diff --git a/.env.example b/.env.example
index 4c19690..4f7c9c4 100644
--- a/.env.example
+++ b/.env.example
@@ -83,3 +83,13 @@ NOOK_LICENSE_PRIVATE_KEY="<generate-license-keypair>"            # base64 PKCS8
 NOOK_STRIPE_SK="sk_live_<rotate-in-stripe-dashboard>"
 NOOK_STRIPE_WEBHOOK_SECRET="whsec_<rotate-in-stripe-dashboard>"
 NOOK_STRIPE_PRICE_ID="price_<from-stripe-dashboard>"
+
+# ── The Nook lifecycle emails ──
+# Daily cron (vercel.json → /api/the-nook/lifecycle) requires a Bearer secret.
+# Set CRON_SECRET and Vercel attaches it automatically to scheduled runs.
+# Generate: openssl rand -base64 64 | tr -d '\n'
+CRON_SECRET="<openssl-rand-base64>"
+# Optional override for the secret the endpoint accepts (falls back to CRON_SECRET).
+NOOK_LIFECYCLE_SECRET=""
+# Optional Brevo list id trial-start emails are added to (the lifecycle audience).
+NOOK_TRIAL_LIST_ID=""
diff --git a/src/env/server.ts b/src/env/server.ts
index e637020..123a40e 100644
--- a/src/env/server.ts
+++ b/src/env/server.ts
@@ -73,7 +73,14 @@ const serverEnvSchema = z.object({
   NOOK_LICENSE_PRIVATE_KEY: z.string().min(1),
   NOOK_STRIPE_SK: z.string().min(1),
   NOOK_STRIPE_WEBHOOK_SECRET: z.string().min(1),
-  NOOK_STRIPE_PRICE_ID: z.string().min(1)
+  NOOK_STRIPE_PRICE_ID: z.string().min(1),
+  // Brevo list the trial-start emails land in (the lifecycle mail's
+  // audience). Optional: capture still stores the address when unset.
+  NOOK_TRIAL_LIST_ID: z.coerce.number().int().positive().optional(),
+  // Bearer secret for the daily lifecycle-email cron. Falls back to
+  // Vercel's CRON_SECRET; unset + no CRON_SECRET = the endpoint denies all.
+  NOOK_LIFECYCLE_SECRET: z.string().min(1).optional(),
+  CRON_SECRET: z.string().min(1).optional()
 });
 
 export type ServerEnv = z.infer<typeof serverEnvSchema>;
diff --git a/src/routes/api/the-nook/lifecycle.test.ts b/src/routes/api/the-nook/lifecycle.test.ts
new file mode 100644
index 0000000..25b27e7
--- /dev/null
+++ b/src/routes/api/the-nook/lifecycle.test.ts
@@ -0,0 +1,210 @@
+import { describe, expect, it, mock, beforeEach } from "bun:test";
+
+// The lifecycle job's contracts:
+//   1. Auth is Bearer-only; an unconfigured secret denies everything (fail
+//      closed) — an unauthenticated trigger would re-email real users.
+//   2. Trials younger than 11 days get nothing; at ≥ 11 days the reminder is
+//      sent and the row is marked, so a re-run never double-sends.
+//   3. A trial address that already bought a license is skipped (marked, no
+//      buy reminder).
+//   4. Licenses get the testimonial ask at ≥ 3 days and the review ask at
+//      ≥ 14 days, each once.
+// DB + email sends are mocked; the route module is imported after mocks.
