feat(telemetry): carry app_version on instance_started (#681)

app_version was attached only to feedback events; every other allowlist stripped it, so the install base could not be segmented by release. One property on the once-per-boot census event covers it. Fixes #674.

apps/api/src/lib/analytics-allowlist.ts

@@ -26,7 +26,7 @@ const ALLOWED: Record<string, ReadonlySet<string>> = {
     "status",
   ]),
   ai_bundle_action: new Set(["bundle_id", "action", "duration_ms"]),
-  instance_started: new Set(["arch", "os_platform", "deploy_mode", "gpu_present"]),
+  instance_started: new Set(["arch", "os_platform", "deploy_mode", "gpu_present", "app_version"]),
   auth_login: new Set(["method"]),
   auth_login_failed: new Set(["method"]),
 };

apps/api/src/lib/system-info.ts

@@ -1,6 +1,6 @@
 import { existsSync } from "node:fs";
 import os from "node:os";
-import type { InstanceStartedProperties } from "@snapotter/shared";
+import { APP_VERSION, type InstanceStartedProperties } from "@snapotter/shared";
 import { deployMode } from "./deploy-mode.js";
 
 // Facts about the running instance, shipped once at boot as the
@@ -19,5 +19,6 @@ export function gatherSystemProperties(): InstanceStartedProperties {
     os_platform: os.platform(),
     deploy_mode: deployMode(),
     gpu_present: existsSync("/dev/nvidia0"),
+    app_version: APP_VERSION,
   };
 }