test: add Gate 3 numerical oracle contracts

ci/test-quality-policy.json

@@ -6,7 +6,7 @@
     "changed_line": 95.0,
     "mature_cpu_statement": 92.0,
     "mature_cpu_branch": 80.0,
-    "mutation_score": 75.0,
+    "mutation_score": 85.0,
     "warning_budget": 0
   },
   "critical_cpu_paths": [

ci/test-risk-map.json

@@ -185,6 +185,8 @@
         "tests/test_new_analysis_modules.py",
         "tests/test_numerical_contracts.py",
         "tests/test_novel_analysis.py",
+        "tests/test_projection_math_contracts.py",
+        "tests/test_whitened_svd_oracles.py",
         "tests/test_visualization.py"
       ]
     },