go to laast session

client/src/routes/session/[id]/+page.svelte

@@ -24,6 +24,7 @@
 	let autoScroll = true;
 	let tmuxAlive = false;
 	let isMobile = false;
+	let lastSessionId: string | null = null;
 
 	// Load auto-scroll preference from localStorage and detect mobile
 	onMount(() => {
@@ -32,6 +33,8 @@
 			if (stored !== null) {
 				autoScroll = stored === 'true';
 			}
+			// Load last session from localStorage
+			lastSessionId = localStorage.getItem('spiceflow-last-session');
 			// Detect mobile (screen width < 640px or height < 450px)
 			const checkMobile = () => {
 				isMobile = window.innerWidth < 640 || window.innerHeight < 450;
@@ -42,11 +45,28 @@
 		}
 	});
 
+	// Track session history when navigating to a new session
+	let previousSessionId: string | null = null;
+	$: if (browser && sessionId && sessionId !== previousSessionId) {
+		// Save the previous session as "last session" before switching
+		if (previousSessionId) {
+			localStorage.setItem('spiceflow-last-session', previousSessionId);
+			lastSessionId = previousSessionId;
+		}
+		previousSessionId = sessionId;
+	}
+
 	// Load session when sessionId changes (handles client-side navigation)
 	$: if (sessionId) {
 		activeSession.load(sessionId);
 	}
 
+	function goToLastSession() {
+		if (lastSessionId) {
+			goto(`/session/${lastSessionId}`);
+		}
+	}
+
 	function handleToggleAutoScroll(event: CustomEvent<boolean>) {
 		autoScroll = event.detail;
 		if (browser) {
@@ -236,6 +256,7 @@
 			<SessionSettings
 				{autoAcceptEdits}
 				{autoScroll}
+				{lastSessionId}
 				provider={session.provider}
 				showBigMode={isTmuxSession && isMobile}
 				on:toggleAutoAccept={handleToggleAutoAccept}
@@ -244,6 +265,7 @@
 				on:refresh={handleRefresh}
 				on:eject={handleEject}
 				on:bigMode={handleBigMode}
+				on:goToLastSession={goToLastSession}
 			/>
 
 			<!-- Refresh button - desktop only -->
@@ -326,6 +348,17 @@
 				</svg>
 				Refresh
 			</button>
+			{#if lastSessionId}
+				<button
+					on:click={() => { menuOpen = false; goToLastSession(); }}
+					class="w-full px-3 py-2 text-left text-sm hover:bg-zinc-700 flex items-center gap-2 transition-colors"
+				>
+					<svg class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+						<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 7h12m0 0l-4-4m4 4l-4 4m0 6H4m0 0l4 4m-4-4l4-4" />
+					</svg>
+					Last session
+				</button>
+			{/if}
 			{#if !isTmuxSession}
 				<button
 					on:click={() => { menuOpen = false; messageList?.condenseAll(); }}
@@ -385,7 +418,7 @@
 	</div>
 {:else if isTmuxSession}
 	<!-- Terminal view for tmux sessions -->
-	<TerminalView bind:this={terminalView} sessionId={sessionId || ''} {autoScroll} on:aliveChange={handleTmuxAliveChange} />
+	<TerminalView bind:this={terminalView} sessionId={sessionId || ''} {autoScroll} {lastSessionId} on:aliveChange={handleTmuxAliveChange} on:goToLastSession={goToLastSession} />
 {:else}
 	<MessageList bind:this={messageList} messages={$activeSession.messages} streamingContent={$activeSession.streamingContent} isThinking={$activeSession.isThinking} provider={session?.provider} {autoScroll} />