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/nextdoor.ts

@@ -0,0 +1,121 @@
+import { getSetting } from "./settings";
+
+const NEXTDOOR_API_URL = "https://ads.nextdoor.com/v1";
+
+async function getNextdoorConfig() {
+  const token = await getSetting("NEXTDOOR_API_TOKEN");
+  const advertiserId = await getSetting("NEXTDOOR_ADVERTISER_ID");
+  return { token, advertiserId };
+}
+
+async function nextdoorFetch(query: string, variables: Record<string, unknown> = {}) {
+  const { token } = await getNextdoorConfig();
+  const res = await fetch(`${NEXTDOOR_API_URL}/graphql`, {
+    method: "POST",
+    headers: {
+      Authorization: `Bearer ${token}`,
+      "Content-Type": "application/json",
+    },
+    body: JSON.stringify({ query, variables }),
+  });
+
+  if (!res.ok) {
+    const text = await res.text();
+    throw new Error(`Nextdoor API error ${res.status}: ${text}`);
+  }
+
+  const data = await res.json();
+  if (data.errors?.length) {
+    throw new Error(`Nextdoor GraphQL error: ${data.errors[0].message}`);
+  }
+
+  return data.data;
+}
+
+export async function createNextdoorCampaign(
+  name: string,
+  budget: number,
+  schedule: { startDate: string; endDate: string }
+) {
+  const mutation = `
+    mutation CreateCampaign($input: CreateCampaignInput!) {
+      createCampaign(input: $input) {
+        campaign { id name status }
+      }
+    }
+  `;
+
+  return nextdoorFetch(mutation, {
+    input: {
+      advertiserId: (await getNextdoorConfig()).advertiserId,
+      name,
+      objective: "WEBSITE_CONVERSION",
+      budget: { amount: budget, currency: "USD" },
+      schedule,
+    },
+  });
+}
+
+export async function createNextdoorAdGroup(
+  campaignId: string,
+  targeting: Record<string, unknown>
+) {
+  const mutation = `
+    mutation CreateAdGroup($input: CreateAdGroupInput!) {
+      createAdGroup(input: $input) {
+        adGroup { id name status }
+      }
+    }
+  `;
+
+  return nextdoorFetch(mutation, {
+    input: {
+      campaignId,
+      name: "Auto-generated Ad Group",
+      targeting,
+    },
+  });
+}
+
+export async function uploadNextdoorCreative(imageUrl: string) {
+  const mutation = `
+    mutation CreateCreative($input: CreateCreativeInput!) {
+      createCreative(input: $input) {
+        creative { id status }
+      }
+    }
+  `;
+
+  return nextdoorFetch(mutation, {
+    input: {
+      advertiserId: (await getNextdoorConfig()).advertiserId,
+      imageUrl,
+      type: "IMAGE",
+    },
+  });
+}
+
+export async function createNextdoorAd(
+  adGroupId: string,
+  creativeId: string,
+  copy: { headline: string; body: string; ctaText: string; destinationUrl: string }
+) {
+  const mutation = `
+    mutation CreateAd($input: CreateAdInput!) {
+      createAd(input: $input) {
+        ad { id name status }
+      }
+    }
+  `;
+
+  return nextdoorFetch(mutation, {
+    input: {
+      adGroupId,
+      creativeId,
+      headline: copy.headline,
+      body: copy.body,
+      callToAction: copy.ctaText,
+      destinationUrl: copy.destinationUrl,
+    },
+  });
+}