Broad bug hunt: auth flow, WS edge cases, and build hygiene.

Scope API auth to /api/v1, fix dashboard WebSocket 401s, session login in Calibrate, safe agent naming, reconnect races, and remove corrupt ollama/main.go.

server/web/src/pages/DashboardPage.tsx

@@ -291,6 +291,9 @@ export default function DashboardPage() {
           </table>
         </NeonCard>
       </section>
+      <footer style={{ marginTop: '3rem', paddingTop: '1rem', borderTop: '1px solid #333', textAlign: 'center', color: '#ff4444', fontSize: '0.85rem', fontFamily: 'monospace' }}>
+        ⚠️ DISCLAIMER: Use only on personal machines on your own network. Anything else is a crime.
+      </footer>
     </div>
   );
 }