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// Architect Agent with Memory
class ArchitectAgent extends LettaEnhancedAgent {
  async designSystem(requirements: string) {
    // Retrieve past architectural decisions
    const memory = await this.getLettaMemory();
    const pastPatterns = memory.patterns || [];
    
    // Design with context awareness
    const design = await this.callClaude({
      systemPrompt: this.getPersona(),
      context: {
        requirements,
        pastPatterns,
        techStack: memory.techStack,
        scalabilityNeeds: this.assessScalability(requirements)
      }
    });
    
    // Store decision for future reference
    await this.storeLettaMemory({
      decision: design,
      timestamp: new Date(),
      reasoning: design.reasoning
    });
    
    return design;
  }
}

// Generated API Route with Type Safety
import { NextRequest, NextResponse } from 'next/server';
import { z } from 'zod';
import { prisma } from '@/lib/db';

const createUserSchema = z.object({
  email: z.string().email(),
  name: z.string().min(1).max(255),
  role: z.enum(['admin', 'user'])
});

export async function POST(req: NextRequest) {
  try {
    const body = await req.json();
    const validated = createUserSchema.parse(body);
    
    // Check for existing user
    const existing = await prisma.user.findUnique({
      where: { email: validated.email }
    });
    
    if (existing) {
      return NextResponse.json(
        { error: 'User already exists' },
        { status: 409 }
      );
    }
    
    // Create user with transaction
    const user = await prisma.user.create({
      data: validated,
      select: {
        id: true,
        email: true,
        name: true,
        role: true,
        createdAt: true
      }
    });
    
    return NextResponse.json(user, { status: 201 });
  } catch (error) {
    if (error instanceof z.ZodError) {
      return NextResponse.json(
        { error: 'Validation failed', details: error.errors },
        { status: 400 }
      );
    }
    return NextResponse.json(
      { error: 'Internal server error' },
      { status: 500 }
    );
  }
}

// Predictive Analytics Engine
class AnalyticsEngine {
  async predictBottlenecks(teamId: string) {
    // Gather historical data
    const commits = await this.getCommitHistory(teamId, 30);
    const prs = await this.getPRMetrics(teamId, 30);
    const velocity = this.calculateVelocity(commits);
    
    // Analyze current sprint
    const activeTasks = await this.getActiveTasks(teamId);
    const predictions = activeTasks.map(task => {
      const complexity = this.assessComplexity(task);
      const assigneeVelocity = velocity[task.assignee];
      const timeRemaining = task.deadline - Date.now();
      
      // Predict completion probability
      const completionProb = this.predictCompletion({
        complexity,
        velocity: assigneeVelocity,
        timeRemaining,
        historicalData: commits
      });
      
      return {
        taskId: task.id,
        completionProbability: completionProb,
        isAtRisk: completionProb < 0.7,
        recommendedAction: completionProb < 0.7
          ? 'Reassign or extend deadline'
          : 'On track'
      };
    });
    
    return predictions.filter(p => p.isAtRisk);
  }
  
  private predictCompletion(params: PredictionParams): number {
    // ML model for completion prediction
    const features = [
      params.complexity / 10,
      params.velocity,
      params.timeRemaining / (24 * 60 * 60 * 1000)
    ];
    return this.mlModel.predict(features);
  }
}

// Session Recorder with Compression
class SessionRecorder {
  private events: RecordingEvent[] = [];
  private lastSnapshot: string = '';
  
  recordEvent(event: CodeChangeEvent) {
    // Store only diff from last state
    const diff = this.computeDiff(
      this.lastSnapshot,
      event.content
    );
    
    this.events.push({
      type: event.type,
      timestamp: Date.now(),
      diff: diff, // Much smaller than full content
      metadata: {
        file: event.file,
        cursor: event.cursor,
        aiSuggestion: event.aiSuggestion
      }
    });
    
    this.lastSnapshot = event.content;
  }
  
  async stopRecording() {
    // Compress event stream
    const compressed = await brotli.compress(
      JSON.stringify(this.events)
    );
    
    // Store in database
    await db.sessionRecordings.create({
      userId: this.userId,
      projectId: this.projectId,
      duration: this.getDuration(),
      events: compressed, // ~100KB for 1hr session
      highlights: this.extractHighlights(),
      createdAt: new Date()
    });
    
    return {
      size: compressed.length,
      eventCount: this.events.length,
      compressionRatio: this.getCompressionRatio()
    };
  }
}