diff --git a/src/types/common.ts b/src/types/common.ts
deleted file mode 100644
index 68f2f7e..0000000
--- a/src/types/common.ts
+++ /dev/null
@@ -1,123 +0,0 @@
-/**
- * Time range for analytics queries
- */
-export interface TimeRange {
-  start: Date;
-  end: Date;
-}
-
-/**
- * Granularity for time-series data
- */
-export type TimeGranularity = 'minute' | 'hour' | 'day' | 'week' | 'month';
-
-/**
- * Device information collected from client
- */
-export interface DeviceData {
-  userAgent: string;
-  platform: string;
-  language: string;
-  screenWidth: number;
-  screenHeight: number;
-  viewportWidth: number;
-  viewportHeight: number;
-  devicePixelRatio: number;
-  timezone: string;
-  touchSupported: boolean;
-}
-
-/**
- * Attribution data for tracking source
- */
-export interface AttributionData {
-  source?: string;
-  medium?: string;
-  campaign?: string;
-  term?: string;
-  content?: string;
-  referrer?: string;
-  landingPage?: string;
-}
-
-/**
- * Session fingerprint (privacy-preserving)
- */
-export interface SessionFingerprint {
-  sessionId: string;
-  visitorId: string; // Hashed, not persistent
-  firstSeen: Date;
-  lastSeen: Date;
-  pageViews: number;
-  attribution?: AttributionData;
-}
-
-/**
- * Geolocation data (privacy-preserving)
- */
-export interface GeoLocation {
-  country?: string;
-  region?: string;
-  city?: string;
-  // Note: No coordinates or precise location
-}
-
-/**
- * Pagination parameters
- */
-export interface PaginationParams {
-  page: number;
-  limit: number;
-}
-
-/**
- * Paginated response wrapper
- */
-export interface PaginatedResponse<T> {
-  data: T[];
-  total: number;
-  page: number;
-  limit: number;
-  totalPages: number;
-}
-
-/**
- * Metric value with timestamp
- */
-export interface TimestampedMetric {
-  timestamp: Date;
-  value: number;
-}
-
-/**
- * Metric with comparison to previous period
- */
-export interface MetricWithComparison {
-  current: number;
-  previous: number;
-  changePercent: number;
-  trend: 'up' | 'down' | 'stable';
-}
-
-/**
- * Event metadata (automatic context collection)
- */
-export interface EventMetadata {
-  userAgent?: string;
-  language?: string;
-  screenWidth?: number;
-  screenHeight?: number;
-  viewportWidth?: number;
-  viewportHeight?: number;
-  timezone?: string;
-  timestamp?: string;
-  referrer?: string;
-  nodeVersion?: string;
-  platform?: string;
-  utm_source?: string;
-  utm_medium?: string;
-  utm_campaign?: string;
-  utm_term?: string;
-  utm_content?: string;
-  [key: string]: unknown;
-}
diff --git a/src/types/events.ts b/src/types/events.ts
deleted file mode 100644
index 961495a..0000000
--- a/src/types/events.ts
+++ /dev/null
@@ -1,190 +0,0 @@
-import type { AttributionData, DeviceData } from './common';
-
-/**
- * Base event interface - all events extend this
- */
-export interface BaseEvent {
-  /** Event type identifier */
-  type: string;
-  /** ISO timestamp of when event occurred */
-  timestamp: string;
-  /** Session identifier */
-  sessionId: string;
-  /** Hashed visitor identifier (not persistent across sessions) */
-  visitorId?: string;
-  /** User ID if authenticated */
-  userId?: string;
-  /** Arbitrary metadata */
-  properties?: Record<string, unknown>;
-}
-
-/**
- * Page view event
- */
-export interface PageViewEvent extends BaseEvent {
-  type: 'page_view';
-  properties: {
-    url: string;
-    title?: string;
-    referrer?: string;
-    path: string;
-    queryParams?: Record<string, string>;
-  };
-}
-
-/**
- * Click event
- */
-export interface ClickEvent extends BaseEvent {
-  type: 'click';
-  properties: {
-    elementId?: string;
-    elementClass?: string;
-    elementTag: string;
-    elementText?: string;
-    href?: string;
-    x: number;
-    y: number;
-  };
-}
-
-/**
- * Form submission event
- */
-export interface FormSubmitEvent extends BaseEvent {
-  type: 'form_submit';
-  properties: {
-    formId?: string;
-    formName?: string;
-    formAction?: string;
-    fieldCount: number;
-  };
-}
-
-/**
- * Custom event (user-defined)
- */
-export interface CustomEvent extends BaseEvent {
