Support: add a feedback email, rebrand from Donate, tighten privacy copy

src/app/App.module.css

@@ -65,9 +65,9 @@
   flex: 1;
 }
 
-/* Vertical rule separating the utilities from Donate + the theme toggle.
+/* Vertical rule separating the utilities from Support + the theme toggle.
    (The header buttons themselves are the shared Button primitive — ghost
-   utilities, soft-accent Donate; arch 09 §4.) */
+   utilities, soft-accent Support; arch 09 §4.) */
 /* TODO: --border-strong is the 3:1 component-boundary token (arch 09 §3.3), which
    makes this passive divider fairly dark; --border would be the semantic choice but
    is near-invisible on the --layer-01 header in light theme. A separator may want

src/app/App.tsx

@@ -82,8 +82,9 @@ export function App() {
             actions are a right-aligned row of icon-only buttons). The utilities
             are IconButtons — tooltips carry the full action, accessible names
             scope it ("Export workspace" vs the preview pane's per-chart
-            "Export") — then a divider sets off Donate — the one solicitation,
-            given a soft-accent wash — and the theme toggle. */}
+            "Export") — then a divider sets off Support (feedback + the one
+            donation solicitation), given a soft-accent wash — and the theme
+            toggle. */}
         <IconButton
           label="Datasets"
           onClick={() => openModal('datasets')}
@@ -117,9 +118,9 @@ export function App() {
         <Button
           variant="soft-accent"
           onClick={() => openModal('donate')}
-          title="Support Ukraine's defense"
+          title="Send feedback or support Ukraine's defense"
         >
-          Donate
+          Support
         </Button>
         <ThemeToggle />
         {/* Hidden picker for Import; restricted to JSON (spec §08). */}

src/app/components/AboutModal.module.css

@@ -36,6 +36,26 @@
   color: var(--text-secondary);
 }
 
+/* Inline accent link. Restated as DonateModal's `.email` — the two are the same
+   recipe; a shared link primitive would be the home if a third site appears. */
+/* TODO: if inline accent links recur, lift this recipe to a base.css element
+   baseline or a small primitive rather than copying it a third time. */
+.link {
+  color: var(--accent);
+  font-weight: 600;
+  text-decoration: none;
+}
+
+.link:hover {
+  text-decoration: underline;
+}
+
+.link:focus-visible {
+  outline: 2px solid var(--focus);
+  outline-offset: 2px;
+  border-radius: var(--radius);
+}
+
 /* Shortcuts table */
 .shortcuts {
   border-collapse: collapse;

src/app/components/AboutModal.test.tsx

@@ -55,12 +55,21 @@ describe('AboutModal', () => {
     expect(text).toMatch(/offline/i);
   });
 
-  test('has three labelled sections: identity, shortcuts, privacy', () => {
+  test('has labelled sections: identity, shortcuts, privacy, feedback', () => {
     const headings = Array.from(container.querySelectorAll('h3')).map(
       (h) => h.textContent?.toLowerCase() ?? '',
     );
     expect(headings.some((h) => h.includes('astrolabe'))).toBe(true);
     expect(headings.some((h) => h.includes('keyboard'))).toBe(true);
     expect(headings.some((h) => h.includes('privacy'))).toBe(true);
+    expect(headings.some((h) => h.includes('feedback'))).toBe(true);
+  });
+
+  test('offers the feedback address as a mailto link', () => {
+    const mailto = Array.from(container.querySelectorAll('a')).find((a) =>
+      a.getAttribute('href')?.startsWith('mailto:'),
+    );
+    expect(mailto).toBeTruthy();
+    expect(mailto!.getAttribute('href')).toContain('feedback@astrolabe-viz.com');
   });
 });

src/app/components/AboutModal.tsx

@@ -7,6 +7,7 @@
  * (SOUL.md — local-only, no accounts, no telemetry).
  */
 
+import { FEEDBACK_EMAIL, feedbackMailtoHref } from '../feedback';
 import styles from './AboutModal.module.css';
 
 /** True when the user agent is macOS / iOS — drives the Cmd vs. Ctrl label. */
@@ -64,7 +65,7 @@ export function AboutModal() {
         </p>
         <ul className={styles.list}>
           <li>No account, no sign-in, no server-side storage.</li>
-          <li>No telemetry, no analytics, no tracking of any kind.</li>
+          <li>The app runs no analytics or tracking — no cookies, no telemetry, no profiling.</li>
           <li>
             The only outbound network requests are ones you create: URL-sourced datasets you add
             yourself.
@@ -75,6 +76,18 @@ export function AboutModal() {
           </li>
         </ul>
       </section>
+
+      {/* Feedback */}
+      <section className={styles.section}>
+        <h3 className={styles.heading}>Feedback</h3>
+        <p className={styles.body}>
+          Found a bug or have an idea? Email{' '}
+          <a className={styles.link} href={feedbackMailtoHref()}>
+            {FEEDBACK_EMAIL}
+          </a>
+          .
+        </p>
+      </section>
     </div>
   );
 }

src/app/components/DonateModal.module.css

@@ -1,4 +1,4 @@
-/* Donate modal body — minimal, sincere, one action. */
+/* Support modal body — two ways to give back: feedback, or a donation to Ukraine. */
 