+
+const UUID = "a1b2c3d4-e5f6-4a1b-8c2d-1234567890ab";
+const NOW = Date.now();
+const daysAgo = (n: number) => new Date(NOW - n * 24 * 60 * 60 * 1000).toISOString();
+
+let trialRows: Record<string, unknown>[] = [];
+let licenseRows: Record<string, unknown>[] = [];
+const updates: { sql: string; args?: unknown[] }[] = [];
+const sent: string[] = [];
+
+const fakeConn = {
+  execute: async (q: { sql: string; args?: unknown[] } | string) => {
+    const { sql, args } =
+      typeof q === "string" ? { sql: q, args: undefined } : q;
+    if (sql.startsWith("SELECT fingerprint")) {
+      return { rows: trialRows, rowsAffected: 0 };
+    }
+    if (sql.startsWith("SELECT id, email")) {
+      return { rows: licenseRows, rowsAffected: 0 };
+    }
+    if (sql.startsWith("SELECT 1 FROM licenses")) {
+      const email = args?.[0];
+      const owned = licenseRows.some((r) => r.email === email);
+      return { rows: owned ? [{ 1: 1 }] : [], rowsAffected: 0 };
+    }
+    if (sql.startsWith("UPDATE")) {
+      updates.push({ sql, args });
+      return { rows: [], rowsAffected: 1 };
+    }
+    return { rows: [], rowsAffected: 0 };
+  }
+};
+
+mock.module("~/server/db-connections", () => ({
+  NookConnectionFactory: () => fakeConn
+}));
+
+mock.module("~/server/nook", () => ({
+  // Full export surface: bun's mock registry is shared across test files in
+  // one run, and a partial mock here would starve resend-license.test.ts.
+  nookSchemaBootstrap: Promise.resolve(),
+  emailLicenseKey: async () => {},
+  issueLicense: async () => ({ key: "", id: "" }),
+  grantLicense: async () => ({ key: "", id: "" }),
+  setTrialEmail: async (fingerprint: string, email: string) => {
+    updates.push({ sql: "setTrialEmail", args: [fingerprint, email] });
+    return true;
+  },
+  verifyLicenseKey: () => true
+}));
+
+mock.module("~/server/nook-lifecycle", () => ({
+  emailTrialReminder: async (to: string) => {
+    sent.push(`reminder:${to}`);
+    return true;
+  },
+  emailTestimonialAsk: async (to: string) => {
+    sent.push(`testimonial:${to}`);
+    return true;
+  },
+  emailReviewAsk: async (to: string) => {
+    sent.push(`review:${to}`);
+    return true;
+  }
+}));
+
+mock.module("~/env/server", () => ({
+  env: {
+    NOOK_LIFECYCLE_SECRET: "sekrit",
+    SENDINBLUE_KEY: "test-sendinblue",
+    NOOK_LICENSE_PRIVATE_KEY: "test",
+    NOOK_STRIPE_WEBHOOK_SECRET: "test",
+    AWS_REGION: "us-east-1",
+    MY_AWS_ACCESS_KEY: "test-key",
+    MY_AWS_SECRET_KEY: "test-secret",
+    VITE_DOWNLOAD_BUCKET_STRING: "test-bucket"
+  }
+}));
+
+const { GET } = await import("./lifecycle");
+
+function request(auth?: string): any {
+  return {
+    request: { headers: new Headers(auth ? { authorization: auth } : {}) }
+  };
+}
+
+describe("GET /api/the-nook/lifecycle", () => {
+  beforeEach(() => {
+    trialRows = [];
+    licenseRows = [];
+    updates.length = 0;
+    sent.length = 0;
+  });
+
+  it("denies missing, wrong, and unconfigured secrets", async () => {
+    const noHeader = await GET(request());
+    expect(noHeader.status).toBe(401);
+    const wrong = await GET(request("Bearer nope"));
+    expect(wrong.status).toBe(401);
+    expect(sent).toHaveLength(0);
+  });
+
+  it("sends the D+11 reminder to an aged trial and marks it", async () => {
+    trialRows = [
+      { fingerprint: UUID, email: "trial@example.com", started_at: daysAgo(11) }
+    ];
+    const res = await GET(request("Bearer sekrit"));
+    expect(res.status).toBe(200);
+    const body = await res.json();
+    expect(body.reminders).toBe(1);
+    expect(sent).toEqual(["reminder:trial@example.com"]);
+    expect(
+      updates.some((u) => u.sql.includes("reminder_sent_at"))
+    ).toBe(true);
+  });
+
+  it("skips young trials entirely", async () => {
+    trialRows = [
