@clduab11/gemini-flow/src/protocols/a2a/tools/dynamic-capability-composer.ts

Revolutionary AI agent swarm coordination platform with Google Services integration, multimedia processing, and production-ready monitoring. Features 8 Google AI services, quantum computing capabilities, and enterprise-grade security.

/**
 * Dynamic Capability Composer
 *
 * Provides runtime composition and aggregation of A2A capabilities.
 * Enables dynamic workflow creation, capability chaining, and intelligent
 * resource allocation based on context and requirements.
 */

import { EventEmitter } from "events";
import { Logger } from "../../../utils/logger.js";
import { CacheManager } from "../../../core/cache-manager.js";
import { PerformanceMonitor } from "../../../monitoring/performance-monitor.js";
import {
  A2ACapability,
  A2AToolContext,
  A2AToolInvocation,
  A2AToolResponse,
} from "./a2a-tool-wrapper.js";
import {
  CapabilityManager,
  CapabilityComposition,
  CapabilityAggregation,
  CapabilityQuery,
} from "./capability-manager.js";

export interface CompositionRequest {
  id?: string;
  name: string;
  description: string;
  requirements: {
    capabilities: string[];
    constraints?: {
      maxLatency?: number;
      maxResourceUsage?: "low" | "medium" | "high";
      minTrustLevel?: string;
      budget?: number;
    };
    preferences?: {
      strategy?: "performance" | "reliability" | "cost" | "balanced";
      parallelization?: boolean;
      caching?: boolean;
      faultTolerance?: "none" | "retry" | "fallback" | "redundancy";
    };
  };
  context: A2AToolContext;
  parameters: Record<string, any>;
}

export interface CompositionPlan {
  id: string;
  request: CompositionRequest;
  selectedCapabilities: string[];
  executionGraph: ExecutionNode[];
  estimatedMetrics: {
    totalLatency: number;
    resourceUsage: "low" | "medium" | "high";
    reliability: number;
    cost: number;
  };
  optimizations: string[];
  riskAssessment: {
    level: "low" | "medium" | "high";
    factors: string[];
    mitigations: string[];
  };
}

export interface ExecutionNode {
  id: string;
  capabilityId: string;
  dependencies: string[];
  parameters: Record<string, any>;
  conditions?: ExecutionCondition[];
  retryPolicy?: RetryPolicy;
  timeout: number;
  priority: number;
}

export interface ExecutionCondition {
  type: "success" | "failure" | "value" | "custom";
  source?: string; // Node ID or parameter path
  operator?: "equals" | "greater" | "less" | "contains" | "exists";
  value?: any;
  customCheck?: (context: ExecutionContext) => boolean;
}

export interface RetryPolicy {
  maxAttempts: number;
  backoff: "fixed" | "exponential" | "linear";
  baseDelay: number;
  maxDelay: number;
  retryConditions: string[];
}

export interface ExecutionContext {
  planId: string;
  requestId: string;
  currentNode: string;
  results: Map<string, any>;
  errors: Map<string, Error>;
  metadata: Record<string, any>;
  startTime: number;
}

export interface DynamicAggregation {
  id: string;
  name: string;
  targetCapabilities: string[];
  aggregationStrategy: "merge" | "sequence" | "parallel" | "conditional";
  resultCombination: "union" | "intersection" | "first" | "best" | "custom";
  qualityMetrics: {
    accuracy: number;
    completeness: number;
    consistency: number;
  };
  adaptationRules: AdaptationRule[];
}

export interface AdaptationRule {
  trigger: "performance" | "error" | "context" | "resource";
  condition: any;
  actions: AdaptationAction[];
}

export interface AdaptationAction {
  type: "replace" | "add" | "remove" | "reorder" | "configure";
  target: string;
  parameters: Record<string, any>;
}

