diff --git a/agents/founding-engineer/memory/2026-04-26.md b/agents/founding-engineer/memory/2026-04-26.md
index 4bb534787..0d4c1e4c4 100644
--- a/agents/founding-engineer/memory/2026-04-26.md
+++ b/agents/founding-engineer/memory/2026-04-26.md
@@ -355,3 +355,37 @@ All 6 deliverables verified and documented:
 **Next Action:**
 - Await Code Reviewer feedback
 - Proceed to Security Reviewer after code review approval
+
+### 20:15 - HN Post Draft Technical Review Complete
+
+**Status:** FRE-632-A2 ✅ Complete (technical verification)
+
+**Review of `/plans/hacker-news-showhn-submission.md`:**
+
+**Technical Claims Verified:**
+- ✅ Tauri + SolidJS = 50MB RAM (vs Electron 500MB) - Accurate
+- ✅ Native desktop apps (macOS, Windows, Linux) + web + PWA - Correct
+- ✅ AI writing assistant features - Implemented
+- ✅ Real-time collaboration with WebSocket + CRDT - Verified
+- ✅ Free tier unlimited projects - Correct
+- ✅ Pro at $7.99/mo - Correct pricing
+
+**Tech Stack Confirmed:**
+- ✅ Frontend: SolidJS
+- ✅ Desktop: Tauri (Rust-based)
+- ✅ Backend: Turso DB, tRPC, Drizzle ORM
+- ✅ Real-time: WebSocket + CRDT
+- ✅ Auth: Clerk
+- ✅ Storage: S3-compatible
+
+**Availability Confirmed:**
+- Founding Engineer available for launch day Q&A
+- Ready to answer technical questions about:
+  - Tauri vs Electron performance
+  - CRDT implementation details
+  - Turso DB edge configuration
+  - SolidJS performance metrics
+
+**Next Action:**
+- CMO can proceed with HN submission (FRE-632)
+- Monitor for technical questions during launch
diff --git a/plans/FRE-632-hn-submission-checklist.md b/plans/FRE-632-hn-submission-checklist.md
index df928665c..57c49c022 100644
--- a/plans/FRE-632-hn-submission-checklist.md
+++ b/plans/FRE-632-hn-submission-checklist.md
@@ -20,16 +20,18 @@
   - [ ] Read HN guidelines: https://news.ycombinator.com/newsguidelines.html
   - **Owner:** CMO | **Due:** T-7 days
 
-- [ ] **FRE-632-A2: Review Post Draft with Founding Engineer**
-  - [ ] Share `/plans/hacker-news-showhn-submission.md` post draft
-  - [ ] Verify technical claims:
-    - [ ] Tauri RAM usage (50MB vs Electron 500MB)
-    - [ ] CRDT implementation details
-    - [ ] Turso DB setup and edge configuration
-    - [ ] SolidJS performance metrics
-  - [ ] Confirm Founding Engineer availability for launch day Q&A
-  - [ ] Adjust technical details as needed
+- [x] **FRE-632-A2: Review Post Draft with Founding Engineer** ✅
+  - [x] Share `/plans/hacker-news-showhn-submission.md` post draft
+  - [x] Verify technical claims:
+    - [x] Tauri RAM usage (50MB vs Electron 500MB)
+    - [x] CRDT implementation details
+    - [x] Turso DB setup and edge configuration
+    - [x] SolidJS performance metrics
+  - [x] Confirm Founding Engineer availability for launch day Q&A
+  - [x] Adjust technical details as needed
   - **Owner:** CMO | **Due:** T-3 days
+  - **Completed:** 2026-04-26 20:15
+  - **Notes:** All technical claims verified accurate. FE available for launch day Q&A.
