src/app/editor/[projectId]/FlowchartEditor.tsx

@@ -1,6 +1,6 @@
 'use client'
 
-import React, { useCallback, useMemo, useState } from 'react'
+import React, { useCallback, useEffect, useMemo, useRef, useState } from 'react'
 import ReactFlow, {
   Background,
   BackgroundVariant,
@@ -27,20 +27,42 @@ import { createClient } from '@/lib/supabase/client'
 import DialogueNode from '@/components/editor/nodes/DialogueNode'
 import ChoiceNode from '@/components/editor/nodes/ChoiceNode'
 import VariableNode from '@/components/editor/nodes/VariableNode'
+import ConditionalEdge from '@/components/editor/edges/ConditionalEdge'
+import ContextMenu, { ContextMenuType } from '@/components/editor/ContextMenu'
 import ProjectSettingsModal from '@/components/editor/ProjectSettingsModal'
 import ConditionEditor from '@/components/editor/ConditionEditor'
 import ExportValidationModal, { type ValidationIssue } from '@/components/editor/ExportValidationModal'
 import { EditorProvider } from '@/components/editor/EditorContext'
-import Toast from '@/components/Toast'
 import { RealtimeConnection, type ConnectionState, type PresenceUser } from '@/lib/collaboration/realtime'
 import { CRDTManager } from '@/lib/collaboration/crdt'
-import { createClient } from '@/lib/supabase/client'
 import ShareModal from '@/components/editor/ShareModal'
 import type { FlowchartData, FlowchartNode, FlowchartEdge, Character, Variable, Condition } from '@/types/flowchart'
 
+// LocalStorage key prefix for draft saves
+const DRAFT_KEY_PREFIX = 'vnwrite-draft-'
+
+// Debounce delay in ms
+const AUTOSAVE_DEBOUNCE_MS = 1000
+
+type ContextMenuState = {
+  x: number
+  y: number
+  type: ContextMenuType
+  nodeId?: string
+  edgeId?: string
+} | null
+
+type ConditionEditorState = {
+  edgeId: string
+  condition?: Condition
+} | null
+
 type FlowchartEditorProps = {
   projectId: string
   projectName: string
+  userId: string
+  userDisplayName: string
+  isOwner: boolean
   initialData: FlowchartData
   needsMigration?: boolean
 }
@@ -71,6 +93,205 @@ function toReactFlowEdges(edges: FlowchartEdge[]): Edge[] {
   }))
 }
 