-  type: 'custom';
-  properties: {
-    name: string;
-    category?: string;
-    label?: string;
-    value?: number;
-    [key: string]: unknown;
-  };
-}
-
-/**
- * Conversion event (goal completion)
- */
-export interface ConversionEvent extends BaseEvent {
-  type: 'conversion';
-  properties: {
-    goalId: string;
-    goalName: string;
-    value?: number;
-    currency?: string;
-  };
-}
-
-/**
- * Funnel step event
- */
-export interface FunnelStepEvent extends BaseEvent {
-  type: 'funnel_step';
-  properties: {
-    funnelId: string;
-    stepId: string;
-    stepNumber: number;
-    stepName: string;
-  };
-}
-
-/**
- * Revenue event (transaction)
- */
-export interface RevenueEvent extends BaseEvent {
-  type: 'revenue';
-  properties: {
-    transactionId: string;
-    amount: number;
-    currency: string;
-    productIds?: string[];
-    category?: string;
-  };
-}
-
-/**
- * Error event
- */
-export interface ErrorEvent extends BaseEvent {
-  type: 'error';
-  properties: {
-    message: string;
-    stack?: string;
-    source?: string;
-    line?: number;
-    column?: number;
-  };
-}
-
-/**
- * Session start event
- */
-export interface SessionStartEvent extends BaseEvent {
-  type: 'session_start';
-  properties: {
-    isNewVisitor: boolean;
-    landingPage: string;
-  };
-}
-
-/**
- * Session end event
- */
-export interface SessionEndEvent extends BaseEvent {
-  type: 'session_end';
-  properties: {
-    duration: number;
-    pageViews: number;
-    events: number;
-  };
-}
-
-/**
- * Union type of all event types
- */
-export type AnalyticsEvent =
-  | PageViewEvent
-  | ClickEvent
-  | FormSubmitEvent
-  | CustomEvent
-  | ConversionEvent
-  | FunnelStepEvent
-  | RevenueEvent
-  | ErrorEvent
-  | SessionStartEvent
-  | SessionEndEvent;
-
-/**
- * Event payload sent to collector
- */
-export interface TrackEventPayload {
-  events: AnalyticsEvent[];
-  device?: DeviceData;
-  attribution?: AttributionData;
-}
-
-/**
- * Event type string literals
- */
-export type EventType = AnalyticsEvent['type'];
-
-/**
- * Event properties by type
- */
-export type EventProperties<T extends EventType> = Extract<
-  AnalyticsEvent,
-  { type: T }
->['properties'];
diff --git a/src/types/gdpr.ts b/src/types/gdpr.ts
deleted file mode 100644
index ddcb231..0000000
--- a/src/types/gdpr.ts
+++ /dev/null
@@ -1,134 +0,0 @@
-/**
- * GDPR data subject request types
- */
-export type GdprRequestType = 'export' | 'delete' | 'rectify';
-
-/**
- * GDPR request status
- */
-export type GdprRequestStatus =
-  | 'pending'
-  | 'processing'
-  | 'completed'
-  | 'failed'
-  | 'cancelled';
-
-/**
- * GDPR data subject request
- */
-export interface GdprRequest {
-  id: string;
-  type: GdprRequestType;
-  subjectId: string;
-  subjectEmail?: string;
-  status: GdprRequestStatus;
-  createdAt: Date;
-  processedAt?: Date;
-  completedAt?: Date;
-  errorMessage?: string;
-}
-
-/**
- * GDPR export data structure
- */
-export interface GdprExportData {
-  subjectId: string;
-  exportedAt: Date;
-  data: {
-    sessions: GdprSessionExport[];
-    events: GdprEventExport[];
-    attributionData?: GdprAttributionExport;
-  };
-}
-
-/**
- * Session export for GDPR
- */
-export interface GdprSessionExport {
-  sessionId: string;
-  startedAt: Date;
-  endedAt?: Date;
-  pageViews: number;
-  country?: string;
-  deviceType?: string;
-}
-
-/**
- * Event export for GDPR
- */
-export interface GdprEventExport {
-  timestamp: Date;
-  type: string;
-  page?: string;
-  properties: Record<string, unknown>;
-}
-
-/**
- * Attribution export for GDPR
- */
-export interface GdprAttributionExport {
-  firstTouch?: {
-    source?: string;
-    medium?: string;
-    campaign?: string;
-    timestamp: Date;
-  };
-  lastTouch?: {
-    source?: string;
-    medium?: string;
-    campaign?: string;
-    timestamp: Date;
-  };
-}
-
-/**
- * GDPR deletion audit log
- */
-export interface GdprDeletionAudit {
-  id: string;
-  subjectId: string;
-  deletedAt: Date;
-  tablesAffected: string[];
-  rowsDeleted: number;
-  requestId: string;
-}
-
-/**
- * Data retention policy
- */
