feat: add LaTeX formula rendering support to ChatMessage component

- Add KaTeX dependencies (katex, rehype-katex,

@types
/katex)
- Configure ReactMarkdown with rehype-katex plugin
- Support both inline ($...$) and block ($$...$$) LaTeX formulas
- Add theme-aware error handling and responsive styling

lightrag_webui/bun.lock

@@ -35,6 +35,7 @@
         "graphology": "^0.26.0",
         "graphology-generators": "^0.11.2",
         "i18next": "^24.2.2",
+        "katex": "^0.16.22",
         "lucide-react": "^0.475.0",
         "mermaid": "^11.6.0",
         "minisearch": "^7.1.2",
@@ -47,6 +48,7 @@
         "react-number-format": "^5.4.3",
         "react-router-dom": "^7.3.0",
         "react-syntax-highlighter": "^15.6.1",
+        "rehype-katex": "^7.0.1",
         "rehype-react": "^8.0.0",
         "remark-gfm": "^4.0.1",
         "remark-math": "^6.0.0",
@@ -63,6 +65,7 @@
         "@stylistic/eslint-plugin-js": "^3.1.0",
         "@tailwindcss/vite": "^4.0.8",
         "@types/bun": "^1.2.3",
+        "@types/katex": "^0.16.7",
         "@types/node": "^22.13.5",
         "@types/react": "^19.0.10",
         "@types/react-dom": "^19.0.4",
@@ -796,6 +799,8 @@
 
     "enhanced-resolve": ["[email protected]", "", { "dependencies": { "graceful-fs": "^4.2.4", "tapable": "^2.2.0" } }, "sha512-ZSW3ma5GkcQBIpwZTSRAI8N71Uuwgs93IezB7mf7R60tC8ZbJideoDNKjHn2O9KIlx6rkGTTEk1xUCK2E1Y2Yg=="],
 
+    "entities": ["[email protected]", "", {}, "sha512-aKstq2TDOndCn4diEyp9Uq/Flu2i1GlLkc6XIDQSDMuaFE3OPW5OphLCyQ5SpSJZTb4reN+kTcYru5yIfXoRPw=="],
+
     "error-ex": ["[email protected]", "", { "dependencies": { "is-arrayish": "^0.2.1" } }, "sha512-7dFHNmqeFSEt2ZBsCriorKnn3Z2pj+fd9kmI6QoWw4//DL+icEBfc0U7qJCisqrTsKTjw4fNFy2pW9OqStD84g=="],
 
     "es-abstract": ["[email protected]", "", { "dependencies": { "array-buffer-byte-length": "^1.0.2", "arraybuffer.prototype.slice": "^1.0.4", "available-typed-arrays": "^1.0.7", "call-bind": "^1.0.8", "call-bound": "^1.0.3", "data-view-buffer": "^1.0.2", "data-view-byte-length": "^1.0.2", "data-view-byte-offset": "^1.0.1", "es-define-property": "^1.0.1", "es-errors": "^1.3.0", "es-object-atoms": "^1.0.0", "es-set-tostringtag": "^2.1.0", "es-to-primitive": "^1.3.0", "function.prototype.name": "^1.1.8", "get-intrinsic": "^1.2.7", "get-proto": "^1.0.0", "get-symbol-description": "^1.1.0", "globalthis": "^1.0.4", "gopd": "^1.2.0", "has-property-descriptors": "^1.0.2", "has-proto": "^1.2.0", "has-symbols": "^1.1.0", "hasown": "^2.0.2", "internal-slot": "^1.1.0", "is-array-buffer": "^3.0.5", "is-callable": "^1.2.7", "is-data-view": "^1.0.2", "is-regex": "^1.2.1", "is-shared-array-buffer": "^1.0.4", "is-string": "^1.1.1", "is-typed-array": "^1.1.15", "is-weakref": "^1.1.0", "math-intrinsics": "^1.1.0", "object-inspect": "^1.13.3", "object-keys": "^1.1.1", "object.assign": "^4.1.7", "own-keys": "^1.0.1", "regexp.prototype.flags": "^1.5.3", "safe-array-concat": "^1.1.3", "safe-push-apply": "^1.0.0", "safe-regex-test": "^1.1.0", "set-proto": "^1.0.0", "string.prototype.trim": "^1.2.10", "string.prototype.trimend": "^1.0.9", "string.prototype.trimstart": "^1.0.8", "typed-array-buffer": "^1.0.3", "typed-array-byte-length": "^1.0.3", "typed-array-byte-offset": "^1.0.4", "typed-array-length": "^1.0.7", "unbox-primitive": "^1.1.0", "which-typed-array": "^1.1.18" } }, "sha512-py07lI0wjxAC/DcfK1S6G7iANonniZwTISvdPzk9hzeH0IZIshbuuFxLIU96OyF89Yb9hiqWn8M/bY83KY5vzA=="],
@@ -952,10 +957,22 @@
 