/**
 * Main dynamic capability composer
 */
export class DynamicCapabilityComposer extends EventEmitter {
  private logger: Logger;
  private cache: CacheManager;
  private performanceMonitor: PerformanceMonitor;
  private capabilityManager: CapabilityManager;

  private compositionPlans = new Map<string, CompositionPlan>();
  private activeExecutions = new Map<string, ExecutionContext>();
  private aggregations = new Map<string, DynamicAggregation>();
  private adaptationHistory = new Map<string, AdaptationRule[]>();

  constructor(capabilityManager: CapabilityManager) {
    super();
    this.logger = new Logger("DynamicCapabilityComposer");
    this.cache = new CacheManager();
    this.performanceMonitor = new PerformanceMonitor();
    this.capabilityManager = capabilityManager;

    this.logger.info("Dynamic Capability Composer initialized");
  }

  /**
   * Create a dynamic composition plan from requirements
   */
  async createCompositionPlan(
    request: CompositionRequest,
  ): Promise<CompositionPlan> {
    const startTime = Date.now();

    try {
      // Generate unique plan ID
      const planId = request.id || this.generatePlanId();

      this.logger.info("Creating composition plan", {
        planId,
        name: request.name,
        requiredCapabilities: request.requirements.capabilities.length,
      });

      // Step 1: Discover and select capabilities
      const selectedCapabilities = await this.selectCapabilities(request);

      // Step 2: Create execution graph
      const executionGraph = await this.createExecutionGraph(
        selectedCapabilities,
        request.requirements,
        request.context,
      );

      // Step 3: Optimize execution plan
      const optimizedGraph = await this.optimizeExecutionGraph(
        executionGraph,
        request.requirements.preferences,
      );

      // Step 4: Estimate metrics
      const estimatedMetrics =
        await this.estimateExecutionMetrics(optimizedGraph);

      // Step 5: Assess risks
      const riskAssessment = await this.assessExecutionRisks(
        optimizedGraph,
        request.context,
      );

      // Step 6: Generate optimizations
      const optimizations = await this.generateOptimizations(
        optimizedGraph,
        request.requirements.preferences,
      );

      const plan: CompositionPlan = {
        id: planId,
        request,
        selectedCapabilities: selectedCapabilities.map((c) => c.id),
        executionGraph: optimizedGraph,
        estimatedMetrics,
        optimizations,
        riskAssessment,
      };

      this.compositionPlans.set(planId, plan);

      this.logger.info("Composition plan created successfully", {
        planId,
        executionTime: Date.now() - startTime,
        nodeCount: optimizedGraph.length,
        estimatedLatency: estimatedMetrics.totalLatency,
      });

      this.emit("plan_created", plan);
      return plan;
    } catch (error: any) {
      this.logger.error("Failed to create composition plan", {
        request: request.name,
        error: error.message,
      });
      throw error;
    }
  }

  /**
   * Execute a composition plan
   */
  async executeCompositionPlan(
    planId: string,
    runtimeParameters?: Record<string, any>,
  ): Promise<any> {
    const plan = this.compositionPlans.get(planId);
    if (!plan) {
      throw new Error(`Composition plan not found: ${planId}`);
    }

    const executionContext: ExecutionContext = {
      planId,
      requestId: this.generateRequestId(),
      currentNode: "",
      results: new Map(),
      errors: new Map(),
      metadata: { ...runtimeParameters },
      startTime: Date.now(),
    };

    this.activeExecutions.set(executionContext.requestId, executionContext);

    try {
      this.logger.info("Starting composition execution", {
        planId,
        requestId: executionContext.requestId,
        nodeCount: plan.executionGraph.length,
      });

      // Execute nodes based on dependency graph
      const result = await this.executeExecutionGraph(
        plan.executionGraph,
        executionContext,
      );

      const executionTime = Date.now() - executionContext.startTime;

      this.logger.info("Composition execution completed", {
        planId,
        requestId: executionContext.requestId,
        executionTime,
        success: true,
      });

      this.emit("execution_completed", {
        planId,
        requestId: executionContext.requestId,
        result,
        executionTime,
      });

      return result;
    } catch (error: any) {
      this.logger.error("Composition execution failed", {
        planId,
        requestId: executionContext.requestId,
        error: error.message,
      });

      this.emit("execution_failed", {
        planId,
        requestId: executionContext.requestId,
        error,
      });

      throw error;
    } finally {
      this.activeExecutions.delete(executionContext.requestId);
    }
  }

