fixes issue with perplexity model used by default (now sonar-pro in all cases). Fixes an issue preventing analyzeTaskComplexity to work as designed. Fixes an issue that prevented parse-prd from working. Stubs in the test for analyzeTaskComplexity to be done later.

scripts/modules/ai-services.js

@@ -305,7 +305,7 @@ async function generateSubtasksWithPerplexity(task, numSubtasks = 3, nextSubtask
     log('info', `Researching context for task ${task.id}: ${task.title}`);
     const perplexityClient = getPerplexityClient();
     
-    const PERPLEXITY_MODEL = process.env.PERPLEXITY_MODEL || 'sonar-small-online';
+    const PERPLEXITY_MODEL = process.env.PERPLEXITY_MODEL || 'sonar-pro';
     const researchLoadingIndicator = startLoadingIndicator('Researching best practices with Perplexity AI...');
     
     // Formulate research query based on task
@@ -493,13 +493,13 @@ function parseSubtasksFromText(text, startId, expectedCount, parentTaskId) {
 
 /**
  * Generate a prompt for complexity analysis
- * @param {Array} tasksData - Tasks data
+ * @param {Object} tasksData - Tasks data object containing tasks array
  * @returns {string} Generated prompt
  */
 function generateComplexityAnalysisPrompt(tasksData) {
   return `Analyze the complexity of the following tasks and provide recommendations for subtask breakdown:
 
-${tasksData.map(task => `
+${tasksData.tasks.map(task => `
 Task ID: ${task.id}
 Title: ${task.title}
 Description: ${task.description}

scripts/modules/commands.js

@@ -52,10 +52,27 @@ function registerCommands(programInstance) {
   programInstance
     .command('parse-prd')
     .description('Parse a PRD file and generate tasks')
-    .argument('<file>', 'Path to the PRD file')
+    .argument('[file]', 'Path to the PRD file')
     .option('-o, --output <file>', 'Output file path', 'tasks/tasks.json')
     .option('-n, --num-tasks <number>', 'Number of tasks to generate', '10')
     .action(async (file, options) => {
+      if (!file) {
+        console.log(chalk.yellow('No PRD file specified.'));
+        console.log(boxen(
+          chalk.white.bold('Parse PRD Help') + '\n\n' +
+          chalk.cyan('Usage:') + '\n' +
+          `  task-master parse-prd <prd-file.txt> [options]\n\n` +
+          chalk.cyan('Options:') + '\n' +
+          '  -o, --output <file>       Output file path (default: "tasks/tasks.json")\n' +
+          '  -n, --num-tasks <number>  Number of tasks to generate (default: 10)\n\n' +
+          chalk.cyan('Example:') + '\n' +
+          '  task-master parse-prd requirements.txt --num-tasks 15\n\n' +
+          chalk.yellow('Note: This command will generate tasks from a PRD document and will overwrite any existing tasks.json file.'),
+          { padding: 1, borderColor: 'blue', borderStyle: 'round' }
+        ));
+        return;
+      }
+      
       const numTasks = parseInt(options.numTasks, 10);
       const outputPath = options.output;
       

scripts/modules/task-manager.js

@@ -207,7 +207,7 @@ The changes described in the prompt should be applied to ALL tasks in the list.`
         log('info', 'Using Perplexity AI for research-backed task updates');
         
         // Call Perplexity AI using format consistent with ai-services.js
-        const perplexityModel = process.env.PERPLEXITY_MODEL || 'sonar-small-online';
+        const perplexityModel = process.env.PERPLEXITY_MODEL || 'sonar-pro';
         const result = await perplexity.chat.completions.create({
           model: perplexityModel,
           messages: [
@@ -1756,7 +1756,7 @@ Your response must be a clean JSON array only, following exactly this format:
 DO NOT include any text before or after the JSON array. No explanations, no markdown formatting.`;
           
           const result = await perplexity.chat.completions.create({
-            model: PERPLEXITY_MODEL,
+            model: process.env.PERPLEXITY_MODEL || 'sonar-pro',
             messages: [
               {
                 role: "system", 
@@ -1767,8 +1767,8 @@ DO NOT include any text before or after the JSON array. No explanations, no mark
                 content: researchPrompt
               }
             ],
-            temperature: TEMPERATURE,
-            max_tokens: MAX_TOKENS,
+            temperature: CONFIG.temperature,
+            max_tokens: CONFIG.maxTokens,
           });
           
           // Extract the response text
@@ -1889,7 +1889,13 @@ DO NOT include any text before or after the JSON array. No explanations, no mark
           // 3. Replace single quotes with double quotes for property values
           cleanedResponse = cleanedResponse.replace(/:(\s*)'([^']*)'(\s*[,}])/g, ':$1"$2"$3');
           
-          // 4. Add a special fallback option if we're still having issues
+          // 4. Fix unterminated strings - common with LLM responses
+          const untermStringPattern = /:(\s*)"([^"]*)(?=[,}])/g;
+          cleanedResponse = cleanedResponse.replace(untermStringPattern, ':$1"$2"');
+          
+          // 5. Fix multi-line strings by replacing newlines
+          cleanedResponse = cleanedResponse.replace(/:(\s*)"([^"]*)\n([^"]*)"/g, ':$1"$2 $3"');
+          
           try {
             complexityAnalysis = JSON.parse(cleanedResponse);
             console.log(chalk.green("Successfully parsed JSON after fixing common issues"));
@@ -2006,7 +2012,7 @@ Your response must be a clean JSON array only, following exactly this format:
 DO NOT include any text before or after the JSON array. No explanations, no markdown formatting.`;
 
               const result = await perplexity.chat.completions.create({
-                model: PERPLEXITY_MODEL,
+                model: process.env.PERPLEXITY_MODEL || 'sonar-pro',
                 messages: [
                   {
                     role: "system", 
@@ -2017,8 +2023,8 @@ DO NOT include any text before or after the JSON array. No explanations, no mark
                     content: missingTasksResearchPrompt
                   }
                 ],
-                temperature: TEMPERATURE,
-                max_tokens: MAX_TOKENS,
+                temperature: CONFIG.temperature,
+                max_tokens: CONFIG.maxTokens,
               });
               
               // Extract the response

scripts/modules/ui.js

@@ -391,7 +391,7 @@ function displayHelp() {
      `${chalk.dim('Optional')}${chalk.reset('')}`],
     [`${chalk.yellow('PERPLEXITY_MODEL')}${chalk.reset('')}`, 
      `${chalk.white('Perplexity model to use')}${chalk.reset('')}`, 
-     `${chalk.dim('Default: sonar-small-online')}${chalk.reset('')}`],
+     `${chalk.dim('Default: sonar-pro')}${chalk.reset('')}`],
     [`${chalk.yellow('DEBUG')}${chalk.reset('')}`, 
      `${chalk.white('Enable debug logging')}${chalk.reset('')}`, 
      `${chalk.dim(`Default: ${CONFIG.debug}`)}${chalk.reset('')}`],