refactor: drop decnet- prefix — BEHAVE is now standalone

Rename packages and imports:
  decnet-behave-core  → behave-core
  decnet-behave-shell → behave-shell
  decnet-behave-text  → behave-text
  decnet_behave_*     → behave_*

BEHAVE is no longer a DECNET sub-project.

BEHAVE-SHELL/behave_shell/spec/envelope.py

@@ -2,7 +2,7 @@
 """BEHAVE-SHELL Observation envelope (registry-aware subclass).
 
 The base envelope (`Observation`, `Window`, `OBSERVATION_SCHEMA_VERSION`,
-`ObservationValue`) lives in `decnet-behave-core`; it enforces only structural
+`ObservationValue`) lives in `behave-core`; it enforces only structural
 invariants (window ordering, confidence bounds, schema version, no extras).
 
 This module subclasses the core `Observation` to add registry-aware validation
@@ -19,12 +19,12 @@ from __future__ import annotations
 
 from pydantic import model_validator
 
-from decnet_behave_core.spec.envelope import (
+from behave_core.spec.envelope import (
     OBSERVATION_SCHEMA_VERSION,
     ObservationValue,
     Window,
 )
-from decnet_behave_core.spec.envelope import Observation as _BaseObservation
+from behave_core.spec.envelope import Observation as _BaseObservation
 
 from .primitives import PRIMITIVE_REGISTRY
 

BEHAVE-SHELL/pyproject.toml

@@ -3,13 +3,13 @@ requires = ["setuptools>=68", "wheel"]
 build-backend = "setuptools.build_meta"
 
 [project]
-name = "decnet-behave-shell"
+name = "behave-shell"
 version = "0.1.0"
-description = "BEHAVE-SHELL — shell-session behavioral observation registry, layered on decnet-behave-core"
+description = "BEHAVE-SHELL — shell-session behavioral observation registry, layered on behave-core"
 requires-python = ">=3.11"
 license = { text = "GPL-3.0-or-later" }
 authors = [{ name = "ANTI" }]
-dependencies = ["pydantic>=2.6", "decnet-behave-core>=0.1.0"]
+dependencies = ["pydantic>=2.6", "behave-core>=0.1.0"]
 
 [project.optional-dependencies]
 dev = ["pytest>=8", "pytest-cov", "ruff"]
@@ -18,7 +18,7 @@ dev = ["pytest>=8", "pytest-cov", "ruff"]
 "Source" = "https://git.resacachile.cl/anti/BEHAVE"
 
 [tool.setuptools.packages.find]
-include = ["decnet_behave_shell*"]
+include = ["behave_shell*"]
 
 [tool.ruff]
 line-length = 100

BEHAVE-SHELL/scripts/generate_schema.py

@@ -17,7 +17,7 @@ _REPO_ROOT = Path(__file__).resolve().parent.parent
 if str(_REPO_ROOT) not in sys.path:
     sys.path.insert(0, str(_REPO_ROOT))
 
-from decnet_behave_shell.spec.envelope import OBSERVATION_SCHEMA_VERSION, Observation  # noqa: E402
+from behave_shell.spec.envelope import OBSERVATION_SCHEMA_VERSION, Observation  # noqa: E402
 
 
 def build_schema() -> dict:

BEHAVE-SHELL/tests/test_envelope.py

@@ -2,7 +2,7 @@
 """Registry-aware envelope tests for BEHAVE-SHELL.
 
 Structural envelope tests (window, confidence bounds, schema version, etc.)
-live in `decnet-behave-core`'s test suite. This file exercises the SHELL-
+live in `behave-core`'s test suite. This file exercises the SHELL-
 SPECIFIC validation: that BEHAVE-SHELL's Observation subclass rejects
 primitives not in the shell registry and rejects values that violate the
 per-primitive ValueTypeSpec.
@@ -13,7 +13,7 @@ from __future__ import annotations
 import pytest
 from pydantic import ValidationError
 
-from decnet_behave_shell.spec import Observation, Window
+from behave_shell.spec import Observation, Window
 
 
 def _make(primitive: str = "motor.keystroke_cadence", value="steady", **kwargs) -> Observation:

BEHAVE-SHELL/tests/test_event_adapter.py

@@ -5,7 +5,7 @@ from __future__ import annotations
 
 import pytest
 
-from decnet_behave_shell.spec import (
+from behave_shell.spec import (
     Observation,
     Window,
     event_topic_for,

BEHAVE-SHELL/tests/test_primitives.py

@@ -11,7 +11,7 @@ from __future__ import annotations
 import re
 from pathlib import Path
 
-from decnet_behave_shell.spec import PRIMITIVE_REGISTRY, ValueKind
+from behave_shell.spec import PRIMITIVE_REGISTRY, ValueKind
 
 # Primitive paths expected by scratchpad.md (hand-extracted; v0.1).
 EXPECTED_PRIMITIVES = {