feat(logging): add Seq transport, global meta fields, and improve error handling

- Add Seq centralized logging transport with async ESM import
- Add appVersion and computerName to logger defaultMeta (all app logs)
- Add appVersion to audit log entries for version-level traceability
- Improve unhandledRejection to capture full stack traces for Error instances
- Add Seq config schema and template configuration

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

config.template.yaml

@@ -63,6 +63,16 @@ logging:
   auditRetention: 30
   appRetention: 14
 
+# Seq 日志聚合服务配置（可选，用于集中管理日志）
+seq:
+  enabled: false # 设置为 true 启用 Seq 日志发送
+  serverUrl: 'http://localhost:5341' # Seq 服务器地址
+  apiKey: '' # 可选：API key 用于认证
+  batchPostingLimit: 50 # 每批次最大日志条目数
+  period: 2000 # 发送间隔 (毫秒)
+  queueLimit: 10000 # 本地队列最大容量
+  maxRetries: 3 # 失败重试次数
+
 # RustFS 对象存储配置（用于持久化报告）
 rustfs:
   enabled: false # 设置为 true 启用 RustFS 上传

package-lock.json

@@ -10,6 +10,7 @@
       "hasInstallScript": true,
       "dependencies": {
         "@aws-sdk/client-s3": "^3.929.0",
+        "@datalust/winston-seq": "^3.0.1",
         "@electron-toolkit/preload": "^3.0.2",
         "@electron-toolkit/utils": "^4.0.0",
         "@headlessui/react": "^2.2.9",
@@ -970,6 +971,7 @@
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       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@azure/abort-controller": "^2.1.2",
         "@azure/core-auth": "^1.10.0",
@@ -1031,6 +1033,7 @@
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       "integrity": "sha512-MzHym+wOi8CLUlKCQu12de0nwcq9k9Kuv43j4Wa++CsCpJwps2eeBQwD2Bu8snkxTtDKDx4GwjuR9E8yC8LNrg==",
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@azure/abort-controller": "^2.1.2",
         "@azure/core-auth": "^1.10.0",
@@ -1222,6 +1225,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@babel/code-frame": "^7.29.0",
         "@babel/generator": "^7.29.0",
@@ -1528,6 +1532,19 @@
         "kuler": "^2.0.0"
       }
     },
+    "node_modules/@datalust/winston-seq": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/@datalust/winston-seq/-/winston-seq-3.0.1.tgz",
+      "integrity": "sha512-jWJd5PKcj/nM5f1T65KJgKaxPJRADWe+GEWtj1yEji1H0ub4RWhBEDLYzIFdwUy365lxtc5njsakenp4Evmv+g==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "seq-logging": "^3.0.0",
+        "winston-transport": "^4.9.0"
+      },
+      "peerDependencies": {
+        "winston": "^3.17.0"
+      }
+    },
     "node_modules/@develar/schema-utils": {
       "version": "2.6.5",
       "resolved": "https://registry.npmjs.org/@develar/schema-utils/-/schema-utils-2.6.5.tgz",
@@ -1999,7 +2016,6 @@
       "dev": true,
       "license": "BSD-2-Clause",
       "optional": true,
-      "peer": true,
       "dependencies": {
         "cross-dirname": "^0.1.0",
         "debug": "^4.3.4",
@@ -2021,7 +2037,6 @@
       "dev": true,
       "license": "MIT",
       "optional": true,
-      "peer": true,
       "dependencies": {
         "graceful-fs": "^4.2.0",
         "jsonfile": "^6.0.1",
@@ -2038,7 +2053,6 @@
       "dev": true,
       "license": "MIT",
       "optional": true,
-      "peer": true,
       "dependencies": {
         "universalify": "^2.0.0"
       },
@@ -2053,7 +2067,6 @@
       "dev": true,
       "license": "MIT",
       "optional": true,
-      "peer": true,
       "engines": {
         "node": ">= 10.0.0"
       }
@@ -5002,6 +5015,7 @@
       "resolved": "https://registry.npmjs.org/@types/node/-/node-22.19.13.tgz",
       "integrity": "sha512-akNQMv0wW5uyRpD2v2IEyRSZiR+BeGuoB6L310EgGObO44HSMNT8z1xzio28V8qOrgYaopIDNA18YgdXd+qTiw==",
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "undici-types": "~6.21.0"
       }
@@ -5023,6 +5037,7 @@
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       "integrity": "sha512-ilcTH/UniCkMdtexkoCN0bI7pMcJDvmQFPvuPvmEaYA/NSfFTAgdUSLAoVjaRJm7+6PvcM+q1zYOwS4wTYMF9w==",
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "csstype": "^3.2.2"
       }
@@ -5143,6 +5158,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@typescript-eslint/scope-manager": "8.56.1",
         "@typescript-eslint/types": "8.56.1",
@@ -5582,6 +5598,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -5614,6 +5631,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "fast-deep-equal": "^3.1.1",
         "fast-json-stable-stringify": "^2.0.0",
@@ -6376,6 +6394,7 @@
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       ],
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "baseline-browser-mapping": "^2.9.0",