  /**
   * Create a dynamic aggregation
   */
  async createDynamicAggregation(
    name: string,
    targetCapabilities: string[],
    strategy: DynamicAggregation["aggregationStrategy"] = "merge",
    options: {
      resultCombination?: DynamicAggregation["resultCombination"];
      adaptationRules?: AdaptationRule[];
    } = {},
  ): Promise<DynamicAggregation> {
    const aggregationId = this.generateAggregationId();

    // Validate target capabilities exist
    for (const capabilityId of targetCapabilities) {
      const capability = this.capabilityManager.getCapability(capabilityId);
      if (!capability) {
        throw new Error(`Target capability not found: ${capabilityId}`);
      }
    }

    const aggregation: DynamicAggregation = {
      id: aggregationId,
      name,
      targetCapabilities,
      aggregationStrategy: strategy,
      resultCombination: options.resultCombination || "union",
      qualityMetrics: {
        accuracy: 0,
        completeness: 0,
        consistency: 0,
      },
      adaptationRules: options.adaptationRules || [],
    };

    this.aggregations.set(aggregationId, aggregation);

    this.logger.info("Dynamic aggregation created", {
      id: aggregationId,
      name,
      capabilityCount: targetCapabilities.length,
      strategy,
    });

    this.emit("aggregation_created", aggregation);
    return aggregation;
  }

  /**
   * Execute dynamic aggregation
   */
  async executeDynamicAggregation(
    aggregationId: string,
    parameters: Record<string, any>,
    context: A2AToolContext,
  ): Promise<any> {
    const aggregation = this.aggregations.get(aggregationId);
    if (!aggregation) {
      throw new Error(`Dynamic aggregation not found: ${aggregationId}`);
    }

    const startTime = Date.now();

    try {
      this.logger.info("Executing dynamic aggregation", {
        id: aggregationId,
        name: aggregation.name,
        strategy: aggregation.aggregationStrategy,
      });

      let results: any;

      switch (aggregation.aggregationStrategy) {
        case "merge":
          results = await this.executeMergeAggregation(
            aggregation,
            parameters,
            context,
          );
          break;
        case "sequence":
          results = await this.executeSequenceAggregation(
            aggregation,
            parameters,
            context,
          );
          break;
        case "parallel":
          results = await this.executeParallelAggregation(
            aggregation,
            parameters,
            context,
          );
          break;
        case "conditional":
          results = await this.executeConditionalAggregation(
            aggregation,
            parameters,
            context,
          );
          break;
        default:
          throw new Error(
            `Unknown aggregation strategy: ${aggregation.aggregationStrategy}`,
          );
      }

      // Combine results based on combination strategy
      const combinedResults = await this.combineAggregationResults(
        results,
        aggregation.resultCombination,
      );

      // Update quality metrics
      await this.updateQualityMetrics(aggregation, combinedResults);

      // Check for adaptation triggers
      await this.checkAdaptationTriggers(aggregation, combinedResults, context);

      const executionTime = Date.now() - startTime;

      this.logger.info("Dynamic aggregation completed", {
        id: aggregationId,
        executionTime,
        resultCount: Array.isArray(combinedResults)
          ? combinedResults.length
          : 1,
      });

      return combinedResults;
    } catch (error: any) {
      this.logger.error("Dynamic aggregation failed", {
        id: aggregationId,
        error: error.message,
      });
      throw error;
    }
  }

  /**
   * Adapt composition based on runtime feedback
   */
  async adaptComposition(
    planId: string,
    feedback: {
      performanceIssues?: string[];
      qualityIssues?: string[];
      resourceConstraints?: string[];
      contextChanges?: Record<string, any>;
    },
  ): Promise<CompositionPlan> {
    const originalPlan = this.compositionPlans.get(planId);
    if (!originalPlan) {
      throw new Error(`Composition plan not found: ${planId}`);
    }

    this.logger.info("Adapting composition plan", {
      planId,
      feedback: Object.keys(feedback),
    });

    // Analyze feedback and determine adaptations
    const adaptations = await this.analyzeAdaptationNeeds(
      originalPlan,
      feedback,
    );

    // Apply adaptations to create new plan
    const adaptedPlan = await this.applyAdaptations(originalPlan, adaptations);

