chore: add AI-first discovery API and beta flow parity

apps/web/src/app/api/open-tasks/route.ts

@@ -0,0 +1,68 @@
+import { NextResponse } from "next/server";
+import { prisma } from "@/lib/prisma";
+import { TaskStatus } from "@agent-bounty/contracts";
+
+export const dynamic = "force-dynamic";
+
+const getPayoutMode = (task: {
+  reward_amount: number;
+  stripe_checkout_session_id: string | null;
+  stripe_payment_intent_id: string | null;
+}) => {
+  if (task.stripe_checkout_session_id === "promo_free_bounty" && task.stripe_payment_intent_id) {
+    return "BETA_ZERO_FRICTION";
+  }
+  if (task.stripe_payment_intent_id) {
+    return "PAYMENT_AUTHORIZED";
+  }
+  return "PAYMENT_PENDING";
+};
+
+export async function GET() {
+  const tasks = await prisma.task.findMany({
+    where: { status: TaskStatus.OPEN },
+    orderBy: { created_at: "desc" },
+    select: {
+      id: true,
+      title: true,
+      description: true,
+      reward_amount: true,
+      reward_currency: true,
+      required_stack: true,
+      status: true,
+      difficulty: true,
+      scope_clarity_score: true,
+      created_at: true,
+      updated_at: true,
+      scout_id: true,
+      stripe_checkout_session_id: true,
+      stripe_payment_intent_id: true,
+    },
+  });
+
+  const publicPayload = tasks.map((task) => ({
+    task_id: task.id,
+    title: task.title,
+    status: task.status,
+    difficulty: task.difficulty,
+    reward_amount_cents: task.reward_amount,
+    reward_display: `$${(task.reward_amount / 100).toFixed(2)} ${task.reward_currency}`,
+    required_stack: task.required_stack,
+    scope_clarity_score: task.scope_clarity_score,
+    created_at: task.created_at.toISOString(),
+    updated_at: task.updated_at.toISOString(),
+    source: task.scout_id ? "scout" : "human",
+    payout_mode: getPayoutMode(task),
+    task_url: `https://agent.wooo.work/tasks/${task.id}`,
+  }));
+
+  return NextResponse.json({
+    platform: "VibeWork",
+    version: "v1",
+    discovery_mode: "ai-first",
+    beta_program: "VibeWork Beta Zero Friction + 0% Platform Fee for promoted tasks",
+    tasks: publicPayload,
+    total_open: publicPayload.length,
+    last_refreshed_at: new Date().toISOString(),
+  });
+}