $inc: {
+                nextWorkflowNumber: 1,
+            },
+        }, {
+            returnDocument: 'after'
+        });
+        if (!doc) {
+            throw new Error('Project not found');
+        }
+        const nextWorkflowNumber = doc.nextWorkflowNumber;
+
+        // create the workflow
+        const workflow = {
+            ...baseWorkflow,
+            projectId: params.projectId,
+            createdAt: new Date().toISOString(),
+            lastUpdatedAt: new Date().toISOString(),
+            name: `Version ${nextWorkflowNumber}`,
+        };
+        const { insertedId } = await agentWorkflowsCollection.insertOne(workflow);
+        startWithWorkflowId = insertedId.toString();
+    }
+
+    return <App
+        projectId={params.projectId}
+        startWithWorkflowId={startWithWorkflowId}
+    />;
+}