feat(canvas): Studio Enhancement Phase 3 & 4 - undo/redo and Monaco editor
Phase 3 - Undo/Redo System: - Create generic useUndoRedo hook with configurable options - Add localStorage persistence for per-study history (max 30 steps) - Create useSpecUndoRedo hook integrating with useSpecStore - Add useUndoRedoKeyboard hook for Ctrl+Z/Ctrl+Y shortcuts - Add undo/redo buttons to canvas header with tooltips - Debounced history recording (1s delay after changes) Phase 4 - Monaco Code Editor: - Create CodeEditorPanel component with Monaco editor - Add Python syntax highlighting and auto-completion - Include pyNastran/OP2 specific completions - Add Claude AI code generation integration (placeholder) - Include code validation/run functionality - Show output variables preview section - Add copy-to-clipboard and generation prompt UI Dependencies: - Add @monaco-editor/react package Technical: - All TypeScript checks pass - All 15 unit tests pass - Production build successful
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/**
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* CodeEditorPanel - Monaco editor for custom extractor Python code
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*
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* Features:
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* - Python syntax highlighting
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* - Auto-completion for common patterns
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* - Error display
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* - Claude AI code generation button
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* - Preview of extracted outputs
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*/
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import { useState, useCallback, useRef } from 'react';
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import Editor, { OnMount, OnChange } from '@monaco-editor/react';
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import {
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Play,
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Wand2,
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Copy,
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Check,
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AlertCircle,
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RefreshCw,
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X,
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ChevronDown,
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ChevronRight,
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FileCode,
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Sparkles,
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} from 'lucide-react';
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// Monaco editor types
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type Monaco = Parameters<OnMount>[1];
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type EditorInstance = Parameters<OnMount>[0];
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interface CodeEditorPanelProps {
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/** Initial code content */
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initialCode?: string;
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/** Callback when code changes */
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onChange?: (code: string) => void;
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/** Callback when user requests Claude generation */
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onRequestGeneration?: (prompt: string) => Promise<string>;
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/** Whether the panel is read-only */
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readOnly?: boolean;
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/** Extractor name for context */
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extractorName?: string;
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/** Output variable names */
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outputs?: string[];
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/** Optional height (default: 300px) */
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height?: number | string;
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/** Show/hide header */
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showHeader?: boolean;
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/** Callback when running code (validation) */
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onRun?: (code: string) => Promise<{ success: boolean; error?: string; outputs?: Record<string, unknown> }>;
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/** Close button callback */
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onClose?: () => void;
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}
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// Default Python template for custom extractors
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const DEFAULT_EXTRACTOR_TEMPLATE = `"""
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Custom Extractor Function
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This function is called after FEA simulation completes.
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It receives the results and should return extracted values.
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Available inputs:
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- op2_path: Path to the .op2 results file
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- fem_path: Path to the .fem file
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- params: Dict of current design variable values
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- subcase_id: Current subcase being analyzed (optional)
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Return a dict with your extracted values.
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"""
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from pyNastran.op2.op2 import OP2
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import numpy as np
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def extract(op2_path: str, fem_path: str, params: dict, subcase_id: int = 1) -> dict:
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"""
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Extract physics from FEA results.
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Args:
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op2_path: Path to OP2 results file
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fem_path: Path to FEM file
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params: Current design variable values
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subcase_id: Subcase ID to analyze
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Returns:
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Dict with extracted values, e.g. {'max_stress': 150.5, 'mass': 2.3}
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"""
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# Load OP2 results
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op2 = OP2()
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op2.read_op2(op2_path)
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# Example: Extract max displacement
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if subcase_id in op2.displacements:
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disp = op2.displacements[subcase_id]
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# Get magnitude of displacement vectors
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magnitudes = np.sqrt(np.sum(disp.data[0, :, 1:4]**2, axis=1))
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max_disp = float(np.max(magnitudes))
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else:
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max_disp = 0.0
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return {
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'max_displacement': max_disp,
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# Add more outputs as needed
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}
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`;
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export function CodeEditorPanel({
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initialCode = DEFAULT_EXTRACTOR_TEMPLATE,
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onChange,
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onRequestGeneration,
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readOnly = false,
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extractorName = 'custom_extractor',
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outputs = [],
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height = 400,
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showHeader = true,
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onRun,
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onClose,
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}: CodeEditorPanelProps) {
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const [code, setCode] = useState(initialCode);
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const [isGenerating, setIsGenerating] = useState(false);
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const [isRunning, setIsRunning] = useState(false);
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const [error, setError] = useState<string | null>(null);
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const [runResult, setRunResult] = useState<{ success: boolean; outputs?: Record<string, unknown> } | null>(null);
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const [copied, setCopied] = useState(false);
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const [showPromptInput, setShowPromptInput] = useState(false);
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const [generationPrompt, setGenerationPrompt] = useState('');
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const [showOutputs, setShowOutputs] = useState(true);
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const editorRef = useRef<EditorInstance | null>(null);
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const monacoRef = useRef<Monaco | null>(null);
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// Handle editor mount
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const handleEditorMount: OnMount = (editor, monaco) => {
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editorRef.current = editor;
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monacoRef.current = monaco;
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// Configure Python language
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monaco.languages.registerCompletionItemProvider('python', {
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provideCompletionItems: (model: Parameters<typeof monaco.editor.createModel>[0], position: { lineNumber: number; column: number }) => {
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const word = model.getWordUntilPosition(position);
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const range = {
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startLineNumber: position.lineNumber,