         "caniuse-lite": "^1.0.30001759",
@@ -7171,8 +7190,7 @@
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       "dev": true,
       "license": "MIT",
-      "optional": true,
+      "optional": true
-      "peer": true
     },
     "node_modules/cross-spawn": {
       "version": "7.0.6",
@@ -7705,6 +7723,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "app-builder-lib": "26.8.1",
         "builder-util": "26.8.1",
@@ -7919,6 +7938,7 @@
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       "hasInstallScript": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@electron/get": "^2.0.0",
         "@types/node": "^22.7.7",
@@ -8107,7 +8127,6 @@
       "dev": true,
       "hasInstallScript": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@electron/asar": "^3.2.1",
         "debug": "^4.1.1",
@@ -8128,7 +8147,6 @@
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       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "graceful-fs": "^4.1.2",
         "jsonfile": "^4.0.0",
@@ -8150,17 +8168,6 @@
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       "license": "MIT"
     },
-    "node_modules/encoding": {
-      "version": "0.1.13",
-      "resolved": "https://registry.npmjs.org/encoding/-/encoding-0.1.13.tgz",
-      "integrity": "sha512-ETBauow1T35Y/WZMkio9jiM0Z5xjHHmJ4XmjZOq1l/dXz3lr2sRn87nJy20RupqSh1F2m3HHPSp8ShIPQJrJ3A==",
-      "dev": true,
-      "license": "MIT",
-      "optional": true,
-      "dependencies": {
-        "iconv-lite": "^0.6.2"
-      }
-    },
     "node_modules/end-of-stream": {
       "version": "1.4.5",
       "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.5.tgz",
@@ -8467,6 +8474,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.8.0",
         "@eslint-community/regexpp": "^4.12.1",
@@ -8527,6 +8535,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "bin": {
         "eslint-config-prettier": "bin/cli.js"
       },
@@ -9955,7 +9964,7 @@
       "version": "0.6.3",
       "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.6.3.tgz",
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-      "dev": true,
+      "devOptional": true,
       "license": "MIT",
       "dependencies": {
         "safer-buffer": ">= 2.1.2 < 3.0.0"
@@ -12978,6 +12987,26 @@
         "url": "https://github.com/sponsors/ljharb"
       }
     },
+    "node_modules/node-fetch": {
+      "version": "2.7.0",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.7.0.tgz",
+      "integrity": "sha512-c4FRfUm/dbcWZ7U+1Wq0AwCyFL+3nt2bEw05wfxSz+DWpWsitgmSgYmy2dQdWyKC1694ELPqMs/YzUSNozLt8A==",
+      "license": "MIT",
+      "dependencies": {
+        "whatwg-url": "^5.0.0"
+      },
+      "engines": {
+        "node": "4.x || >=6.0.0"
+      },
+      "peerDependencies": {
+        "encoding": "^0.1.0"
+      },
+      "peerDependenciesMeta": {
+        "encoding": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/node-gyp": {
       "version": "11.5.0",
       "resolved": "https://registry.npmjs.org/node-gyp/-/node-gyp-11.5.0.tgz",
@@ -13514,6 +13543,7 @@
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       "license": "MIT",
+      "peer": true,
       "engines": {
         "node": ">=12"
       },
@@ -13594,6 +13624,7 @@
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       ],
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "nanoid": "^3.3.11",
         "picocolors": "^1.1.1",
@@ -13617,7 +13648,6 @@
       "dev": true,
       "license": "MIT",
       "optional": true,
-      "peer": true,
       "dependencies": {
         "commander": "^9.4.0"
       },
@@ -13635,7 +13665,6 @@
       "dev": true,
       "license": "MIT",
       "optional": true,
-      "peer": true,
       "engines": {
         "node": "^12.20.0 || >=14"
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@@ -13656,6 +13685,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "bin": {
         "prettier": "bin/prettier.cjs"
       },
@@ -13797,6 +13827,7 @@
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       "license": "MIT",
+      "peer": true,
       "engines": {
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       }
@@ -13818,6 +13849,7 @@
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       "integrity": "sha512-AXJdLo8kgMbimY95O2aKQqsz2iWi9jMgKJhRBAxECE4IFxfcazB2LmzloIoibJI3C12IlY20+KFaLv+71bUJeQ==",
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "scheduler": "^0.27.0"
       },
@@ -13852,7 +13884,8 @@
