diff --git a/src/lib/telemetry.ts b/src/lib/telemetry.ts
new file mode 100644
index 0000000..0a23757
--- /dev/null
+++ b/src/lib/telemetry.ts
@@ -0,0 +1,40 @@
+import { TelemetryEvent, TelemetrySink, ErrorContext } from './telemetry.types';
+
+class ConsoleSink implements TelemetrySink {
+  capture(event: TelemetryEvent): void {
+    if (process.env.NODE_ENV !== 'production') {
+      console.warn('[Telemetry]', event.context.source, event.context.operation, event.message);
+    }
+  }
+}
+
+let activeSink: TelemetrySink = new ConsoleSink();
+let telemetryEnabled = true;
+
+export function registerSink(sink: TelemetrySink): void {
+  activeSink = sink;
+}
+
+export function setTelemetryEnabled(enabled: boolean): void {
+  telemetryEnabled = enabled;
+}
+
+export function reportError(error: unknown, context: ErrorContext): void {
+  if (!telemetryEnabled || context.userRejected) {
+    return;
+  }
+
+  try {
+    const errObj = error instanceof Error ? error : new Error(String(error));
+    const event: TelemetryEvent = {
+      name: errObj.name,
+      message: errObj.message,
+      stack: errObj.stack,
+      context,
+      timestamp: Date.now()
+    };
+    activeSink.capture(event);
+  } catch (sinkErr) {
+    console.error('Telemetry dispatch failed:', sinkErr);
+  }
+}
\ No newline at end of file
diff --git a/src/lib/telemetry.types.ts b/src/lib/telemetry.types.ts
new file mode 100644
index 0000000..eaca327
--- /dev/null
+++ b/src/lib/telemetry.types.ts
@@ -0,0 +1,23 @@
+export type ErrorSource = 'transaction' | 'auth' | 'mutation' | 'render' | 'global';
+
+export interface ErrorContext {
+  source: ErrorSource;
+  operation?: string;
+  statusCode?: number;
+  code?: string;
+  userRejected?: boolean;
+  metadata?: Record<string, unknown>;
+}
+
+export interface TelemetryEvent {
+  name: string;
+  message: string;
+  stack?: string;
+  context: ErrorContext;
+  timestamp: number;
+}
+
+export interface TelemetrySink {
+  capture(event: TelemetryEvent): void;
+  flush?(): Promise<void>;
+}
\ No newline at end of file