diff --git a/app/assets/stylesheets/_jobs.scss b/app/assets/stylesheets/_jobs.scss
index 1e83a6bcc..de5d235e6 100644
--- a/app/assets/stylesheets/_jobs.scss
+++ b/app/assets/stylesheets/_jobs.scss
@@ -318,3 +318,139 @@
     line-height: 1;
   }
 }
+
+// Crossing a job off: flowers blooming out of the tick box, a row of them
+// growing along the bottom of the page for a streak, and a sticky note with an
+// Undo toast in the corner. They sit outside the notepad, on the page.
+.notepad-flower {
+  position: fixed;
+  z-index: 1080;
+  margin: -12px 0 0 -12px;
+  pointer-events: none;
+  animation: notepad-bloom 1.4s ease-out forwards;
+}
+
+@keyframes notepad-bloom {
+  0% {
+    opacity: 0;
+    transform: translate(0, 0) scale(0.2) rotate(0);
+  }
+
+  15% {
+    opacity: 1;
+  }
+
+  70% {
+    opacity: 1;
+  }
+
+  100% {
+    opacity: 0;
+    transform: translate(var(--dx), var(--dy)) scale(1) rotate(var(--rot));
+  }
+}
+
+// A stem with a flower on top, growing up from the bottom edge.
+.notepad-sprout {
+  position: fixed;
+  z-index: 1079;
+  bottom: 0;
+  width: 3px;
+  height: var(--height);
+  background: #57803c;
+  border-radius: 2px 2px 0 0;
+  pointer-events: none;
+  transform-origin: bottom;
+  animation: notepad-sprout 0.9s ease-out backwards;
+
+  > span {
+    position: absolute;
+    top: -15px;
+    left: -13.5px;
+  }
+}
+
+@keyframes notepad-sprout {
+  from {
+    transform: scaleY(0);
+  }
+
+  to {
+    transform: scaleY(1);
+  }
+}
+
+#notepad-celebration {
+  position: fixed;
+  z-index: 1080;
+  left: 18px;
+  bottom: 18px;
+  display: flex;
+  flex-direction: column;
+  align-items: flex-start;
+  gap: 12px;
+  max-width: calc(100vw - 36px);
+}
+
+.notepad-celebration-note {
+  position: relative;
+  min-width: 300px;
+  padding: 14px 20px 12px;
+  background: #fff3a8;
+  box-shadow: 0 6px 10px rgba(0, 0, 0, 0.2);
+  color: #3b3a36;
+  transform: rotate(-2deg);
+
+  .tape {
+    position: absolute;
+    top: -12px;
+    left: 50%;
+    width: 84px;
+    height: 26px;
+    margin-left: -42px;
+    background: rgba(255, 165, 0, 0.45);
+    transform: rotate(-3deg);
+  }
+}
+
+.notepad-celebration-lead {
+  color: #3f5e2b;
+  font-size: 1.25rem;
+  font-weight: 600;
+  line-height: 1.2;
+}
+
+.notepad-celebration-sub {
+  color: #6b5a00;
+  font-size: 0.9rem;
+  font-weight: 500;
+}
+
+.notepad-toast {
+  display: flex;
+  align-items: center;
+  gap: 14px;
+  min-height: 48px;
+  padding: 6px 8px 6px 16px;
+  background: $brown;
+  border-radius: $card-radius;
+  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.3);
+  color: $white;
+
+  button {
+    min-width: 44px;
+    min-height: 44px;
+    padding: 0 10px;
+    border: 0;
+    background: transparent;
+    color: $orange;
+    font-weight: 700;
+  }
+}
+
+@media (prefers-reduced-motion: reduce) {
+  .notepad-flower,
+  .notepad-sprout {
+    display: none;
+  }
+}
diff --git a/app/controllers/jobs_controller.rb b/app/controllers/jobs_controller.rb
index a5b818359..98d190e06 100644
--- a/app/controllers/jobs_controller.rb
+++ b/app/controllers/jobs_controller.rb
@@ -77,6 +77,7 @@ class JobsController < DataController
   def render_notepad(status)
     @owner = current_member
     load_notepad
+    response.set_header('X-Jobs-Done-This-Week', current_member.jobs.finished_this_week.count.to_s)
     render partial: 'jobs/notepad_groups', locals: { groups: @job_groups }, status:
   end
 