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       "resolved": "https://registry.npmjs.org/react-is/-/react-is-16.13.1.tgz",
       "integrity": "sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ==",
-      "license": "MIT"
+      "license": "MIT",
+      "peer": true
     },
     "node_modules/react-markdown": {
       "version": "10.1.0",
@@ -13886,6 +13919,7 @@
       "resolved": "https://registry.npmjs.org/react-redux/-/react-redux-9.2.0.tgz",
       "integrity": "sha512-ROY9fvHhwOD9ySfrF0wmvu//bKCQ6AeZZq1nJNtbDC+kk5DuSuNX/n6YWYF/SYy7bSba4D4FSz8DJeKY/S/r+g==",
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@types/use-sync-external-store": "^0.0.6",
         "use-sync-external-store": "^1.4.0"
@@ -14011,7 +14045,8 @@
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/redux/-/redux-5.0.1.tgz",
       "integrity": "sha512-M9/ELqF6fy8FwmkpnF0S3YKOqMyoWJ4+CS5Efg2ct3oY9daQvd/Pc71FpGZsVsbl3Cpb+IIcjBDUnnyBdQbq4w==",
-      "license": "MIT"
+      "license": "MIT",
+      "peer": true
     },
     "node_modules/redux-thunk": {
       "version": "3.1.0",
@@ -14540,6 +14575,19 @@
       "license": "MIT",
       "optional": true
     },
+    "node_modules/seq-logging": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/seq-logging/-/seq-logging-3.0.0.tgz",
+      "integrity": "sha512-ys5QV0745vxBCWuZBPSkgoobuLoUMxTSz1g7ZclHqX1tXXKFLyRIIn8V89EPgDnfRiWfoSo4KSxy/E0MtOYYyw==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "abort-controller": "^3.0.0",
+        "node-fetch": "^2.7.0"
+      },
+      "engines": {
+        "node": ">=14.18"
+      }
+    },
     "node_modules/serialize-error": {
       "version": "7.0.1",
       "resolved": "https://registry.npmjs.org/serialize-error/-/serialize-error-7.0.1.tgz",
@@ -15405,7 +15453,6 @@
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       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "mkdirp": "^0.5.1",
         "rimraf": "~2.6.2"
@@ -15571,6 +15618,12 @@
         "node": ">= 0.4"
       }
     },
+    "node_modules/tr46": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
+      "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==",
+      "license": "MIT"
+    },
     "node_modules/traverse": {
       "version": "0.3.9",
       "resolved": "https://registry.npmjs.org/traverse/-/traverse-0.3.9.tgz",
@@ -16441,6 +16494,7 @@
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       "dev": true,
       "license": "Apache-2.0",
+      "peer": true,
       "bin": {
         "tsc": "bin/tsc",
         "tsserver": "bin/tsserver"
@@ -16878,6 +16932,7 @@
       "resolved": "https://registry.npmjs.org/vite/-/vite-7.3.1.tgz",
       "integrity": "sha512-w+N7Hifpc3gRjZ63vYBXA56dvvRlNWRczTdmCBBa+CotUzAPf5b7YMdMR/8CQoeYE5LX3W4wj6RYTgonm1b9DA==",
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "esbuild": "^0.27.0",
         "fdir": "^6.5.0",
@@ -17424,6 +17479,7 @@
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       "dev": true,
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@vitest/expect": "4.0.18",
         "@vitest/mocker": "4.0.18",
@@ -17506,6 +17562,22 @@
         "defaults": "^1.0.3"
       }
     },
+    "node_modules/webidl-conversions": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
+      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==",
+      "license": "BSD-2-Clause"
+    },
+    "node_modules/whatwg-url": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
+      "integrity": "sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==",
+      "license": "MIT",
+      "dependencies": {
+        "tr46": "~0.0.3",
+        "webidl-conversions": "^3.0.0"
+      }
+    },
     "node_modules/which": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/which/-/which-5.0.0.tgz",
@@ -17632,6 +17704,7 @@
       "resolved": "https://registry.npmjs.org/winston/-/winston-3.19.0.tgz",
       "integrity": "sha512-LZNJgPzfKR+/J3cHkxcpHKpKKvGfDZVPS4hfJCc4cCG0CgYzvlD6yE/S3CIL/Yt91ak327YCpiF/0MyeZHEHKA==",
       "license": "MIT",
+      "peer": true,
       "dependencies": {
         "@colors/colors": "^1.6.0",
         "@dabh/diagnostics": "^2.0.8",
@@ -17869,6 +17942,7 @@
       "resolved": "https://registry.npmjs.org/zod/-/zod-4.3.6.tgz",
       "integrity": "sha512-rftlrkhHZOcjDwkGlnUtZZkvaPHCsDATp4pGpuOOMDaTdDDXF91wuVDJoWoPsKX/3YPQ5fHuF3STjcYyKr+Qhg==",
       "license": "MIT",
+      "peer": true,
       "funding": {
         "url": "https://github.com/sponsors/colinhacks"
       }