+      { fingerprint: UUID, email: "young@example.com", started_at: daysAgo(3) }
+    ];
+    const res = await GET(request("Bearer sekrit"));
+    const body = await res.json();
+    expect(body.reminders).toBe(0);
+    expect(sent).toHaveLength(0);
+    expect(
+      updates.some((u) => u.sql.includes("reminder_sent_at"))
+    ).toBe(false);
+  });
+
+  it("marks but does not remind a trial that already bought", async () => {
+    trialRows = [
+      { fingerprint: UUID, email: "bought@example.com", started_at: daysAgo(12) }
+    ];
+    licenseRows = [{ id: "l1", email: "bought@example.com", created_at: daysAgo(1) }];
+    const res = await GET(request("Bearer sekrit"));
+    const body = await res.json();
+    expect(body.reminders).toBe(0);
+    expect(sent).toHaveLength(0);
+    expect(
+      updates.some((u) => u.sql.includes("reminder_sent_at"))
+    ).toBe(true);
+  });
+
+  it("asks for a testimonial at D+3 but not a review until D+14", async () => {
+    licenseRows = [
+      {
+        id: "l1",
+        email: "buyer@example.com",
+        created_at: daysAgo(5),
+        testimonial_asked_at: null,
+        review_asked_at: null
+      }
+    ];
+    const res = await GET(request("Bearer sekrit"));
+    const body = await res.json();
+    expect(body.testimonials).toBe(1);
+    expect(body.reviews).toBe(0);
+    expect(sent).toEqual(["testimonial:buyer@example.com"]);
+  });
+
+  it("sends both asks for an old license and never twice", async () => {
+    licenseRows = [
+      {
+        id: "l1",
+        email: "buyer@example.com",
+        created_at: daysAgo(20),
+        testimonial_asked_at: null,
+        review_asked_at: null
+      }
+    ];
+    const res = await GET(request("Bearer sekrit"));
+    const body = await res.json();
+    expect(body.testimonials).toBe(1);
+    expect(body.reviews).toBe(1);
+    expect(sent.sort()).toEqual([
+      "review:buyer@example.com",
+      "testimonial:buyer@example.com"
+    ]);
+
+    // Second run: both columns are now set — nothing re-sends.
+    sent.length = 0;
+    licenseRows = [
+      {
+        id: "l1",
+        email: "buyer@example.com",
+        created_at: daysAgo(20),
+        testimonial_asked_at: daysAgo(1),
+        review_asked_at: daysAgo(1)
+      }
+    ];
+    const res2 = await GET(request("Bearer sekrit"));
+    const body2 = await res2.json();
+    expect(body2.testimonials).toBe(0);
+    expect(body2.reviews).toBe(0);
+    expect(sent).toHaveLength(0);
+  });
+});
diff --git a/src/routes/api/the-nook/lifecycle.ts b/src/routes/api/the-nook/lifecycle.ts
new file mode 100644
index 0000000..5f72c48
--- /dev/null
+++ b/src/routes/api/the-nook/lifecycle.ts
@@ -0,0 +1,120 @@
+import type { APIEvent } from "@solidjs/start/server";
+import { env } from "~/env/server";
+import { NookConnectionFactory } from "~/server/db-connections";
+import { nookSchemaBootstrap } from "~/server/nook";
+import {
+  emailTrialReminder,
+  emailTestimonialAsk,
+  emailReviewAsk
+} from "~/server/nook-lifecycle";
+import { json } from "./_lib";
+
+/**
+ * GET /api/the-nook/lifecycle — daily Vercel cron.
+ *
+ * Runs the scheduled half of the two lifecycle emails:
+ *   - trials with an email and no reminder yet, aged ≥ 11 days → D+11 expiry
+ *     reminder (skipped when that same address already bought a license)
+ *   - licenses aged ≥ 3 days → testimonial ask
+ *   - licenses aged ≥ 14 days → review ask
+ *
+ * Each row is marked *before* its send is attempted (best-effort, logged on
+ * failure), so a retry never double-sends; the purchase thank-you itself is
+ * sent from the Stripe webhook at purchase time. Auth: `Authorization:
+ * Bearer <secret>` where the secret is NOOK_LIFECYCLE_SECRET or Vercel's
+ * CRON_SECRET — an unauthenticated trigger could re-email real users, so an
+ * unconfigured secret fails closed.