diff --git a/app/helpers/jobs_helper.rb b/app/helpers/jobs_helper.rb
index f85a302b9..48cb7be17 100644
--- a/app/helpers/jobs_helper.rb
+++ b/app/helpers/jobs_helper.rb
@@ -17,6 +17,21 @@ module JobsHelper
     end
   end
 
+  # What the notepad's script says when a job is crossed off. The count is filled
+  # in by the script, which knows it only once the server has answered.
+  def job_celebrations
+    levels = %w(one two three many).index_with do |level|
+      { lead: t("jobs.celebrate.#{level}.lead"), note: t("jobs.celebrate.#{level}.note") }
+    end
+
+    # The name and count are left as tokens for the script to fill in.
+    name = '%{name}' # rubocop:disable Style/FormatStringToken
+    count = '%{count}' # rubocop:disable Style/FormatStringToken
+
+    { levels:, crossed_off: t('jobs.celebrate.crossed_off', name:), undo: t('jobs.celebrate.undo'),
+      done: { one: t('jobs.celebrate.done.one'), other: t('jobs.celebrate.done.other', count:) } }
+  end
+
   def job_overdue?(job, today = Time.zone.today)
     job.due_date.present? && job.due_date < today && !job.finished
   end
diff --git a/app/javascript/site/job_celebration.js b/app/javascript/site/job_celebration.js
new file mode 100644
index 000000000..e531d98c9
--- /dev/null
+++ b/app/javascript/site/job_celebration.js
@@ -0,0 +1,148 @@
+// The fuss made when a job is crossed off: flowers blooming out of the tick box,
+// and the sticky note and Undo toast. A streak of jobs gets more flowers, a
+// bigger message, and from three in a row a row of flowers growing along the
+// bottom of the page. See job_streak.js.
+
+import {flowerCount, levelFor, sproutCount} from './job_streak';
+
+const PETALS = ['#ffa500', '#e4a0a0', '#fff3a8', '#c9a0dc', '#ff8a65', '#ffffff'];
+const SHOW_FOR_MS = 7000;
+
+let timer = null;
+
+const reducedMotion = function () {
+  return window.matchMedia && window.matchMedia('(prefers-reduced-motion: reduce)').matches;
+};
+
+const fill = function (template, values) {
+  return template.replace(/%\{(\w+)\}/g, function (_, key) { return values[key]; });
+};
+
+// A flower: five petals round a centre. Only our own colours go in the markup.
+const flower = function (petals, size) {
+  const el = document.createElement('span');
+  el.setAttribute('aria-hidden', 'true');
+  el.style.width = size + 'px';
+  el.style.height = size + 'px';
+  el.innerHTML = '<svg viewBox="-10 -10 20 20" width="100%" height="100%"><g fill="' + petals +
+    '" stroke="#413f3b" stroke-opacity=".25" stroke-width=".4">' +
+    [0, 72, 144, 216, 288].map(function (angle) {
+      return '<circle cx="0" cy="-5.2" r="3.9" transform="rotate(' + angle + ')"/>';
+    }).join('') +
+    '</g><circle r="2.7" fill="#c9a800"/></svg>';
+  return el;
+};
+
+const pick = function (list) {
+  return list[Math.floor(Math.random() * list.length)];
+};
+
+// Flowers blooming out of the tick box, drifting up and out as they fade.
+const bloom = function (origin, streak) {
+  if (reducedMotion()) return;
+
+  const spread = 100 + Math.min(streak, 6) * 30;
+  for (let i = 0; i < flowerCount(streak); i++) {
+    const el = flower(pick(PETALS), 18 + Math.random() * 18);
+    el.className = 'notepad-flower';
+    el.style.left = origin.x + 'px';
+    el.style.top = origin.y + 'px';
+    el.style.setProperty('--dx', (Math.random() * 2 - 1) * spread + 'px');
+    el.style.setProperty('--dy', -(50 + Math.random() * spread) + 'px');
+    el.style.setProperty('--rot', (Math.random() * 2 - 1) * 200 + 'deg');
+    el.style.animationDelay = Math.random() * 0.25 + 's';
