defer optional telemetry dependencies in perception graph

tests/test_perception_graph.py

@@ -1,6 +1,8 @@
 from __future__ import annotations
 
 import json
+import subprocess
+import sys
 import threading
 from collections.abc import Iterator
 from dataclasses import replace
@@ -62,6 +64,23 @@ from k1link.perception.recorded_source import (
 )
 
 
+def test_graph_import_does_not_initialize_legacy_compute_dependencies() -> None:
+    result = subprocess.run(
+        [
+            sys.executable,
+            "-c",
+            (
+                "import sys; import k1link.perception.graph; "
+                "assert 'k1link.compute' not in sys.modules"
+            ),
+        ],
+        check=False,
+        capture_output=True,
+        text=True,
+    )
+    assert result.returncode == 0, result.stderr
+
+
 def _status(available: bool = True) -> ModalityStatus:
     return ModalityStatus(
         available=available,