feat(profiler/behave_shell): H.5-pre extractor version marker (0.1.0-pre)

decnet.profiler.behave_shell.__version__ = '0.1.0-pre'.

The -pre suffix is honest: the extractor is feature-complete (37/37
Tier-A primitives emit, calibration grid honest), but the engine
package — worker wiring, observations writes, AttackerDetail panel —
still rides BEHAVE-INTEGRATION.md Phase 4. The actual 0.1.0 tag
lands when Phase 4 lands.

The marker version-tracks the engine, not the spec library
(decnet-behave-shell already at 0.1.0); they version independently.

decnet/profiler/behave_shell/__init__.py

@@ -15,4 +15,11 @@ from decnet.profiler.behave_shell.extract import (
     extract_session,
 )
 
-__all__ = ["DEFAULT_SOURCE", "build_context", "extract_session"]
+# Phase H.5-pre: extractor is feature-complete (37/37 Tier-A primitives
+# emit; calibration grid honest). The ``-pre`` suffix stays until
+# ``BEHAVE-INTEGRATION.md`` Phase 4 lands the worker wiring + observations
+# table writes + AttackerDetail panel; only then does H.5 proper drop the
+# suffix and tag v0.
+__version__ = "0.1.0-pre"
+
+__all__ = ["DEFAULT_SOURCE", "build_context", "extract_session", "__version__"]

tests/profiler/behave_shell/test_version_marker.py

@@ -0,0 +1,26 @@
+"""Step H.5-pre: extractor ``__version__`` marker.
+
+The version marker is the engine's own identifier; it does NOT need
+to track ``decnet-behave-shell`` (the spec library) — they version
+independently. v0 of the spec is already shipped; v0 of the engine
+ships once worker wiring lands.
+"""
+from __future__ import annotations
+
+import re
+
+import decnet.profiler.behave_shell as behave_shell
+
+
+def test_version_marker_present_and_well_formed() -> None:
+    assert hasattr(behave_shell, "__version__"), (
+        "decnet.profiler.behave_shell must export __version__"
+    )
+    assert re.match(r"^0\.1\.0(?:-pre)?$", behave_shell.__version__), (
+        f"unexpected version: {behave_shell.__version__!r}; "
+        "expected 0.1.0 or 0.1.0-pre"
+    )
+
+
+def test_version_in_dunder_all() -> None:
+    assert "__version__" in behave_shell.__all__