diff --git a/llm_normalizer/backend/dist/services/assistantMcpDiscoveryTurnInputAdapter.js b/llm_normalizer/backend/dist/services/assistantMcpDiscoveryTurnInputAdapter.js
index 998aae5..9ddc9e6 100644
--- a/llm_normalizer/backend/dist/services/assistantMcpDiscoveryTurnInputAdapter.js
+++ b/llm_normalizer/backend/dist/services/assistantMcpDiscoveryTurnInputAdapter.js
@@ -374,6 +374,12 @@ function buildAssistantMcpDiscoveryTurnInput(input) {
         !rawLifecycleSignal &&
         !rawValueFlowSignal &&
         hasDocumentEvidenceFollowupSignal(rawText));
+    const metadataAmbiguityResolvedDocumentFollowupApplicable = Boolean(followupSeed.pilotScope === "metadata_inspection_v1" &&
+        followupSeed.metadataAmbiguityDetected &&
+        followupSeed.counterparty &&
+        !rawLifecycleSignal &&
+        !rawValueFlowSignal &&
+        hasDocumentEvidenceFollowupSignal(rawText));
     const metadataGroundedMovementFollowupApplicable = Boolean(followupSeed.pilotScope === "metadata_inspection_v1" &&
         followupSeed.metadataRouteFamily === "movement_evidence" &&
         !followupSeed.metadataAmbiguityDetected &&
@@ -381,6 +387,12 @@ function buildAssistantMcpDiscoveryTurnInput(input) {
         !rawLifecycleSignal &&
         !rawValueFlowSignal &&
         hasMovementEvidenceFollowupSignal(rawText));
+    const metadataAmbiguityResolvedMovementFollowupApplicable = Boolean(followupSeed.pilotScope === "metadata_inspection_v1" &&
+        followupSeed.metadataAmbiguityDetected &&
+        followupSeed.counterparty &&
+        !rawLifecycleSignal &&
+        !rawValueFlowSignal &&
+        hasMovementEvidenceFollowupSignal(rawText));
     const metadataGroundedLaneContinuationApplicable = Boolean(followupSeed.pilotScope === "metadata_inspection_v1" &&
         (followupSeed.metadataRouteFamily === "document_evidence" ||
             followupSeed.metadataRouteFamily === "movement_evidence") &&
@@ -393,8 +405,10 @@ function buildAssistantMcpDiscoveryTurnInput(input) {
         !hasMovementEvidenceFollowupSignal(rawText) &&
         hasMetadataDownstreamContinuationSignal(rawText));
     const metadataGroundedDocumentLaneApplicable = metadataGroundedDocumentFollowupApplicable ||
+        metadataAmbiguityResolvedDocumentFollowupApplicable ||
         (metadataGroundedLaneContinuationApplicable && followupSeed.metadataRouteFamily === "document_evidence");
     const metadataGroundedMovementLaneApplicable = metadataGroundedMovementFollowupApplicable ||
+        metadataAmbiguityResolvedMovementFollowupApplicable ||
         (metadataGroundedLaneContinuationApplicable && followupSeed.metadataRouteFamily === "movement_evidence");
     const effectiveMetadataFollowupSeedApplicable = metadataFollowupSeedApplicable &&
         !metadataGroundedDocumentLaneApplicable &&
@@ -590,9 +604,15 @@ function buildAssistantMcpDiscoveryTurnInput(input) {
     if (metadataGroundedDocumentFollowupApplicable) {
         pushReason(reasonCodes, "mcp_discovery_metadata_grounded_document_followup");
     }
+    if (metadataAmbiguityResolvedDocumentFollowupApplicable) {
+        pushReason(reasonCodes, "mcp_discovery_metadata_ambiguity_resolved_to_document_lane");
+    }
     if (metadataGroundedMovementFollowupApplicable) {
         pushReason(reasonCodes, "mcp_discovery_metadata_grounded_movement_followup");
     }
+    if (metadataAmbiguityResolvedMovementFollowupApplicable) {