+    el.addEventListener('animationend', function () { el.remove(); });
+    document.body.appendChild(el);
+  }
+};
+
+// Flowers growing up from the bottom of the page, one more for each job in a
+// row. They stay until the note goes.
+const grow = function (streak) {
+  document.querySelectorAll('.notepad-sprout').forEach(function (el) { el.remove(); });
+  if (reducedMotion()) return;
+
+  for (let i = 0; i < sproutCount(streak); i++) {
+    const sprout = document.createElement('span');
+    sprout.className = 'notepad-sprout';
+    sprout.setAttribute('aria-hidden', 'true');
+    sprout.style.left = 4 + Math.random() * 92 + '%';
+    sprout.style.setProperty('--height', 50 + Math.random() * 90 + 'px');
+    sprout.style.animationDelay = i * 0.08 + 's';
+    sprout.appendChild(flower(pick(PETALS), 30));
+    document.body.appendChild(sprout);
+  }
+};
+
+// The note and toast, in a live region so they are read out as well as seen.
+const panel = function () {
+  let el = document.getElementById('notepad-celebration');
+  if (el) return el;
+
+  el = document.createElement('div');
+  el.id = 'notepad-celebration';
+  el.setAttribute('role', 'status');
+  el.setAttribute('aria-live', 'polite');
+  document.body.appendChild(el);
+  return el;
+};
+
+const sticky = function (level, done) {
+  const note = document.createElement('div');
+  note.className = 'notepad-celebration-note';
+
+  const tape = document.createElement('span');
+  tape.className = 'tape';
+  note.appendChild(tape);
+
+  const lead = document.createElement('div');
+  lead.className = 'notepad-celebration-lead';
+  lead.textContent = level.lead + ' ' + done;
+  note.appendChild(lead);
+
+  const sub = document.createElement('div');
+  sub.className = 'notepad-celebration-sub';
+  sub.textContent = level.note;
+  note.appendChild(sub);
+  return note;
+};
+
+const toast = function (text, undoText, onUndo) {
+  const el = document.createElement('div');
+  el.className = 'notepad-toast';
+  el.appendChild(document.createTextNode(text));
+
+  const undo = document.createElement('button');
+  undo.type = 'button';
+  undo.textContent = undoText;
+  undo.addEventListener('click', function () {
+    hide();
+    onUndo();
+  });
+  el.appendChild(undo);
+  return el;
+};
+
+export function hide() {
+  clearTimeout(timer);
+  const el = document.getElementById('notepad-celebration');
+  if (el) el.innerHTML = '';
+  document.querySelectorAll('.notepad-sprout').forEach(function (sprout) { sprout.remove(); });
+}
+
+// words: the strings from the page. name: the job. done: how many are done this
+// week. streak: how many in a row. origin: where the tick box is. onUndo: puts
+// the job back.
+export function celebrate({words, name, done, streak, origin, onUndo}) {
+  bloom(origin, streak);
+  grow(streak);
+
+  const el = panel();
+  el.innerHTML = '';
+  const count = fill(Number(done) === 1 ? words.done.one : words.done.other, {count: done});
+  el.appendChild(sticky(words.levels[levelFor(streak)], count));
+  el.appendChild(toast(fill(words.crossed_off, {name: name}), words.undo, onUndo));
+
+  clearTimeout(timer);
+  timer = setTimeout(hide, SHOW_FOR_MS);
+}
diff --git a/app/javascript/site/job_notepad.js b/app/javascript/site/job_notepad.js
index c6899b9b0..de76fa728 100644
--- a/app/javascript/site/job_notepad.js
+++ b/app/javascript/site/job_notepad.js
@@ -3,6 +3,9 @@
 // the notepad's groups after each change. If anything goes wrong the page is
 // loaded the ordinary way, so nothing is lost.
 