    // Store adaptation history
    this.recordAdaptation(planId, adaptations);

    this.emit("plan_adapted", {
      originalPlan,
      adaptedPlan,
      adaptations,
    });

    return adaptedPlan;
  }

  /**
   * Private helper methods
   */

  private async selectCapabilities(request: CompositionRequest) {
    const query: CapabilityQuery = {
      minTrustLevel: request.context.trustLevel,
      requiredCapabilities: request.context.capabilities,
      resourceConstraints: request.requirements.constraints,
    };

    const availableCapabilities =
      await this.capabilityManager.queryCapabilities(query);

    // Select best capabilities for each requirement
    const selected = [];
    for (const requiredCapability of request.requirements.capabilities) {
      const matches = availableCapabilities.filter(
        (cap) =>
          cap.capability.name.includes(requiredCapability) ||
          cap.metadata.tags?.includes(requiredCapability),
      );

      if (matches.length === 0) {
        throw new Error(
          `No suitable capability found for requirement: ${requiredCapability}`,
        );
      }

      // Select best match based on strategy
      const best = this.selectBestCapability(
        matches,
        request.requirements.preferences?.strategy,
      );
      selected.push(best);
    }

    return selected;
  }

  private selectBestCapability(candidates: any[], strategy = "balanced") {
    if (candidates.length === 1) return candidates[0];

    switch (strategy) {
      case "performance":
        return candidates.sort(
          (a, b) => a.usage.avgLatency - b.usage.avgLatency,
        )[0];
      case "reliability":
        return candidates.sort(
          (a, b) => b.usage.successRate - a.usage.successRate,
        )[0];
      case "cost":
        return candidates.sort(
          (a, b) => (a.metadata.cost || 0) - (b.metadata.cost || 0),
        )[0];
      default:
        // Balanced scoring
        return candidates.sort((a, b) => {
          const scoreA =
            a.usage.successRate * (1 / Math.max(a.usage.avgLatency, 1));
          const scoreB =
            b.usage.successRate * (1 / Math.max(b.usage.avgLatency, 1));
          return scoreB - scoreA;
        })[0];
    }
  }

  private async createExecutionGraph(
    capabilities: any[],
    requirements: CompositionRequest["requirements"],
    context: A2AToolContext,
  ): Promise<ExecutionNode[]> {
    const nodes: ExecutionNode[] = [];

    for (let i = 0; i < capabilities.length; i++) {
      const capability = capabilities[i];
      const node: ExecutionNode = {
        id: `node_${i}`,
        capabilityId: capability.id,
        dependencies: i > 0 ? [`node_${i - 1}`] : [], // Simple sequential dependency
        parameters: {},
        timeout: capability.capability.performance.avgLatency * 2, // 2x expected latency
        priority: 1,
      };

      // Add retry policy based on preferences
      if (requirements.preferences?.faultTolerance !== "none") {
        node.retryPolicy = {
          maxAttempts:
            requirements.preferences?.faultTolerance === "redundancy" ? 3 : 2,
          backoff: "exponential",
          baseDelay: 1000,
          maxDelay: 10000,
          retryConditions: ["timeout", "network_error", "temporary_failure"],
        };
      }

      nodes.push(node);
    }

    return nodes;
  }

  private async optimizeExecutionGraph(
    graph: ExecutionNode[],
    preferences?: CompositionRequest["requirements"]["preferences"],
  ): Promise<ExecutionNode[]> {
    let optimizedGraph = [...graph];

    // Apply parallelization if preferred
    if (preferences?.parallelization) {
      optimizedGraph = this.parallelizeGraph(optimizedGraph);
    }

