enh: support commands in note chat

src/lib/components/chat/MessageInput.svelte

@@ -31,6 +31,7 @@
 		compressImage,
 		createMessagesList,
 		extractCurlyBraceWords,
+		extractInputVariables,
 		getCurrentDateTime,
 		getFormattedDate,
 		getFormattedTime,
@@ -118,124 +119,6 @@
 		codeInterpreterEnabled
 	});
 
-	const extractInputVariables = (text: string): Record<string, any> => {
-		const regex = /{{\s*([^|}\s]+)\s*\|\s*([^}]+)\s*}}/g;
-		const regularRegex = /{{\s*([^|}\s]+)\s*}}/g;
-		const variables: Record<string, any> = {};
-		let match;
-		// Use exec() loop instead of matchAll() for better compatibility
-		while ((match = regex.exec(text)) !== null) {
-			const varName = match[1].trim();
-			const definition = match[2].trim();
-			variables[varName] = parseVariableDefinition(definition);
-		}
-		// Then, extract regular variables (without pipe) - only if not already processed
-		while ((match = regularRegex.exec(text)) !== null) {
-			const varName = match[1].trim();
-			// Only add if not already processed as custom variable
-			if (!variables.hasOwnProperty(varName)) {
-				variables[varName] = { type: 'text' }; // Default type for regular variables
-			}
-		}
-		return variables;
-	};
-
-	const splitProperties = (str: string, delimiter: string): string[] => {
-		const result: string[] = [];
-		let current = '';
-		let depth = 0;
-		let inString = false;
-		let escapeNext = false;
-
-		for (let i = 0; i < str.length; i++) {
-			const char = str[i];
-
-			if (escapeNext) {
-				current += char;
-				escapeNext = false;
-				continue;
-			}
-
-			if (char === '\\') {
-				current += char;
-				escapeNext = true;
-				continue;
-			}
-
-			if (char === '"' && !escapeNext) {
-				inString = !inString;
-				current += char;
-				continue;
-			}
-
-			if (!inString) {
-				if (char === '{' || char === '[') {
-					depth++;
-				} else if (char === '}' || char === ']') {
-					depth--;
-				}
-
-				if (char === delimiter && depth === 0) {
-					result.push(current.trim());
-					current = '';
-					continue;
-				}
-			}
-
-			current += char;
-		}
-
-		if (current.trim()) {
-			result.push(current.trim());
-		}
-
-		return result;
-	};
-
-	const parseVariableDefinition = (definition: string): Record<string, any> => {
-		// Use splitProperties for the main colon delimiter to handle quoted strings
-		const parts = splitProperties(definition, ':');
-		const [firstPart, ...propertyParts] = parts;
-
-		// Parse type (explicit or implied)
-		const type = firstPart.startsWith('type=') ? firstPart.slice(5) : firstPart;
-
-		// Parse properties using reduce
-		const properties = propertyParts.reduce((props, part) => {
-			// Use splitProperties for the equals sign as well, in case there are nested quotes
-			const equalsParts = splitProperties(part, '=');
-			const [propertyName, ...valueParts] = equalsParts;
-			const propertyValue = valueParts.join('='); // Handle values with = signs
-
-			return propertyName && propertyValue
-				? {
-						...props,
-						[propertyName.trim()]: parseJsonValue(propertyValue.trim())
-					}
-				: props;
-		}, {});
-
-		return { type, ...properties };
-	};
-
-	const parseJsonValue = (value: string): any => {
-		// Remove surrounding quotes if present (for string values)
-		if (value.startsWith('"') && value.endsWith('"')) {
-			return value.slice(1, -1);
-		}
-
-		// Check if it starts with square or curly brackets (JSON)
-		if (/^[\[{]/.test(value)) {
-			try {
-				return JSON.parse(value);
-			} catch {
-				return value; // Return as string if JSON parsing fails
-			}
-		}
-
-		return value;
-	};
-
 	const inputVariableHandler = async (text: string) => {
 		inputVariables = extractInputVariables(text);
 		if (Object.keys(inputVariables).length > 0) {