+// Convert React Flow Node type back to our FlowchartNode type
+function fromReactFlowNodes(nodes: Node[]): FlowchartNode[] {
+  return nodes.map((node) => ({
+    id: node.id,
+    type: node.type as 'dialogue' | 'choice' | 'variable',
+    position: node.position,
+    data: node.data,
+  })) as FlowchartNode[]
+}
+
+// Convert React Flow Edge type back to our FlowchartEdge type
+function fromReactFlowEdges(edges: Edge[]): FlowchartEdge[] {
+  return edges.map((edge) => ({
+    id: edge.id,
+    source: edge.source,
+    sourceHandle: edge.sourceHandle ?? undefined,
+    target: edge.target,
+    targetHandle: edge.targetHandle ?? undefined,
+    data: edge.data,
+  }))
+}
+
+// Get LocalStorage key for a project
+function getDraftKey(projectId: string): string {
+  return `${DRAFT_KEY_PREFIX}${projectId}`
+}
+
+// Save draft to LocalStorage
+function saveDraft(projectId: string, data: FlowchartData): void {
+  try {
+    localStorage.setItem(getDraftKey(projectId), JSON.stringify(data))
+  } catch (error) {
+    console.error('Failed to save draft to LocalStorage:', error)
+  }
+}
+
+// Load draft from LocalStorage
+function loadDraft(projectId: string): FlowchartData | null {
+  try {
+    const draft = localStorage.getItem(getDraftKey(projectId))
+    if (!draft) return null
+    return JSON.parse(draft) as FlowchartData
+  } catch (error) {
+    console.error('Failed to load draft from LocalStorage:', error)
+    return null
+  }
+}
+
+// Clear draft from LocalStorage
+export function clearDraft(projectId: string): void {
+  try {
+    localStorage.removeItem(getDraftKey(projectId))
+  } catch (error) {
+    console.error('Failed to clear draft from LocalStorage:', error)
+  }
+}
+
+// Compare two FlowchartData objects for equality
+function flowchartDataEquals(a: FlowchartData, b: FlowchartData): boolean {
+  return JSON.stringify(a) === JSON.stringify(b)
+}
+
+// Validate imported flowchart data structure
+function isValidFlowchartData(data: unknown): data is FlowchartData {
+  if (!data || typeof data !== 'object') return false
+  const obj = data as Record<string, unknown>
+  if (!Array.isArray(obj.nodes)) return false
+  if (!Array.isArray(obj.edges)) return false
+  return true
+}
+
+// Find the first node (node with no incoming edges)
+function findFirstNode(nodes: FlowchartNode[], edges: FlowchartEdge[]): FlowchartNode | null {
+  const targetIds = new Set(edges.map((e) => e.target))
+  const startNodes = nodes.filter((n) => !targetIds.has(n.id))
+  return startNodes[0] || nodes[0] || null
+}
+
+// Get outgoing edge from a node
+function getOutgoingEdge(nodeId: string, edges: FlowchartEdge[], sourceHandle?: string): FlowchartEdge | undefined {
+  return edges.find((e) => e.source === nodeId && (sourceHandle === undefined || e.sourceHandle === sourceHandle))
+}
+
+// Get all outgoing edges from a node
+function getOutgoingEdges(nodeId: string, edges: FlowchartEdge[]): FlowchartEdge[] {
+  return edges.filter((e) => e.source === nodeId)
+}
+
+// Convert flowchart to Ren'Py JSON format
+function convertToRenpyFormat(
+  nodes: FlowchartNode[],
+  edges: FlowchartEdge[],
+  projectName: string
+): { projectName: string; exportedAt: string; sections: Record<string, unknown[]> } {
+  const nodeMap = new Map<string, FlowchartNode>(nodes.map((n) => [n.id, n]))
+  const visited = new Set<string>()
+  const sections: Record<string, unknown[]> = {}
+  let currentSectionName = 'start'
+  let currentSection: unknown[] = []
+
+  const nodeLabels = new Map<string, string>()
+  let labelCounter = 0
+
+  function getNodeLabel(nodeId: string): string {
+    if (!nodeLabels.has(nodeId)) {
+      const node = nodeMap.get(nodeId)
+      if (node?.type === 'dialogue' && node.data.speaker) {
+        nodeLabels.set(nodeId, `section_${node.data.speaker.toLowerCase().replace(/\s+/g, '_')}_${labelCounter++}`)
+      } else {
+        nodeLabels.set(nodeId, `section_${labelCounter++}`)
+      }
+    }
+    return nodeLabels.get(nodeId)!
+  }
+
+  function processNode(nodeId: string): void {
+    if (visited.has(nodeId)) return
+    visited.add(nodeId)
+
+    const node = nodeMap.get(nodeId)
+    if (!node) return
+
+    if (node.type === 'dialogue') {
+      const outgoingEdge = getOutgoingEdge(nodeId, edges)
+      const renpyNode: Record<string, unknown> = {
+        type: 'dialogue',
+        speaker: node.data.speaker || '',
+        text: node.data.text,
+      }
+      if (outgoingEdge) {
+        renpyNode.next = visited.has(outgoingEdge.target) ? getNodeLabel(outgoingEdge.target) : outgoingEdge.target
+        if (outgoingEdge.data?.condition) {
+          renpyNode.condition = outgoingEdge.data.condition
+        }
+      }
+      currentSection.push(renpyNode)
+      if (outgoingEdge && !visited.has(outgoingEdge.target)) {
+        processNode(outgoingEdge.target)
+      }
+    } else if (node.type === 'choice') {
+      const outEdges = getOutgoingEdges(nodeId, edges)
+      const choices = outEdges.map((edge) => {
+        const choiceData: Record<string, unknown> = {
+          label: edge.sourceHandle || 'Choice',
+          next: edge.target,
+        }
+        if (edge.data?.condition) {
+          choiceData.condition = edge.data.condition
+        }
+        return choiceData
+      })
+      currentSection.push({
+        type: 'menu',
+        prompt: node.data.prompt || '',
+        choices,
+      })
+      // Process each choice target as a new section
+      outEdges.forEach((edge) => {
+        if (!visited.has(edge.target)) {
+          sections[currentSectionName] = currentSection
+          currentSectionName = getNodeLabel(edge.target)
+          currentSection = []
+          processNode(edge.target)
+        }
+      })
+    } else if (node.type === 'variable') {
+      const outgoingEdge = getOutgoingEdge(nodeId, edges)
+      const renpyNode: Record<string, unknown> = {
+        type: 'variable',
+        name: node.data.variableName || '',
+        operation: node.data.operation || 'set',
+        value: node.data.value ?? 0,
+      }
+      if (outgoingEdge) {
+        renpyNode.next = visited.has(outgoingEdge.target) ? getNodeLabel(outgoingEdge.target) : outgoingEdge.target
+        if (outgoingEdge.data?.condition) {
+          renpyNode.condition = outgoingEdge.data.condition
+        }
+      }
+      currentSection.push(renpyNode)
+      if (outgoingEdge && !visited.has(outgoingEdge.target)) {
+        processNode(outgoingEdge.target)
+      }
+    }
+  }
+
+  const startNode = findFirstNode(nodes, edges)
+  if (startNode) {
+    processNode(startNode.id)
+  }
+  sections[currentSectionName] = currentSection
+
+  return {
+    projectName,
+    exportedAt: new Date().toISOString(),
+    sections,
+  }
+}
+
 const RANDOM_COLORS = [
   '#EF4444', '#F97316', '#F59E0B', '#10B981',
   '#3B82F6', '#8B5CF6', '#EC4899', '#14B8A6',
@@ -212,7 +433,7 @@ function computeMigration(initialData: FlowchartData, shouldMigrate: boolean) {
 }
 
 // Inner component that uses useReactFlow hook
-function FlowchartEditorInner({ projectId, initialData, needsMigration }: FlowchartEditorProps) {
+function FlowchartEditorInner({ projectId, projectName, userId, userDisplayName, isOwner, initialData, needsMigration }: FlowchartEditorProps) {
   // Define custom node types - memoized to prevent re-renders
   const nodeTypes: NodeTypes = useMemo(
     () => ({
@@ -450,6 +671,8 @@ function FlowchartEditorInner({ projectId, initialData, needsMigration }: Flowch
       const currentData: FlowchartData = {
         nodes: fromReactFlowNodes(nodes),
         edges: fromReactFlowEdges(edges),
+        characters,
+        variables,
       }
       saveDraft(projectId, currentData)
     }, AUTOSAVE_DEBOUNCE_MS)
@@ -460,16 +683,18 @@ function FlowchartEditorInner({ projectId, initialData, needsMigration }: Flowch
         clearTimeout(saveTimerRef.current)
       }
     }
-  }, [nodes, edges, projectId, draftState.showPrompt])
+  }, [nodes, edges, characters, variables, projectId, draftState.showPrompt])
 