 .donate {
   display: flex;
@@ -8,6 +8,12 @@
   min-width: 0;
 }
 
+.section {
+  display: flex;
+  flex-direction: column;
+  gap: var(--space-4);
+}
+
 .body {
   margin: 0;
   font-size: 14px;
@@ -15,9 +21,33 @@
   color: var(--text);
 }
 
+/* Feedback row: the address (as a mailto link) beside a copy button. */
+.contact {
+  display: flex;
+  align-items: center;
+  gap: var(--space-3);
+  flex-wrap: wrap;
+}
+
+.email {
+  font-size: 14px;
+  font-weight: 600;
+  color: var(--accent);
+  text-decoration: none;
+}
+
+.email:hover {
+  text-decoration: underline;
+}
+
+.email:focus-visible {
+  outline: 2px solid var(--focus);
+  outline-offset: 2px;
+  border-radius: var(--radius);
+}
+
 .actions {
   display: flex;
-  padding-top: var(--space-3);
 }
 
 /* Primary CTA — styled as a button even though it's an <a> so it matches

src/app/components/DonateModal.test.tsx

@@ -20,32 +20,36 @@ afterEach(() => {
   container.remove();
 });
 
-describe('DonateModal', () => {
-  test('renders a sincere message referencing the project', () => {
+const links = () => Array.from(container.querySelectorAll('a'));
+
+describe('DonateModal (Support)', () => {
+  test('renders a sincere message referencing the project and feedback', () => {
     const text = container.textContent ?? '';
     expect(text).toMatch(/astrolabe/i);
-    // Some mention of contribution / support
-    expect(text).toMatch(/contribut|support/i);
+    expect(text).toMatch(/feedback/i);
   });
 
-  test('renders exactly one primary CTA link', () => {
-    const links = container.querySelectorAll('a');
-    expect(links).toHaveLength(1);
+  test('offers the feedback address as a mailto link', () => {
+    const mailto = links().find((a) => a.getAttribute('href')?.startsWith('mailto:'));
+    expect(mailto).toBeTruthy();
+    expect(mailto!.getAttribute('href')).toContain('feedback@astrolabe-viz.com');
+    expect(mailto!.textContent).toContain('feedback@astrolabe-viz.com');
   });
 
-  test('the CTA link opens in a new tab with rel noopener', () => {
-    const link = container.querySelector('a')!;
-    expect(link.getAttribute('target')).toBe('_blank');
-    expect(link.getAttribute('rel')).toContain('noopener');
+  test('provides a copy-address button', () => {
+    const copy = Array.from(container.querySelectorAll('button')).find((b) =>
+      /copy/i.test(b.textContent ?? ''),
+    );
+    expect(copy).toBeTruthy();
   });
 
-  test('the CTA link has visible text (not icon-only)', () => {
-    const link = container.querySelector('a')!;
-    expect((link.textContent ?? '').trim().length).toBeGreaterThan(0);
-  });
-
-  test('the CTA points to the Ukraine-defense donation, not a placeholder', () => {
-    const link = container.querySelector('a')!;
-    expect(link.getAttribute('href')).toBe('https://savelife.in.ua/en/donate-en/');
+  test('the donation CTA points to Ukraine-defense and opens safely in a new tab', () => {
+    const donate = links().find(
+      (a) => a.getAttribute('href') === 'https://savelife.in.ua/en/donate-en/',
+    );
+    expect(donate).toBeTruthy();
+    expect(donate!.getAttribute('target')).toBe('_blank');
+    expect(donate!.getAttribute('rel')).toContain('noopener');
+    expect((donate!.textContent ?? '').trim().length).toBeGreaterThan(0);
   });
 });

src/app/components/DonateModal.tsx

@@ -1,12 +1,20 @@
 /**
- * Donate modal body (spec §01B/§01C).
+ * Support modal body (spec §01B/§01C).
+ *
+ * User-facing name is **Support**; the internal modal id stays `donate` (its
+ * origin, and still its primary accent CTA). The project asks nothing for
+ * itself, so this surface offers two ways to give back: feedback to the author,
+ * and a donation to Ukraine's defense — where any project donations would go
+ * anyway.
  *
  * Rendered inside ModalShell — no backdrop, close button, or focus trap here;
- * the shell owns all of that (docs/architecture/03 → Layer 3). The project asks
- * for nothing for itself: the one solicitation redirects to Ukraine's defense,
- * where the author would forward any project donations anyway.
+ * the shell owns all of that (docs/architecture/03 → Layer 3).
  */
 
+import { useState } from 'react';
+import { Button } from './Button';
+import { notify } from '../stores/NotificationStore';
+import { FEEDBACK_EMAIL, feedbackMailtoHref } from '../feedback';
 import styles from './DonateModal.module.css';
 
 /**
@@ -17,23 +25,60 @@ import styles from './DonateModal.module.css';
 const DONATE_URL = 'https://savelife.in.ua/en/donate-en/';
 
 export function DonateModal() {
+  const [copied, setCopied] = useState(false);
+
+  const handleCopy = async () => {
+    try {
+      await navigator.clipboard.writeText(FEEDBACK_EMAIL);
+      // The clipboard write is invisible, so the success is confirmed inline
+      // ("Copied") rather than by a toast (docs/architecture/10 → Toast copy).
+      setCopied(true);
+      setTimeout(() => setCopied(false), 1500);
+    } catch {
+      notify({
+        kind: 'error',
+        title: "Couldn't copy",
+        message: 'Your browser blocked clipboard access. Select and copy the address manually.',
+      });
+    }
+  };
+
   return (
     <div className={styles.donate}>
       <p className={styles.body}>
-        Astrolabe is free and open-source, built in spare time — there's nothing to buy and no one
-        to pay.
-      </p>
-      <p className={styles.body}>
-        If it has saved you time and you'd like to give something back, please send it where it
-        matters far more than it would to me: Ukraine's defense against Russia's invasion. The Come
-        Back Alive foundation supports the people defending the country.
+        Astrolabe is free, built in spare time — there's nothing to buy and no one to pay.
       </p>
 
-      <div className={styles.actions}>
-        <a href={DONATE_URL} className={styles.primary} target="_blank" rel="noopener noreferrer">
-          Donate to Ukraine's defense
-        </a>
-      </div>
+      <section className={styles.section}>
+        <p className={styles.body}>
+          The most useful thing you can send back is feedback — what's broken, what's missing, what
+          you'd want next.
+        </p>
+        <div className={styles.contact}>
+          <a className={styles.email} href={feedbackMailtoHref()}>
+            {FEEDBACK_EMAIL}
+          </a>
+          <Button onClick={() => void handleCopy()}>{copied ? 'Copied' : 'Copy'}</Button>
+          {/* A polite live region announces the copy to assistive tech, which the
+              button's label swap alone would not reliably do. */}
+          <span role="status" className="visually-hidden">
+            {copied ? 'Email address copied to clipboard' : ''}
+          </span>
+        </div>
+      </section>
+
+      <section className={styles.section}>
+        <p className={styles.body}>
+          And if you'd like to give something beyond words, please send it where it matters far more
+          than it would to me: Ukraine's defense against Russia's invasion. The Come Back Alive
+          foundation supports the people defending the country.
+        </p>
+        <div className={styles.actions}>
+          <a href={DONATE_URL} className={styles.primary} target="_blank" rel="noopener noreferrer">
+            Donate to Ukraine's defense
+          </a>
+        </div>
+      </section>
     </div>
   );
 }

src/app/feedback.ts

@@ -0,0 +1,18 @@
+/**
+ * Project feedback channel.
+ *
+ * There is no server and no tracker (see the About modal — no telemetry of any
+ * kind); feedback is a plain email the user composes and sends from their own
+ * client. The address is a Cloudflare Email Routing alias that forwards to the
+ * author, so it can be retired without exposing or churning a personal inbox.
+ *
+ * Shared by the Support modal and the About modal — a contact address is worth
+ * a single source of truth so the two surfaces can't drift.
+ */
+export const FEEDBACK_EMAIL = 'feedback@astrolabe-viz.com';
+
+/** A `mailto:` href prefilled with a version-stamped subject, to ease triage. */
+export function feedbackMailtoHref(): string {
+  const subject = encodeURIComponent(`Astrolabe v${__APP_VERSION__} — feedback`);
+  return `mailto:${FEEDBACK_EMAIL}?subject=${subject}`;
+}

src/app/modals/modal-registry.ts

@@ -118,9 +118,11 @@ const MODAL_REGISTRY: Partial<Record<ModalName, ModalConfig>> = {
     name: 'about',
     title: 'About & Help',
   },
+  // User-facing name is "Support" (feedback + the Ukraine-defense donation); the
+  // id stays `donate` — its origin and still its primary accent CTA.
   donate: {
     name: 'donate',
-    title: 'Donate',
+    title: 'Support',
   },
 };
 

src/app/modals/types.ts

@@ -10,7 +10,7 @@
 export type ModalName =
   | 'datasets' // Datasets manager (list / detail / new-dataset form)
   | 'about' // About & Help (M6)
-  | 'donate' // Donate (M6)
+  | 'donate' // Support — feedback + Ukraine-defense donation (M6)
   | 'chartBuilder' // Visual no-JSON chart composition for a dataset (M4)
   | 'extract' // Extract inline spec data into a new dataset (M3)
   | 'themeBuilder'; // Custom chart theme editor with a live preview gallery (spec §04)