build: Add telemetry compiled output

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

dist/telemetry.d.ts

@@ -0,0 +1,17 @@
+/**
+ * Telemetry for compressed tools usage tracking
+ * Logs to ~/.local/share/mcp/compressed-tools.jsonl
+ */
+export interface TelemetryEvent {
+    timestamp: string;
+    tool: "compressed_read" | "compressed_grep" | "compressed_glob";
+    inputSize: number;
+    outputSize: number;
+    compressionRatio: number;
+    path?: string;
+    pattern?: string;
+    success: boolean;
+    error?: string;
+}
+export declare function logTelemetry(event: Omit<TelemetryEvent, "timestamp">): void;
+export declare function calculateCompressionRatio(original: number, compressed: number): number;