Fix determinant abbreviation discovery

Author: Grace Lee Rui Yue

src/jacobian/math/matrices/_tools.py

@@ -79,7 +79,7 @@ def matrix_operation[
 
 MATRIX_DETERMINANT_COMPUTE = matrix_operation(
     "matrix.determinant.compute",
-    "Compute an exact rational matrix determinant",
+    "Compute an exact rational matrix determinant (det)",
     "Compute the determinant of one square matrix over QQ through order 64 with SymPy's exact Bareiss algorithm.",
     MatrixDeterminantRequest,
     MatrixDeterminantResult,

src/jacobian/math/matrices/symbolic/_tools.py

@@ -50,7 +50,7 @@ def symbolic_matrix_operation[
 SYMBOLIC_MATRIX_OPERATIONS = (
     symbolic_matrix_operation(
         "matrix.symbolic.determinant.compute",
-        "Compute an exact symbolic matrix determinant over QQ(t_1, ..., t_n)",
+        "Compute an exact symbolic matrix determinant (det) over QQ(t_1, ..., t_n)",
         "Compute the determinant of a square matrix whose entries are rational functions in declared algebraically independent variables, using SymPy's exact fraction-free Bareiss algorithm.",
         SymbolicMatrixRequest,
         SymbolicDeterminantResult,

tests/catalog/test_search.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
-from jacobian.catalog.models import OperationDescriptor
+from jacobian.catalog.catalog import Catalog
+from jacobian.catalog.models import OperationDescriptor, OperationDiscoveryRequest
 from jacobian.catalog.search import discovery_relevance
 
 
@@ -22,3 +23,12 @@ def test_discovery_phrase_matching_respects_token_boundaries() -> None:
 
     assert graph_score == 0
     assert phrase_score >= 20
+
+
+def test_standard_det_abbreviation_ranks_determinant_operations_first() -> None:
+    result = Catalog.open().search(OperationDiscoveryRequest(query="det", limit=3))
+
+    assert tuple(match.operation_id for match in result.matches[:2]) == (
+        "matrix.determinant.compute",
+        "matrix.symbolic.determinant.compute",
+    )