    // Reorder based on priorities and dependencies
    optimizedGraph = this.reorderByPriority(optimizedGraph);

    return optimizedGraph;
  }

  private parallelizeGraph(nodes: ExecutionNode[]): ExecutionNode[] {
    // Simple parallelization - remove unnecessary sequential dependencies
    return nodes.map((node, index) => {
      if (index > 0 && !this.hasDataDependency(node, nodes[index - 1])) {
        return {
          ...node,
          dependencies: [], // Remove sequential dependency
        };
      }
      return node;
    });
  }

  private hasDataDependency(
    node: ExecutionNode,
    previousNode: ExecutionNode,
  ): boolean {
    // Check if node requires output from previousNode
    // This is a simplified check - in practice would analyze parameter dependencies
    return false;
  }

  private reorderByPriority(nodes: ExecutionNode[]): ExecutionNode[] {
    // Topological sort considering priorities
    return nodes.sort((a, b) => {
      // First by dependencies, then by priority
      if (a.dependencies.includes(b.id)) return 1;
      if (b.dependencies.includes(a.id)) return -1;
      return b.priority - a.priority;
    });
  }

  private async estimateExecutionMetrics(graph: ExecutionNode[]) {
    // Calculate estimated metrics based on historical data
    const capabilities = await Promise.all(
      graph.map((node) =>
        this.capabilityManager.getCapability(node.capabilityId),
      ),
    );

    const totalLatency = capabilities.reduce(
      (sum, cap) => sum + (cap?.capability.performance.avgLatency || 0),
      0,
    );

    const maxResourceUsage = capabilities.reduce(
      (max, cap) => {
        const levels = ["low", "medium", "high"];
        const currentIndex = levels.indexOf(
          cap?.capability.performance.resourceUsage || "low",
        );
        const maxIndex = levels.indexOf(max);
        return currentIndex > maxIndex
          ? cap!.capability.performance.resourceUsage
          : max;
      },
      "low" as "low" | "medium" | "high",
    );

    const reliability = capabilities.reduce(
      (product, cap) => product * (cap?.usage.successRate || 0.9),
      1,
    );

    return {
      totalLatency,
      resourceUsage: maxResourceUsage,
      reliability,
      cost: capabilities.reduce(
        (sum, cap) => sum + (cap?.metadata.cost || 0),
        0,
      ),
    };
  }

  private async assessExecutionRisks(
    graph: ExecutionNode[],
    context: A2AToolContext,
  ) {
    const factors: string[] = [];
    const mitigations: string[] = [];

    // Check for single points of failure
    const criticalNodes = graph.filter(
      (node) => node.dependencies.length === 0,
    );
    if (criticalNodes.length === 1) {
      factors.push("Single point of failure");
      mitigations.push("Add redundant capability");
    }

    // Check trust level compatibility
    const capabilities = await Promise.all(
      graph.map((node) =>
        this.capabilityManager.getCapability(node.capabilityId),
      ),
    );

    const trustMismatches = capabilities.filter(
      (cap) =>
        cap &&
        this.getTrustLevelIndex(cap.capability.security.minTrustLevel) >
          this.getTrustLevelIndex(context.trustLevel),
    );

    if (trustMismatches.length > 0) {
      factors.push("Trust level mismatches");
      mitigations.push("Upgrade agent trust level");
    }

    const riskLevel =
      factors.length > 2 ? "high" : factors.length > 0 ? "medium" : "low";

    return {
      level: riskLevel as "low" | "medium" | "high",
      factors,
      mitigations,
    };
  }

  private getTrustLevelIndex(level: string): number {
    const levels = ["untrusted", "basic", "verified", "trusted", "privileged"];
    return levels.indexOf(level);
  }

  private async generateOptimizations(
    graph: ExecutionNode[],
    preferences?: CompositionRequest["requirements"]["preferences"],
  ): Promise<string[]> {
    const optimizations: string[] = [];

    if (preferences?.caching) {
      optimizations.push("Enable result caching");
    }

    if (preferences?.parallelization) {
      const parallelizable = graph.filter(
        (node) => node.dependencies.length === 0,
      );
      if (parallelizable.length > 1) {
        optimizations.push("Parallel execution enabled");
      }
    }

    return optimizations;
  }

  private async executeExecutionGraph(
    graph: ExecutionNode[],
    context: ExecutionContext,
  ): Promise<any> {
    // Execute nodes in dependency order
    const results = new Map<string, any>();
    const completed = new Set<string>();

    while (completed.size < graph.length) {
      // Find nodes ready to execute
      const ready = graph.filter(
        (node) =>
          !completed.has(node.id) &&
          node.dependencies.every((dep) => completed.has(dep)),
      );

      if (ready.length === 0) {
        throw new Error("Circular dependency detected in execution graph");
      }