package.json

@@ -34,6 +34,7 @@
   },
   "dependencies": {
     "@aws-sdk/client-s3": "^3.929.0",
+    "@datalust/winston-seq": "^3.0.1",
     "@electron-toolkit/preload": "^3.0.2",
     "@electron-toolkit/utils": "^4.0.0",
     "@headlessui/react": "^2.2.9",

src/main/bootstrap/process-guards.ts

@@ -1,6 +1,7 @@
 import { app } from 'electron'
 import logger from '../services/logger/index'
 import { logAudit, closeAuditLogger } from '../services/logger/audit-logger'
+import { serializeError } from '../services/logger/error-utils'
 
 export function setupProcessGuards(): void {
   process.on('uncaughtException', (err) => {
@@ -16,13 +17,17 @@ export function setupProcessGuards(): void {
   })
 
   process.on('unhandledRejection', (reason) => {
-    logger.error('Unhandled Rejection', { reason: String(reason) })
+    const errorMeta =
+      reason instanceof Error
+        ? { error: serializeError(reason) }
+        : { reason: String(reason) }
+    logger.error('Unhandled Rejection', errorMeta)
     logAudit('SYSTEM_ERROR', 'system', {
       username: 'system',
       computerName: process.env.COMPUTERNAME || 'unknown',
       resource: 'main-process',
       status: 'failure',
-      metadata: { reason: String(reason) }
+      metadata: errorMeta
     })
   })
 

src/main/services/config/config-manager.ts

@@ -102,6 +102,15 @@ const DEFAULT_CONFIG: FullConfig = {
     auditRetention: 30,
     appRetention: 14
   },
+  seq: {
+    enabled: false,
+    serverUrl: '',
+    apiKey: '',
+    batchPostingLimit: 50,
+    period: 2000,
+    queueLimit: 10000,
+    maxRetries: 3
+  },
   rustfs: {
     enabled: false,
     endpoint: '',
@@ -207,7 +216,7 @@ export class ConfigManager {
       this.config = validated
 
       // Apply logging configuration
-      applyLoggingConfig(validated.logging)
+      applyLoggingConfig(validated.logging, validated.seq)
       applyAuditConfig(validated.logging.auditRetention)
 
       log.info('Configuration loaded and validated successfully', {

src/main/services/logger/audit-logger.ts

@@ -6,6 +6,7 @@
 import winston from 'winston'
 import DailyRotateFile from 'winston-daily-rotate-file'
 import path from 'path'
+import { app } from 'electron'
 import { getLogDir } from './shared'
 
 /**
@@ -23,6 +24,8 @@ export interface AuditEntry {
   username: string
   /** Computer name from which the action was performed */
   computerName: string
+  /** Application version when the action was performed */
+  appVersion: string
   /** The resource that was affected (e.g., table name, file path) */
   resource: string
   /** Status of the action: 'success' | 'failure' | 'partial' */
@@ -104,6 +107,7 @@ export function logAudit(
     userId,
     username: details.username,
     computerName: details.computerName,
+    appVersion: app.getVersion(),
     resource: details.resource,
     status: details.status,
     metadata: details.metadata || {}

src/main/services/logger/index.ts

@@ -11,11 +11,14 @@
 import winston from 'winston'
 import DailyRotateFile from 'winston-daily-rotate-file'
 import path from 'path'
-import { BrowserWindow } from 'electron'
+import os from 'os'
+import { app, BrowserWindow } from 'electron'
 import { serializeError, sanitizeError } from './error-utils'
 import { getLogDir, isProduction, cleanupOldScreenshots } from './shared'
 import { IPC_CHANNELS } from '../../../shared/ipc-channels'
 import { getContext, run } from './request-context'
+import { createSeqTransportSync } from './seq-transport'
+import type { SeqConfig } from '../../types/config.schema'
 