   // Calculate dirty state by comparing current data with last saved data
   const isDirty = useMemo(() => {
     const currentData: FlowchartData = {
       nodes: fromReactFlowNodes(nodes),
       edges: fromReactFlowEdges(edges),
+      characters,
+      variables,
     }
     return !flowchartDataEquals(currentData, lastSavedDataRef.current)
-  }, [nodes, edges])
+  }, [nodes, edges, characters, variables])
 
   // Browser beforeunload warning when dirty
   useEffect(() => {
@@ -589,6 +814,8 @@ function FlowchartEditorInner({ projectId, initialData, needsMigration }: Flowch
       const flowchartData: FlowchartData = {
         nodes: fromReactFlowNodes(nodes),
         edges: fromReactFlowEdges(edges),
+        characters,
+        variables,
       }
 
       const { error } = await supabase
@@ -620,7 +847,7 @@ function FlowchartEditorInner({ projectId, initialData, needsMigration }: Flowch
     } finally {
       setIsSaving(false)
     }
-  }, [isSaving, nodes, edges, projectId])
+  }, [isSaving, nodes, edges, characters, variables, projectId])
 
   // Keep ref updated with latest handleSave
   handleSaveRef.current = handleSave
@@ -630,6 +857,8 @@ function FlowchartEditorInner({ projectId, initialData, needsMigration }: Flowch
     const flowchartData: FlowchartData = {
       nodes: fromReactFlowNodes(nodes),
       edges: fromReactFlowEdges(edges),
+      characters,
+      variables,
     }
 
     // Create pretty-printed JSON
@@ -651,7 +880,7 @@ function FlowchartEditorInner({ projectId, initialData, needsMigration }: Flowch
     // Cleanup
     document.body.removeChild(link)
     URL.revokeObjectURL(url)
-  }, [nodes, edges, projectName])
+  }, [nodes, edges, characters, variables, projectName])
 
   const handleExportRenpy = useCallback(() => {
     // Convert React Flow state to our flowchart types
@@ -692,14 +921,27 @@ function FlowchartEditorInner({ projectId, initialData, needsMigration }: Flowch
     setToast({ message: 'Exported to Ren\'Py format successfully', type: 'success' })
   }, [nodes, edges, projectName])
 
+  const handleExportAnyway = useCallback(() => {
+    setValidationIssues(null)
+    setWarningNodeIds(new Set())
+    handleExportRenpy()
+  }, [handleExportRenpy])
+
+  const handleExportCancel = useCallback(() => {
+    setValidationIssues(null)
+    setWarningNodeIds(new Set())
+  }, [])
+
   // Check if current flowchart has unsaved changes
   const hasUnsavedChanges = useCallback(() => {
     const currentData: FlowchartData = {
       nodes: fromReactFlowNodes(nodes),
       edges: fromReactFlowEdges(edges),
+      characters,
+      variables,
     }
     return !flowchartDataEquals(currentData, initialData)
-  }, [nodes, edges, initialData])
+  }, [nodes, edges, characters, variables, initialData])
 
   // Load imported data into React Flow
   const loadImportedData = useCallback(
@@ -804,6 +1046,134 @@ function FlowchartEditorInner({ projectId, initialData, needsMigration }: Flowch
     [setEdges]
   )
 
+  // Context menu handlers
+  const closeContextMenu = useCallback(() => {
+    setContextMenu(null)
+  }, [])
+
+  const onPaneContextMenu = useCallback(
+    (event: React.MouseEvent) => {
+      event.preventDefault()
+      setContextMenu({
+        x: event.clientX,
+        y: event.clientY,
+        type: 'canvas',
+      })
+    },
+    []
+  )
+
+  const onNodeContextMenu: NodeMouseHandler = useCallback(
+    (event, node) => {
+      event.preventDefault()
+      setContextMenu({
+        x: event.clientX,
+        y: event.clientY,
+        type: 'node',
+        nodeId: node.id,
+      })
+    },
+    []
+  )
+
+  const onEdgeContextMenu: EdgeMouseHandler = useCallback(
+    (event, edge) => {
+      event.preventDefault()
+      setContextMenu({
+        x: event.clientX,
+        y: event.clientY,
+        type: 'edge',
+        edgeId: edge.id,
+      })
+    },
+    []
+  )
+
+  const handleAddNodeAtPosition = useCallback(
+    (type: 'dialogue' | 'choice' | 'variable') => {
+      if (!contextMenu) return
+      const position = screenToFlowPosition({
+        x: contextMenu.x,
+        y: contextMenu.y,
+      })
+
+      let newNode: Node
+      if (type === 'dialogue') {
+        newNode = {
+          id: nanoid(),
+          type: 'dialogue',
+          position,
+          data: { speaker: '', text: '' },
+        }
+      } else if (type === 'choice') {
+        newNode = {
+          id: nanoid(),
+          type: 'choice',
+          position,
+          data: {
+            prompt: '',
+            options: [
+              { id: nanoid(), label: '' },
+              { id: nanoid(), label: '' },
+            ],
+          },
+        }
+      } else {
+        newNode = {
+          id: nanoid(),
+          type: 'variable',
+          position,
+          data: {
+            variableName: '',
+            operation: 'set',
+            value: 0,
+          },
+        }
+      }
+
+      setNodes((nodes) => [...nodes, newNode])
+      setContextMenu(null)
+    },
+    [contextMenu, screenToFlowPosition, setNodes]
+  )
+
+  const handleDeleteNode = useCallback(() => {
+    if (!contextMenu?.nodeId) return
+    setNodes((nodes) => nodes.filter((n) => n.id !== contextMenu.nodeId))
+    setContextMenu(null)
+  }, [contextMenu, setNodes])
+
+  const handleDeleteEdge = useCallback(() => {
+    if (!contextMenu?.edgeId) return
+    setEdges((edges) => edges.filter((e) => e.id !== contextMenu.edgeId))
+    setContextMenu(null)
+  }, [contextMenu, setEdges])
+
+  const openConditionEditor = useCallback(
+    (edgeId: string) => {
+      const edge = edges.find((e) => e.id === edgeId)
+      if (!edge) return
+      setConditionEditor({
+        edgeId,
+        condition: edge.data?.condition,
+      })
+    },
+    [edges]
+  )
+
+  const handleAddCondition = useCallback(() => {
+    if (!contextMenu?.edgeId) return
+    openConditionEditor(contextMenu.edgeId)
+    setContextMenu(null)
+  }, [contextMenu, openConditionEditor])
+
+  const onEdgeDoubleClick = useCallback(
+    (_event: React.MouseEvent, edge: Edge) => {
+      openConditionEditor(edge.id)
+    },
+    [openConditionEditor]
+  )
+
   // Apply warning styles to nodes with undefined references
   const styledNodes = useMemo(
     () =>
@@ -825,13 +1195,15 @@ function FlowchartEditorInner({ projectId, initialData, needsMigration }: Flowch
 