     "hasown": ["[email protected]", "", { "dependencies": { "function-bind": "^1.1.2" } }, "sha512-0hJU9SCPvmMzIBdZFqNPXWa6dqh7WdH0cII9y+CyS8rG3nL48Bclra9HmKhVVUHyPWNH5Y7xDwAB7bfgSjkUMQ=="],
 
+    "hast-util-from-dom": ["[email protected]", "", { "dependencies": { "@types/hast": "^3.0.0", "hastscript": "^9.0.0", "web-namespaces": "^2.0.0" } }, "sha512-N+LqofjR2zuzTjCPzyDUdSshy4Ma6li7p/c3pA78uTwzFgENbgbUrm2ugwsOdcjI1muO+o6Dgzp9p8WHtn/39Q=="],
+
+    "hast-util-from-html": ["[email protected]", "", { "dependencies": { "@types/hast": "^3.0.0", "devlop": "^1.1.0", "hast-util-from-parse5": "^8.0.0", "parse5": "^7.0.0", "vfile": "^6.0.0", "vfile-message": "^4.0.0" } }, "sha512-CUSRHXyKjzHov8yKsQjGOElXy/3EKpyX56ELnkHH34vDVw1N1XSQ1ZcAvTyAPtGqLTuKP/uxM+aLkSPqF/EtMw=="],
+
+    "hast-util-from-html-isomorphic": ["[email protected]", "", { "dependencies": { "@types/hast": "^3.0.0", "hast-util-from-dom": "^5.0.0", "hast-util-from-html": "^2.0.0", "unist-util-remove-position": "^5.0.0" } }, "sha512-zJfpXq44yff2hmE0XmwEOzdWin5xwH+QIhMLOScpX91e/NSGPsAzNCvLQDIEPyO2TXi+lBmU6hjLIhV8MwP2kw=="],
+
+    "hast-util-from-parse5": ["[email protected]", "", { "dependencies": { "@types/hast": "^3.0.0", "@types/unist": "^3.0.0", "devlop": "^1.0.0", "hastscript": "^9.0.0", "property-information": "^7.0.0", "vfile": "^6.0.0", "vfile-location": "^5.0.0", "web-namespaces": "^2.0.0" } }, "sha512-3kxEVkEKt0zvcZ3hCRYI8rqrgwtlIOFMWkbclACvjlDw8Li9S2hk/d51OI0nr/gIpdMHNepwgOKqZ/sy0Clpyg=="],
+
+    "hast-util-is-element": ["[email protected]", "", { "dependencies": { "@types/hast": "^3.0.0" } }, "sha512-Val9mnv2IWpLbNPqc/pUem+a7Ipj2aHacCwgNfTiK0vJKl0LF+4Ba4+v1oPHFpf3bLYmreq0/l3Gud9S5OH42g=="],
+
     "hast-util-parse-selector": ["[email protected]", "", {}, "sha512-7j6mrk/qqkSehsM92wQjdIgWM2/BW61u/53G6xmC8i1OmEdKLHbk419QKQUjz6LglWsfqoiHmyMRkP1BGjecNQ=="],
 
     "hast-util-to-jsx-runtime": ["[email protected]", "", { "dependencies": { "@types/estree": "^1.0.0", "@types/hast": "^3.0.0", "@types/unist": "^3.0.0", "comma-separated-tokens": "^2.0.0", "devlop": "^1.0.0", "estree-util-is-identifier-name": "^3.0.0", "hast-util-whitespace": "^3.0.0", "mdast-util-mdx-expression": "^2.0.0", "mdast-util-mdx-jsx": "^3.0.0", "mdast-util-mdxjs-esm": "^2.0.0", "property-information": "^6.0.0", "space-separated-tokens": "^2.0.0", "style-to-object": "^1.0.0", "unist-util-position": "^5.0.0", "vfile-message": "^4.0.0" } }, "sha512-1ngXYb+V9UT5h+PxNRa1O1FYguZK/XL+gkeqvp7EdHlB9oHUG0eYRo/vY5inBdcqo3RkPMC58/H94HvkbfGdyg=="],
 
