feat: 优化Excel导出功能，专注用量数据统计

- 简化导出内容，仅包含用量相关数据
- 保留API Key名称和所有者信息
- 导出详细的分模型用量统计：
  * 今日各模型请求数、费用、输入/输出/总Token
  * 累计各模型请求数、费用、输入/输出/总Token
  * 根据时间筛选条件导出对应周期的模型统计
- 文件名包含时间筛选条件，便于识别数据范围
- 动态设置列宽，优化Excel显示效果
- 移除冗余的配置信息，专注核心用量数据

🤖 Generated with [Claude Code](https://claude.ai/code)

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

web/admin-spa/package-lock.json

@@ -15,7 +15,8 @@
         "element-plus": "^2.4.4",
         "pinia": "^2.1.7",
         "vue": "^3.3.4",
-        "vue-router": "^4.2.5"
+        "vue-router": "^4.2.5",
+        "xlsx": "^0.18.5"
       },
       "devDependencies": {
         "@playwright/test": "^1.55.0",
@@ -1366,6 +1367,15 @@
         "acorn": "^6.0.0 || ^7.0.0 || ^8.0.0"
       }
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+    "node_modules/adler-32": {
+      "version": "1.3.1",
+      "resolved": "https://registry.npmjs.org/adler-32/-/adler-32-1.3.1.tgz",
+      "integrity": "sha512-ynZ4w/nUUv5rrsR8UUGoe1VC9hZj6V5hU9Qw1HlMDJGEJw5S7TfTErWTjMys6M7vr0YWcPqs3qAr4ss0nDfP+A==",
+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=0.8"
+      }
+    },
     "node_modules/ajv": {
       "version": "6.12.6",
       "resolved": "https://registry.npmmirror.com/ajv/-/ajv-6.12.6.tgz",
@@ -1643,6 +1653,19 @@
       ],
       "license": "CC-BY-4.0"
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+    "node_modules/cfb": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/cfb/-/cfb-1.2.2.tgz",
+      "integrity": "sha512-KfdUZsSOw19/ObEWasvBP/Ac4reZvAGauZhs6S/gqNhXhI7cKwvlH7ulj+dOEYnca4bm4SGo8C1bTAQvnTjgQA==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "adler-32": "~1.3.0",
+        "crc-32": "~1.2.0"
+      },
+      "engines": {
+        "node": ">=0.8"
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       "resolved": "https://registry.npmmirror.com/chalk/-/chalk-4.1.2.tgz",
@@ -1710,6 +1733,15 @@
         "node": ">= 6"
       }
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+    "node_modules/codepage": {
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+      "resolved": "https://registry.npmjs.org/codepage/-/codepage-1.15.0.tgz",
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+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=0.8"
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     "node_modules/color-convert": {
       "version": "2.0.1",
       "resolved": "https://registry.npmmirror.com/color-convert/-/color-convert-2.0.1.tgz",
@@ -1766,6 +1798,18 @@
       "dev": true,
       "license": "MIT"
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+    "node_modules/crc-32": {
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+      "resolved": "https://registry.npmjs.org/crc-32/-/crc-32-1.2.2.tgz",
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+      "license": "Apache-2.0",
+      "bin": {
+        "crc32": "bin/crc32.njs"
+      },
+      "engines": {
+        "node": ">=0.8"
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+    },
     "node_modules/cross-spawn": {
       "version": "7.0.6",
       "resolved": "https://registry.npmmirror.com/cross-spawn/-/cross-spawn-7.0.6.tgz",
@@ -2497,6 +2541,15 @@
         "node": ">= 6"
       }
     },
+    "node_modules/frac": {
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+      "resolved": "https://registry.npmjs.org/frac/-/frac-1.1.2.tgz",
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+      "license": "Apache-2.0",
+      "engines": {
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+      }
+    },
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       "version": "4.3.7",
       "resolved": "https://registry.npmmirror.com/fraction.js/-/fraction.js-4.3.7.tgz",
@@ -4083,6 +4136,18 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/ssf": {
+      "version": "0.11.2",
+      "resolved": "https://registry.npmjs.org/ssf/-/ssf-0.11.2.tgz",
+      "integrity": "sha512-+idbmIXoYET47hH+d7dfm2epdOMUDjqcB4648sTZ+t2JwoyBFL/insLfB/racrDmsKB3diwsDA696pZMieAC5g==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "frac": "~1.1.2"
+      },
+      "engines": {
+        "node": ">=0.8"
+      }
+    },
     "node_modules/string-width": {
       "version": "5.1.2",
       "resolved": "https://registry.npmmirror.com/string-width/-/string-width-5.1.2.tgz",
@@ -5126,6 +5191,24 @@
         "node": ">= 8"
       }
     },
+    "node_modules/wmf": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wmf/-/wmf-1.0.2.tgz",
+      "integrity": "sha512-/p9K7bEh0Dj6WbXg4JG0xvLQmIadrner1bi45VMJTfnbVHsc7yIajZyoSoK60/dtVBs12Fm6WkUI5/3WAVsNMw==",
+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=0.8"
+      }
+    },
+    "node_modules/word": {
+      "version": "0.3.0",
+      "resolved": "https://registry.npmjs.org/word/-/word-0.3.0.tgz",
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+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=0.8"
+      }
+    },
     "node_modules/word-wrap": {
       "version": "1.2.5",
       "resolved": "https://registry.npmmirror.com/word-wrap/-/word-wrap-1.2.5.tgz",
@@ -5244,6 +5327,27 @@
       "dev": true,
       "license": "ISC"
     },
+    "node_modules/xlsx": {
+      "version": "0.18.5",
+      "resolved": "https://registry.npmjs.org/xlsx/-/xlsx-0.18.5.tgz",
+      "integrity": "sha512-dmg3LCjBPHZnQp5/F/+nnTa+miPJxUXB6vtk42YjBBKayDNagxGEeIdWApkYPOf3Z3pm3k62Knjzp7lMeTEtFQ==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "adler-32": "~1.3.0",
+        "cfb": "~1.2.1",
+        "codepage": "~1.15.0",
+        "crc-32": "~1.2.1",
+        "ssf": "~0.11.2",
+        "wmf": "~1.0.1",
+        "word": "~0.3.0"
+      },
+      "bin": {
+        "xlsx": "bin/xlsx.njs"
+      },
+      "engines": {
+        "node": ">=0.8"
+      }
+    },
     "node_modules/xml-name-validator": {
       "version": "4.0.0",
       "resolved": "https://registry.npmmirror.com/xml-name-validator/-/xml-name-validator-4.0.0.tgz",