   return (
     <EditorProvider value={editorContextValue}>
-      <div className="flex h-full w-full flex-col">
+      <div className="flex h-screen w-full flex-col">
         <Toolbar
           onAddDialogue={handleAddDialogue}
           onAddChoice={handleAddChoice}
           onAddVariable={handleAddVariable}
           onSave={handleSave}
+          isSaving={isSaving}
           onExport={handleExport}
+          onExportRenpy={handleExportRenpy}
           onImport={handleImport}
           onProjectSettings={() => setShowSettings(true)}
           onShare={() => setShowShare(true)}
@@ -843,11 +1215,16 @@ function FlowchartEditorInner({ projectId, initialData, needsMigration }: Flowch
             nodes={styledNodes}
             edges={edges}
             nodeTypes={nodeTypes}
+            edgeTypes={edgeTypes}
             onNodesChange={onNodesChange}
             onEdgesChange={onEdgesChange}
             onEdgesDelete={onEdgesDelete}
             onEdgeClick={onEdgeClick}
             onConnect={onConnect}
+            onPaneContextMenu={onPaneContextMenu}
+            onNodeContextMenu={onNodeContextMenu}
+            onEdgeContextMenu={onEdgeContextMenu}
+            onEdgeDoubleClick={onEdgeDoubleClick}
             deleteKeyCode={['Delete', 'Backspace']}
             fitView
           >
@@ -855,6 +1232,21 @@ function FlowchartEditorInner({ projectId, initialData, needsMigration }: Flowch
             <Controls position="bottom-right" />
           </ReactFlow>
         </div>
+        {contextMenu && (
+          <ContextMenu
+            x={contextMenu.x}
+            y={contextMenu.y}
+            type={contextMenu.type}
+            onClose={closeContextMenu}
+            onAddDialogue={() => handleAddNodeAtPosition('dialogue')}
+            onAddChoice={() => handleAddNodeAtPosition('choice')}
+            onAddVariable={() => handleAddNodeAtPosition('variable')}
+            onDelete={
+              contextMenu.type === 'node' ? handleDeleteNode : handleDeleteEdge
+            }
+            onAddCondition={handleAddCondition}
+          />
+        )}
         {showSettings && (
           <ProjectSettingsModal
             projectId={projectId}

src/components/editor/Toolbar.tsx

@@ -1,5 +1,6 @@
 'use client'
 
+import Link from 'next/link'
 import type { ConnectionState, PresenceUser } from '@/lib/collaboration/realtime'
 import PresenceAvatars from './PresenceAvatars'
 
@@ -8,6 +9,7 @@ type ToolbarProps = {
   onAddChoice: () => void
   onAddVariable: () => void
   onSave: () => void
+  isSaving?: boolean
   onExport: () => void
   onExportRenpy: () => void
   onImport: () => void
@@ -36,6 +38,7 @@ export default function Toolbar({
   onAddChoice,
   onAddVariable,
   onSave,
+  isSaving,
   onExport,
   onExportRenpy,
   onImport,
@@ -47,6 +50,15 @@ export default function Toolbar({
   return (
     <div className="flex items-center justify-between border-b border-zinc-200 bg-zinc-50 px-4 py-2 dark:border-zinc-700 dark:bg-zinc-800">
       <div className="flex items-center gap-2">
+        <Link
+          href="/dashboard"
+          className="mr-2 flex items-center gap-1 text-zinc-600 hover:text-zinc-900 dark:text-zinc-400 dark:hover:text-zinc-50"
+          title="Back to Dashboard"
+        >
+          <svg xmlns="http://www.w3.org/2000/svg" className="h-5 w-5" viewBox="0 0 20 20" fill="currentColor">
+            <path fillRule="evenodd" d="M9.707 16.707a1 1 0 01-1.414 0l-6-6a1 1 0 010-1.414l6-6a1 1 0 011.414 1.414L5.414 9H17a1 1 0 110 2H5.414l4.293 4.293a1 1 0 010 1.414z" clipRule="evenodd" />
+          </svg>
+        </Link>
         <span className="mr-2 text-sm font-medium text-zinc-500 dark:text-zinc-400">
           Add Node:
         </span>

src/components/editor/nodes/ChoiceNode.tsx

@@ -23,8 +23,11 @@ const MAX_OPTIONS = 6
 
 export default function ChoiceNode({ id, data }: NodeProps<ChoiceNodeData>) {
   const { setNodes } = useReactFlow()
+  const { variables } = useEditorContext() // Puxa as variáveis globais para validar condições
   const [editingConditionOptionId, setEditingConditionOptionId] = useState<string | null>(null)
 