+    "hast-util-to-text": ["[email protected]", "", { "dependencies": { "@types/hast": "^3.0.0", "@types/unist": "^3.0.0", "hast-util-is-element": "^3.0.0", "unist-util-find-after": "^5.0.0" } }, "sha512-KK6y/BN8lbaq654j7JgBydev7wuNMcID54lkRav1P0CaE1e47P72AWWPiGKXTJU271ooYzcvTAn/Zt0REnvc7A=="],
+
     "hast-util-whitespace": ["[email protected]", "", { "dependencies": { "@types/hast": "^3.0.0" } }, "sha512-88JUN06ipLwsnv+dVn+OIYOvAuvBMy/Qoi6O7mQHxdPXpjy+Cd6xRkWwux7DKO+4sYILtLBRIKgsdpS2gQc7qw=="],
 
     "hastscript": ["[email protected]", "", { "dependencies": { "@types/hast": "^2.0.0", "comma-separated-tokens": "^1.0.0", "hast-util-parse-selector": "^2.0.0", "property-information": "^5.0.0", "space-separated-tokens": "^1.0.0" } }, "sha512-nDM6bvd7lIqDUiYEiu5Sl/+6ReP0BMk/2f4U/Rooccxkj0P5nm+acM5PrGJ/t5I8qPGiqZSE6hVAwZEdZIvP4w=="],
@@ -1070,7 +1087,7 @@
 
     "jsx-ast-utils": ["[email protected]", "", { "dependencies": { "array-includes": "^3.1.6", "array.prototype.flat": "^1.3.1", "object.assign": "^4.1.4", "object.values": "^1.1.6" } }, "sha512-ZZow9HBI5O6EPgSJLUb8n2NKgmVWTwCvHGwFuJlMjvLFqlGG6pjirPhtdsseaLZjSibD8eegzmYpUZwoIlj2cQ=="],
 
-    "katex": ["[email protected].21", "", { "dependencies": { "commander": "^8.3.0" }, "bin": { "katex": "cli.js" } }, "sha512-XvqR7FgOHtWupfMiigNzmh+MgUVmDGU2kXZm899ZkPfcuoPuFxyHmXsgATDpFZDAXCI8tvinaVcDo8PIIJSo4A=="],
+    "katex": ["[email protected].22", "", { "dependencies": { "commander": "^8.3.0" }, "bin": { "katex": "cli.js" } }, "sha512-XCHRdUw4lf3SKBaJe4EvgqIuWwkPSo9XoeO8GjQW94Bp7TWv9hNhzZjZ+OH9yf1UmLygb7DIT5GSFQiyt16zYg=="],
 
     "keyv": ["[email protected]", "", { "dependencies": { "json-buffer": "3.0.1" } }, "sha512-oxVHkHR/EJf2CNXnWxRLW6mg7JyCCUcG0DtEGmL2ctUo1PNTin1PUil+r/+4r5MpVgC/fn1kjsx7mjSujKqIpw=="],
 
@@ -1288,6 +1305,8 @@
 
     "parse-unit": ["[email protected]", "", {}, "sha512-hrqldJHokR3Qj88EIlV/kAyAi/G5R2+R56TBANxNMy0uPlYcttx0jnMW6Yx5KsKPSbC3KddM/7qQm3+0wEXKxg=="],
 
+    "parse5": ["[email protected]", "", { "dependencies": { "entities": "^6.0.0" } }, "sha512-IInvU7fabl34qmi9gY8XOVxhYyMyuH2xUNpb2q8/Y+7552KlejkRvqvD19nMoUW/uQGGbqNpA6Tufu5FL5BZgw=="],
+
     "path-data-parser": ["[email protected]", "", {}, "sha512-NOnmBpt5Y2RWbuv0LMzsayp3lVylAHLPUTut412ZA3l+C4uw4ZVkQbjShYCQ8TCpUMdPapr4YjUqLYD6v68j+w=="],
 
