ARCH: замкнуть multi-hop open total clarification loop

llm_normalizer/backend/src/services/assistantMcpDiscoveryAnswerAdapter.ts

@@ -72,10 +72,16 @@ function isInternalMechanicsLine(value: string): boolean {
     text.includes("pilot_") ||
     text.includes("runtime_") ||
     text.includes("planner_") ||
-    text.includes("catalog_")
+    text.includes("catalog_") ||
+    text.includes("needs more scope before execution") ||
+    text.includes("mcp_execution_performed")
   );
 }
 
+function userFacingUnknowns(values: string[]): string[] {
+  return uniqueStrings(values).filter((value) => !isInternalMechanicsLine(value));
+}
+
 function userFacingLimitations(values: string[]): string[] {
   return uniqueStrings(values).filter((value) => !isInternalMechanicsLine(value));
 }
@@ -853,7 +859,7 @@ export function buildAssistantMcpDiscoveryAnswerDraft(
     headline: headlineFor(mode, pilot),
     confirmed_lines: uniqueStrings(confirmedLines),
     inference_lines: uniqueStrings(inferenceLines),
-    unknown_lines: uniqueStrings(pilot.evidence.unknown_facts),
+    unknown_lines: userFacingUnknowns(pilot.evidence.unknown_facts),
     limitation_lines: userFacingLimitations([...pilot.query_limitations, ...pilot.evidence.query_limitations]),
     next_step_line: nextStepFor(mode, pilot),
     internal_mechanics_allowed: false,

llm_normalizer/backend/src/services/assistantMcpDiscoveryResponseCandidate.ts

@@ -82,7 +82,9 @@ function hasInternalMechanics(value: string): boolean {
     text.includes("runtime_") ||
     text.includes("planner_") ||
     text.includes("catalog_") ||
-    text.includes("select ")
+    text.includes("select ") ||
+    text.includes("needs more scope before execution") ||
+    text.includes("mcp_execution_performed")
   );
 }