fix(observability): desktop dev version and web environment match the other services (#75)

Author: yordis

apps/desktop/src/app/DesktopObservability.ts

@@ -29,6 +29,8 @@ import * as SynchronizedRef from "effect/SynchronizedRef";
 import * as Tracer from "effect/Tracer";
 import { OtlpExporter, OtlpLogger, OtlpTracer } from "effect/unstable/observability";
 
+import desktopPackageJson from "../../package.json" with { type: "json" };
+
 import * as DesktopEnvironment from "./DesktopEnvironment.ts";
 
 const DESKTOP_LOG_FILE_MAX_BYTES = 10 * 1024 * 1024;
@@ -628,7 +630,8 @@ const telemetryLayer = Layer.unwrap(
     const endpoints = yield* resolveOtlpEndpoints;
     const resource = {
       serviceName: "t3code-desktop",
-      serviceVersion: environment.appVersion,
+      // Unpackaged runs launch a script, so Electron reports its own version.
+      serviceVersion: environment.isPackaged ? environment.appVersion : desktopPackageJson.version,
       attributes: {
         "service.namespace": "t3code",
         ...nodeProcessResourceAttributes({

apps/web/src/observability/clientTracing.ts

@@ -50,6 +50,7 @@ const CLIENT_TRACING_RESOURCE = {
   attributes: {
     "service.namespace": "t3code",
     "service.instance.id": serviceInstanceId,
+    "deployment.environment.name": import.meta.env.DEV ? "development" : "production",
     "t3code.client.surface": isElectron ? "desktop" : "web",
     ...browserResourceAttributes(),
   },

docs/operations/observability.md

@@ -598,8 +598,9 @@ it.
 
 The UI runs as `t3code-web` in both a browser and the desktop window, since it is the same code. Its
 `t3code.client.surface` resource attribute is `desktop` or `web`, and `user_agent.original` carries the
-full user agent. The server's `t3code.server.managed_by` is `desktop` when the desktop app launched it
-and `standalone` otherwise.
+full user agent. Its `deployment.environment.name` follows the build: `development` under the Vite dev
+server and `production` otherwise. The server's `t3code.server.managed_by` is `desktop` when the
+desktop app launched it and `standalone` otherwise.
 
 If the OTLP URLs are unset, local tracing still works, metrics stay in-process only, and logs stay
 on stdout only.