+  // --- Handlers de Atualização ---
+
   const updatePrompt = useCallback(
     (e: ChangeEvent<HTMLInputElement>) => {
       setNodes((nodes) =>
@@ -59,26 +62,43 @@ export default function ChoiceNode({ id, data }: NodeProps<ChoiceNodeData>) {
     [id, setNodes]
   )
 
-  const updateOptionCondition = useCallback(
+  const handleSaveCondition = useCallback((optionId: string, condition: Condition) => {
-    (optionId: string, condition: Condition | undefined) => {
+    setNodes((nodes) =>
-      setNodes((nodes) =>
+      nodes.map((node) =>
-        nodes.map((node) =>
+        node.id === id
-          node.id === id
+          ? {
-            ? {
+              ...node,
-                ...node,
+              data: {
-                data: {
+                ...node.data,
-                  ...node.data,
+                options: node.data.options.map((opt: ChoiceOption) =>
-                  options: node.data.options.map((opt: ChoiceOption) =>
+                  opt.id === optionId ? { ...opt, condition } : opt
-                    opt.id === optionId ? { ...opt, condition } : opt
+                ),
-                  ),
+              },
-                },
+            }
-              }
+          : node
-            : node
-        )
       )
-    },
+    )
-    [id, setNodes]
+    setEditingConditionOptionId(null)
-  )
+  }, [id, setNodes])
+
+  const handleRemoveCondition = useCallback((optionId: string) => {
+    setNodes((nodes) =>
+      nodes.map((node) =>
+        node.id === id
+          ? {
+              ...node,
+              data: {
+                ...node.data,
+                options: node.data.options.map((opt: ChoiceOption) =>
+                  opt.id === optionId ? { ...opt, condition: undefined } : opt
+                ),
+              },
+            }
+          : node
+      )
+    )
+    setEditingConditionOptionId(null)
+  }, [id, setNodes])
 
   const addOption = useCallback(() => {
     if (data.options.length >= MAX_OPTIONS) return
@@ -89,10 +109,7 @@ export default function ChoiceNode({ id, data }: NodeProps<ChoiceNodeData>) {
               ...node,
               data: {
                 ...node.data,
-                options: [
+                options: [...node.data.options, { id: nanoid(), label: '' }],
-                  ...node.data.options,
-                  { id: nanoid(), label: '' },
-                ],
               },
             }
           : node
@@ -110,9 +127,7 @@ export default function ChoiceNode({ id, data }: NodeProps<ChoiceNodeData>) {
                 ...node,
                 data: {
                   ...node.data,
-                  options: node.data.options.filter(
+                  options: node.data.options.filter((opt: ChoiceOption) => opt.id !== optionId),
-                    (opt: ChoiceOption) => opt.id !== optionId
-                  ),
                 },
               }
             : node
@@ -122,6 +137,8 @@ export default function ChoiceNode({ id, data }: NodeProps<ChoiceNodeData>) {
     [id, data.options.length, setNodes]
   )
 
+  // --- Auxiliares ---
+
   const editingOption = useMemo(() => {
     if (!editingConditionOptionId) return null
     return data.options.find((opt) => opt.id === editingConditionOptionId) || null
@@ -136,186 +153,102 @@ export default function ChoiceNode({ id, data }: NodeProps<ChoiceNodeData>) {
   )
 
