로깅 추가

packages/backend/src/services/onlyOffice.ts

@@ -1,4 +1,5 @@
 import { config } from '../config.js';
+import { logger } from '../logger.js';
 import type { SessionDoc } from '../types/session.js';
 import { overwriteDocument } from './sessionStore.js';
 import { signOnlyOfficePayload } from '../utils/jwt.js';
@@ -134,7 +135,9 @@ export async function convertToOriginalFormat(
     });
 
     if (!res.ok) {
-      console.error('[convert] HTTP', res.status);
+      logger.error('OnlyOffice conversion HTTP error', {
+        statusCode: res.status,
+      });
       return null;
     }
 
@@ -145,7 +148,10 @@ export async function convertToOriginalFormat(
     };
 
     if (data.error || !data.fileUrl) {
-      console.error('[convert] failed', data);
+      logger.error('OnlyOffice conversion failed', {
+        errorCode: data.error,
+        hasFileUrl: Boolean(data.fileUrl),
+      });
       return null;
     }
 
@@ -153,7 +159,7 @@ export async function convertToOriginalFormat(
     if (!fileRes.ok) return null;
     return Buffer.from(await fileRes.arrayBuffer());
   } catch (err) {
-    console.error('[convert] error', err);
+    logger.error('OnlyOffice conversion error', { err });
     return null;
   }
 }

packages/backend/src/services/sessionStore.ts

@@ -3,6 +3,7 @@ import path from 'node:path';
 import { randomBytes } from 'node:crypto';
 import { v4 as uuidv4 } from 'uuid';
 import { config } from '../config.js';
+import { logger } from '../logger.js';
 import type { Session, SessionDoc } from '../types/session.js';
 import { documentTypeFor, mimeFor } from '../utils/formats.js';
 
@@ -151,10 +152,14 @@ export async function sweepExpired(): Promise<number> {
 
 export function startSweeper(intervalMs = 60_000): NodeJS.Timeout {
   return setInterval(() => {
-    void sweepExpired().then((n) => {
-      if (n > 0) {
-        console.log(`[session] swept ${n} expired session(s)`);
-      }
-    });
+    void sweepExpired()
+      .then((n) => {
+        if (n > 0) {
+          logger.info(`Swept ${n} expired session(s)`);
+        }
+      })
+      .catch((err) => {
+        logger.error('Failed to sweep expired sessions', { err });
+      });
   }, intervalMs);
 }