feat: complete marketing command center with pipeline, UI, and asset generation

- Dashboard with campaign management, asset gallery, and publishing queue
- 7-agent pipeline: trend scout, research, scripts, ad creative, video, copy, distribution
- Campaign form with screenshot upload, goal picker, platform selection
- Campaign detail view with Details/Pipeline/Assets/Chat tabs
- Two-set image generation: Gemini AI (NanoBanana MCP) + Canvas Design posters
- Remotion video rendering with phone.png frame and real screenshot alignment
- honeyDue branding: blue #0079FF, orange #FF9400, Inter font, warm off-white
- Asset cards with source badges (Gemini/Canvas/Remotion/Playwright)
- Markdown/JSON render endpoint for viewing pipeline outputs as HTML
- Settings page with Tavily, Gemini, Postiz, Nextdoor integration management
- Claude Chat for campaign feedback loop with streaming SSE
- Postiz publishing modal with scheduling
- Auth with NextAuth credentials + JWT sessions
- SQLite via Prisma with better-sqlite3 adapter

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

app/api/assets/route.ts

@@ -0,0 +1,34 @@
+import { auth } from "@/lib/auth";
+import { prisma } from "@/lib/prisma";
+
+export async function GET(request: Request) {
+  const session = await auth();
+  if (!session) return new Response("Unauthorized", { status: 401 });
+
+  const { searchParams } = new URL(request.url);
+  const campaignId = searchParams.get("campaignId");
+  const type = searchParams.get("type");
+  const platform = searchParams.get("platform");
+  const status = searchParams.get("status");
+  const search = searchParams.get("search");
+
+  const where: Record<string, unknown> = {};
+  if (campaignId) where.campaignId = campaignId;
+  if (type && type !== "all") where.type = type;
+  if (platform && platform !== "all") where.platform = platform;
+  if (status && status !== "all") where.status = status;
+  if (search) {
+    where.OR = [
+      { fileName: { contains: search } },
+      { metadata: { contains: search } },
+    ];
+  }
+
+  const assets = await prisma.asset.findMany({
+    where,
+    orderBy: { createdAt: "desc" },
+    include: { campaign: { select: { name: true } } },
+  });
+
+  return Response.json(assets);
+}