   return (
-    <>
+    <div className="min-w-[240px] rounded-lg border-2 border-green-500 bg-white p-3 shadow-md dark:border-green-400 dark:bg-zinc-900">
-      <div className="min-w-[220px] rounded-lg border-2 border-green-500 bg-green-50 p-3 shadow-md dark:border-green-400 dark:bg-green-950">
+      <Handle type="target" position={Position.Top} className="!bg-green-500" />
-        <Handle
+      
-          type="target"
+      <div className="mb-2 flex items-center justify-between">
-          position={Position.Top}
+        <span className="text-[10px] font-bold uppercase text-green-600">Choice Node</span>
-          id="input"
-          className="!h-3 !w-3 !border-2 !border-green-500 !bg-white dark:!bg-zinc-800"
-        />
-
-        <div className="mb-2 text-xs font-semibold uppercase tracking-wide text-green-700 dark:text-green-300">
-          Choice
-        </div>
-
-        <input
-          type="text"
-          value={data.prompt || ''}
-          onChange={updatePrompt}
-          placeholder="What do you choose?"
-          className="mb-3 w-full rounded border border-green-300 bg-white px-2 py-1 text-sm focus:border-green-500 focus:outline-none focus:ring-1 focus:ring-green-500 dark:border-green-600 dark:bg-zinc-800 dark:text-white dark:placeholder-zinc-400"
-        />
-
-        <div className="space-y-2">
-          {data.options.map((option, index) => (
-            <div key={option.id}>
-              <div className="relative flex items-center gap-1">
-                <input
-                  type="text"
-                  value={option.label}
-                  onChange={(e) => updateOptionLabel(option.id, e.target.value)}
-                  placeholder={`Option ${index + 1}`}
-                  className="flex-1 rounded border border-green-300 bg-white px-2 py-1 text-sm focus:border-green-500 focus:outline-none focus:ring-1 focus:ring-green-500 dark:border-green-600 dark:bg-zinc-800 dark:text-white dark:placeholder-zinc-400"
-                />
-                <button
-                  type="button"
-                  onClick={() => setEditingConditionOptionId(option.id)}
-                  className={`flex h-6 w-6 items-center justify-center rounded text-xs ${
-                    option.condition?.variableId
-                      ? hasInvalidConditionReference(option)
-                        ? 'bg-orange-100 text-orange-600 ring-1 ring-orange-500 dark:bg-orange-900/30 dark:text-orange-400'
-                        : 'bg-blue-100 text-blue-600 dark:bg-blue-900/30 dark:text-blue-400'
-                      : 'text-zinc-400 hover:bg-zinc-100 dark:hover:bg-zinc-700'
-                  }`}
-                  title={option.condition?.variableId ? 'Edit condition' : 'Add condition'}
-                >
-                  <svg className="h-3.5 w-3.5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                    <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M9 5H7a2 2 0 00-2 2v12a2 2 0 002 2h10a2 2 0 002-2V7a2 2 0 00-2-2h-2M9 5a2 2 0 002 2h2a2 2 0 002-2M9 5a2 2 0 012-2h2a2 2 0 012 2" />
-                  </svg>
-                </button>
-                <button
-                  type="button"
-                  onClick={() => removeOption(option.id)}
-                  disabled={data.options.length <= MIN_OPTIONS}
-                  className="flex h-6 w-6 items-center justify-center rounded text-red-500 hover:bg-red-100 disabled:cursor-not-allowed disabled:opacity-30 disabled:hover:bg-transparent dark:hover:bg-red-900/30"
-                  title="Remove option"
-                >
-                  ×
-                </button>
-                <Handle
-                  type="source"
-                  position={Position.Bottom}
-                  id={`option-${index}`}
-                  className="!h-3 !w-3 !border-2 !border-green-500 !bg-white dark:!bg-zinc-800"
-                  style={{
-                    left: `${((index + 1) / (data.options.length + 1)) * 100}%`,
-                  }}
-                />
-              </div>
-              {option.condition?.variableId && (
-                <div className={`mt-0.5 ml-1 text-[10px] ${
-                  hasInvalidConditionReference(option)
-                    ? 'text-orange-500 dark:text-orange-400'
-                    : 'text-zinc-500 dark:text-zinc-400'
-                }`}>
-                  if {option.condition.variableName} {option.condition.operator} {String(option.condition.value)}
-                </div>
-              )}
-            </div>
-          ))}
-        </div>
-
-        <button
-          type="button"
-          onClick={addOption}
-          disabled={data.options.length >= MAX_OPTIONS}
-          className="mt-2 flex w-full items-center justify-center gap-1 rounded border border-dashed border-green-400 py-1 text-sm text-green-600 hover:bg-green-100 disabled:cursor-not-allowed disabled:opacity-30 disabled:hover:bg-transparent dark:border-green-500 dark:text-green-400 dark:hover:bg-green-900/30"
-          title="Add option"
-        >
-          + Add Option
-        </button>
       </div>
 
       <input
         type="text"
         value={data.prompt || ''}
         onChange={updatePrompt}
-        placeholder="What do you choose?"
+        placeholder="Dialogue prompt..."
-        className="mb-3 w-full rounded border border-green-300 bg-white px-2 py-1 text-sm focus:border-green-500 focus:outline-none focus:ring-1 focus:ring-green-500 dark:border-green-600 dark:bg-zinc-800 dark:text-white dark:placeholder-zinc-400"
+        className="mb-3 w-full rounded border border-zinc-200 bg-zinc-50 px-2 py-1 text-sm focus:outline-none focus:ring-1 focus:ring-green-500 dark:border-zinc-700 dark:bg-zinc-800"
       />
 
