feat: yaml_patcher and ProfileApplyRequest support metric_weights and doc_weights

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

webapp/services/yaml_patcher.py

@@ -32,9 +32,11 @@ def apply_profiles_to_scenario(
     judge_profile: LLMProfile | None,
     answer_profile: LLMProfile | None,
     dataset_profile: LLMProfile | None,
+    metric_weights: dict[str, float] | None = None,
+    doc_weights: dict[str, float] | None = None,
     _resolve_absolute: bool = False,
 ) -> list[str]:
-    """Patch the YAML file at *scenario_path* with the supplied profiles.
+    """Patch the YAML file at *scenario_path* with the supplied profiles and weights.
 
     Returns a list of dotted field names that were actually patched.
     Setting *_resolve_absolute=True* skips repo-root resolution (used in tests).
@@ -67,6 +69,14 @@ def apply_profiles_to_scenario(
             generation["model"] = dataset_profile.model
             patched.append("generation.model")
 
+    if metric_weights is not None:
+        data["metric_weights"] = dict(metric_weights)
+        patched.append("metric_weights")
+
+    if doc_weights is not None:
+        data["doc_weights"] = dict(doc_weights)
+        patched.append("doc_weights")
+
     resolved.write_text(
         yaml.dump(data, allow_unicode=True, default_flow_style=False, sort_keys=False),
         encoding="utf-8",