feat: crypto payment system with HD wallets, Freedom.st integration, and checkout UI

apps/web/src/routes/dashboard.ts

@@ -198,7 +198,7 @@ export const dashboard = new Elysia()
     const keyId = resolved?.keyId ?? null;
     if (!accountId) return redirect("/dashboard");
 
-    const [acc] = await sql`SELECT id, email_hash, plan, created_at FROM accounts WHERE id = ${accountId}`;
+    const [acc] = await sql`SELECT id, email_hash, plan, plan_expires_at, created_at FROM accounts WHERE id = ${accountId}`;
     const isSubKey = !!keyId;
     const apiKeys = isSubKey ? [] : await sql`SELECT id, key, label, created_at, last_used_at FROM api_keys WHERE account_id = ${accountId} ORDER BY created_at DESC`;
     const loginKey = isSubKey ? null : (cookie?.pingql_key?.value ?? null);
@@ -207,6 +207,15 @@ export const dashboard = new Elysia()
     return html("settings", { nav: "settings", account: acc, apiKeys, accountId, loginKey, isSubKey, monitorCount });
   })
 
+  // Checkout — upgrade plan
+  .get("/dashboard/checkout", async ({ cookie, headers }) => {
+    const resolved = await getAccountId(cookie, headers);
+    if (!resolved?.accountId) return redirect("/dashboard");
+    const [acc] = await sql`SELECT plan, plan_expires_at FROM accounts WHERE id = ${resolved.accountId}`;
+    if (acc.plan === "lifetime") return redirect("/dashboard/settings");
+    return html("checkout", { nav: "settings", account: acc, payApi: process.env.PAY_API || "https://pay.pingql.com" });
+  })
+
   // New monitor
   .get("/dashboard/monitors/new", async ({ cookie, headers }) => {
     const resolved = await getAccountId(cookie, headers);