 // Cache isProduction() at module load — app.isPackaged never changes at runtime
 const IS_PROD = isProduction()
@@ -154,7 +157,11 @@ const createFileTransport = (level?: string, maxFiles?: string): DailyRotateFile
 // File transports are added after config is loaded via applyLoggingConfig()
 const logger = winston.createLogger({
   level: 'info', // Default level, can be updated via setLogLevel()
-  defaultMeta: { service: 'erpauto' },
+  defaultMeta: {
+    service: 'erpauto',
+    appVersion: app.getVersion(),
+    computerName: os.hostname()
+  },
   transports: [
     // Console transport - always enabled
     new winston.transports.Console({
@@ -181,10 +188,15 @@ export function setLogLevel(level: string): void {
 /**
  * Apply logging configuration from config file
  * Removes existing DailyRotateFile transports and recreates them with config values
+ * Also configures Seq transport if enabled
  *
  * @param config - Logging configuration from config.yaml
+ * @param seqConfig - Optional Seq configuration from config.yaml
  */
-export function applyLoggingConfig(config: { level: string; appRetention: number }): void {
+export function applyLoggingConfig(
+  config: { level: string; appRetention: number },
+  seqConfig?: SeqConfig
+): void {
   // Update log level
   setLogLevel(config.level)
 
@@ -213,6 +225,47 @@ export function applyLoggingConfig(config: { level: string; appRetention: number
     )
   }
 
+  // Add Seq transport if configured and enabled
+  // Note: Uses sync wrapper which initializes asynchronously
+  if (seqConfig && seqConfig.enabled && seqConfig.serverUrl) {
+    try {
+      const seqTransport = createSeqTransportSync(seqConfig)
+      if (seqTransport) {
+        logger.add(seqTransport)
+        logger.info('Seq transport added successfully', {
+          serverUrl: seqConfig.serverUrl,
+          batchPostingLimit: seqConfig.batchPostingLimit,
+          period: seqConfig.period,
+          context: 'seq-transport'
+        })
+      } else {
+        // Transport not ready yet, will be initialized on next call
+        logger.debug('Seq transport initialization in progress', {
+          serverUrl: seqConfig.serverUrl,
+          context: 'seq-transport'
+        })
+        // Initialize and add when ready
+        import('./seq-transport').then(({ createSeqTransport }) => {
+          createSeqTransport(seqConfig).then((transport) => {
+            if (transport) {
+              logger.add(transport)
+              logger.info('Seq transport added (async init complete)', {
+                serverUrl: seqConfig.serverUrl,
+                context: 'seq-transport'
+              })
+            }
+          })
+        })
+      }
+    } catch (error) {
+      logger.error('Failed to add Seq transport', {
+        error: error instanceof Error ? error.message : String(error),
+        context: 'seq-transport'
+      })
+      // Don't throw - allow app to continue without Seq
+    }
+  }
+
   // Clean up old screenshot files beyond the retention window
   cleanupOldScreenshots(config.appRetention)
 }