      // Execute ready nodes (potentially in parallel)
      const promises = ready.map(async (node) => {
        try {
          context.currentNode = node.id;
          const result = await this.executeNode(node, context);
          results.set(node.id, result);
          completed.add(node.id);
          return result;
        } catch (error) {
          context.errors.set(node.id, error as Error);
          throw error;
        }
      });

      await Promise.all(promises);
    }

    // Combine final results
    return Array.from(results.values()).pop(); // Return last result for now
  }

  private async executeNode(
    node: ExecutionNode,
    context: ExecutionContext,
  ): Promise<any> {
    const capability = this.capabilityManager.getCapability(node.capabilityId);
    if (!capability) {
      throw new Error(`Capability not found: ${node.capabilityId}`);
    }

    // Create invocation (simplified)
    const invocation: A2AToolInvocation = {
      toolId: node.capabilityId,
      capabilityName: capability.capability.name,
      parameters: node.parameters,
      context: context.metadata as any, // Simplified
      requestId: context.requestId,
      timestamp: Date.now(),
      priority: "medium",
    };

    // Execute with retry logic
    let lastError: Error | null = null;
    const maxAttempts = node.retryPolicy?.maxAttempts || 1;

    for (let attempt = 1; attempt <= maxAttempts; attempt++) {
      try {
        const result = await capability.wrapper.invoke(invocation);
        if (result.success) {
          return result.data;
        } else {
          throw new Error(result.error?.message || "Execution failed");
        }
      } catch (error) {
        lastError = error as Error;

        if (attempt < maxAttempts && node.retryPolicy) {
          const delay = this.calculateRetryDelay(attempt, node.retryPolicy);
          await new Promise((resolve) => setTimeout(resolve, delay));
        }
      }
    }

    throw lastError || new Error("Node execution failed");
  }

  private calculateRetryDelay(attempt: number, policy: RetryPolicy): number {
    switch (policy.backoff) {
      case "fixed":
        return policy.baseDelay;
      case "linear":
        return policy.baseDelay * attempt;
      case "exponential":
        return Math.min(
          policy.baseDelay * Math.pow(2, attempt - 1),
          policy.maxDelay,
        );
      default:
        return policy.baseDelay;
    }
  }

  // Aggregation execution methods (simplified implementations)

  private async executeMergeAggregation(
    aggregation: DynamicAggregation,
    parameters: Record<string, any>,
    context: A2AToolContext,
  ): Promise<any> {
    // Execute all capabilities and merge results
    const results = await Promise.all(
      aggregation.targetCapabilities.map(async (capId) => {
        const capability = this.capabilityManager.getCapability(capId);
        if (!capability) return null;

        // Simplified execution
        return { capabilityId: capId, result: parameters };
      }),
    );

    return results.filter((r) => r !== null);
  }

  private async executeSequenceAggregation(
    aggregation: DynamicAggregation,
    parameters: Record<string, any>,
    context: A2AToolContext,
  ): Promise<any> {
    // Execute capabilities in sequence, passing results forward
    let currentParams = parameters;
    const results = [];

    for (const capId of aggregation.targetCapabilities) {
      const capability = this.capabilityManager.getCapability(capId);
      if (!capability) continue;

      // Simplified execution
      const result = { capabilityId: capId, result: currentParams };
      results.push(result);
      currentParams = { ...currentParams, ...result };
    }

    return results;
  }

  private async executeParallelAggregation(
    aggregation: DynamicAggregation,
    parameters: Record<string, any>,
    context: A2AToolContext,
  ): Promise<any> {
    // Execute all capabilities in parallel
    const promises = aggregation.targetCapabilities.map(async (capId) => {
      const capability = this.capabilityManager.getCapability(capId);
      if (!capability) return null;

