feat(studio): add telemetry events

frontend/src/adk/telemetry.ts

@@ -7,10 +7,12 @@ import type {
 export type StudioTelemetryEventName =
   | "studio_instance_loaded"
   | "studio_user_authenticated"
-  | "studio_agent_deploy_succeeded"
-  | "studio_agent_deploy_failed"
-  | "studio_sandbox_create_succeeded"
-  | "studio_sandbox_create_failed";
+  | "studio_agent_deploy"
+  | "studio_sandbox_create"
+  | "studio_agent_debug"
+  | "studio_agent_connect"
+  | "studio_agent_message"
+  | "studio_agent_source_download";
 
 export interface StudioTelemetryEventOptions {
   dedupeKey?: string;

frontend/src/adk/telemetryClassifiers.ts

@@ -6,6 +6,38 @@ export function sandboxCreateErrorKind(error: unknown): string {
   return "unknown";
 }
 
+export function agentDebugErrorKind(error: unknown): string {
+  if ((error as Error | undefined)?.name === "AbortError") return "abort";
+  if (error instanceof Error && error.name && error.name !== "Error") {
+    return error.name;
+  }
+  return "unknown";
+}
+
+export function agentConnectErrorKind(error: unknown): string {
+  if ((error as Error | undefined)?.name === "AbortError") return "abort";
+  if (error instanceof Error && error.name && error.name !== "Error") {
+    return error.name;
+  }
+  return "unknown";
+}
+
+export function agentMessageErrorKind(error: unknown): string {
+  if ((error as Error | undefined)?.name === "AbortError") return "abort";
+  if (error instanceof Error && error.name && error.name !== "Error") {
+    return error.name;
+  }
+  return "unknown";
+}
+
+export function agentSourceDownloadErrorKind(error: unknown): string {
+  if ((error as Error | undefined)?.name === "AbortError") return "abort";
+  if (error instanceof Error && error.name && error.name !== "Error") {
+    return error.name;
+  }
+  return "unknown";
+}
+
 export function agentDeployErrorKind(error: unknown, phase: string): string {
   if (phase === "build") return "build_failed";
   if ((error as Error | undefined)?.name === "RuntimeProbeError") {
@@ -19,3 +51,13 @@ export function agentDeployErrorKind(error: unknown, phase: string): string {
   }
   return "unknown";
 }
+
+export function telemetryErrorSummary(error: unknown): string {
+  const raw = error instanceof Error ? error.message : String(error);
+  return raw
+    .replace(
+      /\b((?:app[_-]?)?secret|token|api[_-]?key|password)\b\s*[:=]\s*["']?[^"',\s}]+/gi,
+      "$1=<redacted>",
+    )
+    .slice(0, 300);
+}