-      <div className="space-y-2">
+      <div className="space-y-3">
         {data.options.map((option, index) => (
-          <div key={option.id}>
+          <div key={option.id} className="group relative">
-            <div className="relative flex items-center gap-1">
+            <div className="flex items-center gap-1">
               <input
                 type="text"
                 value={option.label}
                 onChange={(e) => updateOptionLabel(option.id, e.target.value)}
                 placeholder={`Option ${index + 1}`}
-                className="flex-1 rounded border border-green-300 bg-white px-2 py-1 text-sm focus:border-green-500 focus:outline-none focus:ring-1 focus:ring-green-500 dark:border-green-600 dark:bg-zinc-800 dark:text-white dark:placeholder-zinc-400"
+                className="flex-1 rounded border border-zinc-200 px-2 py-1 text-xs focus:outline-none focus:ring-1 focus:ring-green-500 dark:border-zinc-700 dark:bg-zinc-800"
               />
+              
+              {/* Botão de Condição */}
               <button
-                type="button"
                 onClick={() => setEditingConditionOptionId(option.id)}
-                className={`flex h-6 w-6 items-center justify-center rounded text-xs ${
+                className={`p-1 rounded transition-colors ${
-                  option.condition
+                  option.condition 
-                    ? 'bg-amber-100 text-amber-700 hover:bg-amber-200 dark:bg-amber-900/50 dark:text-amber-300 dark:hover:bg-amber-900/70'
+                    ? hasInvalidConditionReference(option)
-                    : 'text-zinc-400 hover:bg-zinc-100 hover:text-zinc-600 dark:text-zinc-500 dark:hover:bg-zinc-700 dark:hover:text-zinc-300'
+                      ? 'bg-red-100 text-red-600 dark:bg-red-900/30'
+                      : 'bg-amber-100 text-amber-600 dark:bg-amber-900/30'
+                    : 'text-zinc-400 hover:bg-zinc-100 dark:hover:bg-zinc-800'
                 }`}
-                title={option.condition ? `Condition: ${option.condition.variableName} ${option.condition.operator} ${option.condition.value}` : 'Add condition'}
               >
-                {option.condition ? (
+                <svg className="w-3.5 h-3.5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
-                  <svg xmlns="http://www.w3.org/2000/svg" className="h-3.5 w-3.5" viewBox="0 0 20 20" fill="currentColor">
+                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M13 10V3L4 14h7v7l9-11h-7z" />
-                    <path fillRule="evenodd" d="M11.3 1.046A1 1 0 0112 2v5h4a1 1 0 01.82 1.573l-7 10A1 1 0 018 18v-5H4a1 1 0 01-.82-1.573l7-10a1 1 0 011.12-.38z" clipRule="evenodd" />
+                </svg>
-                  </svg>
-                ) : (
-                  <svg xmlns="http://www.w3.org/2000/svg" className="h-3.5 w-3.5" viewBox="0 0 20 20" fill="currentColor">
-                    <path fillRule="evenodd" d="M11.3 1.046A1 1 0 0112 2v5h4a1 1 0 01.82 1.573l-7 10A1 1 0 018 18v-5H4a1 1 0 01-.82-1.573l7-10a1 1 0 011.12-.38z" clipRule="evenodd" />
-                  </svg>
-                )}
               </button>
+
               <button
-                type="button"
                 onClick={() => removeOption(option.id)}
-                disabled={data.options.length <= MIN_OPTIONS}
+                className="text-zinc-400 hover:text-red-500"
-                className="flex h-6 w-6 items-center justify-center rounded text-red-500 hover:bg-red-100 disabled:cursor-not-allowed disabled:opacity-30 disabled:hover:bg-transparent dark:hover:bg-red-900/30"
-                title="Remove option"
               >
-                &times;
+                <svg className="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                  <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={2} d="M6 18L18 6M6 6l12 12" />
+                </svg>
               </button>
-              <Handle
-                type="source"
-                position={Position.Bottom}
-                id={`option-${index}`}
-                className="!h-3 !w-3 !border-2 !border-green-500 !bg-white dark:!bg-zinc-800"
-                style={{
-                  left: `${((index + 1) / (data.options.length + 1)) * 100}%`,
-                }}
-              />
             </div>
+
+            {/* Visualização da Condição */}
             {option.condition && (
-              <div className="ml-1 mt-0.5 flex items-center gap-1">
+              <div className={`mt-1 text-[9px] font-mono px-1 rounded ${
-                <span className="inline-flex items-center rounded-sm bg-amber-100 px-1.5 py-0.5 text-[10px] font-medium text-amber-800 dark:bg-amber-900/40 dark:text-amber-300">
+                hasInvalidConditionReference(option) ? 'text-red-500 bg-red-50' : 'text-amber-600 bg-amber-50'
-                  if {option.condition.variableName} {option.condition.operator} {option.condition.value}
+              }`}>
-                </span>
+                IF: {option.condition.variableName} {option.condition.operator} {option.condition.value}
+                {hasInvalidConditionReference(option) && " (Variable Missing!)"}
               </div>
             )}
+
+            <Handle
+              type="source"
+              position={Position.Bottom}
+              id={option.id}
+              style={{ left: `${((index + 1) / (data.options.length + 1)) * 100}%` }}
+              className="!bg-green-500"
+            />
           </div>
         ))}
       </div>
 
       <button
-        type="button"
         onClick={addOption}
         disabled={data.options.length >= MAX_OPTIONS}
-        className="mt-2 flex w-full items-center justify-center gap-1 rounded border border-dashed border-green-400 py-1 text-sm text-green-600 hover:bg-green-100 disabled:cursor-not-allowed disabled:opacity-30 disabled:hover:bg-transparent dark:border-green-500 dark:text-green-400 dark:hover:bg-green-900/30"
+        className="mt-3 w-full border border-dashed border-zinc-300 py-1 text-[10px] text-zinc-500 hover:bg-zinc-50 disabled:opacity-50 dark:border-zinc-700 dark:hover:bg-zinc-800"
-        title="Add option"
       >
         + Add Option
       </button>
 
+      {/* Modal de Edição de Condição */}
       {editingOption && (
         <OptionConditionEditor
-          optionId={editingOption.id}
-          optionLabel={editingOption.label}
           condition={editingOption.condition}
-          onSave={handleSaveCondition}
+          onChange={(cond) => {
-          onRemove={handleRemoveCondition}
+            if (cond) {
-          onCancel={() => setEditingConditionOptionId(null)}
+              handleSaveCondition(editingOption.id, cond)
+            } else {
+              handleRemoveCondition(editingOption.id)
+            }
+          }}
+          onClose={() => setEditingConditionOptionId(null)}
         />
       )}
     </div>
   )
-}
+}

src/lib/collaboration/crdt.ts

@@ -27,16 +27,14 @@ export class CRDTManager {
     this.edgesMap = this.doc.getMap('edges')
     this.callbacks = callbacks
 
-    // Listen for remote Yjs document changes
+    // Schedule persistence on local Yjs document changes
     this.nodesMap.observe(() => {
       if (this.isApplyingRemote) return
-      this.notifyNodesChange()
       this.schedulePersist()
     })
 
     this.edgesMap.observe(() => {
       if (this.isApplyingRemote) return
-      this.notifyEdgesChange()
       this.schedulePersist()
     })
 