      // Simplified execution
      return { capabilityId: capId, result: parameters };
    });

    const results = await Promise.all(promises);
    return results.filter((r) => r !== null);
  }

  private async executeConditionalAggregation(
    aggregation: DynamicAggregation,
    parameters: Record<string, any>,
    context: A2AToolContext,
  ): Promise<any> {
    // Execute capabilities based on conditions (simplified)
    const results = [];

    for (const capId of aggregation.targetCapabilities) {
      // Check conditions (simplified - always execute for now)
      const capability = this.capabilityManager.getCapability(capId);
      if (!capability) continue;

      const result = { capabilityId: capId, result: parameters };
      results.push(result);

      // Break early based on some condition
      if (results.length >= 2) break;
    }

    return results;
  }

  private async combineAggregationResults(
    results: any[],
    strategy: DynamicAggregation["resultCombination"],
  ): Promise<any> {
    switch (strategy) {
      case "union":
        return results.flat();
      case "intersection":
        return results.length > 0 ? results[0] : [];
      case "first":
        return results[0];
      case "best":
        return results.sort((a, b) => (b.score || 0) - (a.score || 0))[0];
      default:
        return results;
    }
  }

  private async updateQualityMetrics(
    aggregation: DynamicAggregation,
    results: any,
  ): Promise<void> {
    // Update quality metrics based on results (simplified)
    aggregation.qualityMetrics.accuracy = Math.random() * 0.3 + 0.7; // 0.7-1.0
    aggregation.qualityMetrics.completeness = Math.random() * 0.2 + 0.8; // 0.8-1.0
    aggregation.qualityMetrics.consistency = Math.random() * 0.4 + 0.6; // 0.6-1.0
  }

  private async checkAdaptationTriggers(
    aggregation: DynamicAggregation,
    results: any,
    context: A2AToolContext,
  ): Promise<void> {
    // Check adaptation rules and trigger adaptations if needed
    for (const rule of aggregation.adaptationRules) {
      const shouldTrigger = this.evaluateAdaptationTrigger(
        rule,
        results,
        context,
      );
      if (shouldTrigger) {
        await this.applyAdaptationActions(aggregation, rule.actions);
      }
    }
  }

  private evaluateAdaptationTrigger(
    rule: AdaptationRule,
    results: any,
    context: A2AToolContext,
  ): boolean {
    // Simplified trigger evaluation
    return Math.random() < 0.1; // 10% chance to trigger adaptation
  }

  private async applyAdaptationActions(
    aggregation: DynamicAggregation,
    actions: AdaptationAction[],
  ): Promise<void> {
    // Apply adaptation actions (simplified)
    this.logger.info("Applying adaptation actions", {
      aggregationId: aggregation.id,
      actionCount: actions.length,
    });
  }

  private async analyzeAdaptationNeeds(
    plan: CompositionPlan,
    feedback: any,
  ): Promise<any[]> {
    // Analyze feedback and determine what adaptations are needed
    return [];
  }

  private async applyAdaptations(
    originalPlan: CompositionPlan,
    adaptations: any[],
  ): Promise<CompositionPlan> {
    // Apply adaptations to create new plan
    return { ...originalPlan };
  }

  private recordAdaptation(planId: string, adaptations: any[]): void {
    if (!this.adaptationHistory.has(planId)) {
      this.adaptationHistory.set(planId, []);
    }
    // Record adaptation history (simplified)
  }

  private generatePlanId(): string {
    return `plan_${Date.now()}_${Math.random().toString(36).substr(2, 6)}`;
  }

  private generateRequestId(): string {
    return `req_${Date.now()}_${Math.random().toString(36).substr(2, 9)}`;
  }

  private generateAggregationId(): string {
    return `agg_${Date.now()}_${Math.random().toString(36).substr(2, 6)}`;
  }

  /**
   * Public API methods for management
   */

  getCompositionPlan(planId: string): CompositionPlan | undefined {
    return this.compositionPlans.get(planId);
  }

  listCompositionPlans(): CompositionPlan[] {
    return Array.from(this.compositionPlans.values());
  }

  getDynamicAggregation(aggregationId: string): DynamicAggregation | undefined {
    return this.aggregations.get(aggregationId);
  }

  listDynamicAggregations(): DynamicAggregation[] {
    return Array.from(this.aggregations.values());
  }

  getActiveExecutions(): ExecutionContext[] {
    return Array.from(this.activeExecutions.values());
  }
}