SmooAI · brentrager · May 18, 2026 · May 18, 2026
diff --git a/.changeset/smoodev-1067d-otel-native-client.md b/.changeset/smoodev-1067d-otel-native-client.md
diff --git a/packages/core/CHANGELOG.md b/packages/core/CHANGELOG.md
@@ -1,5 +1,25 @@
 # @smooai/observability
 
+## 0.4.0
+
+### Minor Changes
+
+- 365b90c: OTel-first node Client (SMOODEV-1067d).
+
+    The Node Client no longer wraps a Smoo-native HTTP transport — it emits to OpenTelemetry natively. Every `captureException` / `captureMessage` becomes a span event on the active OTel span (or a synthetic one if none is active), with `SpanStatusCode.ERROR` for exceptions and OTLP-shaped attributes (`enduser.id`, `enduser.org_id`, `service.version`, `deployment.environment.name`, `smoo.tag.*`, `smoo.event_id`, `smoo.level`). The OTel SDK handles batching, retry, and wire format; the Smoo SDK does not run a parallel HTTP pipeline on Node.
+
+    `@smooai/logger` is now optional. The Smoo SDK has no compile-time dependency on it. When present, its CONTEXT global feeds OTel baggage (see `@smooai/observability-otel`). When absent, the OTel ambient context (W3C trace context propagation, baggage) is the single source of correlation truth — winston / pino / bunyan / console users get the same trace-id flowing through logs, traces, and Smoo error groups by reading `readOtelCorrelation()`.
+
+    Breaking changes (`@smooai/observability` 0.3 → 0.4):
+    - `makeNodeTransport` (re-exported from the `node` entry) removed — no longer needed; OTel SDK is the transport.
+    - `Client._registerTransport` is now a no-op on Node when a capture handler is registered (which happens by default in `Client.init`). Browser is unchanged.
+    - New seam `Client._registerCaptureHandler(handler | null)` for advanced consumers who want to plug in their own non-OTel capture path.
+
+    Breaking changes (`@smooai/observability-otel` 0.1 → 0.2):
+    - `bridgeClientToOtel()` removed. There's nothing to bridge — the Smoo Client already emits to OTel natively on Node. `setupOtelSdk()` and `readOtelCorrelation()` remain.
+
+    Tests: 33 green on core (was 24), 5 on otel package. Typecheck + build clean.
+
 ## 0.3.0
 
 ### Minor Changes

diff --git a/packages/core/package.json b/packages/core/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@smooai/observability",
-    "version": "0.3.0",
+    "version": "0.4.0",
     "description": "Smoo AI Observability core SDK — browser + Node error capture with batched transport",
     "license": "MIT",
     "repository": {

diff --git a/packages/next/CHANGELOG.md b/packages/next/CHANGELOG.md
@@ -1,5 +1,13 @@
 # @smooai/observability-next
 
+## 0.4.0
+
+### Patch Changes
+
+- Updated dependencies [365b90c]
+    - @smooai/observability@0.4.0
+    - @smooai/observability-react@0.4.0
+
 ## 0.3.0
 
 ### Patch Changes

diff --git a/packages/next/package.json b/packages/next/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@smooai/observability-next",
-    "version": "0.3.0",
+    "version": "0.4.0",
     "description": "Next.js wrapper for @smooai/observability — RootErrorBoundary, withSmooObservability(), build-time sourcemap upload",
     "license": "MIT",
     "repository": {

diff --git a/packages/otel/CHANGELOG.md b/packages/otel/CHANGELOG.md
@@ -1,5 +1,30 @@
 # @smooai/observability-otel
 
+## 0.3.0
+
+### Minor Changes
+
+- 365b90c: OTel-first node Client (SMOODEV-1067d).
+
+    The Node Client no longer wraps a Smoo-native HTTP transport — it emits to OpenTelemetry natively. Every `captureException` / `captureMessage` becomes a span event on the active OTel span (or a synthetic one if none is active), with `SpanStatusCode.ERROR` for exceptions and OTLP-shaped attributes (`enduser.id`, `enduser.org_id`, `service.version`, `deployment.environment.name`, `smoo.tag.*`, `smoo.event_id`, `smoo.level`). The OTel SDK handles batching, retry, and wire format; the Smoo SDK does not run a parallel HTTP pipeline on Node.
+
+    `@smooai/logger` is now optional. The Smoo SDK has no compile-time dependency on it. When present, its CONTEXT global feeds OTel baggage (see `@smooai/observability-otel`). When absent, the OTel ambient context (W3C trace context propagation, baggage) is the single source of correlation truth — winston / pino / bunyan / console users get the same trace-id flowing through logs, traces, and Smoo error groups by reading `readOtelCorrelation()`.
+
+    Breaking changes (`@smooai/observability` 0.3 → 0.4):
+    - `makeNodeTransport` (re-exported from the `node` entry) removed — no longer needed; OTel SDK is the transport.
+    - `Client._registerTransport` is now a no-op on Node when a capture handler is registered (which happens by default in `Client.init`). Browser is unchanged.
+    - New seam `Client._registerCaptureHandler(handler | null)` for advanced consumers who want to plug in their own non-OTel capture path.
+
+    Breaking changes (`@smooai/observability-otel` 0.1 → 0.2):
+    - `bridgeClientToOtel()` removed. There's nothing to bridge — the Smoo Client already emits to OTel natively on Node. `setupOtelSdk()` and `readOtelCorrelation()` remain.
+
+    Tests: 33 green on core (was 24), 5 on otel package. Typecheck + build clean.
+
+### Patch Changes
+
+- Updated dependencies [365b90c]
+    - @smooai/observability@0.4.0
+
 ## 0.2.0
 
 ### Minor Changes

diff --git a/packages/otel/package.json b/packages/otel/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@smooai/observability-otel",
-    "version": "0.2.0",
+    "version": "0.3.0",
     "description": "OpenTelemetry foundation for @smooai/observability — Node SDK setup, auto-instrumentations, OTLP export, and bridge to the core Client",
     "license": "MIT",
     "repository": {

diff --git a/packages/react/CHANGELOG.md b/packages/react/CHANGELOG.md
@@ -1,5 +1,12 @@
 # @smooai/observability-react
 
+## 0.4.0
+
+### Patch Changes
+
+- Updated dependencies [365b90c]
+    - @smooai/observability@0.4.0
+
 ## 0.3.0
 
 ### Patch Changes

diff --git a/packages/react/package.json b/packages/react/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@smooai/observability-react",
-    "version": "0.3.0",
+    "version": "0.4.0",
     "description": "React bindings for @smooai/observability — ErrorBoundary + useErrorHandler",
     "license": "MIT",
     "repository": {