ARCH: продолжить metadata continuity для MCP discovery

llm_normalizer/backend/tests/assistantMcpDiscoveryResponseCandidate.test.ts

@@ -209,6 +209,39 @@ describe("assistant MCP discovery response candidate", () => {
     expect(candidate.reply_text).not.toContain("broad probe hit the row limit");
   });
 
+  it("localizes metadata evidence without leaking raw MCP wording", () => {
+    const candidate = buildAssistantMcpDiscoveryResponseCandidate(
+      entryPoint({
+        bridge: {
+          bridge_status: "answer_draft_ready",
+          user_facing_response_allowed: true,
+          business_fact_answer_allowed: true,
+          requires_user_clarification: false,
+          answer_draft: {
+            answer_mode: "confirmed_with_bounded_inference",
+            headline: "По данным 1С найдена подтвержденная metadata-поверхность.",
+            confirmed_lines: [
+              'Confirmed 1C metadata surface for scope "НДС": 7 rows and 3 matching objects',
+              "Available metadata object sets: accumulation_register, document",
+              "Available metadata fields/sections: amount, vat_rate, organization"
+            ],
+            inference_lines: [],
+            unknown_lines: ['No matching 1C metadata objects were confirmed for scope "Прибыль"'],
+            limitation_lines: ["Detailed metadata fields were not returned by this MCP metadata probe"],
+            next_step_line: null
+          }
+        }
+      })
+    );
+
+    expect(candidate.reply_text).toContain('В 1С подтверждена metadata-поверхность по области "НДС"');
+    expect(candidate.reply_text).toContain("Доступные типы metadata-объектов");
+    expect(candidate.reply_text).toContain("Доступные metadata-поля/секции");
+    expect(candidate.reply_text).toContain('В 1С не подтверждены metadata-объекты по области "Прибыль"');
+    expect(candidate.reply_text).toContain("Эта MCP-проверка metadata не вернула детальный список полей");
+    expect(candidate.reply_text).not.toContain("Confirmed 1C metadata surface");
+  });
+
   it("returns not applicable when discovery was skipped for an exact supported route", () => {
     const candidate = buildAssistantMcpDiscoveryResponseCandidate({
       schema_version: "assistant_mcp_discovery_runtime_entry_point_v1",

llm_normalizer/backend/tests/assistantMcpDiscoveryTurnInputAdapter.test.ts

@@ -203,6 +203,34 @@ describe("assistant MCP discovery turn input adapter", () => {
     expect(result.reason_codes).toContain("mcp_discovery_date_scope_from_followup_context");
   });
 
+  it("seeds short metadata follow-up from prior metadata discovery context", () => {
+    const result = buildAssistantMcpDiscoveryTurnInput({
+      userMessage: "а по регистрам?",
+      followupContext: {
+        previous_discovery_pilot_scope: "metadata_inspection_v1",
+        previous_filters: {
+          counterparty: "НДС"
+        },
+        previous_anchor_type: "counterparty",
+        previous_anchor_value: "НДС"
+      }
+    });
+
+    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("1C metadata evidence");
+    expect(result.turn_meaning_ref).toMatchObject({
+      asked_domain_family: "metadata",
+      asked_action_family: "inspect_registers",
+      explicit_entity_candidates: ["НДС"],
+      unsupported_but_understood_family: "1c_metadata_surface",
+      stale_replay_forbidden: true
+    });
+    expect(result.reason_codes).toContain("mcp_discovery_metadata_seeded_from_followup_context");
+    expect(result.reason_codes).toContain("mcp_discovery_counterparty_from_followup_context");
+  });
+
   it("switches the checked year on a short payout follow-up while keeping prior discovery counterparty", () => {
     const result = buildAssistantMcpDiscoveryTurnInput({
       userMessage: "а теперь за 2021?",

llm_normalizer/backend/tests/assistantMemoryRecapPolicy.test.ts

@@ -386,6 +386,64 @@ describe("assistantMemoryRecapPolicy", () => {
     expect(reply).toContain("43 763 351,53 руб.");
   });
 
+  it("builds deterministic recap summary from grounded MCP metadata discovery context", () => {
+    const sessionItems = [
+      {
+        role: "assistant",
+        debug: {
+          execution_lane: "living_chat",
+          mcp_discovery_response_applied: true,
+          assistant_mcp_discovery_entry_point_v1: {
+            schema_version: "assistant_mcp_discovery_runtime_entry_point_v1",
+            entry_status: "bridge_executed",
+            turn_input: {
+              turn_meaning_ref: {
+                explicit_entity_candidates: ["НДС"]
+              }
+            },
+            bridge: {
+              bridge_status: "answer_draft_ready",
+              business_fact_answer_allowed: true,
+              answer_draft: {
+                answer_mode: "confirmed_with_bounded_inference"
+              },
+              pilot: {
+                pilot_scope: "metadata_inspection_v1",
+                derived_metadata_surface: {
+                  metadata_scope: "НДС",
+                  matched_rows: 7,
+                  matched_objects: ["РегистрНакопления.НДСПокупок"],
+                  available_entity_sets: ["accumulation_register", "document"],
+                  available_fields: ["amount", "vat_rate", "organization"]
+                }
+              }
+            }
+          }
+        }
+      }
+    ];
+    const context = resolveAssistantLivingChatMemoryContext({
+      modeDecisionReason: "memory_recap_followup_detected",
+      sessionItems
+    });
+
+    const reply = buildAddressMemoryRecapReply({
+      organization: null,
+      addressDebug: context.lastMemoryAddressDebug,
+      sessionItems,
+      toNonEmptyString: (value: unknown) => {
+        const text = String(value ?? "").trim();
+        return text.length > 0 ? text : null;
+      }
+    });
+
+    expect(context.contextualMemoryRecapFollowup).toBe(true);
+    expect(reply).toContain("НДС");
+    expect(reply).toContain("metadata-поверхность 1С");
+    expect(reply).toContain("amount");
+    expect(reply).toContain("accumulation_register");
+  });
+
   it("builds deterministic broad business evaluation summary from recent grounded organization facts", () => {
     const sessionItems = [
       {