+        pushReason(reasonCodes, "mcp_discovery_metadata_ambiguity_resolved_to_movement_lane");
+    }
     if (metadataGroundedLaneContinuationApplicable) {
         pushReason(reasonCodes, "mcp_discovery_metadata_grounded_lane_continuation");
     }
diff --git a/llm_normalizer/backend/src/services/assistantMcpDiscoveryTurnInputAdapter.ts b/llm_normalizer/backend/src/services/assistantMcpDiscoveryTurnInputAdapter.ts
index 250d757..3cbcd29 100644
--- a/llm_normalizer/backend/src/services/assistantMcpDiscoveryTurnInputAdapter.ts
+++ b/llm_normalizer/backend/src/services/assistantMcpDiscoveryTurnInputAdapter.ts
@@ -515,6 +515,14 @@ export function buildAssistantMcpDiscoveryTurnInput(
       !rawValueFlowSignal &&
       hasDocumentEvidenceFollowupSignal(rawText)
   );
+  const metadataAmbiguityResolvedDocumentFollowupApplicable = Boolean(
+    followupSeed.pilotScope === "metadata_inspection_v1" &&
+      followupSeed.metadataAmbiguityDetected &&
+      followupSeed.counterparty &&
+      !rawLifecycleSignal &&
+      !rawValueFlowSignal &&
+      hasDocumentEvidenceFollowupSignal(rawText)
+  );
   const metadataGroundedMovementFollowupApplicable = Boolean(
     followupSeed.pilotScope === "metadata_inspection_v1" &&
       followupSeed.metadataRouteFamily === "movement_evidence" &&
@@ -524,6 +532,14 @@ export function buildAssistantMcpDiscoveryTurnInput(
       !rawValueFlowSignal &&
       hasMovementEvidenceFollowupSignal(rawText)
   );
+  const metadataAmbiguityResolvedMovementFollowupApplicable = Boolean(
+    followupSeed.pilotScope === "metadata_inspection_v1" &&
+      followupSeed.metadataAmbiguityDetected &&
+      followupSeed.counterparty &&
+      !rawLifecycleSignal &&
+      !rawValueFlowSignal &&
+      hasMovementEvidenceFollowupSignal(rawText)
+  );
   const metadataGroundedLaneContinuationApplicable = Boolean(
     followupSeed.pilotScope === "metadata_inspection_v1" &&
       (followupSeed.metadataRouteFamily === "document_evidence" ||
@@ -539,9 +555,11 @@ export function buildAssistantMcpDiscoveryTurnInput(
   );
   const metadataGroundedDocumentLaneApplicable =
     metadataGroundedDocumentFollowupApplicable ||
+    metadataAmbiguityResolvedDocumentFollowupApplicable ||
     (metadataGroundedLaneContinuationApplicable && followupSeed.metadataRouteFamily === "document_evidence");
   const metadataGroundedMovementLaneApplicable =
     metadataGroundedMovementFollowupApplicable ||
+    metadataAmbiguityResolvedMovementFollowupApplicable ||
     (metadataGroundedLaneContinuationApplicable && followupSeed.metadataRouteFamily === "movement_evidence");
   const effectiveMetadataFollowupSeedApplicable =
     metadataFollowupSeedApplicable &&
@@ -752,9 +770,15 @@ export function buildAssistantMcpDiscoveryTurnInput(
   if (metadataGroundedDocumentFollowupApplicable) {
     pushReason(reasonCodes, "mcp_discovery_metadata_grounded_document_followup");
   }
+  if (metadataAmbiguityResolvedDocumentFollowupApplicable) {
+    pushReason(reasonCodes, "mcp_discovery_metadata_ambiguity_resolved_to_document_lane");
+  }
   if (metadataGroundedMovementFollowupApplicable) {
     pushReason(reasonCodes, "mcp_discovery_metadata_grounded_movement_followup");
   }
+  if (metadataAmbiguityResolvedMovementFollowupApplicable) {
+    pushReason(reasonCodes, "mcp_discovery_metadata_ambiguity_resolved_to_movement_lane");
+  }
   if (metadataGroundedLaneContinuationApplicable) {