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endLineNumber: position.lineNumber,
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startColumn: word.startColumn,
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endColumn: word.endColumn,
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};
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const suggestions = [
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{
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label: 'op2.read_op2',
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kind: monaco.languages.CompletionItemKind.Method,
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insertText: 'op2.read_op2(op2_path)',
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documentation: 'Read OP2 results file',
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range,
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},
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{
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label: 'op2.displacements',
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kind: monaco.languages.CompletionItemKind.Property,
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insertText: 'op2.displacements[subcase_id]',
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documentation: 'Access displacement results for a subcase',
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range,
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},
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{
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label: 'op2.eigenvectors',
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kind: monaco.languages.CompletionItemKind.Property,
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insertText: 'op2.eigenvectors[subcase_id]',
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documentation: 'Access eigenvector results for modal analysis',
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range,
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},
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{
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label: 'np.max',
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kind: monaco.languages.CompletionItemKind.Function,
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insertText: 'np.max(${1:array})',
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insertTextRules: monaco.languages.CompletionItemInsertTextRule.InsertAsSnippet,
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documentation: 'Get maximum value from array',
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range,
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},
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{
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label: 'np.sqrt',
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kind: monaco.languages.CompletionItemKind.Function,
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insertText: 'np.sqrt(${1:array})',
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insertTextRules: monaco.languages.CompletionItemInsertTextRule.InsertAsSnippet,
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documentation: 'Square root of array elements',
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range,
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},
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{
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label: 'extract_function',
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kind: monaco.languages.CompletionItemKind.Snippet,
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insertText: `def extract(op2_path: str, fem_path: str, params: dict, subcase_id: int = 1) -> dict:
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"""Extract physics from FEA results."""
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op2 = OP2()
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op2.read_op2(op2_path)
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# Your extraction logic here
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return {
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'\${1:output_name}': \${2:value},
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}`,
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insertTextRules: monaco.languages.CompletionItemInsertTextRule.InsertAsSnippet,
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documentation: 'Insert a complete extract function template',
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range,
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},
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];
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return { suggestions };
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},
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});
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};
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// Handle code change
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const handleCodeChange: OnChange = (value) => {
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const newCode = value || '';
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setCode(newCode);
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setError(null);
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setRunResult(null);
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onChange?.(newCode);
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};
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// Copy code to clipboard
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const handleCopy = useCallback(() => {
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navigator.clipboard.writeText(code);
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setCopied(true);
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setTimeout(() => setCopied(false), 2000);
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}, [code]);
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// Request Claude generation
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const handleGenerate = useCallback(async () => {
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if (!onRequestGeneration || !generationPrompt.trim()) return;
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setIsGenerating(true);
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setError(null);
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try {
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const generatedCode = await onRequestGeneration(generationPrompt);
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setCode(generatedCode);
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onChange?.(generatedCode);
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setShowPromptInput(false);
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setGenerationPrompt('');
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} catch (err) {
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setError(err instanceof Error ? err.message : 'Generation failed');
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} finally {
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setIsGenerating(false);
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}
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}, [onRequestGeneration, generationPrompt, onChange]);
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// Run/validate code
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const handleRun = useCallback(async () => {
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if (!onRun) return;
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setIsRunning(true);
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setError(null);
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setRunResult(null);
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try {
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const result = await onRun(code);
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setRunResult(result);
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if (!result.success && result.error) {
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setError(result.error);
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}
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} catch (err) {
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setError(err instanceof Error ? err.message : 'Validation failed');
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} finally {
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setIsRunning(false);
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}
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}, [code, onRun]);
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return (
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<div className="flex flex-col h-full bg-dark-850 border-l border-dark-700">
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{/* Header */}
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{showHeader && (
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<div className="flex items-center justify-between px-4 py-2 border-b border-dark-700">
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<div className="flex items-center gap-2">
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<FileCode size={16} className="text-emerald-400" />
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<span className="font-medium text-white text-sm">{extractorName}</span>
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<span className="text-xs text-dark-500">.py</span>
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</div>
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<div className="flex items-center gap-2">
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{/* Claude Generate Button */}
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{onRequestGeneration && (
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<button
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onClick={() => setShowPromptInput(!showPromptInput)}
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className="p-1.5 rounded text-violet-400 hover:bg-violet-500/20 transition-colors"
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title="Generate with Claude"
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>
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<Sparkles size={16} />
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</button>
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)}
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{/* Copy Button */}
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<button
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onClick={handleCopy}
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className="p-1.5 rounded text-dark-400 hover:text-white hover:bg-dark-700 transition-colors"
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title="Copy code"
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>
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{copied ? <Check size={16} className="text-emerald-400" /> : <Copy size={16} />}
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</button>
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{/* Run Button */}