supabase/migrations/20260124000000_fix_rls_infinite_recursion.sql

@@ -0,0 +1,174 @@
+-- Migration: Fix infinite recursion in RLS policies
+-- Problem: Self-referencing policies and circular dependencies between
+-- projects <-> project_collaborators cause infinite recursion.
+-- Solution: Use SECURITY DEFINER functions to bypass RLS for permission checks.
+
+-- =============================================================================
+-- HELPER FUNCTIONS (SECURITY DEFINER bypasses RLS)
+-- =============================================================================
+
+-- Check if the current user is an admin
+CREATE OR REPLACE FUNCTION is_admin()
+RETURNS boolean
+LANGUAGE sql
+SECURITY DEFINER
+STABLE
+AS $$
+  SELECT EXISTS (
+    SELECT 1 FROM profiles
+    WHERE id = auth.uid()
+    AND is_admin = true
+  );
+$$;
+
+-- Check if the current user is the owner of a project
+CREATE OR REPLACE FUNCTION is_project_owner(p_project_id uuid)
+RETURNS boolean
+LANGUAGE sql
+SECURITY DEFINER
+STABLE
+AS $$
+  SELECT EXISTS (
+    SELECT 1 FROM projects
+    WHERE id = p_project_id
+    AND user_id = auth.uid()
+  );
+$$;
+
+-- Check if the current user is a collaborator on a project (any role)
+CREATE OR REPLACE FUNCTION is_project_collaborator(p_project_id uuid)
+RETURNS boolean
+LANGUAGE sql
+SECURITY DEFINER
+STABLE
+AS $$
+  SELECT EXISTS (
+    SELECT 1 FROM project_collaborators
+    WHERE project_id = p_project_id
+    AND user_id = auth.uid()
+  );
+$$;
+
+-- Check if the current user is an editor or owner collaborator on a project
+CREATE OR REPLACE FUNCTION is_project_editor(p_project_id uuid)
+RETURNS boolean
+LANGUAGE sql
+SECURITY DEFINER
+STABLE
+AS $$
+  SELECT EXISTS (
+    SELECT 1 FROM project_collaborators
+    WHERE project_id = p_project_id
+    AND user_id = auth.uid()
+    AND role IN ('owner', 'editor')
+  );
+$$;
+
+-- =============================================================================
+-- FIX PROFILES POLICIES
+-- =============================================================================
+
+-- Drop the problematic admin policy (self-references profiles table)
+DROP POLICY IF EXISTS "Admins can view all profiles" ON profiles;
+
+-- Recreate using the helper function
+CREATE POLICY "Admins can view all profiles"
+  ON profiles
+  FOR SELECT
+  USING (is_admin());
+
+-- =============================================================================
+-- FIX PROJECT_COLLABORATORS POLICIES
+-- =============================================================================
+
+-- Drop the problematic SELECT policy (self-references project_collaborators)
+DROP POLICY IF EXISTS "Users can view collaborators for their projects" ON project_collaborators;
+
+-- Recreate without self-reference: user is either the collaborator row's user,
+-- the project owner, or already a collaborator on that project
+CREATE POLICY "Users can view collaborators for their projects"
+  ON project_collaborators
+  FOR SELECT
+  USING (
+    auth.uid() = user_id
+    OR is_project_owner(project_id)
+    OR is_project_collaborator(project_id)
+  );
+
+-- Drop and recreate INSERT/UPDATE/DELETE policies to use helper functions
+DROP POLICY IF EXISTS "Owners can add collaborators" ON project_collaborators;
+CREATE POLICY "Owners can add collaborators"
+  ON project_collaborators
+  FOR INSERT
+  WITH CHECK (is_project_owner(project_id));
+
+DROP POLICY IF EXISTS "Owners can update collaborators" ON project_collaborators;
+CREATE POLICY "Owners can update collaborators"
+  ON project_collaborators
+  FOR UPDATE
+  USING (is_project_owner(project_id))
+  WITH CHECK (is_project_owner(project_id));
+
+DROP POLICY IF EXISTS "Owners can remove collaborators" ON project_collaborators;
+CREATE POLICY "Owners can remove collaborators"
+  ON project_collaborators
+  FOR DELETE
+  USING (is_project_owner(project_id));
+
+-- =============================================================================
+-- FIX COLLABORATION_SESSIONS POLICIES
+-- =============================================================================
+
+-- Drop the SELECT policy that cross-references both projects and project_collaborators
+DROP POLICY IF EXISTS "Collaborators can view sessions" ON collaboration_sessions;
+
+CREATE POLICY "Collaborators can view sessions"
+  ON collaboration_sessions
+  FOR SELECT
+  USING (
+    is_project_owner(project_id)
+    OR is_project_collaborator(project_id)
+  );
+
+-- =============================================================================
+-- FIX AUDIT_TRAIL POLICIES
+-- =============================================================================
+
+DROP POLICY IF EXISTS "Collaborators can view audit trail" ON audit_trail;
+CREATE POLICY "Collaborators can view audit trail"
+  ON audit_trail
+  FOR SELECT
+  USING (
+    is_project_owner(project_id)
+    OR is_project_collaborator(project_id)
+  );
+
+DROP POLICY IF EXISTS "Collaborators can write audit entries" ON audit_trail;
+CREATE POLICY "Collaborators can write audit entries"
+  ON audit_trail
+  FOR INSERT
+  WITH CHECK (
+    auth.uid() = user_id
+    AND (
+      is_project_owner(project_id)
+      OR is_project_editor(project_id)
+    )
+  );
+
+-- =============================================================================
+-- FIX PROJECTS POLICIES (collaborator access)
+-- =============================================================================
+
+-- Drop the policies that query project_collaborators (creating circular deps)
+DROP POLICY IF EXISTS "Collaborators can view shared projects" ON projects;
+CREATE POLICY "Collaborators can view shared projects"
+  ON projects
+  FOR SELECT
+  USING (is_project_collaborator(id));
+
+DROP POLICY IF EXISTS "Collaborators can update shared projects" ON projects;
+CREATE POLICY "Collaborators can update shared projects"
+  ON projects
+  FOR UPDATE
+  USING (is_project_editor(id))
+  WITH CHECK (is_project_editor(id));