     pushReason(reasonCodes, "mcp_discovery_metadata_grounded_lane_continuation");
   }
diff --git a/llm_normalizer/backend/tests/assistantMcpDiscoveryTurnInputAdapter.test.ts b/llm_normalizer/backend/tests/assistantMcpDiscoveryTurnInputAdapter.test.ts
index 372b92e..ba08c19 100644
--- a/llm_normalizer/backend/tests/assistantMcpDiscoveryTurnInputAdapter.test.ts
+++ b/llm_normalizer/backend/tests/assistantMcpDiscoveryTurnInputAdapter.test.ts
@@ -361,6 +361,68 @@ describe("assistant MCP discovery turn input adapter", () => {
     expect(result.reason_codes).toContain("mcp_discovery_metadata_grounded_lane_continuation");
   });
 
+  it("resolves ambiguous metadata surface into document lane when the follow-up explicitly asks for documents", () => {
+    const result = buildAssistantMcpDiscoveryTurnInput({
+      userMessage: "по документам",
+      followupContext: {
+        previous_discovery_pilot_scope: "metadata_inspection_v1",
+        previous_discovery_metadata_ambiguity_detected: true,
+        previous_filters: {
+          counterparty: "SVK",
+          period_from: "2020-01-01",
+          period_to: "2020-12-31"
+        },
+        previous_anchor_type: "counterparty",
+        previous_anchor_value: "SVK"
+      }
+    });
+
+    expect(result.adapter_status).toBe("ready");
+    expect(result.should_run_discovery).toBe(true);
+    expect(result.source_signal).toBe("followup_context");
+    expect(result.semantic_data_need).toBe("document evidence");
+    expect(result.turn_meaning_ref).toMatchObject({
+      asked_domain_family: "documents",
+      asked_action_family: "list_documents",
+      explicit_entity_candidates: ["SVK"],
+      explicit_date_scope: "2020",
+      unsupported_but_understood_family: "document_evidence",
+      stale_replay_forbidden: true
+    });
+    expect(result.reason_codes).toContain("mcp_discovery_metadata_ambiguity_resolved_to_document_lane");
+  });
+
+  it("resolves ambiguous metadata surface into movement lane when the follow-up explicitly asks for movements", () => {
+    const result = buildAssistantMcpDiscoveryTurnInput({
+      userMessage: "по движениям",
+      followupContext: {
+        previous_discovery_pilot_scope: "metadata_inspection_v1",
+        previous_discovery_metadata_ambiguity_detected: true,
+        previous_filters: {
+          counterparty: "SVK",
+          period_from: "2020-01-01",
+          period_to: "2020-12-31"
+        },
+        previous_anchor_type: "counterparty",
+        previous_anchor_value: "SVK"
+      }
+    });
+
+    expect(result.adapter_status).toBe("ready");
+    expect(result.should_run_discovery).toBe(true);
+    expect(result.source_signal).toBe("followup_context");
+    expect(result.semantic_data_need).toBe("movement evidence");
+    expect(result.turn_meaning_ref).toMatchObject({
+      asked_domain_family: "movements",
+      asked_action_family: "list_movements",
+      explicit_entity_candidates: ["SVK"],
+      explicit_date_scope: "2020",
+      unsupported_but_understood_family: "movement_evidence",
+      stale_replay_forbidden: true
+    });
+    expect(result.reason_codes).toContain("mcp_discovery_metadata_ambiguity_resolved_to_movement_lane");
+  });
+
   it("switches the checked year on a short payout follow-up while keeping prior discovery counterparty", () => {
     const result = buildAssistantMcpDiscoveryTurnInput({
       userMessage: "а теперь за 2021?",