0.35.0: per-stack Update button on the Stacks page

Adds an inline "Update (pull latest images & recreate)" action to each
row of the stacks table, next to start/stop/restart/edit — for both the
local host and remote agents. Wires the existing updateImages action and
the agent "update" lifecycle action through StacksTable's new onUpdate prop.

Also bumps backend/version.py to 0.35.0 so it tracks the frontend version
again (it had drifted to 0.33.0 while package.json moved to 0.34.x).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

backend/version.py

@@ -1,3 +1,3 @@
 """Single source of truth for the StackPilot release version."""
 
-APP_VERSION = "0.33.0"
+APP_VERSION = "0.35.0"

frontend/package.json

@@ -1,7 +1,7 @@
 {
   "name": "stackpilot-frontend",
   "private": true,
-  "version": "0.34.1",
+  "version": "0.35.0",
   "type": "module",
   "scripts": {
     "dev": "vite",

frontend/src/components/stacks/AgentStacksSection.tsx

@@ -81,6 +81,7 @@ export function AgentStacksSection({ agent, isAdmin }: { agent: Agent; isAdmin:
           onStart={(id) => run("start", "Starting", id)}
           onStop={(id) => run("stop", "Stopping", id)}
           onRestart={(id) => run("restart", "Restarting", id)}
+          onUpdate={isAdmin ? (id) => run("update", "Updating", id) : undefined}
           emptyText="No stacks on this host."
         />
       )}

frontend/src/components/stacks/StacksTable.tsx

@@ -1,7 +1,7 @@
 import { useState } from "react";
 import { Link } from "react-router-dom";
 import { useQueryClient } from "@tanstack/react-query";
-import { Play, Square, RotateCw, Pencil, Trash2 } from "lucide-react";
+import { Play, Square, RotateCw, ArrowUpCircle, Pencil, Trash2 } from "lucide-react";
 import { toast } from "sonner";
 import { Card, Spinner, StatusDot, Badge } from "@/components/ui";
 import { ConfirmDialog } from "@/components/ui/ConfirmDialog";
@@ -26,6 +26,7 @@ export function StacksTable({
   onStart,
   onStop,
   onRestart,
+  onUpdate,
   emptyText,
 }: {
   stacks: StackSummary[] | undefined;
@@ -41,6 +42,7 @@ export function StacksTable({
   onStart: (id: string) => void;
   onStop: (id: string) => void;
   onRestart: (id: string) => void;
+  onUpdate?: (id: string) => void;
   emptyText: string;
 }) {
   if (loading) return <Spinner />;
@@ -78,6 +80,7 @@ export function StacksTable({
               onStart={onStart}
               onStop={onStop}
               onRestart={onRestart}
+              onUpdate={onUpdate}
             />
           ))}
         </tbody>
@@ -99,6 +102,7 @@ function StackRow({
   onStart,
   onStop,
   onRestart,
+  onUpdate,
 }: {
   stack: StackSummary;
   stats?: StackStats;
@@ -112,6 +116,7 @@ function StackRow({
   onStart: (id: string) => void;
   onStop: (id: string) => void;
   onRestart: (id: string) => void;
+  onUpdate?: (id: string) => void;
 }) {
   const qc = useQueryClient();
   const running = stack.running_count > 0;
@@ -195,6 +200,15 @@ function StackRow({
                 <Play className="h-4 w-4 text-green-500" />
               </IconBtn>
             )}
+            {onUpdate && (
+              <IconBtn
+                title="Update (pull latest images & recreate)"
+                onClick={() => onUpdate(stack.id)}
+                disabled={busy}
+              >
+                <ArrowUpCircle className="h-4 w-4" />
+              </IconBtn>
+            )}
             {showEdit && (
               <Link
                 to={`${linkBase}/${stack.id}/edit`}

frontend/src/pages/Stacks.tsx

@@ -23,7 +23,7 @@ const STATUS_FILTERS: Record<string, StatusFilter> = {
 
 export function Stacks() {
   const isAdmin = useAuthStore((s) => s.user?.role === "admin");
-  const { busyId, start, stop, restart } = useStackActions();
+  const { busyId, start, stop, restart, updateImages } = useStackActions();
   // The dashboard explore bar deep-links here with ?q= / ?filter=.
   const [params] = useSearchParams();
   const [q, setQ] = useState(params.get("q") ?? "");
@@ -137,6 +137,7 @@ export function Stacks() {
           onStart={start}
           onStop={stop}
           onRestart={restart}
+          onUpdate={isAdmin ? updateImages : undefined}
           emptyText={q ? "No stacks match your search." : "No stacks yet. Create one with “New Stack”."}
         />
       </section>