feat(runtime): implement single-article consolidation runtime and modularize codebase

tests/runtime/contract/test_enrichment_response_contract.py

@@ -0,0 +1,37 @@
+"""Contract tests for enrichment-response.schema.json."""
+
+from __future__ import annotations
+
+import jsonschema
+
+from src.runtime.core.config import create_schema_registry, load_schema
+
+
+def test_enrichment_response_schema_valid():
+    schema = load_schema("enrichment-response.schema.json")
+    registry = create_schema_registry()
+    validator = jsonschema.Draft202012Validator(schema, registry=registry)
+
+    valid_response = {
+        "sentiment": "positive",
+        "tags": ["river plate", "futebol argentino", "copa sudamericana"],
+        "evidence_candidate_ids": ["trafilatura_blk_001", "trafilatura_blk_002"],
+    }
+
+    errors = list(validator.iter_errors(valid_response))
+    assert len(errors) == 0, f"Schema errors: {[e.message for e in errors]}"
+
+
+def test_enrichment_response_schema_invalid_bounds():
+    schema = load_schema("enrichment-response.schema.json")
+    registry = create_schema_registry()
+    validator = jsonschema.Draft202012Validator(schema, registry=registry)
+
+    # Less than 3 tags
+    invalid_response = {
+        "sentiment": "neutral",
+        "tags": ["only_one_tag"],
+        "evidence_candidate_ids": ["blk_01"],
+    }
+    errors = list(validator.iter_errors(invalid_response))
+    assert len(errors) > 0