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/campaigns/route.ts

@@ -0,0 +1,41 @@
+import { auth } from "@/lib/auth";
+import { prisma } from "@/lib/prisma";
+
+export async function GET() {
+  const session = await auth();
+  if (!session) return new Response("Unauthorized", { status: 401 });
+
+  const campaigns = await prisma.campaign.findMany({
+    orderBy: { createdAt: "desc" },
+    include: {
+      _count: { select: { assets: true, agentRuns: true } },
+    },
+  });
+
+  return Response.json(campaigns);
+}
+
+export async function POST(request: Request) {
+  const session = await auth();
+  if (!session) return new Response("Unauthorized", { status: 401 });
+
+  const body = await request.json();
+  const { name, platforms, config } = body;
+
+  if (!name || !platforms) {
+    return Response.json(
+      { error: "Name and platforms are required" },
+      { status: 400 }
+    );
+  }
+
+  const campaign = await prisma.campaign.create({
+    data: {
+      name,
+      platforms: JSON.stringify(platforms),
+      config: config ? JSON.stringify(config) : null,
+    },
+  });
+
+  return Response.json(campaign, { status: 201 });
+}