+import {celebrate, hide} from './job_celebration';
+import {nextStreak, undoStreak} from './job_streak';
+
 document.addEventListener('DOMContentLoaded', function () {
   const form = document.querySelector('.notepad-add');
   const groups = document.getElementById('notepad-groups');
@@ -12,7 +15,8 @@ document.addEventListener('DOMContentLoaded', function () {
   const token = document.querySelector('meta[name="csrf-token"]');
   const kinds = JSON.parse(form.dataset.kinds);
 
-  // Sends a change to the server and shows the groups it sends back.
+  // Sends a change to the server and shows the groups it sends back. Resolves
+  // with how many jobs are done this week.
   const send = function (url, body) {
     return fetch(url, {
       method: 'POST',
@@ -25,13 +29,63 @@ document.addEventListener('DOMContentLoaded', function () {
     })
       .then(function (response) {
         if (!response.ok) throw new Error(response.status);
-        return response.text();
-      })
-      .then(function (html) {
-        groups.innerHTML = html;
+        const done = response.headers.get('X-Jobs-Done-This-Week');
+        return response.text().then(function (html) {
+          groups.innerHTML = html;
+          return Number(done);
+        });
       });
   };
 
+  // ---- Crossing a job off, or putting it back
+
+  const words = JSON.parse(groups.dataset.celebrations);
+  let streak = 0;
+  let lastAt = null;
+
+  const setFinished = function (url, finished) {
+    const body = new FormData();
+    body.append('_method', 'patch');
+    body.append('job[finished]', finished ? '1' : '0');
+    return send(url, body);
+  };
+
+  groups.addEventListener('submit', function (event) {
+    const tick = event.target.closest('.notepad-tick');
+    if (!tick) return;
+    event.preventDefault();
+
+    const finishing = tick.querySelector('input[name="job[finished]"]').value === '1';
+    const name = tick.closest('.notepad-job').querySelector('.notepad-name').textContent;
+    const box = tick.getBoundingClientRect();
+    const url = tick.action;
+
+    send(url, new FormData(tick))
+      .then(function (done) {
+        if (!finishing) {
+          streak = undoStreak(streak);
+          return hide();
+        }
+
+        streak = nextStreak(streak, lastAt, Date.now());
+        lastAt = Date.now();
+        celebrate({
+          words: words,
+          name: name,
+          done: done,
+          streak: streak,
+          origin: {x: box.left + box.width / 2, y: box.top + box.height / 2},
+          onUndo: function () {
+            streak = undoStreak(streak);
+            setFinished(url, false).catch(function () { window.location.reload(); });
+          },
+        });
+      })
+      .catch(function () {
+        tick.submit();
+      });
+  });
+
   // ---- Adding a job
 
