diff --git a/workspace/outline/index.html b/workspace/outline/index.html
index 5eae564..3679c19 100644
--- a/workspace/outline/index.html
+++ b/workspace/outline/index.html
@@ -41,15 +41,26 @@
           A full editor page (<code>/editor.html</code>) with a 3-panel resizable layout
           (Left / Center / Right). Each panel holds one or more sections side by side,
           each section holds a <code>&lt;tab-container&gt;</code>. Tabs are draggable
-          between containers. The Left panel shows the file tree; the Center panel holds
-          the WYSIWYG HTML editor (iframe, <code>contenteditable</code>,
-          MutationObserver, undo/redo, Ctrl+S save). The Right panel is empty by default
-          and receives dropped tabs.
+          between containers. The Left panel shows the file tree with create, rename,
+          and delete for files and folders. The Center panel holds the WYSIWYG HTML
+          editor (iframe, <code>contenteditable</code>, MutationObserver, undo/redo,
+          Ctrl+S save). The Right panel is empty by default and receives dropped tabs.
         </p>
         <p style="margin-top:0.75rem">
+          A <code>FileEditorRegistry</code> routes files to the correct panel by suffix.
+          HTML files open in <code>html-editor-panel</code>; all other known text formats
+          open in <code>code-panel</code> (CodeMirror 5, syntax highlighting, dark theme,
+          Pin/Undo/Redo/Save toolbar). The registry checks an optional project-level
+          <code>workspace/editor/file-editors.json</code> first, then falls back to
+          in-memory defaults. Unknown extensions show an error in the file tree instead
+          of attempting to open.
+        </p>
+        <p style="margin-top:0.75rem">
+          A <code>rojo-chat-panel</code> provides a streaming AI chat interface backed
+          by a LangChain + OpenAI-compatible model. Each panel instance holds its own
+          conversation session in memory.
           A reusable <code>&lt;confirm-dialog&gt;</code> component replaces browser
-          <code>confirm()</code> for destructive actions. Currently wired up for project
-          deletion only.
+          <code>confirm()</code> for destructive actions (currently project deletion).
         </p>
       </div>
 
@@ -57,14 +68,14 @@
         <h3>What still needs work</h3>
         <p>
           This is a loose reminder, not a fixed backlog. Things we know are missing or
-          incomplete: a file manager inside the editor (create, rename, delete files and
-          folders from the tree); the Right panel has no default content and relies on
-          manual tab dragging to populate; portrait mode's secondary section switcher
+          incomplete: the Right panel has no default content and relies on manual tab
+          dragging to populate; portrait mode's secondary section switcher
           (when a panel has multiple side-by-side sections) is not yet wired up; the
           member list UI shows raw UUIDs instead of usernames; the group editor and
           account delete button still use the browser <code>confirm()</code> instead of
-          the custom dialog; non-HTML files in the tree are visible but not openable;
-          and there is no real-time multi-user collaboration yet.
+          the custom dialog; non-text files (images, PDFs) in the tree are visible but
+          not openable (a <code>MediaViewerPanel</code> is planned); and there is no
+          real-time multi-user collaboration yet.
         </p>
       </div>
     </section>