Copy: state the AI-free stance as a confidentiality benefit; record the exploration

src/app/components/AboutModal.tsx

@@ -4,7 +4,7 @@
  * Rendered inside ModalShell — no backdrop, close button, or focus trap here;
  * the shell owns all of that (docs/architecture/03 → Layer 3). This component
  * is pure content: app identity, keyboard shortcuts (§01D), privacy posture
- * (SOUL.md — local-only, no accounts, no telemetry), and acknowledgements of
+ * (SOUL.md — local-only, no accounts, no telemetry, no AI), and acknowledgements of
  * the projects Astrolabe is built on and shaped by.
  */
 
@@ -74,10 +74,15 @@ export function AboutModal() {
         <h3 className={styles.heading}>Privacy</h3>
         <p className={styles.body}>
           Astrolabe runs in your browser. Your snippets, datasets, and settings are stored locally
-          on your device — there&rsquo;s no server to send them to.
+          on your device — there&rsquo;s no server to send them to. Work that has to stay
+          confidential is safe here.
         </p>
         <ul className={styles.list}>
           <li>No account or sign-in.</li>
+          <li>
+            No AI. No model authors, edits, or critiques your charts, and nothing is sent to one.
+            The chart builder&rsquo;s suggestions are computed locally from your data.
+          </li>
           <li>
             The app itself runs no analytics or tracking. Its host (Cloudflare) records standard,
             aggregate traffic like any web server — not your library or the charts you build, which

src/landing/Landing.tsx

@@ -598,16 +598,18 @@ export function Landing(): ReactNode {
             Your charts are <b>yours.</b>
           </h2>
           <p className={styles.creedLede}>
-            Astrolabe runs in your browser, and what it makes is ordinary Vega-Lite JSON — read it,
-            edit it in other tools, or take it elsewhere whenever you want.
+            Astrolabe runs in your browser, and your charts and data stay there — no account, no
+            server, no AI behind it to send them to — so work that has to stay confidential is safe
+            here from the first chart. And what it makes is ordinary Vega-Lite JSON: read it, edit
+            it in other tools, or take it elsewhere whenever you want.
           </p>
           <div className={styles.creedGrid}>
             <div>
               <span className={styles.creedKey}>private</span>
               <h3>Local to your browser</h3>
               <p>
-                Charts, data, and themes are saved in this browser, and it keeps working offline
-                once installed.
+                Charts, data, and themes are saved in this browser and nowhere else — there is no
+                server behind Astrolabe to receive them. It keeps working offline once installed.
               </p>
             </div>
             <div>