fix: sidebar root external-link → href static (pas Alpine :href)

Alpine ne résolvait pas wsId dans le scope x-for.
Maintenant: href='/local-workspace' (route qui utilise le cookie ws actif).
+ hard refresh nécessaire (Ctrl+Shift+R) pour vider cache ancien JS.
143 tests passent

app/templates/local_workspace.html

@@ -2279,7 +2279,7 @@ console.log('FLOWDECK v2.4.6 — IIFE done, _wsInitData keys:', Object.keys(wind
               <span style="display:flex;gap:2px">
                 <button class="ws-act" @click.stop="window.FlowDeck.createPage()" title="New file">{{ fd_icon("file",14) }}</button>
                 <button class="ws-act" @click.stop="window.FlowDeck.showCreateFolderModal()" title="New folder">{{ fd_icon("folder",14) }}</button>
-                <a class="ws-act" :href="'/local-workspace?ws=' + (wsId || node.ws_id)" title="Open workspace page" style="text-decoration:none;display:inline-flex;align-items:center;">{{ fd_icon("external-link",14) }}</a>
+                <a class="ws-act" href="/local-workspace" title="Open workspace page" style="text-decoration:none;display:inline-flex;align-items:center;">{{ fd_icon("external-link",14) }}</a>
               </span>
             </template>
             <button class="ws-act" @click.stop="startRename(node)" title="Rename">{{ fd_icon("edit",14) }}</button>