Update widget tagline link and enable MNE CORS

- Widget footer now links to osc.earth/osa/ instead of GitHub
- Add "(osc.earth/osa)" text to footer tagline
- Uncomment MNE CORS origins to allow widget embedding on mne.tools

Author: neuromechanist

frontend/osa-chat-widget.js

@@ -48,7 +48,7 @@
     // These are sent to the backend as part of page_context
     widgetInstructions: null,
     showExperimentalBadge: true,
-    repoUrl: 'https://github.com/OpenScience-Collective/osa',
+    repoUrl: 'https://osc.earth/osa/',
     repoName: 'Open Science Assistant',
     // Page context awareness - sends current page URL/title to help the assistant
     // provide more contextually relevant answers
@@ -1930,7 +1930,7 @@
         </div>
         <div class="osa-chat-footer">
           <a href="${escapeHtml(CONFIG.repoUrl)}" target="_blank" rel="noopener noreferrer">
-            Powered by ${escapeHtml(CONFIG.repoName)}<span class="osa-version"></span>
+            Powered by ${escapeHtml(CONFIG.repoName)} (osc.earth/osa)<span class="osa-version"></span>
           </a>
         </div>
         <div class="osa-settings-overlay">

src/assistants/mne/config.yaml

@@ -28,10 +28,9 @@ widget:
     - How do I perform source localization?
     - How do I do time-frequency analysis?
 
-# TODO: MNE maintainers to submit PR adding CORS origins for mne.tools
-# cors_origins:
-#   - https://mne.tools
-#   - https://*.mne.tools
+cors_origins:
+  - https://mne.tools
+  - https://*.mne.tools
 
 # Budget limits for cost management
 budget: