/** * Training Pipeline for SONA * * Comprehensive training infrastructure with metrics tracking, * learning rate scheduling, and checkpoint management. * * @example * ```typescript * import { TrainingPipeline, TrainingConfig } from '@ruvector/ruvllm'; * * const pipeline = new TrainingPipeline({ * learningRate: 0.001, * batchSize: 32, * epochs: 10, * }); * * // Add training data * pipeline.addBatch(inputs, targets, qualities); * * // Run training * const result = pipeline.train(); * console.log(`Final loss: ${result.finalLoss}`); * ``` */ import { LoraAdapter } from './lora'; import { EwcManager } from './sona'; /** * Default training config */ const DEFAULT_TRAINING_CONFIG = { learningRate: 0.001, batchSize: 32, epochs: 10, scheduler: 'cosine', warmupSteps: 100, weightDecay: 0.01, gradientClip: 1.0, earlyStoppingPatience: 3, checkpointInterval: 1, ewcLambda: 2000, validationSplit: 0.1, }; /** * Learning Rate Scheduler */ export class LRScheduler { constructor(config, totalSteps) { this.currentStep = 0; this.config = config; this.initialLR = config.learningRate; this.totalSteps = totalSteps; } /** * Get learning rate for current step */ getLR() { switch (this.config.scheduler) { case 'constant': return this.initialLR; case 'linear': return this.initialLR * (1 - this.currentStep / this.totalSteps); case 'cosine': return this.initialLR * 0.5 * (1 + Math.cos(Math.PI * this.currentStep / this.totalSteps)); case 'warmup': if (this.currentStep < this.config.warmupSteps) { return this.initialLR * (this.currentStep / this.config.warmupSteps); } // Cosine decay after warmup const decaySteps = this.totalSteps - this.config.warmupSteps; const decayProgress = (this.currentStep - this.config.warmupSteps) / decaySteps; return this.initialLR * 0.5 * (1 + Math.cos(Math.PI * decayProgress)); default: return this.initialLR; } } /** * Step the scheduler */ step() { this.currentStep++; } /** * Reset scheduler */ reset() { this.currentStep = 0; } } /** * Training Metrics Tracker */ export class MetricsTracker { constructor() { this.lossHistory = []; this.valLossHistory = []; this.gradNormHistory = []; this.startTime = Date.now(); this.stepTimes = []; } /** * Record training loss */ recordLoss(loss) { this.lossHistory.push(loss); } /** * Record validation loss */ recordValLoss(loss) { this.valLossHistory.push(loss); } /** * Record gradient norm */ recordGradNorm(norm) { this.gradNormHistory.push(norm); } /** * Record step time */ recordStepTime(ms) { this.stepTimes.push(ms); } /** * Get average loss over last N steps */ avgLoss(n = 100) { const recent = this.lossHistory.slice(-n); return recent.length > 0 ? recent.reduce((a, b) => a + b, 0) / recent.length : 0; } /** * Get average validation loss */ avgValLoss(n = 10) { const recent = this.valLossHistory.slice(-n); return recent.length > 0 ? recent.reduce((a, b) => a + b, 0) / recent.length : 0; } /** * Get steps per second */ stepsPerSecond() { if (this.stepTimes.length === 0) return 0; const avgStepTime = this.stepTimes.slice(-100).reduce((a, b) => a + b, 0) / Math.min(this.stepTimes.length, 100); return avgStepTime > 0 ? 1000 / avgStepTime : 0; } /** * Get ETA in seconds */ eta(remainingSteps) { const sps = this.stepsPerSecond(); return sps > 0 ? remainingSteps / sps : 0; } /** * Get best validation loss */ bestValLoss() { return this.valLossHistory.length > 0 ? Math.min(...this.valLossHistory) : Infinity; } /** * Get total duration */ duration() { return Date.now() - this.startTime; } /** * Get all loss history */ getLossHistory() { return [...this.lossHistory]; } /** * Get all validation loss history */ getValLossHistory() { return [...this.valLossHistory]; } /** * Reset tracker */ reset() { this.lossHistory = []; this.valLossHistory = []; this.gradNormHistory = []; this.stepTimes = []; this.startTime = Date.now(); } } /** * Training Pipeline * * Full training infrastructure for SONA models. */ export class TrainingPipeline { constructor(config, adapter) { this.scheduler = null; this.batches = []; this.checkpoints = []; this.currentEpoch = 0; this.currentStep = 0; this.bestValLoss = Infinity; this.patienceCounter = 0; this.config = { ...DEFAULT_TRAINING_CONFIG, ...config }; this.adapter = adapter || new LoraAdapter({ rank: 8 }); this.ewcManager = new EwcManager(this.config.ewcLambda); this.metrics = new MetricsTracker(); } /** * Add training batch */ addBatch(inputs, targets, qualities) { this.batches.push({ inputs, targets, qualities }); } /** * Add training data */ addData(data) { // Group into batches for (let i = 0; i < data.length; i += this.config.batchSize) { const batch = data.slice(i, i + this.config.batchSize); this.addBatch(batch.map(d => d.input), batch.map(d => d.target), batch.map(d => d.quality)); } } /** * Run training */ train() { const totalSteps = this.batches.length * this.config.epochs; this.scheduler = new LRScheduler(this.config, totalSteps); this.metrics.reset(); this.adapter.startTraining(this.config.learningRate); let earlyStopped = false; for (let epoch = 0; epoch < this.config.epochs; epoch++) { this.currentEpoch = epoch; // Shuffle batches const shuffledBatches = this.shuffleBatches(); // Split into train/val const valSize = Math.floor(shuffledBatches.length * this.config.validationSplit); const trainBatches = shuffledBatches.slice(valSize); const valBatches = shuffledBatches.slice(0, valSize); // Training epoch for (const batch of trainBatches) { const stepStart = Date.now(); const loss = this.trainStep(batch); this.metrics.recordLoss(loss); this.metrics.recordStepTime(Date.now() - stepStart); this.scheduler.step(); this.currentStep++; } // Validation if (valBatches.length > 0) { const valLoss = this.validate(valBatches); this.metrics.recordValLoss(valLoss); // Early stopping if (valLoss < this.bestValLoss) { this.bestValLoss = valLoss; this.patienceCounter = 0; } else { this.patienceCounter++; if (this.patienceCounter >= this.config.earlyStoppingPatience) { earlyStopped = true; break; } } } // Checkpoint if ((epoch + 1) % this.config.checkpointInterval === 0) { this.saveCheckpoint(); } } this.adapter.endTraining(); // Register with EWC for continual learning const weights = this.adapter.merge().flat(); this.ewcManager.registerTask(`task-${Date.now()}`, weights); return { epochs: this.currentEpoch + 1, steps: this.currentStep, finalLoss: this.metrics.avgLoss(100), bestValLoss: this.bestValLoss, durationMs: this.metrics.duration(), lossHistory: this.metrics.getLossHistory(), valLossHistory: this.metrics.getValLossHistory(), earlyStopped, }; } /** * Single training step */ trainStep(batch) { let totalLoss = 0; const lr = this.scheduler?.getLR() || this.config.learningRate; for (let i = 0; i < batch.inputs.length; i++) { const input = batch.inputs[i]; const target = batch.targets[i]; const quality = batch.qualities[i]; // Forward pass const output = this.adapter.forward(input); // Compute loss (MSE weighted by quality) const gradOutput = []; let loss = 0; for (let j = 0; j < output.length; j++) { const diff = output[j] - (target[j] || 0); loss += diff * diff; gradOutput.push(2 * diff * quality); // Quality-weighted gradient } loss = (loss / output.length) * quality; // Add EWC penalty const ewcPenalty = this.ewcManager.computePenalty(this.adapter.merge().flat()); loss += ewcPenalty * 0.001; // Backward pass this.adapter.backward(input, gradOutput, lr); totalLoss += loss; } return totalLoss / batch.inputs.length; } /** * Validation pass */ validate(batches) { let totalLoss = 0; let count = 0; for (const batch of batches) { for (let i = 0; i < batch.inputs.length; i++) { const output = this.adapter.forward(batch.inputs[i]); const target = batch.targets[i]; let loss = 0; for (let j = 0; j < output.length; j++) { const diff = output[j] - (target[j] || 0); loss += diff * diff; } totalLoss += loss / output.length; count++; } } return count > 0 ? totalLoss / count : 0; } /** * Save checkpoint */ saveCheckpoint() { this.checkpoints.push({ epoch: this.currentEpoch, step: this.currentStep, loss: this.metrics.avgLoss(100), weights: this.adapter.toJSON(), timestamp: Date.now(), }); } /** * Load checkpoint */ loadCheckpoint(index) { const checkpoint = this.checkpoints[index]; if (!checkpoint) return false; this.adapter = LoraAdapter.fromJSON(checkpoint.weights); this.currentEpoch = checkpoint.epoch; this.currentStep = checkpoint.step; return true; } /** * Get current metrics */ getMetrics() { return { epoch: this.currentEpoch, step: this.currentStep, trainLoss: this.metrics.avgLoss(100), valLoss: this.metrics.avgValLoss(10), learningRate: this.scheduler?.getLR() || this.config.learningRate, gradNorm: 0, stepsPerSecond: this.metrics.stepsPerSecond(), etaSeconds: this.metrics.eta((this.config.epochs - this.currentEpoch) * this.batches.length), }; } /** * Get adapter */ getAdapter() { return this.adapter; } /** * Get EWC manager */ getEwcManager() { return this.ewcManager; } /** * Get checkpoints */ getCheckpoints() { return [...this.checkpoints]; } /** * Reset pipeline */ reset() { this.batches = []; this.checkpoints = []; this.currentEpoch = 0; this.currentStep = 0; this.bestValLoss = Infinity; this.patienceCounter = 0; this.metrics.reset(); this.adapter.reset(); } shuffleBatches() { const shuffled = [...this.batches]; for (let i = shuffled.length - 1; i > 0; i--) { const j = Math.floor(Math.random() * (i + 1)); [shuffled[i], shuffled[j]] = [shuffled[j], shuffled[i]]; } return shuffled; } } /** * Training Factory * * Create pre-configured training pipelines for common scenarios. */ export class TrainingFactory { /** * Create pipeline for quick fine-tuning */ static quickFinetune() { return new TrainingPipeline({ learningRate: 0.01, epochs: 3, batchSize: 16, scheduler: 'constant', }); } /** * Create pipeline for deep training */ static deepTraining() { return new TrainingPipeline({ learningRate: 0.001, epochs: 50, batchSize: 32, scheduler: 'warmup', warmupSteps: 500, earlyStoppingPatience: 5, }); } /** * Create pipeline for continual learning */ static continualLearning(ewcLambda = 5000) { return new TrainingPipeline({ learningRate: 0.0005, epochs: 10, batchSize: 16, scheduler: 'cosine', ewcLambda, earlyStoppingPatience: 10, }); } /** * Create pipeline for federated aggregation */ static federatedAggregation() { return new TrainingPipeline({ learningRate: 0.0001, epochs: 5, batchSize: 64, scheduler: 'linear', ewcLambda: 2000, }); } } //# 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* Training Pipeline for SONA\n *\n * Comprehensive training infrastructure with metrics tracking,\n * learning rate scheduling, and checkpoint management.\n *\n * @example\n * ```typescript\n * import { TrainingPipeline, TrainingConfig } from '@ruvector/ruvllm';\n *\n * const pipeline = new TrainingPipeline({\n *   learningRate: 0.001,\n *   batchSize: 32,\n *   epochs: 10,\n * });\n *\n * // Add training data\n * pipeline.addBatch(inputs, targets, qualities);\n *\n * // Run training\n * const result = pipeline.train();\n * console.log(`Final loss: ${result.finalLoss}`);\n * ```\n */\n\nimport { Embedding, TrainingConfig, TrainingResult } from './types';\nimport { LoraAdapter } from './lora';\nimport { EwcManager } from './sona';\n\n/**\n * Default training config\n */\nconst DEFAULT_TRAINING_CONFIG: Required<TrainingConfig> = {\n  learningRate: 0.001,\n  batchSize: 32,\n  epochs: 10,\n  scheduler: 'cosine',\n  warmupSteps: 100,\n  weightDecay: 0.01,\n  gradientClip: 1.0,\n  earlyStoppingPatience: 3,\n  checkpointInterval: 1,\n  ewcLambda: 2000,\n  validationSplit: 0.1,\n};\n\n/**\n * Training metrics\n */\nexport interface TrainingMetrics {\n  /** Current epoch */\n  epoch: number;\n  /** Current step */\n  step: number;\n  /** Training loss */\n  trainLoss: number;\n  /** Validation loss */\n  valLoss: number;\n  /** Learning rate */\n  learningRate: number;\n  /** Gradient norm */\n  gradNorm: number;\n  /** Steps per second */\n  stepsPerSecond: number;\n  /** ETA in seconds */\n  etaSeconds: number;\n}\n\n/**\n * Training data batch\n */\nexport interface TrainingBatch {\n  /** Input embeddings */\n  inputs: Embedding[];\n  /** Target outputs */\n  targets: Embedding[];\n  /** Quality scores */\n  qualities: number[];\n}\n\n/**\n * Checkpoint data\n */\nexport interface Checkpoint {\n  /** Epoch number */\n  epoch: number;\n  /** Step number */\n  step: number;\n  /** Training loss at checkpoint */\n  loss: number;\n  /** Model weights (serialized) */\n  weights: string;\n  /** Timestamp */\n  timestamp: number;\n}\n\n/**\n * Learning Rate Scheduler\n */\nexport class LRScheduler {\n  private config: Required<TrainingConfig>;\n  private initialLR: number;\n  private currentStep: number = 0;\n  private totalSteps: number;\n\n  constructor(config: Required<TrainingConfig>, totalSteps: number) {\n    this.config = config;\n    this.initialLR = config.learningRate;\n    this.totalSteps = totalSteps;\n  }\n\n  /**\n   * Get learning rate for current step\n   */\n  getLR(): number {\n    switch (this.config.scheduler) {\n      case 'constant':\n        return this.initialLR;\n\n      case 'linear':\n        return this.initialLR * (1 - this.currentStep / this.totalSteps);\n\n      case 'cosine':\n        return this.initialLR * 0.5 * (1 + Math.cos(Math.PI * this.currentStep / this.totalSteps));\n\n      case 'warmup':\n        if (this.currentStep < this.config.warmupSteps) {\n          return this.initialLR * (this.currentStep / this.config.warmupSteps);\n        }\n        // Cosine decay after warmup\n        const decaySteps = this.totalSteps - this.config.warmupSteps;\n        const decayProgress = (this.currentStep - this.config.warmupSteps) / decaySteps;\n        return this.initialLR * 0.5 * (1 + Math.cos(Math.PI * decayProgress));\n\n      default:\n        return this.initialLR;\n    }\n  }\n\n  /**\n   * Step the scheduler\n   */\n  step(): void {\n    this.currentStep++;\n  }\n\n  /**\n   * Reset scheduler\n   */\n  reset(): void {\n    this.currentStep = 0;\n  }\n}\n\n/**\n * Training Metrics Tracker\n */\nexport class MetricsTracker {\n  private lossHistory: number[] = [];\n  private valLossHistory: number[] = [];\n  private gradNormHistory: number[] = [];\n  private startTime: number = Date.now();\n  private stepTimes: number[] = [];\n\n  /**\n   * Record training loss\n   */\n  recordLoss(loss: number): void {\n    this.lossHistory.push(loss);\n  }\n\n  /**\n   * Record validation loss\n   */\n  recordValLoss(loss: number): void {\n    this.valLossHistory.push(loss);\n  }\n\n  /**\n   * Record gradient norm\n   */\n  recordGradNorm(norm: number): void {\n    this.gradNormHistory.push(norm);\n  }\n\n  /**\n   * Record step time\n   */\n  recordStepTime(ms: number): void {\n    this.stepTimes.push(ms);\n  }\n\n  /**\n   * Get average loss over last N steps\n   */\n  avgLoss(n: number = 100): number {\n    const recent = this.lossHistory.slice(-n);\n    return recent.length > 0 ? recent.reduce((a, b) => a + b, 0) / recent.length : 0;\n  }\n\n  /**\n   * Get average validation loss\n   */\n  avgValLoss(n: number = 10): number {\n    const recent = this.valLossHistory.slice(-n);\n    return recent.length > 0 ? recent.reduce((a, b) => a + b, 0) / recent.length : 0;\n  }\n\n  /**\n   * Get steps per second\n   */\n  stepsPerSecond(): number {\n    if (this.stepTimes.length === 0) return 0;\n    const avgStepTime = this.stepTimes.slice(-100).reduce((a, b) => a + b, 0) / Math.min(this.stepTimes.length, 100);\n    return avgStepTime > 0 ? 1000 / avgStepTime : 0;\n  }\n\n  /**\n   * Get ETA in seconds\n   */\n  eta(remainingSteps: number): number {\n    const sps = this.stepsPerSecond();\n    return sps > 0 ? remainingSteps / sps : 0;\n  }\n\n  /**\n   * Get best validation loss\n   */\n  bestValLoss(): number {\n    return this.valLossHistory.length > 0 ? Math.min(...this.valLossHistory) : Infinity;\n  }\n\n  /**\n   * Get total duration\n   */\n  duration(): number {\n    return Date.now() - this.startTime;\n  }\n\n  /**\n   * Get all loss history\n   */\n  getLossHistory(): number[] {\n    return [...this.lossHistory];\n  }\n\n  /**\n   * Get all validation loss history\n   */\n  getValLossHistory(): number[] {\n    return [...this.valLossHistory];\n  }\n\n  /**\n   * Reset tracker\n   */\n  reset(): void {\n    this.lossHistory = [];\n    this.valLossHistory = [];\n    this.gradNormHistory = [];\n    this.stepTimes = [];\n    this.startTime = Date.now();\n  }\n}\n\n/**\n * Training Pipeline\n *\n * Full training infrastructure for SONA models.\n */\nexport class TrainingPipeline {\n  private config: Required<TrainingConfig>;\n  private adapter: LoraAdapter;\n  private ewcManager: EwcManager;\n  private metrics: MetricsTracker;\n  private scheduler: LRScheduler | null = null;\n  private batches: TrainingBatch[] = [];\n  private checkpoints: Checkpoint[] = [];\n  private currentEpoch: number = 0;\n  private currentStep: number = 0;\n  private bestValLoss: number = Infinity;\n  private patienceCounter: number = 0;\n\n  constructor(config?: TrainingConfig, adapter?: LoraAdapter) {\n    this.config = { ...DEFAULT_TRAINING_CONFIG, ...config };\n    this.adapter = adapter || new LoraAdapter({ rank: 8 });\n    this.ewcManager = new EwcManager(this.config.ewcLambda);\n    this.metrics = new MetricsTracker();\n  }\n\n  /**\n   * Add training batch\n   */\n  addBatch(inputs: Embedding[], targets: Embedding[], qualities: number[]): void {\n    this.batches.push({ inputs, targets, qualities });\n  }\n\n  /**\n   * Add training data\n   */\n  addData(data: Array<{ input: Embedding; target: Embedding; quality: number }>): void {\n    // Group into batches\n    for (let i = 0; i < data.length; i += this.config.batchSize) {\n      const batch = data.slice(i, i + this.config.batchSize);\n      this.addBatch(\n        batch.map(d => d.input),\n        batch.map(d => d.target),\n        batch.map(d => d.quality)\n      );\n    }\n  }\n\n  /**\n   * Run training\n   */\n  train(): TrainingResult {\n    const totalSteps = this.batches.length * this.config.epochs;\n    this.scheduler = new LRScheduler(this.config, totalSteps);\n    