feat(nav): enforce strict embedding length guards and autonomous brain-first navigation

scripts/pre_commit_tests.sh

@@ -20,8 +20,11 @@ else
             filename=$(basename "$file")
             # Heuristic: Try to find a matching unit test
             test_file="tests/unit/test_${filename}"
+            core_test_file="tests/core/test_${filename}"
             if [ -f "$test_file" ]; then
                 TEST_TARGETS="$TEST_TARGETS $test_file"
+            elif [ -f "$core_test_file" ]; then
+                TEST_TARGETS="$TEST_TARGETS $core_test_file"
             else
                 # If no direct unit test, fallback to running all unit tests to be safe
                 echo "⚠️ No direct unit test found for $file, falling back to all unit tests."
@@ -41,7 +44,7 @@ if [ -z "$TEST_TARGETS" ]; then
 fi
 
 echo "🧪 Running tests on: $TEST_TARGETS"
-venv/bin/pytest $TEST_TARGETS --cov=GramAddict --cov-report=xml -q
+PYTHONPATH=. venv/bin/pytest $TEST_TARGETS --cov=GramAddict --cov-report=xml -q
 
 echo ""
 echo "========================================"