Lighten Android chat realtime refreshes

src/app/api/v1/projects/[projectId]/messages/route.ts

@@ -1,6 +1,7 @@
 import { NextRequest, NextResponse } from "next/server";
 import { requireRequestSession } from "@/lib/boss-auth";
 import { appendProjectMessage, buildCollaborationGate, readState } from "@/lib/boss-data";
+import { jsonNoStore } from "@/lib/api-response";
 import {
   getThreadConversationExecutionConflict,
   queueGroupDispatchPlan,
@@ -35,6 +36,40 @@ function threadConversationFailureMessage(error?: string) {
   }
 }
 
+function buildProjectMessagesPayload(
+  state: Awaited<ReturnType<typeof readState>>,
+  projectId: string,
+) {
+  const project = state.projects.find((item) => item.id === projectId);
+  if (!project) {
+    return null;
+  }
+  return {
+    ok: true,
+    project,
+    devices: state.devices.filter((device) => project.deviceIds.includes(device.id)),
+  };
+}
+
+export async function GET(
+  request: NextRequest,
+  context: { params: Promise<{ projectId: string }> },
+) {
+  const session = await requireRequestSession(request);
+  if (!session) {
+    return jsonNoStore({ ok: false, message: "UNAUTHORIZED" }, { status: 401 });
+  }
+
+  const { projectId } = await context.params;
+  const state = await readState();
+  const payload = buildProjectMessagesPayload(state, projectId);
+  if (!payload) {
+    return jsonNoStore({ ok: false, message: "PROJECT_NOT_FOUND" }, { status: 404 });
+  }
+
+  return jsonNoStore(payload);
+}
+
 export async function POST(
   request: NextRequest,
   context: { params: Promise<{ projectId: string }> },