   const link = document.getElementById('notepad-link');
diff --git a/app/javascript/site/job_streak.js b/app/javascript/site/job_streak.js
new file mode 100644
index 000000000..057353f40
--- /dev/null
+++ b/app/javascript/site/job_streak.js
@@ -0,0 +1,37 @@
+// How jobs crossed off one after another are counted, and how much fuss each
+// one gets. Kept apart from the page so it can be tested.
+
+// Jobs crossed off within this long of the last one are in a row.
+export const STREAK_WINDOW_MS = 90 * 1000;
+
+// The streak after another job is crossed off: one more if it follows closely on
+// the last, otherwise a new streak.
+export function nextStreak(streak, lastAt, now) {
+  if (streak > 0 && lastAt !== null && now - lastAt <= STREAK_WINDOW_MS) return streak + 1;
+  return 1;
+}
+
+// The streak after a job is put back, which takes it off the count.
+export function undoStreak(streak) {
+  return Math.max(0, streak - 1);
+}
+
+// Which message a streak gets: the plain one, then bigger ones.
+export function levelFor(streak) {
+  if (streak >= 5) return 'many';
+  if (streak >= 3) return 'three';
+  if (streak === 2) return 'two';
+  return 'one';
+}
+
+// How many flowers to throw from the tick box: a few, then more with each job in
+// a row.
+export function flowerCount(streak) {
+  return Math.min(6 + (Math.max(streak, 1) - 1) * 5, 40);
+}
+
+// How many flowers to grow along the bottom of the page: none until three jobs
+// in a row, then one more with each.
+export function sproutCount(streak) {
+  return streak >= 3 ? Math.min(streak - 2, 12) : 0;
+}
diff --git a/app/javascript/site/job_streak.test.js b/app/javascript/site/job_streak.test.js
new file mode 100644
index 000000000..99ed007be
--- /dev/null
+++ b/app/javascript/site/job_streak.test.js
@@ -0,0 +1,63 @@
+import {describe, expect, it} from 'vitest';
+
+import {flowerCount, levelFor, nextStreak, sproutCount, STREAK_WINDOW_MS, undoStreak} from './job_streak';
+
+describe('nextStreak', () => {
+  it('starts a streak with the first job', () => {
+    expect(nextStreak(0, null, 1000)).toBe(1);
+  });
+
+  it('adds a job that follows closely on the last', () => {
+    expect(nextStreak(2, 1000, 1000 + STREAK_WINDOW_MS)).toBe(3);
+  });
+
+  it('starts again after a gap', () => {
+    expect(nextStreak(4, 1000, 1001 + STREAK_WINDOW_MS)).toBe(1);
+  });
+});
+
+describe('undoStreak', () => {
+  it('takes one off', () => {
+    expect(undoStreak(3)).toBe(2);
+  });
+
+  it('stops at none', () => {
+    expect(undoStreak(0)).toBe(0);
+  });
+});
+
+describe('levelFor', () => {
+  it.each([[1, 'one'], [2, 'two'], [3, 'three'], [4, 'three'], [5, 'many'], [12, 'many']])(
+    'gives a streak of %i the %s message', (streak, level) => {
+      expect(levelFor(streak)).toBe(level);
+    },
+  );
+});
+
+describe('flowerCount', () => {
+  it('throws more flowers with each job in a row', () => {
+    expect(flowerCount(3)).toBeGreaterThan(flowerCount(2));
+  });
+
+  it('stops at a limit', () => {
+    expect(flowerCount(100)).toBe(40);
+  });
+});
+
+describe('sproutCount', () => {
+  it('grows nothing for the first two jobs', () => {
+    expect(sproutCount(2)).toBe(0);
+  });
+
+  it('grows a flower at three in a row', () => {
+    expect(sproutCount(3)).toBe(1);
+  });
+
+  it('grows one more with each job', () => {
+    expect(sproutCount(6)).toBe(4);
+  });
+
+  it('stops at a limit', () => {
+    expect(sproutCount(100)).toBe(12);
+  });
+});
diff --git a/app/models/job.rb b/app/models/job.rb
index ca05362e9..5e33c2379 100644
--- a/app/models/job.rb
+++ b/app/models/job.rb
@@ -16,9 +16,13 @@ class Job < ApplicationRecord
   validates :owner, presence: true
 
   validates :slug, uniqueness: true
+  # The add form sends these empty when the job is not linked to anything.
+  normalizes :jobbable_type, with: ->(type) { type.presence }
   validates :jobbable_type, inclusion: { in: JOBBABLE_TYPES }, allow_nil: true
   validate :jobbable_is_the_owners, if: -> { jobbable_id_changed? || jobbable_type_changed? }
 