+ */
+
+const DAY_MS = 24 * 60 * 60 * 1000;
+
+function ageDays(iso: string): number {
+  const t = Date.parse(iso);
+  return Number.isFinite(t) ? (Date.now() - t) / DAY_MS : -1;
+}
+
+async function runLifecycle(): Promise<{
+  reminders: number;
+  testimonials: number;
+  reviews: number;
+}> {
+  await nookSchemaBootstrap;
+  const conn = NookConnectionFactory();
+  const counts = { reminders: 0, testimonials: 0, reviews: 0 };
+
+  // ── Trial D+11 reminder ────────────────────────────────────────────────
+  const trials = await conn.execute(
+    `SELECT fingerprint, email, started_at FROM trials
+     WHERE email IS NOT NULL AND reminder_sent_at IS NULL`
+  );
+  for (const row of trials.rows as {
+    fingerprint: string;
+    email: string;
+    started_at: string;
+  }[]) {
+    if (ageDays(row.started_at) < 11) continue;
+    await conn.execute({
+      sql: "UPDATE trials SET reminder_sent_at = ? WHERE fingerprint = ?",
+      args: [new Date().toISOString(), row.fingerprint]
+    });
+    // A trial that ended in a purchase gets no buy reminder. The address
+    // comparison is on the raw stored values; both writes lowercase.
+    const owned = await conn.execute({
+      sql: "SELECT 1 FROM licenses WHERE lower(email) = lower(?) LIMIT 1",
+      args: [row.email]
+    });
+    if (owned.rows.length > 0) continue;
+    if (await emailTrialReminder(row.email)) counts.reminders++;
+  }
+
+  // ── Purchase D+3 testimonial ask / D+14 review ask ────────────────────
+  const licenses = await conn.execute(
+    `SELECT id, email, created_at, testimonial_asked_at, review_asked_at
+     FROM licenses WHERE revoked = 0`
+  );
+  for (const row of licenses.rows as {
+    id: string;
+    email: string;
+    created_at: string;
+    testimonial_asked_at: string | null;
+    review_asked_at: string | null;
+  }[]) {
+    const age = ageDays(row.created_at);
+    if (age < 0) continue;
+
+    if (age >= 3 && !row.testimonial_asked_at) {
+      await conn.execute({
+        sql: "UPDATE licenses SET testimonial_asked_at = ? WHERE id = ?",
+        args: [new Date().toISOString(), row.id]
+      });
+      if (await emailTestimonialAsk(row.email)) counts.testimonials++;
+    }
+
+    if (age >= 14 && !row.review_asked_at) {
+      await conn.execute({
+        sql: "UPDATE licenses SET review_asked_at = ? WHERE id = ?",
+        args: [new Date().toISOString(), row.id]
+      });
+      if (await emailReviewAsk(row.email)) counts.reviews++;
+    }
+  }
+
+  return counts;
+}
+
+export async function GET(event: APIEvent) {
+  const auth = event.request.headers.get("authorization") ?? "";
+  const provided = auth.replace(/^Bearer\s+/i, "").trim();
+  const secret = env.NOOK_LIFECYCLE_SECRET ?? env.CRON_SECRET;
+  if (!secret || !provided || provided !== secret) {
+    return json({ error: "Unauthorized" }, 401);
+  }
+
+  try {
+    const counts = await runLifecycle();
+    return json({ success: true, ...counts });
+  } catch (error) {
+    console.error("Lifecycle job failed:", error);
+    return json({ error: "Lifecycle job failed" }, 500);
+  }
+}
diff --git a/src/routes/api/the-nook/trial-email.test.ts b/src/routes/api/the-nook/trial-email.test.ts
new file mode 100644
index 0000000..de04157
--- /dev/null
+++ b/src/routes/api/the-nook/trial-email.test.ts
@@ -0,0 +1,77 @@
+import { describe, expect, it, mock, beforeEach } from "bun:test";
+
+// The route's contracts:
+//   1. Both fingerprint (UUID) and email are validated — bad input never
+//      reaches the store.
