Add waitlist schema for marketing (FRE-635)

- Created waitlist_signups and waitlist_events tables
- Supports email, name, source tracking, and status management
- Enables VIP supporter list for Product Hunt launch
- Migration 0002_chemical_shocker.sql generated
- Fixed brand color in product-hunt-assets-brief.md (#518ac8)

src/db/schema/waitlist.ts

@@ -0,0 +1,25 @@
+import { sqliteTable, text, integer } from "drizzle-orm/sqlite-core";
+
+export const waitlistSignups = sqliteTable("waitlist_signups", {
+  id: integer("id").primaryKey({ autoIncrement: true }),
+  email: text("email").notNull().unique(),
+  name: text("name"),
+  source: text("source").notNull().default("organic"),
+  status: text("status").notNull().default("waitlist"),
+  metadata: text("metadata"),
+  createdAt: integer("created_at", { mode: "timestamp" }).notNull().default(new Date()),
+  updatedAt: integer("updated_at", { mode: "timestamp" }).notNull().default(new Date()),
+});
+
+export const waitlistEvents = sqliteTable("waitlist_events", {
+  id: integer("id").primaryKey({ autoIncrement: true }),
+  signupId: integer("signup_id").notNull().references(() => waitlistSignups.id),
+  eventType: text("event_type").notNull(),
+  eventData: text("event_data"),
+  createdAt: integer("created_at", { mode: "timestamp" }).notNull().default(new Date()),
+});
+
+export type WaitlistSignup = typeof waitlistSignups.$inferSelect;
+export type NewWaitlistSignup = typeof waitlistSignups.$inferInsert;
+export type WaitlistEvent = typeof waitlistEvents.$inferSelect;
+export type NewWaitlistEvent = typeof waitlistEvents.$inferInsert;