test: neutral names for the reference path and the office-IT baseline

Rename the reference-project helpers and test names (_reference_k,
test_reference_path_*) and the cost-baseline helper (_kontor_it_baseline,
which already returned KONTOR-IT-E1). Names only; no assertion changes.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

tests/test_s40_cost_baseline_loadbearing.py

@@ -59,7 +59,7 @@ _FAKE_UNIT_COST = 10_000_000.0
 _FAKE_CLAIM = 3_000_000.0
 
 
-def _fv42_baseline() -> CostBaseline:
+def _kontor_it_baseline() -> CostBaseline:
     return baseline_from_project(
         next(p for p in load_reference_projects() if p.id == "KONTOR-IT-E1")
     )
@@ -83,7 +83,7 @@ def test_fabricated_cost_code_is_rejected() -> None:
     rejected, even though its own arithmetic clears the LP/P90/nominal stages. Detach the
     reconciliation stage and the SAME proposal validates."""
     result = validate_proposal(
-        _proposal(_FAKE_CODE, 1.0, _FAKE_UNIT_COST, _FAKE_CLAIM), baseline=_fv42_baseline()
+        _proposal(_FAKE_CODE, 1.0, _FAKE_UNIT_COST, _FAKE_CLAIM), baseline=_kontor_it_baseline()
     )
     assert isinstance(result, Rejection), "a hallucinated cost code must never reach validated"
     assert "unknown cost code" in result.reason
@@ -95,7 +95,8 @@ def test_real_baseline_line_still_validates() -> None:
     rejection above is caused by the code being absent from the baseline, not by the new stage
     rejecting everything."""
     result = validate_proposal(
-        _proposal(_REAL_CODE, _REAL_QTY, _REAL_UNIT_COST, _REAL_CLAIM), baseline=_fv42_baseline()
+        _proposal(_REAL_CODE, _REAL_QTY, _REAL_UNIT_COST, _REAL_CLAIM),
+        baseline=_kontor_it_baseline(),
     )
     assert isinstance(result, ValidatedProposal)
 
@@ -117,7 +118,7 @@ def test_inflated_unit_cost_on_a_real_code_is_rejected() -> None:
     line then validates, because the code itself is genuine."""
     inflated = _REAL_UNIT_COST * 1.20
     result = validate_proposal(
-        _proposal(_REAL_CODE, _REAL_QTY, inflated, _REAL_CLAIM), baseline=_fv42_baseline()
+        _proposal(_REAL_CODE, _REAL_QTY, inflated, _REAL_CLAIM), baseline=_kontor_it_baseline()
     )
     assert isinstance(result, Rejection)
     assert "unit_cost" in result.reason and _REAL_CODE in result.reason
@@ -127,7 +128,7 @@ def test_inflated_quantity_on_a_real_code_is_rejected() -> None:
     """RED: the same for quantity — a real code at an invented quantity (+20%) is rejected."""
     result = validate_proposal(
         _proposal(_REAL_CODE, _REAL_QTY * 1.20, _REAL_UNIT_COST, _REAL_CLAIM),
-        baseline=_fv42_baseline(),
+        baseline=_kontor_it_baseline(),
     )
     assert isinstance(result, Rejection)
     assert "quantity" in result.reason
@@ -139,7 +140,7 @@ def test_within_tolerance_deviation_is_admitted() -> None:
     at all."""
     result = validate_proposal(
         _proposal(_REAL_CODE, _REAL_QTY, _REAL_UNIT_COST * 1.02, _REAL_CLAIM),
-        baseline=_fv42_baseline(),
+        baseline=_kontor_it_baseline(),
     )
     assert isinstance(result, ValidatedProposal)
 
@@ -149,7 +150,7 @@ def test_tolerance_is_configurable() -> None:
     caller-supplied tolerance."""
     result = validate_proposal(
         _proposal(_REAL_CODE, _REAL_QTY, _REAL_UNIT_COST * 1.02, _REAL_CLAIM),
-        baseline=_fv42_baseline(),
+        baseline=_kontor_it_baseline(),
         tolerance=0.001,
     )
     assert isinstance(result, Rejection)
@@ -204,7 +205,9 @@ def _factory(reply: str):
     return factory
 
 
-async def test_road_path_anchors_the_gate_to_the_reference_baseline(docs_dir, fresh_store) -> None:
+async def test_reference_path_anchors_the_gate_to_the_reference_baseline(
+    docs_dir, fresh_store
+) -> None:
     """RED (reference wiring): a numerically-impeccable fabricated cost line is REJECTED end-to-end
     through ``run_project``. Detach the reference-path baseline (stop passing it) and the same run
     returns a ValidatedProposal."""
@@ -220,7 +223,7 @@ async def test_road_path_anchors_the_gate_to_the_reference_baseline(docs_dir, fr
     assert "unknown cost code" in result.outcome.reason
 
 
-async def test_road_path_control_real_line_validates(docs_dir, fresh_store) -> None:
+async def test_reference_path_control_real_line_validates(docs_dir, fresh_store) -> None:
     """Causality control for the reference wiring: the real 05.2 line validates through the same path."""
     result = await run_project(
         "KONTOR-IT-E1",