-export interface DataRetentionPolicy {
-  name: string;
-  tableName: string;
-  retentionDays: number;
-  enabled: boolean;
-  lastRunAt?: Date;
-  rowsDeleted?: number;
-}
-
-/**
- * Consent record
- */
-export interface ConsentRecord {
-  subjectId: string;
-  consentedAt: Date;
-  withdrawnAt?: Date;
-  purposes: ConsentPurpose[];
-  source: string;
-}
-
-/**
- * Consent purpose
- */
-export type ConsentPurpose =
-  | 'analytics'
-  | 'marketing'
-  | 'personalization'
-  | 'functional';
-
-/**
- * DoNotTrack status
- */
-export interface DoNotTrackStatus {
-  enabled: boolean;
-  source: 'browser' | 'gpc' | 'cookie' | 'explicit';
-}
diff --git a/src/types/index.ts b/src/types/index.ts
deleted file mode 100644
index b23ecea..0000000
--- a/src/types/index.ts
+++ /dev/null
@@ -1,14 +0,0 @@
-// Event Types
-export * from './events';
-
-// Query Types
-export * from './queries';
-
-// Response Types
-export * from './responses';
-
-// Common Types
-export * from './common';
-
-// GDPR Types
-export * from './gdpr';
diff --git a/src/types/queries.ts b/src/types/queries.ts
deleted file mode 100644
index 77a22be..0000000
--- a/src/types/queries.ts
+++ /dev/null
@@ -1,138 +0,0 @@
-import type { EventType } from './events';
-import type { TimeGranularity, TimeRange, PaginationParams } from './common';
-
-/**
- * Base query parameters
- */
-export interface BaseQueryParams {
-  timeRange: TimeRange;
-  filters?: QueryFilter[];
-}
-
-/**
- * Filter operator
- */
-export type FilterOperator =
-  | 'equals'
-  | 'not_equals'
-  | 'contains'
-  | 'not_contains'
-  | 'starts_with'
-  | 'ends_with'
-  | 'greater_than'
-  | 'less_than'
-  | 'in'
-  | 'not_in';
-
-/**
- * Query filter
- */
-export interface QueryFilter {
-  field: string;
-  operator: FilterOperator;
-  value: string | number | boolean | string[] | number[];
-}
-
-/**
- * Time series query parameters
- */
-export interface TimeSeriesQueryParams extends BaseQueryParams {
-  granularity: TimeGranularity;
-  metric: string;
-  groupBy?: string[];
-}
-
-/**
- * Funnel query parameters
- */
-export interface FunnelQueryParams extends BaseQueryParams {
-  steps: FunnelStep[];
-  conversionWindow?: number; // seconds
-}
-
-/**
- * Funnel step definition
- */
-export interface FunnelStep {
-  name: string;
-  eventType: EventType;
-  filters?: QueryFilter[];
-}
-
-/**
- * Cohort query parameters
- */
-export interface CohortQueryParams extends BaseQueryParams {
-  cohortType: CohortType;
-  granularity: TimeGranularity;
-  metric: CohortMetric;
-}
-
-/**
- * Cohort type
- */
-export type CohortType = 'first_visit' | 'signup' | 'first_purchase' | 'custom';
-
-/**
- * Cohort metric
- */
-export type CohortMetric =
-  | 'retention'
-  | 'revenue'
-  | 'sessions'
-  | 'conversions';
-
-/**
- * Retention query parameters
- */
-export interface RetentionQueryParams extends BaseQueryParams {
-  retentionType: RetentionType;
-  periods: number[];
-}
-
-/**
- * Retention type
- */
-export type RetentionType = 'day' | 'week' | 'month';
-
-/**
- * Top pages query parameters
- */
-export interface TopPagesQueryParams extends BaseQueryParams, PaginationParams {
-  metric: 'views' | 'unique_visitors' | 'avg_time_on_page';
-  sortDirection: 'asc' | 'desc';
-}
-
-/**
- * Revenue query parameters
- */
-export interface RevenueQueryParams extends BaseQueryParams {
-  granularity: TimeGranularity;
-  groupBy?: 'source' | 'medium' | 'campaign' | 'country';
-}
-
-/**
- * Realtime query parameters
- */
-export interface RealtimeQueryParams {
-  metrics: RealtimeMetric[];
-  interval?: number; // seconds
-}
-
-/**
- * Realtime metric
- */
-export type RealtimeMetric =
-  | 'active_users'
-  | 'page_views_per_minute'
-  | 'events_per_minute'
-  | 'top_pages'
-  | 'top_referrers';
-
-/**
- * User activity query parameters
- */
-export interface UserActivityQueryParams extends BaseQueryParams, PaginationParams {
-  userId?: string;
-  sessionId?: string;
-}
diff --git a/src/types/responses.ts b/src/types/responses.ts
deleted file mode 100644
index 24cd7f9..0000000
--- a/src/types/responses.ts
+++ /dev/null
@@ -1,222 +0,0 @@