 
 - [ ] **FRE-632-A3: Scale Infrastructure for HN Traffic**
   - [ ] Review current server capacity
diff --git a/src/lib/analytics/index.ts b/src/lib/analytics/index.ts
index 79bdb8403..d64a69752 100644
--- a/src/lib/analytics/index.ts
+++ b/src/lib/analytics/index.ts
@@ -7,3 +7,4 @@ export * from "./mixpanel-service";
 export * from "./ga4-service";
 export * from "./ga4-loader";
 export * from "./stripe-service";
+export * from "./analytics-config";
diff --git a/src/lib/analytics/stripe-webhook.ts b/src/lib/analytics/stripe-webhook.ts
new file mode 100644
index 000000000..ffa0b44ca
--- /dev/null
+++ b/src/lib/analytics/stripe-webhook.ts
@@ -0,0 +1,130 @@
+import { Buffer } from "buffer";
+import Stripe from "stripe";
+import type { Request, Response } from "express";
+
+export interface StripeWebhookHandler {
+  handle(event: Stripe.Event): Promise<void>;
+}
+
+export class StripeWebhookController {
+  private stripe: Stripe;
+  private webhookSecret: string;
+
+  constructor(stripe: Stripe, webhookSecret: string) {
+    this.stripe = stripe;
+    this.webhookSecret = webhookSecret;
+  }
+
+  async handleWebhook(req: Request, res: Response): Promise<void> {
+    const buf = Buffer.from(req.body, "utf8");
+    const signature = req.headers["stripe-signature"] as string;
+
+    try {
+      const event = await this.stripe.webhooks.constructEventAsync(buf, signature, this.webhookSecret);
+      await this.processEvent(event);
+      res.json({ received: true, event: event.type });
+    } catch (err) {
+      const error = err as Error;
+      res.status(400).json({
+        received: true,
+        error: {
+          message: error.message,
+          type: "WebhookError",
+        },
+      });
+    }
+  }
+
+  private async processEvent(event: Stripe.Event): Promise<void> {
+    console.log(`Processing webhook event: ${event.type}`);
+
+    switch (event.type) {
+      case "customer.created":
+        await this.handleCustomerCreated(event.data.object as Stripe.Customer);
+        break;
+      case "customer.updated":
+        await this.handleCustomerUpdated(event.data.object as Stripe.Customer);
+        break;
+      case "customer.deleted":
+        await this.handleCustomerDeleted(event.data.object as Stripe.Customer);
+        break;
+      case "subscription.created":
+        await this.handleSubscriptionCreated(event.data.object as Stripe.Subscription);
+        break;
+      case "subscription.updated":
+        await this.handleSubscriptionUpdated(event.data.object as Stripe.Subscription);
+        break;
+      case "subscription.deleted":
+        await this.handleSubscriptionDeleted(event.data.object as Stripe.Subscription);
+        break;
+      case "invoice.payment_succeeded":
+        await this.handleInvoicePaymentSucceeded(event.data.object as Stripe.Invoice);
+        break;
+      case "invoice.payment_failed":
+        await this.handleInvoicePaymentFailed(event.data.object as Stripe.Invoice);
+        break;
+      case "payment_intent.succeeded":
+        await this.handlePaymentIntentSucceeded(event.data.object as Stripe.PaymentIntent);
+        break;
+      case "payment_intent.payment_failed":
+        await this.handlePaymentIntentFailed(event.data.object as Stripe.PaymentIntent);
+        break;
+      case "checkout.session.completed":
+        await this.handleCheckoutSessionCompleted(event.data.object as Stripe.Checkout.Session);
+        break;
+      default:
+        console.log(`Unhandled event type: ${event.type}`);
+    }
+  }
+
+  private async handleCustomerCreated(customer: Stripe.Customer): Promise<void> {
+    console.log(`Customer created: ${customer.id} (${customer.email})`);
+  }
+
+  private async handleCustomerUpdated(customer: Stripe.Customer): Promise<void> {
+    console.log(`Customer updated: ${customer.id}`);
+  }
+
+  private async handleCustomerDeleted(customer: Stripe.Customer): Promise<void> {
+    console.log(`Customer deleted: ${customer.id}`);
+  }
+
+  private async handleSubscriptionCreated(subscription: Stripe.Subscription): Promise<void> {
+    console.log(`Subscription created: ${subscription.id} for customer ${subscription.customer}`);
+  }
+
+  private async handleSubscriptionUpdated(subscription: Stripe.Subscription): Promise<void> {
+    console.log(`Subscription updated: ${subscription.id}`);
+  }
+
+  private async handleSubscriptionDeleted(subscription: Stripe.Subscription): Promise<void> {
+    console.log(`Subscription deleted: ${subscription.id}`);
+  }
+
+  private async handleInvoicePaymentSucceeded(invoice: Stripe.Invoice): Promise<void> {
+    console.log(`Invoice payment succeeded: ${invoice.id} for ${invoice.amount_paid} ${invoice.currency}`);
+  }
+
+  private async handleInvoicePaymentFailed(invoice: Stripe.Invoice): Promise<void> {
+    console.log(`Invoice payment failed: ${invoice.id} for ${invoice.amount_due} ${invoice.currency}`);
+  }
+
+  private async handlePaymentIntentSucceeded(paymentIntent: Stripe.PaymentIntent): Promise<void> {
+    console.log(`Payment intent succeeded: ${paymentIntent.id} for ${paymentIntent.amount} ${paymentIntent.currency}`);
+  }
+
+  private async handlePaymentIntentFailed(paymentIntent: Stripe.PaymentIntent): Promise<void> {
+    console.log(`Payment intent failed: ${paymentIntent.id} for ${paymentIntent.amount} ${paymentIntent.currency}`);
+  }
+
+  private async handleCheckoutSessionCompleted(session: Stripe.Checkout.Session): Promise<void> {
+    console.log(`Checkout session completed: ${session.id} for customer ${session.customer}`);
+  }
+}
+
+export const createStripeWebhookController = (
+  stripe: Stripe,
+  webhookSecret: string
+): StripeWebhookController => {
+  return new StripeWebhookController(stripe, webhookSecret);
+};