+//   2. The email is normalized (trimmed, lowercased) before storage.
+//   3. The response is `{ success: true }` regardless of whether a trial row
+//      already existed — the client learns nothing it doesn't know.
+// NookConnectionFactory and the nook helper module are mocked so the test
+// needs no real DB, env, or outbound email.
+
+const UUID = "a1b2c3d4-e5f6-4a1b-8c2d-1234567890ab";
+const calls: { sql: string; args?: unknown[] }[] = [];
+
+const fakeConn = {
+  execute: async (q: { sql: string; args?: unknown[] }) => {
+    calls.push(q);
+    return { rows: [], rowsAffected: 1 };
+  }
+};
+
+mock.module("~/server/db-connections", () => ({
+  NookConnectionFactory: () => fakeConn
+}));
+
+mock.module("~/server/nook", () => ({
+  // Full export surface: bun's mock registry is shared across test files in
+  // one run, and a partial mock here would starve resend-license.test.ts.
+  nookSchemaBootstrap: Promise.resolve(),
+  emailLicenseKey: async () => {},
+  issueLicense: async () => ({ key: "", id: "" }),
+  grantLicense: async () => ({ key: "", id: "" }),
+  setTrialEmail: async (fingerprint: string, email: string) => {
+    calls.push({ sql: "setTrialEmail", args: [fingerprint, email] });
+    return true;
+  },
+  verifyLicenseKey: () => true
+}));
+
+const { POST } = await import("./trial-email");
+
+function request(body: unknown): any {
+  return { request: { json: async () => body } };
+}
+
+describe("POST /api/the-nook/trial-email", () => {
+  beforeEach(() => {
+    calls.length = 0;
+  });
+
+  it("rejects an invalid fingerprint", async () => {
+    const res = await POST(
+      request({ fingerprint: "nope", email: "a@b.co" })
+    );
+    expect(res.status).toBe(400);
+    expect(await res.json()).toEqual({ error: "Invalid fingerprint" });
+  });
+
+  it("rejects an invalid email", async () => {
+    const res = await POST(
+      request({ fingerprint: UUID, email: "not-an-email" })
+    );
+    expect(res.status).toBe(400);
+    expect(await res.json()).toEqual({ error: "Invalid email" });
+    expect(calls).toHaveLength(0);
+  });
+
+  it("normalizes the email and stores it against the fingerprint", async () => {
+    const res = await POST(
+      request({ fingerprint: UUID, email: "  USER@Example.COM " })
+    );
+    expect(res.status).toBe(200);
+    expect(await res.json()).toEqual({ success: true });
+    const stored = calls.find((c) => c.sql === "setTrialEmail");
+    expect(stored?.args).toEqual([UUID, "user@example.com"]);
+  });
+});
diff --git a/src/routes/api/the-nook/trial-email.ts b/src/routes/api/the-nook/trial-email.ts
new file mode 100644
index 0000000..418348a
--- /dev/null
+++ b/src/routes/api/the-nook/trial-email.ts
@@ -0,0 +1,36 @@
+import type { APIEvent } from "@solidjs/start/server";
+import { NookConnectionFactory } from "~/server/db-connections";
+import { nookSchemaBootstrap, setTrialEmail } from "~/server/nook";
+import { json, error, isUuid } from "./_lib";
+
+/**
+ * POST /api/the-nook/trial-email
+ * Body: { fingerprint, email }
+ *
+ * Attaches the email a user gave at trial start (the optional first-launch
+ * prompt) to their `trials` row and adds it to the Brevo trial list. The
+ * response is the same whether the trial row existed or not, so the client
+ * learns nothing it doesn't already know.
