Merge visual review into full shell and preserve bilingual layout

frontend/src/shell/WorkingContextShelf.tsx

@@ -16,21 +16,20 @@ export function WorkingContextShelf({ context, locked, onWorkspace, onModel }: {
     <button className="thot-context-trigger" aria-expanded={open} aria-controls="thoth-working-context"
       onClick={() => setExpanded(!open)}>
       <SlidersHorizontal size={18} aria-hidden />
-      <span className="thot-context-summary"><small>{translate("WORKING CONTEXT")}</small><strong>{context.workspace?.displayName ?? translate("Choose workspace")}<span aria-hidden> / </span>{context.model?.name ?? translate("Choose model")}</strong></span>
+      <span className="thot-context-summary"><small>{translate("Working context")}</small><strong>{context.workspace?.displayName ?? translate("Choose workspace")}<span aria-hidden> / </span>{context.model?.name ?? translate("Choose model")}</strong></span>
       <span className="thot-context-action">{locked && <LockKeyhole size={15} aria-hidden />}<span>{locked ? translate("Locked") : open ? translate("Close") : translate("Change context")}</span><ChevronDown size={16} aria-hidden /></span>
     </button>
     <div id="thoth-working-context" hidden={!open} className="thot-context-body">
-      <p className="thot-context-explanation">{translate("Your last choices take precedence over installation defaults. Workspace and model are remembered independently.")}</p>
       <div className="thot-context-fields">
         <label><span><Layers size={15} aria-hidden />{translate("Workspace")}</span>
           <select aria-label={translate("Workspace")} value={context.workspace ? context.workspaceId : ""} disabled={locked || context.loading} onChange={event => onWorkspace(event.target.value)}>
             <option value="" disabled>{translate("Choose a workspace")}</option>{context.workspaces.map(workspace => <option key={workspace.id} value={workspace.id}>{workspace.displayName}</option>)}
-          </select><small>{translate(context.origins.workspace)}</small>
+          </select>
         </label>
         <label><span><Cpu size={15} aria-hidden />{translate("AI interaction model")}</span>
           <select aria-label={translate("Model")} value={context.model ? context.modelId : ""} disabled={locked || context.loading} onChange={event => onModel(event.target.value)}>
             <option value="" disabled>{translate("Choose a model")}</option>{context.models.map(model => <option key={`${model.provider}/${model.id}`} value={`${model.provider}/${model.id}`}>{model.name}</option>)}
-          </select><small>{translate(context.origins.model)}</small>
+          </select>
         </label>
       </div>
       {locked && <p role="status">{translate("Workspace and model are locked until the current operation finishes.")}</p>}