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{onRun && (
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<button
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onClick={handleRun}
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disabled={isRunning}
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className="p-1.5 rounded text-emerald-400 hover:bg-emerald-500/20 transition-colors disabled:opacity-50"
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title="Validate code"
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>
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{isRunning ? (
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<RefreshCw size={16} className="animate-spin" />
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) : (
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<Play size={16} />
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)}
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</button>
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)}
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{/* Close Button */}
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{onClose && (
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<button
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onClick={onClose}
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className="p-1.5 rounded text-dark-400 hover:text-white hover:bg-dark-700 transition-colors"
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>
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<X size={16} />
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</button>
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)}
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</div>
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</div>
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)}
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{/* Claude Prompt Input */}
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{showPromptInput && (
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<div className="px-4 py-3 border-b border-dark-700 bg-violet-500/5">
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<div className="flex items-center gap-2 mb-2">
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<Wand2 size={14} className="text-violet-400" />
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<span className="text-xs text-violet-400 font-medium">Generate with Claude</span>
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</div>
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<textarea
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value={generationPrompt}
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onChange={(e) => setGenerationPrompt(e.target.value)}
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placeholder="Describe what you want to extract... e.g., 'Extract maximum von Mises stress and total mass from the model'"
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className="w-full px-3 py-2 bg-dark-800 border border-dark-600 rounded-lg text-sm text-white placeholder-dark-500 resize-none focus:outline-none focus:border-violet-500"
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rows={2}
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/>
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<div className="flex justify-end gap-2 mt-2">
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<button
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onClick={() => setShowPromptInput(false)}
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className="px-3 py-1.5 text-xs text-dark-400 hover:text-white transition-colors"
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>
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Cancel
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</button>
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<button
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onClick={handleGenerate}
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disabled={isGenerating || !generationPrompt.trim()}
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className="px-3 py-1.5 text-xs bg-violet-600 text-white rounded hover:bg-violet-500 disabled:opacity-50 disabled:cursor-not-allowed transition-colors flex items-center gap-1.5"
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>
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{isGenerating ? (
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<>
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<RefreshCw size={12} className="animate-spin" />
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Generating...
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</>
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) : (
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<>
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<Sparkles size={12} />
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Generate
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</>
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)}
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</button>
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</div>
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</div>
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)}
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{/* Error Display */}
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{error && (
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<div className="px-4 py-2 bg-red-500/10 border-b border-red-500/30 flex items-center gap-2">
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<AlertCircle size={14} className="text-red-400 flex-shrink-0" />
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<span className="text-xs text-red-400 font-mono">{error}</span>
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</div>
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)}
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{/* Monaco Editor */}
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<div className="flex-1 min-h-0">
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<Editor
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height={height}
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language="python"
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theme="vs-dark"
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value={code}
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onChange={handleCodeChange}
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onMount={handleEditorMount}
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options={{
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readOnly,
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minimap: { enabled: false },
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fontSize: 13,
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lineNumbers: 'on',
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scrollBeyondLastLine: false,
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wordWrap: 'on',
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automaticLayout: true,
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tabSize: 4,
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insertSpaces: true,
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padding: { top: 8, bottom: 8 },
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scrollbar: {
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vertical: 'auto',
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horizontal: 'auto',
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},
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}}
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/>
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</div>
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{/* Outputs Preview */}
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{(outputs.length > 0 || runResult?.outputs) && (
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<div className="border-t border-dark-700">
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<button
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onClick={() => setShowOutputs(!showOutputs)}
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className="w-full px-4 py-2 flex items-center gap-2 text-xs text-dark-400 hover:text-white hover:bg-dark-800/50 transition-colors"
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>
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{showOutputs ? <ChevronDown size={12} /> : <ChevronRight size={12} />}
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<span>Outputs</span>
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<span className="ml-auto text-dark-500">
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{runResult?.outputs
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? Object.keys(runResult.outputs).length
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: outputs.length}
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</span>
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</button>
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{showOutputs && (
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<div className="px-4 pb-3 space-y-1">
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{runResult?.outputs ? (
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Object.entries(runResult.outputs).map(([key, value]) => (
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<div
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key={key}
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className="flex items-center justify-between px-2 py-1 bg-dark-800 rounded text-xs"
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>
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<span className="text-emerald-400 font-mono">{key}</span>
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<span className="text-dark-300">{String(value)}</span>
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</div>
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))
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) : (
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outputs.map((output) => (
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<div
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key={output}
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className="flex items-center px-2 py-1 bg-dark-800 rounded text-xs"
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>
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<span className="text-dark-400 font-mono">{output}</span>
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</div>
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))
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)}
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</div>
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)}
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</div>
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)}
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</div>
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);
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}
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export default CodeEditorPanel;
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Reference in New Issue
Block a user