Fix Studio manual node switch state transitions so revisitable steps stay accessible after switching away.

Co-authored-by: Cursor <cursoragent@cursor.com>

frontend/src/components/Studio/StudioRunPage.jsx

@@ -6,7 +6,7 @@ import {
   buildWorkflowVariableLabelMap,
   getWorkflowVariableLabel,
 } from './edit/workflowVariableLabels';
-import { resolveBoundCharacterName, canUndoRun, canRerollRun, canAdvanceNextStep, getRunControls, hasRunControl, shouldShowFirstExport, shouldShowSaveAppendOverwrite, canSaveWorldbookEntry, canSwitchToNode } from './studioRunUtils';
+import { resolveBoundCharacterName, canUndoRun, canRerollRun, canAdvanceNextStep, getRunControls, hasRunControl, shouldShowFirstExport, shouldShowSaveAppendOverwrite, canSaveWorldbookEntry, canSwitchToNode, isInitBindCompleted } from './studioRunUtils';
 import useCharacterStore from '../../Store/SideBarLeft/CharacterSlice';
 
 import StudioContextBlockPopup from './StudioContextBlockPopup';
@@ -584,9 +584,10 @@ function StudioRunPage() {
     );
   }, [currentRun]);
 
-  const isInitBindActive =
+  const isInitBindPending =
     activeNodeState?.status === 'active' &&
-    activeNodeState?.skillId === 'studio.init_bind';
+    activeNodeState?.skillId === 'studio.init_bind' &&
+    !isInitBindCompleted(activeNodeState);
 
   const runControls = useMemo(
     () => getRunControls(activeNodeState?.skillId, skillTemplates),
@@ -702,7 +703,7 @@ function StudioRunPage() {
   };
 
   const handleChatSend = async (text) => {
-    if (!text || isInitBindActive || !isWorldbookActive || runMessaging) return;
+    if (!text || isInitBindPending || !isWorldbookActive || runMessaging) return;
 
     setChatInput('');
 
@@ -774,13 +775,25 @@ function StudioRunPage() {
 
   const handleGraphNodeSelect = useCallback(
     async (nodeId) => {
-      if (!runSessionEntered || !currentRun || nodeId === currentRun.currentNodeId) return;
+      if (!currentRun || nodeId === currentRun.currentNodeId) return;
+      if (runLoading || runAdvancing || runMessaging) return;
       const nodeState = currentRun.nodeStates?.find((n) => n.nodeId === nodeId);
       if (!canSwitchToNode(nodeState)) return;
       clearConfirmPending();
-      await switchRunNode(nodeId);
+      const run = await switchRunNode(nodeId);
+      if (run) {
+        setChatInput('');
+        setToolOptionIndex(0);
+      }
     },
-    [runSessionEntered, currentRun, switchRunNode, clearConfirmPending]
+    [
+      currentRun,
+      runLoading,
+      runAdvancing,
+      runMessaging,
+      switchRunNode,
+      clearConfirmPending,
+    ]
   );
 
   const handleDeleteRun = async (runId) => {
@@ -887,7 +900,7 @@ function StudioRunPage() {
         nodeStates={graphNodeStates}
         currentNodeId={graphCurrentNodeId}
         variant="sidebar"
-        onNodeSelect={runSessionEntered ? handleGraphNodeSelect : undefined}
+        onNodeSelect={currentRun ? handleGraphNodeSelect : undefined}
         canSelectNode={canSwitchToNode}
       />
     );
@@ -915,6 +928,13 @@ function StudioRunPage() {
         activeNodeState={activeNodeState}
         isWorldbookActive={isWorldbookActive}
       />
+      <section className="studio-run-left-session__graph">
+        <h2 className="studio-run-section-title">节点进度</h2>
+        <p className="studio-run-hint studio-run-hint--inline">
+          点击已完成、进行中或已有草稿的步骤可切换当前焦点。
+        </p>
+        {renderNodeProgress()}
+      </section>
       <PromptBlocksDebug
         blocks={promptBlocks}
         onBlockClick={setContextBlockPopup}
@@ -991,7 +1011,7 @@ function StudioRunPage() {
   };
 
   const renderSessionCenter = () => {
-    if (isInitBindActive && activePipelineNode) {
+    if (isInitBindPending && activePipelineNode) {
       return (
         <div className="studio-run-chat-card">
           <InitBindGuidanceForm
@@ -1004,6 +1024,18 @@ function StudioRunPage() {
       );
     }
 
+    if (
+      activeNodeState?.skillId === 'studio.init_bind' &&
+      isInitBindCompleted(activeNodeState)
+    ) {
+      return (
+        <div className="studio-run-chat-empty">
+          <p>创建并绑定步骤已完成。</p>
+          <p className="studio-run-hint">绑定信息见左侧「目前产物」。</p>
+        </div>
+      );
+    }
+
     return (
       <div className="studio-run-chat-panel">
         <StudioRunChat
@@ -1015,7 +1047,7 @@ function StudioRunPage() {
           onSend={handleChatSend}
           onInterrupt={canInterrupt ? interruptRun : undefined}
           canInterrupt={canInterrupt}
-          disabled={!isWorldbookActive || runAdvancing || isInitBindActive}
+          disabled={!isWorldbookActive || runAdvancing || isInitBindPending}
           sending={runMessaging}
           streamOutput={streamOutput}
           onStreamOutputChange={setStreamOutput}