-import type { MetricWithComparison, TimestampedMetric, PaginatedResponse } from './common';
-
-/**
- * Dashboard overview response
- */
-export interface DashboardOverview {
-  visitors: MetricWithComparison;
-  pageViews: MetricWithComparison;
-  sessions: MetricWithComparison;
-  avgSessionDuration: MetricWithComparison;
-  bounceRate: MetricWithComparison;
-  conversions: MetricWithComparison;
-}
-
-/**
- * Time series data point
- */
-export interface TimeSeriesDataPoint {
-  timestamp: Date;
-  value: number;
-  groupKey?: string;
-}
-
-/**
- * Time series response
- */
-export interface TimeSeriesResponse {
-  data: TimeSeriesDataPoint[];
-  total: number;
-  granularity: string;
-}
-
-/**
- * Funnel step result
- */
-export interface FunnelStepResult {
-  stepNumber: number;
-  stepName: string;
-  count: number;
-  conversionRate: number;
-  dropoffRate: number;
-  avgTimeToConvert?: number;
-}
-
-/**
- * Funnel analysis response
- */
-export interface FunnelResponse {
-  steps: FunnelStepResult[];
-  overallConversionRate: number;
-  totalStarted: number;
-  totalCompleted: number;
-}
-
-/**
- * Cohort bucket
- */
-export interface CohortBucket {
-  cohortDate: Date;
-  cohortSize: number;
-  periods: CohortPeriod[];
-}
-
-/**
- * Cohort period data
- */
-export interface CohortPeriod {
-  periodNumber: number;
-  value: number;
-  percentage: number;
-}
-
-/**
- * Cohort analysis response
- */
-export interface CohortResponse {
-  cohorts: CohortBucket[];
-  averageRetention: number[];
-}
-
-/**
- * Retention data point
- */
-export interface RetentionDataPoint {
-  period: string;
-  retained: number;
-  total: number;
-  rate: number;
-}
-
-/**
- * Retention response
- */
-export interface RetentionResponse {
-  data: RetentionDataPoint[];
-  d1: number;
-  d7: number;
-  d30: number;
-}
-
-/**
- * Top page entry
- */
-export interface TopPageEntry {
-  path: string;
-  title?: string;
-  views: number;
-  uniqueVisitors: number;
-  avgTimeOnPage: number;
-  bounceRate: number;
-}
-
-/**
- * Top pages response
- */
-export type TopPagesResponse = PaginatedResponse<TopPageEntry>;
-
-/**
- * Revenue summary
- */
-export interface RevenueSummary {
-  total: MetricWithComparison;
-  transactions: MetricWithComparison;
-  avgOrderValue: MetricWithComparison;
-  revenuePerUser: MetricWithComparison;
-}
-
-/**
- * Revenue by source
- */
-export interface RevenueBySource {
-  source: string;
-  revenue: number;
-  transactions: number;
-  percentage: number;
-}
-
-/**
- * Revenue response
- */
-export interface RevenueResponse {
-  summary: RevenueSummary;
-  timeSeries: TimestampedMetric[];
-  bySource?: RevenueBySource[];
-}
-
-/**
- * Realtime metrics
- */
-export interface RealtimeMetrics {
-  activeUsers: number;
-  pageViewsPerMinute: number;
-  eventsPerMinute: number;
-  topPages: Array<{ path: string; count: number }>;
-  topReferrers: Array<{ referrer: string; count: number }>;
-  lastUpdated: Date;
-}
-
-/**
- * User activity entry
- */
-export interface UserActivityEntry {
-  timestamp: Date;
-  eventType: string;
-  properties: Record<string, unknown>;
-  sessionId: string;
-  page?: string;
-}
-
-/**
- * User activity response
- */
-export type UserActivityResponse = PaginatedResponse<UserActivityEntry>;
-
-/**
- * Attribution data
- */
-export interface AttributionReport {
-  source: string;
-  medium?: string;
-  campaign?: string;
-  visitors: number;
-  conversions: number;
-  revenue: number;
-  conversionRate: number;
-}
-
-/**
- * Attribution response
- */
-export interface AttributionResponse {
-  data: AttributionReport[];
-  topSource: string;
-  topCampaign?: string;
-}
-
-/**
- * LTV (Lifetime Value) response
- */
-export interface LtvResponse {
-  averageLtv: number;
-  ltvByCohort: Array<{
-    cohort: string;
-    ltv: number;
-    customers: number;
-  }>;
-  projectedLtv: number;
-}
-
-/**
- * CAC (Customer Acquisition Cost) response
- */
-export interface CacResponse {
-  averageCac: number;
-  cacByChannel: Array<{
-    channel: string;
-    cac: number;
-    customers: number;
-    spend: number;
-  }>;
-  ltvCacRatio: number;
-}