feat(IterativeContextBuilder): Add iterative AI-driven context builder and integrate into task factory; add tests and iterative configuration

ts/context/config-manager.ts

@@ -9,7 +9,8 @@ import type {
   ICacheConfig,
   IAnalyzerConfig,
   IPrioritizationWeights,
-  ITierConfig
+  ITierConfig,
+  IIterativeConfig
 } from './types.js';
 
 /**
@@ -98,6 +99,13 @@ export class ConfigManager {
         essential: { minScore: 0.8, trimLevel: 'none' },
         important: { minScore: 0.5, trimLevel: 'light' },
         optional: { minScore: 0.2, trimLevel: 'aggressive' }
+      },
+      iterative: {
+        maxIterations: 5,
+        firstPassFileLimit: 10,
+        subsequentPassFileLimit: 5,
+        temperature: 0.3,
+        model: 'gpt-4-turbo-preview'
       }
     };
   }
@@ -156,15 +164,15 @@ export class ConfigManager {
    */
   private mergeConfigs(defaultConfig: IContextConfig, userConfig: Partial<IContextConfig>): IContextConfig {
     const result: IContextConfig = { ...defaultConfig };
-    
+
     // Merge top-level properties
     if (userConfig.maxTokens !== undefined) result.maxTokens = userConfig.maxTokens;
     if (userConfig.defaultMode !== undefined) result.defaultMode = userConfig.defaultMode;
-    
+
     // Merge task-specific settings
     if (userConfig.taskSpecificSettings) {
       result.taskSpecificSettings = result.taskSpecificSettings || {};
-      
+
       // For each task type, merge settings
       (['readme', 'commit', 'description'] as TaskType[]).forEach(taskType => {
         if (userConfig.taskSpecificSettings?.[taskType]) {
@@ -175,7 +183,7 @@ export class ConfigManager {
         }
       });
     }
-    
+
     // Merge trimming configuration
     if (userConfig.trimming) {
       result.trimming = {
@@ -216,6 +224,14 @@ export class ConfigManager {
       };
     }
 
+    // Merge iterative configuration
+    if (userConfig.iterative) {
+      result.iterative = {
+        ...result.iterative,
+        ...userConfig.iterative
+      };
+    }
+
     return result;
   }
   
@@ -331,6 +347,19 @@ export class ConfigManager {
     };
   }
 
+  /**
+   * Get iterative configuration
+   */
+  public getIterativeConfig(): IIterativeConfig {
+    return this.config.iterative || {
+      maxIterations: 5,
+      firstPassFileLimit: 10,
+      subsequentPassFileLimit: 5,
+      temperature: 0.3,
+      model: 'gpt-4-turbo-preview'
+    };
+  }
+
   /**
    * Clear the config cache (force reload on next access)
    */