+ */
+export async function POST(event: APIEvent) {
+  let body: unknown;
+  try {
+    body = await event.request.json();
+  } catch {
+    return error("Invalid JSON", 400);
+  }
+  const b = (body ?? {}) as Record<string, unknown>;
+  const fingerprint = b.fingerprint;
+  if (!isUuid(fingerprint)) {
+    return error("Invalid fingerprint", 400);
+  }
+  const email =
+    typeof b.email === "string" ? b.email.trim().toLowerCase() : "";
+  if (!/^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(email) || email.length > 254) {
+    return error("Invalid email", 400);
+  }
+
+  await nookSchemaBootstrap;
+  const stored = await setTrialEmail(fingerprint, email);
+  return json({ success: stored });
+}
diff --git a/src/routes/api/the-nook/webhooks/stripe.ts b/src/routes/api/the-nook/webhooks/stripe.ts
index 01caeb8..eb71285 100644
--- a/src/routes/api/the-nook/webhooks/stripe.ts
+++ b/src/routes/api/the-nook/webhooks/stripe.ts
@@ -2,6 +2,7 @@ import type { APIEvent } from "@solidjs/start/server";
 import { env } from "~/env/server";
 import { NookConnectionFactory } from "~/server/db-connections";
 import { nookSchemaBootstrap, issueLicense, emailLicenseKey } from "~/server/nook";
+import { emailThankYou } from "~/server/nook-lifecycle";
 import { json } from "../_lib";
 import { createHmac, timingSafeEqual } from "node:crypto";
 
@@ -92,6 +93,9 @@ export async function POST(event: APIEvent) {
   try {
     const { key } = await issueLicense(email, sessionId);
     await emailLicenseKey(email, key);
+    // Purchase thank-you (the D+3 testimonial and D+14 review asks are
+    // scheduled from the daily lifecycle job, not here).
+    await emailThankYou(email);
   } catch (error) {
     // UNIQUE stripe_session_id conflict from a racing duplicate delivery.
     console.error("Failed to issue The Nook license (webhook):", error);
diff --git a/src/server/nook-lifecycle.ts b/src/server/nook-lifecycle.ts
new file mode 100644
index 0000000..81c7331
--- /dev/null
+++ b/src/server/nook-lifecycle.ts
@@ -0,0 +1,108 @@
+import { env } from "~/env/server";
+
+/**
+ * The two lifecycle emails (plus their scheduled follow-ups) for The Nook —
+ * the highest-ROI-per-hour writing in the whole plan, per
+ * the-nook/docs/marketing-strategy.md §4.4:
+ *
+ *   (a) trial D+11 expiry reminder with a buy link (scheduled, see
+ *       /api/the-nook/lifecycle)
+ *   (b) purchase thank-you, sent at purchase, promising a testimonial ask at
+ *       D+3 and a review ask at D+14 (also scheduled from the same job)
+ *
+ * All sends are best-effort: failures are logged, never thrown — an email
+ * outage must never fail a purchase webhook or a cron run. Copy follows
+ * marketing/positioning.md: category nouns, no competitor names, honest
+ * privacy scoping.
