feat(cli): route ingest adapter logs through operational logger

packages/cli/src/io/logger.test.ts

@@ -0,0 +1,65 @@
+import { describe, expect, it, vi } from 'vitest';
+import { createCliOperationalLogger, createNoopOperationalLogger } from './logger.js';
+
+function makeIo() {
+  let stdout = '';
+  let stderr = '';
+  return {
+    io: {
+      stdout: {
+        write: (chunk: string) => {
+          stdout += chunk;
+        },
+      },
+      stderr: {
+        write: (chunk: string) => {
+          stderr += chunk;
+        },
+      },
+    },
+    stdout: () => stdout,
+    stderr: () => stderr,
+  };
+}
+
+describe('createCliOperationalLogger', () => {
+  it('routes operational messages to stderr outside JSON mode', () => {
+    const io = makeIo();
+    const logger = createCliOperationalLogger(io.io, 'plain');
+
+    logger.log('progress');
+    logger.warn('warning');
+    logger.error('failure');
+    logger.debug?.('debug');
+
+    expect(io.stdout()).toBe('');
+    expect(io.stderr()).toBe('progress\nwarning\nfailure\ndebug\n');
+  });
+
+  it('suppresses operational messages in JSON mode by default', () => {
+    const io = makeIo();
+    const logger = createCliOperationalLogger(io.io, 'json');
+
+    logger.log('progress');
+    logger.warn('warning');
+    logger.error('failure');
+    logger.debug?.('debug');
+
+    expect(io.stdout()).toBe('');
+    expect(io.stderr()).toBe('');
+  });
+});
+
+describe('createNoopOperationalLogger', () => {
+  it('never writes', () => {
+    const logger = createNoopOperationalLogger();
+    const warn = vi.spyOn(console, 'warn').mockImplementation(() => undefined);
+
+    logger.log('progress');
+    logger.warn('warning');
+    logger.error('failure');
+    logger.debug?.('debug');
+
+    expect(warn).not.toHaveBeenCalled();
+  });
+});