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.
BEHAVE-EXTRACTOR.md Phase A Step 0. Lays the package skeleton
(__init__/extract/_parse/_ctx/_thresholds/_features) with empty
FEATURES = (), so the worker plumbing in BEHAVE-INTEGRATION Phase 4
has a stable import path before any primitive lands.
extract_session() builds a SessionContext once and fans the
registered feature functions across it; at Step 0 that fan-out is
empty and the function yields nothing. Step 1 (asciinema parser +
paste-burst detector) and Step 2 (motor.input_modality) land next.
Smoke suite asserts the empty contract: empty stream → no
observations, single event → t_start == t_end, multi-event → events
routed into input_events / output_events by kind, evidence_ref
defaults to "session:<sid>" or honours an explicit override.
