feat(sqlite): implement connector scope listing

packages/cli/test/context/mcp/local-project-ports.test.ts

@@ -56,6 +56,8 @@ describe('createLocalProjectMcpContextPorts', () => {
       driver: snapshot.driver,
       capabilities: createKtxConnectorCapabilities({ readOnlySql: queryResult !== undefined }),
       introspect: vi.fn(async () => snapshot),
+      listSchemas: vi.fn(async () => []),
+      listTables: vi.fn(async () => []),
       executeReadOnly: queryResult === undefined ? undefined : vi.fn(async () => queryResult),
       cleanup: vi.fn(async () => {}),
     };

packages/cli/test/context/scan/description-generation.test.ts

@@ -72,6 +72,8 @@ function createConnector(): KtxScanConnector {
     introspect: vi.fn(async () => {
       throw new Error('introspection is not used by description generation');
     }),
+    listSchemas: vi.fn(async () => []),
+    listTables: vi.fn(async () => []),
     sampleColumn: vi.fn(async () => ({
       values: ['paid', 'refunded', null],
       nullCount: 1,

packages/cli/test/context/scan/local-enrichment.test.ts

@@ -104,6 +104,8 @@ function connector(): KtxScanConnector {
       columnStats: true,
     }),
     introspect: vi.fn(async () => snapshot),
+    listSchemas: vi.fn(async () => []),
+    listTables: vi.fn(async () => []),
     sampleTable: vi.fn(async () => ({
       headers: ['id', 'customer_id'],
       rows: [[1, 10]],

packages/cli/test/context/scan/local-scan.test.ts

@@ -16,6 +16,11 @@ import type {
   KtxSchemaSnapshot,
 } from '../../../src/context/scan/types.js';
 
+const connectorScopeListing = {
+  listSchemas: vi.fn(async () => []),
+  listTables: vi.fn(async () => []),
+};
+
 function relationshipSqlResult(
   input: KtxReadOnlyQueryInput,
   options: { throwOnCoverage?: boolean } = {},
@@ -254,6 +259,7 @@ function nativeScanConnector(options: { cleanup?: () => Promise<void> } = {}): K
       formalForeignKeys: false,
       estimatedRowCounts: false,
     },
+    ...connectorScopeListing,
     introspect: vi.fn(async () => nativeScanSnapshot()),
     sampleTable: vi.fn(async () => ({ headers: ['id'], rows: [[1]], totalRows: 1 })),
     sampleColumn: vi.fn(async () => ({ values: ['1'], nullCount: 0, distinctCount: 1 })),
@@ -656,6 +662,7 @@ describe('local scan', () => {
         formalForeignKeys: false,
         estimatedRowCounts: false,
       },
+      ...connectorScopeListing,
       async introspect() {
         return {
           connectionId: 'warehouse',
@@ -741,6 +748,7 @@ describe('local scan', () => {
         formalForeignKeys: false,
         estimatedRowCounts: true,
       },
+      ...connectorScopeListing,
       async introspect() {
         return {
           connectionId: 'warehouse',
@@ -930,6 +938,14 @@ describe('local scan', () => {
         };
       }
 
+      async listSchemas(): Promise<string[]> {
+        return [];
+      }
+
+      async listTables() {
+        return [];
+      }
+
       async executeReadOnly(input: KtxReadOnlyQueryInput): Promise<KtxQueryResult> {
         return relationshipSqlResult(input);
       }
@@ -972,6 +988,7 @@ describe('local scan', () => {
         formalForeignKeys: false,
         estimatedRowCounts: true,
       },
+      ...connectorScopeListing,
       async introspect() {
         return {
           connectionId: 'warehouse',
@@ -1073,6 +1090,7 @@ describe('local scan', () => {
         formalForeignKeys: false,
         estimatedRowCounts: true,
       },
+      ...connectorScopeListing,
       async introspect() {
         return {
           connectionId: 'warehouse',
@@ -1200,6 +1218,7 @@ describe('local scan', () => {
         formalForeignKeys: false,
         estimatedRowCounts: true,
       },
+      ...connectorScopeListing,
       async introspect() {
         return {
           connectionId: 'warehouse',
@@ -1340,6 +1359,7 @@ describe('local scan', () => {
         formalForeignKeys: false,
         estimatedRowCounts: true,
       },
+      ...connectorScopeListing,
       async introspect() {
         return {
           connectionId: 'warehouse',
@@ -1455,6 +1475,7 @@ describe('local scan', () => {
         formalForeignKeys: false,
         estimatedRowCounts: false,
       },
+      ...connectorScopeListing,
       async introspect() {
         return {
           connectionId: 'warehouse',
@@ -1550,6 +1571,7 @@ describe('local scan', () => {
         formalForeignKeys: false,
         estimatedRowCounts: false,
       },
+      ...connectorScopeListing,
       async introspect() {
         return {
           connectionId: 'warehouse',
@@ -1666,6 +1688,7 @@ describe('local scan', () => {
         formalForeignKeys: false,
         estimatedRowCounts: false,
       },
+      ...connectorScopeListing,
       async introspect() {
         return {
           connectionId: 'warehouse',

packages/cli/test/context/scan/relationship-discovery.test.ts

@@ -213,6 +213,8 @@ function connector(executor: InMemorySqliteExecutor | null): KtxScanConnector {
       columnSampling: false,
     }),
     introspect: async () => snapshot(),
+    listSchemas: async () => [],
+    listTables: async () => [],
     executeReadOnly: executor ? executor.executeReadOnly.bind(executor) : undefined,
   };
 }
@@ -645,6 +647,8 @@ describe('production relationship discovery', () => {
         columnSampling: false,
       }),
       introspect: async () => maskedSnapshot,
+      listSchemas: async () => [],
+      listTables: async () => [],
       executeReadOnly: async (input) => {
         const rows = database.prepare(input.sql).all() as Record<string, unknown>[];
         const headers = Object.keys(rows[0] ?? {});

packages/cli/test/context/scan/types.test.ts

@@ -93,6 +93,8 @@ describe('KTX scan contract types', () => {
         expect(ctx.runId).toBe('scan-run-1');
         return snapshot;
       },
+      listSchemas: async () => [],
+      listTables: async () => [],
     };
 
     await expect(
@@ -164,6 +166,8 @@ describe('KTX scan contract types', () => {
           tables: [],
         };
       },
+      listSchemas: async () => [],
+      listTables: async () => [],
     };
 
     await expect(