refactor: 第三方库替换 & 代码精简 — v5.1.5

- Markdown 解析器：内联正则 → marked 库（完整 GFM 支持）
- HTML 净化器：内联 DOM 遍历 → DOMPurify（业界标准）
- crypto.ts：删除 sha256js/xorBytes 死代码回退路径
- 消除 5 个文件中 escapeHtml/formatSize 重复定义
- 版本号升级至 5.1.5

package-lock.json

@@ -1,17 +1,20 @@
 {
   "name": "metona-ollama-desktop",
-  "version": "5.1.4",
+  "version": "5.1.5",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "metona-ollama-desktop",
-      "version": "5.1.4",
+      "version": "5.1.5",
       "license": "MIT",
       "dependencies": {
+        "dompurify": "^3.4.0",
+        "marked": "^18.0.2",
         "sql.js": "^1.11.0"
       },
       "devDependencies": {
+        "@types/dompurify": "^3.0.5",
         "@types/node": "^20.17.0",
         "electron": "^33.4.11",
         "electron-builder": "^25.1.8",
@@ -855,7 +858,7 @@
       "license": "MIT"
     },
     "node_modules/@isaacs/cliui/node_modules/string-width": {
-      "version": "5.1.4",
+      "version": "5.1.5",
       "resolved": "https://registry.npmmirror.com/string-width/-/string-width-5.1.2.tgz",
       "integrity": "sha512-HnLOCR3vjcY8beoNLtcjZ5/nxn2afmME6lhrDrebokqMap+XbeW8n9TXpPDOqdGK5qcI3oT0GKTW6wC7EMiVqA==",
       "dev": true,
@@ -1446,6 +1449,16 @@
         "@types/ms": "*"
       }
     },
+    "node_modules/@types/dompurify": {
+      "version": "3.0.5",
+      "resolved": "https://registry.npmmirror.com/@types/dompurify/-/dompurify-3.0.5.tgz",
+      "integrity": "sha512-1Wg0g3BtQF7sSb27fJQAKck1HECM6zV1EB66j8JH9i3LCjYabJa0FSdiSgsD5K/RbrsR0SiraKacLB+T8ZVYAg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/trusted-types": "*"
+      }
+    },
     "node_modules/@types/estree": {
       "version": "1.0.8",
       "resolved": "https://registry.npmmirror.com/@types/estree/-/estree-1.0.8.tgz",
@@ -1519,6 +1532,13 @@
         "@types/node": "*"
       }
     },
+    "node_modules/@types/trusted-types": {
+      "version": "2.0.7",
+      "resolved": "https://registry.npmmirror.com/@types/trusted-types/-/trusted-types-2.0.7.tgz",
+      "integrity": "sha512-ScaPdn1dQczgbl0QFTeTOmVHFULt394XJgOQNoyVhZ6r2vLnMLJfBPd53SB52T/3G36VI1/g2MZaX0cwDuXsfw==",
+      "devOptional": true,
+      "license": "MIT"
+    },
     "node_modules/@types/verror": {
       "version": "1.10.11",
       "resolved": "https://registry.npmmirror.com/@types/verror/-/verror-1.10.11.tgz",
@@ -1826,7 +1846,7 @@
       }
     },
     "node_modules/archiver-utils/node_modules/safe-buffer": {
-      "version": "5.1.4",
+      "version": "5.1.5",
       "resolved": "https://registry.npmmirror.com/safe-buffer/-/safe-buffer-5.1.2.tgz",
       "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
       "dev": true,
@@ -2898,6 +2918,15 @@
         "node": ">=8"
       }
     },
+    "node_modules/dompurify": {
+      "version": "3.4.0",
+      "resolved": "https://registry.npmmirror.com/dompurify/-/dompurify-3.4.0.tgz",
+      "integrity": "sha512-nolgK9JcaUXMSmW+j1yaSvaEaoXYHwWyGJlkoCTghc97KgGDDSnpoU/PlEnw63Ah+TGKFOyY+X5LnxaWbCSfXg==",
+      "license": "(MPL-2.0 OR Apache-2.0)",
+      "optionalDependencies": {
+        "@types/trusted-types": "^2.0.7"
+      }
+    },
     "node_modules/dotenv": {
       "version": "16.6.1",
       "resolved": "https://registry.npmmirror.com/dotenv/-/dotenv-16.6.1.tgz",
@@ -4251,7 +4280,7 @@
       }
     },
     "node_modules/lazystream/node_modules/safe-buffer": {
-      "version": "5.1.4",
+      "version": "5.1.5",
       "resolved": "https://registry.npmmirror.com/safe-buffer/-/safe-buffer-5.1.2.tgz",
       "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g==",
       "dev": true,
@@ -4436,6 +4465,18 @@
         "node": ">=12"
       }
     },
+    "node_modules/marked": {
+      "version": "18.0.2",
+      "resolved": "https://registry.npmmirror.com/marked/-/marked-18.0.2.tgz",
+      "integrity": "sha512-NsmlUYBS/Zg57rgDWMYdnre6OTj4e+qq/JS2ot3KrYLSoHLw+sDu0Nm1ZGpRgYAq6c+b1ekaY5NzVchMCQnzcg==",
+      "license": "MIT",
+      "bin": {
+        "marked": "bin/marked.js"
+      },
+      "engines": {
+        "node": ">= 20"
+      }
+    },
     "node_modules/matcher": {
       "version": "3.0.0",
       "resolved": "https://registry.npmmirror.com/matcher/-/matcher-3.0.0.tgz",
@@ -4863,7 +4904,7 @@
       }
     },
     "node_modules/onetime": {
-      "version": "5.1.4",
+      "version": "5.1.5",
       "resolved": "https://registry.npmmirror.com/onetime/-/onetime-5.1.2.tgz",
       "integrity": "sha512-kbpaSSGJTWdAY5KPVeMOKXSrPtr8C8C7wodJbcsd51jRnmD+GZu8Y0VoU6Dm5Z4vWr0Ig/1NKuWRKf7j5aaYSg==",
       "dev": true,