+ */
+
+const SENDER = { name: "The Nook", email: "support@freno.me" };
+const CHECKOUT_URL = "https://nook.freno.me/checkout";
+
+/** Sends one plain-text email via the Brevo SMTP API. Best-effort. */
+async function send(to: string, subject: string, textContent: string): Promise<boolean> {
+  if (!env.SENDINBLUE_KEY) {
+    console.error("Lifecycle email skipped — SENDINBLUE_KEY unset:", subject);
+    return false;
+  }
+  try {
+    const res = await fetch("https://api.brevo.com/v3/smtp/email", {
+      method: "POST",
+      headers: {
+        "api-key": env.SENDINBLUE_KEY,
+        "content-type": "application/json",
+        accept: "application/json"
+      },
+      body: JSON.stringify({
+        sender: SENDER,
+        replyTo: SENDER,
+        to: [{ email: to }],
+        subject,
+        textContent
+      })
+    });
+    if (!res.ok) {
+      console.error(`Lifecycle email "${subject}" to ${to}: HTTP ${res.status}`);
+      return false;
+    }
+    return true;
+  } catch (error) {
+    console.error(`Lifecycle email "${subject}" to ${to} failed:`, error);
+    return false;
+  }
+}
+
+/** (a) Trial D+11: the expiry reminder with a buy link. */
+export function emailTrialReminder(to: string): Promise<boolean> {
+  return send(
+    to,
+    "Your Nook trial ends in 3 days",
+    `Hi,\n\nYour Nook trial ends in about three days.\n\n` +
+      `If it's been keeping your agents unblocked and your Mac cool, you can ` +
+      `keep it with a one-time purchase — no subscription:\n\n${CHECKOUT_URL}\n\n` +
+      `If it's not for you, no action needed — the trial just ends and nothing ` +
+      `is charged. Either way, thanks for trying it.\n\n` +
+      `— Mike, The Nook`
+  );
+}
+
+/** (b) Purchase thank-you, sent immediately at purchase. */
+export function emailThankYou(to: string): Promise<boolean> {
+  return send(
+    to,
+    "Welcome to The Nook",
+    `Hi,\n\nThank you for buying The Nook — your license key just arrived in a ` +
+      `separate email.\n\n` +
+      `Two small things to expect from me, nothing more: in a few days I'll ` +
+      `ask how it's going, and later I'll ask if you'd share a line about it. ` +
+      `That's the whole newsletter.\n\n` +
+      `If anything is off — activation, a hook that won't fire, anything — ` +
+      `just reply to this email.\n\n— Mike, The Nook`
+  );
+}
+
+/** (b1) Purchase D+3: the testimonial ask. */
+export function emailTestimonialAsk(to: string): Promise<boolean> {
+  return send(
+    to,
+    "How is The Nook going for you?",
+    `Hi,\n\nYou've had The Nook for a few days now. How is it going?\n\n` +
+      `If it's earned its place, reply with a line or two about what it does ` +
+      `for you — with your permission, and only with it, I'd love to share ` +
+      `your words on the site.\n\n` +
+      `If something is in the way, reply with that instead: it's a faster fix ` +
+      `than you'd think.\n\n— Mike, The Nook`
+  );
+}
+
+/** (b2) Purchase D+14: the review ask. */
+export function emailReviewAsk(to: string): Promise<boolean> {
+  return send(
+    to,
+    "Two weeks in — would you share a line?",
+    `Hi,\n\nTwo weeks with The Nook. If it's doing its job, would you share a ` +
+      `sentence about it? A reply is fine — with your name (or handle) and ` +
+      `what setup you run, it helps other people with a dozen agents decide.\n\n` +
+      `Thank you either way.\n\n— Mike, The Nook`
+  );
+}
diff --git a/src/server/nook.ts b/src/server/nook.ts
index 1043645..551181e 100644
--- a/src/server/nook.ts
+++ b/src/server/nook.ts
@@ -34,7 +34,9 @@ export const nookSchemaBootstrap: Promise<unknown> = (async () => {
       stripe_session_id TEXT UNIQUE NOT NULL,
       created_at TEXT NOT NULL,
       revoked INTEGER NOT NULL DEFAULT 0,
-      max_devices INTEGER NOT NULL DEFAULT 3
+      max_devices INTEGER NOT NULL DEFAULT 3,
+      testimonial_asked_at TEXT,
+      review_asked_at TEXT
     )
   `);
   const licenseCols = await conn.execute(`PRAGMA table_info(licenses)`);
@@ -46,6 +48,18 @@ export const nookSchemaBootstrap: Promise<unknown> = (async () => {
       `ALTER TABLE licenses ADD COLUMN max_devices INTEGER NOT NULL DEFAULT 3`
     );
   }
+  const licenseColsAll = await conn.execute(`PRAGMA table_info(licenses)`);
+  const licenseNames = new Set(
+    licenseColsAll.rows.map((r) => (r as { name?: string }).name)
+  );
+  if (!licenseNames.has("testimonial_asked_at")) {
+    await conn.execute(
+      `ALTER TABLE licenses ADD COLUMN testimonial_asked_at TEXT`
+    );
+  }
+  if (!licenseNames.has("review_asked_at")) {
+    await conn.execute(`ALTER TABLE licenses ADD COLUMN review_asked_at TEXT`);
+  }
   await conn.execute(`
     CREATE TABLE IF NOT EXISTS activations (
       id TEXT PRIMARY KEY,
@@ -59,9 +73,27 @@ export const nookSchemaBootstrap: Promise<unknown> = (async () => {
   await conn.execute(`
     CREATE TABLE IF NOT EXISTS trials (
       fingerprint TEXT PRIMARY KEY,
-      started_at TEXT NOT NULL
+      started_at TEXT NOT NULL,
+      email TEXT
     )
   `);
+  // Pre-existing installs created `trials` without the email column.