src/main/services/logger/seq-transport.ts

@@ -0,0 +1,131 @@
+/**
+ * Seq logging transport using @datalust/winston-seq
+ *
+ * Provides asynchronous batched logging to Seq server
+ * with configurable parameters for production use.
+ *
+ * Features:
+ * - Non-blocking async batch sending (via dynamic import)
+ * - Configurable batch size, period, queue limits
+ * - Automatic retry on failure
+ * - Graceful shutdown with flush
+ * - Error suppression (Seq failures don't crash app)
+ *
+ * Note: Uses dynamic import because @datalust/winston-seq is an ESM module
+ */
+
+import type { SeqConfig } from '../../types/config.schema'
+import logger from './index'
+
+/**
+ * Seq transport constructor type (from dynamic import)
+ */
+type SeqTransportClass = new (options: {
+  serverUrl: string
+  apiKey?: string
+  batchSizeLimit?: number
+  maxBatchingTime?: number
+  maxRetries?: number
+  onError?: (error: Error) => void
+}) => any
+
+/**
+ * Create and configure Seq transport dynamically
+ *
+ * This function handles the ESM module loading and returns
+ * a configured transport instance compatible with Winston.
+ *
+ * @param config - Seq configuration from config.schema
+ * @returns Promise resolving to transport instance or null if disabled/failed
+ */
+export async function createSeqTransport(config: SeqConfig): Promise<any> {
+  // Don't create transport if disabled
+  if (!config.enabled || !config.serverUrl) {
+    logger.info('Seq logging is disabled or server URL not provided', {
+      enabled: config.enabled,
+      hasServerUrl: !!config.serverUrl,
+      context: 'seq-transport'
+    })
+    return null
+  }
+
+  try {
+    // Dynamically import the ESM module
+    const { SeqTransport } = await import('@datalust/winston-seq')
+    const SeqTransportClass = SeqTransport as SeqTransportClass
+
+    // Create transport instance with mapped config
+    const transport = new SeqTransportClass({
+      serverUrl: config.serverUrl,
+      apiKey: config.apiKey || undefined,
+      batchSizeLimit: config.batchPostingLimit,
+      maxBatchingTime: config.period,
+      maxRetries: config.maxRetries,
+      onError: (error: Error) => {
+        // Log errors but don't throw - Seq failures should not crash app
+        logger.error('Seq transport error', {
+          error: error.message,
+          stack: error.stack,
+          context: 'seq-transport'
+        })
+      }
+    })
+
+    logger.info('Seq transport created successfully', {
+      serverUrl: config.serverUrl,
+      batchPostingLimit: config.batchPostingLimit,
+      period: config.period,
+      maxRetries: config.maxRetries,
+      context: 'seq-transport'
+    })
+
+    return transport
+  } catch (error) {
+    logger.error('Failed to create Seq transport', {
+      error: error instanceof Error ? error.message : String(error),
+      context: 'seq-transport'
+    })
+    // Return null to allow app to continue without Seq
+    return null
+  }
+}
+
+/**
+ * Sync factory wrapper for backward compatibility
+ *
+ * Note: This creates the transport asynchronously internally.
+ * The transport is cached and reused.
+ */
+let cachedTransport: any = null
+let isInitializing = false
+
+export function createSeqTransportSync(config: SeqConfig): any {
+  if (!config.enabled || !config.serverUrl) {
+    return null
+  }
+
+  if (cachedTransport) {
+    return cachedTransport
+  }
+
+  if (!isInitializing) {
+    isInitializing = true
+    createSeqTransport(config)
+      .then((transport) => {
+        cachedTransport = transport
+      })
+      .catch((error) => {
+        logger.error('Seq transport initialization failed', {
+          error: error instanceof Error ? error.message : String(error)
+        })
+      })
+      .finally(() => {
+        isInitializing = false
+      })
+  }
+
+  // Return null on first call, transport will be available on next call
+  return null
+}
+
+export default createSeqTransportSync

src/main/types/audit.types.ts

@@ -35,6 +35,8 @@ export interface AuditEntry {
   username: string
   /** Computer name where action was performed */
   computerName: string
+  /** Application version when action was performed */
+  appVersion: string
   /** Resource affected by the action */
   resource?: string
   /** Status of the action */

src/main/types/config.schema.ts

@@ -132,6 +132,21 @@ export const loggingConfigSchema = z.object({
   appRetention: z.number().int().min(1).max(365).default(14)
 })
 
+/**
+ * Seq 日志聚合服务配置 Schema
+ */
+export const seqConfigSchema = z.object({
+  enabled: z.boolean().default(false),
+  serverUrl: z.string().url('Seq server URL must be a valid URL').optional().default(''),
+  apiKey: z.string().optional().default(''),
+  batchPostingLimit: z.number().int().min(1).max(1000).default(50),
+  period: z.number().int().min(1000).max(30000).default(2000), // milliseconds
+  queueLimit: z.number().int().min(1).max(10000).default(10000),
+  maxRetries: z.number().int().min(0).max(10).default(3)
+})
+
+export type SeqConfig = z.infer<typeof seqConfigSchema>
+
 /**
  * RustFS 对象存储配置 Schema
  */
@@ -172,6 +187,7 @@ export const fullConfigSchema = z.object({
   cleaner: cleanerConfigSchema,
   orderResolution: orderResolutionSchema,
   logging: loggingConfigSchema,
+  seq: seqConfigSchema.optional(),
   rustfs: rustfsConfigSchema.optional(),
   update: updateConfigSchema.optional()
 })