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>

lib/prisma.ts

@@ -0,0 +1,15 @@
+import { PrismaClient } from "./generated/prisma/client";
+import { PrismaBetterSqlite3 } from "@prisma/adapter-better-sqlite3";
+
+const globalForPrisma = globalThis as unknown as { prisma: PrismaClient };
+
+function createPrismaClient() {
+  const adapter = new PrismaBetterSqlite3({
+    url: process.env.DATABASE_URL || "file:./prisma/data/marketing.db",
+  });
+  return new PrismaClient({ adapter });
+}
+
+export const prisma = globalForPrisma.prisma || createPrismaClient();
+
+if (process.env.NODE_ENV !== "production") globalForPrisma.prisma = prisma;