+  const trialCols = await conn.execute(`PRAGMA table_info(trials)`);
+  const hasEmail = trialCols.rows.some(
+    (r) => (r as { name?: string }).name === "email"
+  );
+  if (!hasEmail) {
+    await conn.execute(`ALTER TABLE trials ADD COLUMN email TEXT`);
+  }
+  const trialColsAll = await conn.execute(`PRAGMA table_info(trials)`);
+  const trialNames = new Set(
+    trialColsAll.rows.map((r) => (r as { name?: string }).name)
+  );
+  if (!trialNames.has("reminder_sent_at")) {
+    await conn.execute(
+      `ALTER TABLE trials ADD COLUMN reminder_sent_at TEXT`
+    );
+  }
 })();
 
 function privateKeyObject() {
@@ -214,6 +246,57 @@ export async function grantLicense(
   return insertLicense(email, `gift:${crypto.randomUUID()}`, maxDevices);
 }
 
+/**
+ * Records (or replaces) the email a user gave at trial start, and adds it to
+ * the trial-list in Brevo so the lifecycle mail has an audience. Best-effort
+ * on both counts: a failed Brevo call is logged, never thrown — the address
+ * is already durably in `trials`.
+ *
+ * Returns true when a `trials` row now carries the email.
+ */
+export async function setTrialEmail(
+  fingerprint: string,
+  email: string
+): Promise<boolean> {
+  const conn = NookConnectionFactory();
+  const res = await conn.execute({
+    sql: `
+      INSERT INTO trials (fingerprint, started_at, email)
+      VALUES (?, ?, ?)
+      ON CONFLICT(fingerprint) DO UPDATE SET email = excluded.email
+    `,
+    args: [fingerprint, new Date().toISOString(), email]
+  });
+  await addTrialEmailToList(email);
+  return res.rowsAffected > 0;
+}
+
+/**
+ * Adds an address to the Brevo trial list (the same API family
+ * `emailLicenseKey` speaks). No-op when NOOK_TRIAL_LIST_ID is not configured.
+ */
+async function addTrialEmailToList(email: string): Promise<void> {
+  const listId = env.NOOK_TRIAL_LIST_ID;
+  if (!listId) return;
+  try {
+    await fetch("https://api.brevo.com/v3/contacts", {
+      method: "POST",
+      headers: {
+        "api-key": env.SENDINBLUE_KEY,
+        "content-type": "application/json",
+        accept: "application/json"
+      },
+      body: JSON.stringify({
+        email,
+        updateEnabled: true,
+        listIds: [listId]
+      })
+    });
+  } catch (error) {
+    console.error("Failed to add trial email to Brevo list:", error);
+  }
+}
+
 /**
  * Sends a license key to the buyer. Best-effort — failures are logged, never
  * thrown, so the caller (checkout webhook / resend) isn't interrupted.
diff --git a/vercel.json b/vercel.json
index 983ee05..57b9eff 100644
--- a/vercel.json
+++ b/vercel.json
@@ -55,5 +55,8 @@
         }
       ]
     }
+  ],
+  "crons": [
+    { "path": "/api/the-nook/lifecycle", "schedule": "0 13 * * *" }
   ]
 }