this.metrics.reset();\n    this.adapter.startTraining(this.config.learningRate);\n\n    let earlyStopped = false;\n\n    for (let epoch = 0; epoch < this.config.epochs; epoch++) {\n      this.currentEpoch = epoch;\n\n      // Shuffle batches\n      const shuffledBatches = this.shuffleBatches();\n\n      // Split into train/val\n      const valSize = Math.floor(shuffledBatches.length * this.config.validationSplit);\n      const trainBatches = shuffledBatches.slice(valSize);\n      const valBatches = shuffledBatches.slice(0, valSize);\n\n      // Training epoch\n      for (const batch of trainBatches) {\n        const stepStart = Date.now();\n        const loss = this.trainStep(batch);\n        this.metrics.recordLoss(loss);\n        this.metrics.recordStepTime(Date.now() - stepStart);\n        this.scheduler.step();\n        this.currentStep++;\n      }\n\n      // Validation\n      if (valBatches.length > 0) {\n        const valLoss = this.validate(valBatches);\n        this.metrics.recordValLoss(valLoss);\n\n        // Early stopping\n        if (valLoss < this.bestValLoss) {\n          this.bestValLoss = valLoss;\n          this.patienceCounter = 0;\n        } else {\n          this.patienceCounter++;\n          if (this.patienceCounter >= this.config.earlyStoppingPatience) {\n            earlyStopped = true;\n            break;\n          }\n        }\n      }\n\n      // Checkpoint\n      if ((epoch + 1) % this.config.checkpointInterval === 0) {\n        this.saveCheckpoint();\n      }\n    }\n\n    this.adapter.endTraining();\n\n    // Register with EWC for continual learning\n    const weights = this.adapter.merge().flat();\n    this.ewcManager.registerTask(`task-${Date.now()}`, weights);\n\n    return {\n      epochs: this.currentEpoch + 1,\n      steps: this.currentStep,\n      finalLoss: this.metrics.avgLoss(100),\n      bestValLoss: this.bestValLoss,\n      durationMs: this.metrics.duration(),\n      lossHistory: this.metrics.getLossHistory(),\n      valLossHistory: this.metrics.getValLossHistory(),\n      earlyStopped,\n    };\n  }\n\n  /**\n   * Single training step\n   */\n  private trainStep(batch: TrainingBatch): number {\n    let totalLoss = 0;\n    const lr = this.scheduler?.getLR() || this.config.learningRate;\n\n    for (let i = 0; i < batch.inputs.length; i++) {\n      const input = batch.inputs[i];\n      const target = batch.targets[i];\n      const quality = batch.qualities[i];\n\n      // Forward pass\n      const output = this.adapter.forward(input);\n\n      // Compute loss (MSE weighted by quality)\n      const gradOutput: number[] = [];\n      let loss = 0;\n      for (let j = 0; j < output.length; j++) {\n        const diff = output[j] - (target[j] || 0);\n        loss += diff * diff;\n        gradOutput.push(2 * diff * quality); // Quality-weighted gradient\n      }\n      loss = (loss / output.length) * quality;\n\n      // Add EWC penalty\n      const ewcPenalty = this.ewcManager.computePenalty(this.adapter.merge().flat());\n      loss += ewcPenalty * 0.001;\n\n      // Backward pass\n      this.adapter.backward(input, gradOutput, lr);\n\n      totalLoss += loss;\n    }\n\n    return totalLoss / batch.inputs.length;\n  }\n\n  /**\n   * Validation pass\n   */\n  private validate(batches: TrainingBatch[]): number {\n    let totalLoss = 0;\n    let count = 0;\n\n    for (const batch of batches) {\n      for (let i = 0; i < batch.inputs.length; i++) {\n        const output = this.adapter.forward(batch.inputs[i]);\n        const target = batch.targets[i];\n\n        let loss = 0;\n        for (let j = 0; j < output.length; j++) {\n          const diff = output[j] - (target[j] || 0);\n          loss += diff * diff;\n        }\n        totalLoss += loss / output.length;\n        count++;\n      }\n    }\n\n    return count > 0 ? totalLoss / count : 0;\n  }\n\n  /**\n   * Save checkpoint\n   */\n  private saveCheckpoint(): void {\n    this.checkpoints.push({\n      epoch: this.currentEpoch,\n      step: this.currentStep,\n      loss: this.metrics.avgLoss(100),\n      weights: this.adapter.toJSON(),\n      timestamp: Date.now(),\n    });\n  }\n\n  /**\n   * Load checkpoint\n   */\n  loadCheckpoint(index: number): boolean {\n    const checkpoint = this.checkpoints[index];\n    if (!checkpoint) return false;\n\n    this.adapter = LoraAdapter.fromJSON(checkpoint.weights);\n    this.currentEpoch = checkpoint.epoch;\n    this.currentStep = checkpoint.step;\n    return true;\n  }\n\n  /**\n   * Get current metrics\n   */\n  getMetrics(): TrainingMetrics {\n    return {\n      epoch: this.currentEpoch,\n      step: this.currentStep,\n      trainLoss: this.metrics.avgLoss(100),\n      valLoss: this.metrics.avgValLoss(10),\n      learningRate: this.scheduler?.getLR() || this.config.learningRate,\n      gradNorm: 0,\n      stepsPerSecond: this.metrics.stepsPerSecond(),\n      etaSeconds: this.metrics.eta(\n        (this.config.epochs - this.currentEpoch) * this.batches.length\n      ),\n    };\n  }\n\n  /**\n   * Get adapter\n   */\n  getAdapter(): LoraAdapter {\n    return this.adapter;\n  }\n\n  /**\n   * Get EWC manager\n   */\n  getEwcManager(): EwcManager {\n    return this.ewcManager;\n  }\n\n  /**\n   * Get checkpoints\n   */\n  getCheckpoints(): Checkpoint[] {\n    return [...this.checkpoints];\n  }\n\n  /**\n   * Reset pipeline\n   */\n  reset(): void {\n    this.batches = [];\n    this.checkpoints = [];\n    this.currentEpoch = 0;\n    this.currentStep = 0;\n    this.bestValLoss = Infinity;\n    this.patienceCounter = 0;\n    this.metrics.reset();\n    this.adapter.reset();\n  }\n\n  private shuffleBatches(): TrainingBatch[] {\n    const shuffled = [...this.batches];\n    for (let i = shuffled.length - 1; i > 0; i--) {\n      const j = Math.floor(Math.random() * (i + 1));\n      [shuffled[i], shuffled[j]] = [shuffled[j], shuffled[i]];\n    }\n    return shuffled;\n  }\n}\n\n/**\n * Training Factory\n *\n * Create pre-configured training pipelines for common scenarios.\n */\nexport class TrainingFactory {\n  /**\n   * Create pipeline for quick fine-tuning\n   */\n  static quickFinetune(): TrainingPipeline {\n    return new TrainingPipeline({\n      learningRate: 0.01,\n      epochs: 3,\n      batchSize: 16,\n      scheduler: 'constant',\n    });\n  }\n\n  /**\n   * Create pipeline for deep training\n   */\n  static deepTraining(): TrainingPipeline {\n    return new TrainingPipeline({\n      learningRate: 0.001,\n      epochs: 50,\n      batchSize: 32,\n      scheduler: 'warmup',\n      warmupSteps: 500,\n      earlyStoppingPatience: 5,\n    });\n  }\n\n  /**\n   * Create pipeline for continual learning\n   */\n  static continualLearning(ewcLambda: number = 5000): TrainingPipeline {\n    return new TrainingPipeline({\n      learningRate: 0.0005,\n      epochs: 10,\n      batchSize: 16,\n      scheduler: 'cosine',\n      ewcLambda,\n      earlyStoppingPatience: 10,\n    });\n  }\n\n  /**\n   * Create pipeline for federated aggregation\n   */\n  static federatedAggregation(): TrainingPipeline {\n    return new TrainingPipeline({\n      learningRate: 0.0001,\n      epochs: 5,\n      batchSize: 64,\n      scheduler: 'linear',\n      ewcLambda: 2000,\n    });\n  }\n}\n"]}