+  before_save :stamp_finished_at, if: :finished_changed?
+
   delegate :location, :latitude, :longitude, to: :owner
   delegate :login_name, :slug, :location, to: :owner, prefix: true
   delegate :name, to: :garden, prefix: true, allow_nil: true
@@ -32,6 +36,7 @@ class Job < ApplicationRecord
   end
 
   scope :active, -> { where(finished: [false, nil]) }
+  scope :finished_this_week, -> { where(finished: true, finished_at: Time.zone.now.beginning_of_week..) }
 
   # The planting a job is about, if it is about one. The form, Copy and the API
   # speak of plantings; the link itself is the jobbable.
@@ -58,6 +63,10 @@ class Job < ApplicationRecord
 
   private
 
+  def stamp_finished_at
+    self.finished_at = (Time.zone.now if finished)
+  end
+
   # Plantings and seeds are a member's own. A job can't be about someone else's.
   def jobbable_is_the_owners
     return unless JOBBABLE_TYPES.include?(jobbable_type) && jobbable.respond_to?(:owner_id)
diff --git a/app/views/jobs/_notepad.html.haml b/app/views/jobs/_notepad.html.haml
index e3274bedb..959879bff 100644
--- a/app/views/jobs/_notepad.html.haml
+++ b/app/views/jobs/_notepad.html.haml
@@ -16,4 +16,4 @@
     %button.notepad-link-remove{ type: 'button', 'aria-label': t('jobs.pad.remove_link') } ×
   %p.notepad-note= t('jobs.pad.public_note') + ' ' + t('jobs.pad.link_hint')
 
