diff --git a/src/langbot/pkg/telemetry/execution.py b/src/langbot/pkg/telemetry/execution.py
index f4af0defa..da0111f47 100644
--- a/src/langbot/pkg/telemetry/execution.py
+++ b/src/langbot/pkg/telemetry/execution.py
@@ -107,6 +107,12 @@ class ExecutionCounters:
     # ------------------------------------------------------------------ config
 
     def trace_mode(self) -> str:
+        # Cloud activity counts must not be computed from sampled successes.
+        # Telemetry opt-out is still enforced before recording observations.
+        from ..utils import constants
+
+        if constants.edition == 'cloud':
+            return 'all'
         mode = str(self.manager.telemetry_config.get('execution_trace', DEFAULT_TRACE_MODE) or '').strip().lower()
         return mode if mode in TRACE_MODES else DEFAULT_TRACE_MODE
 
diff --git a/tests/unit_tests/telemetry/test_cloud_sampling.py b/tests/unit_tests/telemetry/test_cloud_sampling.py
new file mode 100644
index 000000000..b1a604489
--- /dev/null
+++ b/tests/unit_tests/telemetry/test_cloud_sampling.py
@@ -0,0 +1,34 @@
+from types import SimpleNamespace
+
+from langbot.pkg.telemetry.execution import ExecutionCounters
+from langbot.pkg.utils import constants
+
+
+def test_cloud_counts_are_not_sampled(monkeypatch):
+    monkeypatch.setattr(constants, 'edition', 'cloud')
+    counters = ExecutionCounters(SimpleNamespace(telemetry_config={'execution_trace': 'sampled'}))
+    assert counters.trace_mode() == 'all'
+    state = SimpleNamespace(failure_reason='', stages=[], synthetic=False, trace_id='00000001')
+    assert counters._trace_emitted(state)
+
+
+def test_community_retains_sampling(monkeypatch):
+    monkeypatch.setattr(constants, 'edition', 'community')
+    counters = ExecutionCounters(SimpleNamespace(telemetry_config={'execution_trace': 'sampled'}))
+    assert counters.trace_mode() == 'sampled'
+
+
+def test_dns_survives_saturated_executor():
+    import socket
+    import threading
+    from langbot.pkg.utils.bounded_executor import BoundedThreadPoolExecutor
+
+    gate = threading.Event()
+    executor = BoundedThreadPoolExecutor(max_workers=1, max_pending=0)
+    try:
+        blocked = executor.submit(gate.wait)
+        assert executor.submit(socket.getaddrinfo, '127.0.0.1', 443).result(timeout=2)
+    finally:
+        gate.set()
+        blocked.result(timeout=2)
+        executor.shutdown()