feat: slot system + entries/priority/errorreport + typert generator

packages/client/ui-layout/src/client/AppFrame.module.css

@@ -106,3 +106,14 @@
   background: var(--dsw-alias-button-floating-hover);
   border-color: var(--dsw-alias-border-l3);
 }
+
+.overlayLayer {
+  position: absolute;
+  inset: 0;
+  z-index: 20;
+  pointer-events: none;
+}
+
+.overlayLayer > * {
+  pointer-events: auto;
+}

packages/client/ui-layout/src/client/AppFrame.tsx

@@ -20,7 +20,7 @@ import css from './AppFrame.module.css'
 /** Full composed props: runtime share + child-slot render share + store share. */
 export type AppFrameProps =
   & PropsRuntime<'root'>
-  & PropsRenderSlots<'sidebar' | 'conversation' | 'details'>
+  & PropsRenderSlots<'sidebar' | 'conversation' | 'details' | 'shell.overlay'>
   & PropsStore<ReturnType<typeof createLayoutStore>>
 
 /** Center column grid item (session-body building block). */
@@ -190,6 +190,9 @@ export function AppFrame({
         <CenterColumn>{renderSlot('conversation', {})}</CenterColumn>
         <DetailsColumn>{renderSlot('details', {})}</DetailsColumn>
       </>
+      <div className={css.overlayLayer} data-shell-overlay>
+        {renderSlot('shell.overlay', {})}
+      </div>
       {/* The collapsed rail is fixed-width: no resize handle while closed. */}
       {!sidebarCollapsed && <DragHandle side="sidebar" left={cols.sidebar} onStart={onSidebarStart} onDrag={onSidebarDrag} onEnd={onDragEnd} />}
       {cols.details > 0 && <DragHandle side="details" left={viewport - cols.details} onStart={onDetailsStart} onDrag={onDetailsDrag} onEnd={onDragEnd} />}