-  #notepad-groups= render 'jobs/notepad_groups', groups:
+  #notepad-groups{ data: { celebrations: job_celebrations.to_json } }= render 'jobs/notepad_groups', groups:
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 5a8e5361a..29ac8c36d 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -646,6 +646,24 @@ en:
       unknown: Unknown
   jobs:
     plan_something: Plan something
+    celebrate:
+      crossed_off: Crossed off "%{name}"
+      undo: Undo
+      done:
+        one: 1 job done this week.
+        other: "%{count} jobs done this week."
+      one:
+        lead: Nice one!
+        note: The snail is impressed, and slightly jealous.
+      two:
+        lead: Two in a row!
+        note: The snail is picking up speed.
+      three:
+        lead: Hat-trick!
+        note: The snail has stopped to watch.
+      many:
+        lead: On a roll!
+        note: The snail has called the other snails.
     due:
       last: last %{day}
     suggestions:
diff --git a/db/migrate/20261022040000_add_finished_at_to_jobs.rb b/db/migrate/20261022040000_add_finished_at_to_jobs.rb
new file mode 100644
index 000000000..7ee350e3c
--- /dev/null
+++ b/db/migrate/20261022040000_add_finished_at_to_jobs.rb
@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+# When a job was crossed off, so "jobs done this week" can be counted. Jobs
+# already finished are taken to have been finished when they last changed.
+class AddFinishedAtToJobs < ActiveRecord::Migration[8.1]
+  def up
+    add_column :jobs, :finished_at, :datetime
+    execute 'UPDATE jobs SET finished_at = updated_at WHERE finished = TRUE'
+  end
+
+  def down
+    remove_column :jobs, :finished_at
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 69ac22e38..c05cb32c8 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.1].define(version: 2026_10_22_030000) do
+ActiveRecord::Schema[8.1].define(version: 2026_10_22_040000) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_catalog.plpgsql"
   enable_extension "pg_trgm"
@@ -682,6 +682,7 @@ ActiveRecord::Schema[8.1].define(version: 2026_10_22_030000) do
     t.string "description"
     t.date "due_date"
     t.boolean "finished"
+    t.datetime "finished_at"
     t.bigint "garden_id"
     t.bigint "jobbable_id"
     t.string "jobbable_type"
diff --git a/spec/helpers/jobs_helper_spec.rb b/spec/helpers/jobs_helper_spec.rb
index 34e539f93..20663b11b 100644
--- a/spec/helpers/jobs_helper_spec.rb
+++ b/spec/helpers/jobs_helper_spec.rb
@@ -28,4 +28,20 @@ describe JobsHelper do
   it 'gives the date for a job further off' do
     expect(label(Date.new(2026, 11, 3))).to eq 'Tue 3 Nov'
   end
+
+  describe '#job_celebrations' do
+    subject(:words) { helper.job_celebrations }
+
+    it 'has a message for each size of streak' do
+      expect(words[:levels].keys).to eq %w(one two three many)
+    end
+
+    it 'leaves the job\'s name for the script to fill in' do
+      expect(words[:crossed_off]).to include('{name}')
+    end
+
+    it 'leaves the count for the script to fill in' do
+      expect(words[:done][:other]).to include('{count}')
+    end
+  end
 end
diff --git a/spec/models/job_spec.rb b/spec/models/job_spec.rb
index 64a908c1d..6ed946e87 100644
--- a/spec/models/job_spec.rb
+++ b/spec/models/job_spec.rb
@@ -77,4 +77,37 @@ RSpec.describe Job do
       expect(job.jobbable).to eq crop
     end
   end
+
+  describe '#finished_at' do
+    let(:job) { create(:job, finished: false) }
+
+    it 'is set when the job is crossed off' do
+      job.update!(finished: true)
+      expect(job.finished_at).to be_within(1.minute).of(Time.zone.now)
+    end
+
+    it 'is cleared when the job is put back' do
+      job.update!(finished: true)
+      job.update!(finished: false)
+      expect(job.finished_at).to be_nil
+    end
+
+    it 'is left alone when something else changes' do
+      job.update!(finished: true)
+      expect { job.update!(name: 'Another name') }.not_to(change { job.reload.finished_at })
+    end
+  end
+
+  describe '.finished_this_week' do
+    let!(:this_week) { create(:job, finished: true) }
+
+    before do
+      create(:job, finished: false)
+      create(:job, finished: true).update_column(:finished_at, 2.weeks.ago) # rubocop:disable Rails/SkipsModelValidations
+    end
+
+    it 'has the jobs crossed off since the week began' do
+      expect(described_class.finished_this_week).to eq [this_week]
+    end
+  end
 end
diff --git a/spec/requests/jobs_controller_create_spec.rb b/spec/requests/jobs_controller_create_spec.rb
index 867346c19..bcc969631 100644
--- a/spec/requests/jobs_controller_create_spec.rb
+++ b/spec/requests/jobs_controller_create_spec.rb
@@ -25,6 +25,18 @@ describe JobsController, '#create' do
     end
   end
 
+  context 'with the link left empty, as the notepad sends it' do
+    before { post jobs_path, params: { job: { name: 'Sow the peas', jobbable_type: '', jobbable_id: '' } }, headers: }
+
+    it 'creates the job' do
+      expect(member.jobs.pluck(:name)).to eq ['Sow the peas']
+    end
+
+    it 'links it to nothing' do
+      expect(member.jobs.first.jobbable).to be_nil
+    end
+  end
+
   context 'with a planting of the member\'s to link to' do
     let(:planting) { create(:planting, owner: member) }
 
diff --git a/spec/requests/jobs_controller_update_spec.rb b/spec/requests/jobs_controller_update_spec.rb
index 7ac895e32..aa023aa8e 100644
--- a/spec/requests/jobs_controller_update_spec.rb
+++ b/spec/requests/jobs_controller_update_spec.rb
@@ -30,4 +30,16 @@ describe JobsController, '#update' do
       expect(job.reload.due_date).to be_nil
     end
   end
+
+  context 'when crossing a job off from the notepad' do
+    before { patch job_path(slug: job.slug), params: { job: { finished: '1' } }, headers: }
+
+    it 'finishes the job' do
+      expect(job.reload).to be_finished
+    end
+
+    it 'says how many jobs are done this week' do
+      expect(response.headers['X-Jobs-Done-This-Week']).to eq '1'
+    end
+  end
 end