     "path-exists": ["[email protected]", "", {}, "sha512-ak9Qy5Q7jYb2Wwcey5Fpvg2KoAc/ZIhLSLOSBmRmygPsGwkVVt0fZa0qrtMz+m6tJTAHfZQ8FnmB4MG4LWy7/w=="],
@@ -1376,6 +1395,8 @@
 
     "regexp.prototype.flags": ["[email protected]", "", { "dependencies": { "call-bind": "^1.0.8", "define-properties": "^1.2.1", "es-errors": "^1.3.0", "get-proto": "^1.0.1", "gopd": "^1.2.0", "set-function-name": "^2.0.2" } }, "sha512-dYqgNSZbDwkaJ2ceRd9ojCGjBq+mOm9LmtXnAnEGyHhN/5R7iDW2TRw3h+o/jCFxus3P2LfWIIiwowAjANm7IA=="],
 
+    "rehype-katex": ["[email protected]", "", { "dependencies": { "@types/hast": "^3.0.0", "@types/katex": "^0.16.0", "hast-util-from-html-isomorphic": "^2.0.0", "hast-util-to-text": "^4.0.0", "katex": "^0.16.0", "unist-util-visit-parents": "^6.0.0", "vfile": "^6.0.0" } }, "sha512-OiM2wrZ/wuhKkigASodFoo8wimG3H12LWQaH8qSPVJn9apWKFSH3YOCtbKpBorTVw/eI7cuT21XBbvwEswbIOA=="],
+
     "rehype-react": ["[email protected]", "", { "dependencies": { "@types/hast": "^3.0.0", "hast-util-to-jsx-runtime": "^2.0.0", "unified": "^11.0.0" } }, "sha512-vzo0YxYbB2HE+36+9HWXVdxNoNDubx63r5LBzpxBGVWM8s9mdnMdbmuJBAX6TTyuGdZjZix6qU3GcSuKCIWivw=="],
 
     "remark-gfm": ["[email protected]", "", { "dependencies": { "@types/mdast": "^4.0.0", "mdast-util-gfm": "^3.0.0", "micromark-extension-gfm": "^3.0.0", "remark-parse": "^11.0.0", "remark-stringify": "^11.0.0", "unified": "^11.0.0" } }, "sha512-1quofZ2RQ9EWdeN34S79+KExV1764+wCUGop5CPL1WGdD0ocPpu91lzPGbwWMECpEpd42kJGQwzRfyov9j4yNg=="],
@@ -1522,6 +1543,8 @@
 
     "unified": ["[email protected]", "", { "dependencies": { "@types/unist": "^3.0.0", "bail": "^2.0.0", "devlop": "^1.0.0", "extend": "^3.0.0", "is-plain-obj": "^4.0.0", "trough": "^2.0.0", "vfile": "^6.0.0" } }, "sha512-xKvGhPWw3k84Qjh8bI3ZeJjqnyadK+GEFtazSfZv/rKeTkTjOJho6mFqh2SM96iIcZokxiOpg78GazTSg8+KHA=="],
 
+    "unist-util-find-after": ["[email protected]", "", { "dependencies": { "@types/unist": "^3.0.0", "unist-util-is": "^6.0.0" } }, "sha512-amQa0Ep2m6hE2g72AugUItjbuM8X8cGQnFoHk0pGfrFeT9GZhzN5SW8nRsiGKK7Aif4CrACPENkA6P/Lw6fHGQ=="],
+
     "unist-util-is": ["[email protected]", "", { "dependencies": { "@types/unist": "^3.0.0" } }, "sha512-2qCTHimwdxLfz+YzdGfkqNlH0tLi9xjTnHddPmJwtIG9MGsdbutfTc4P+haPD7l7Cjxf/WZj+we5qfVPvvxfYw=="],
 
     "unist-util-position": ["[email protected]", "", { "dependencies": { "@types/unist": "^3.0.0" } }, "sha512-fucsC7HjXvkB5R3kTCO7kUjRdrS0BJt3M/FPxmHMBOm8JQi2BsHAHFsy27E0EolP8rp0NzXsJ+jNPyDWvOJZPA=="],
@@ -1548,6 +1571,8 @@
 
     "vfile": ["[email protected]", "", { "dependencies": { "@types/unist": "^3.0.0", "vfile-message": "^4.0.0" } }, "sha512-KzIbH/9tXat2u30jf+smMwFCsno4wHVdNmzFyL+T/L3UGqqk6JKfVqOFOZEpZSHADH1k40ab6NUIXZq422ov3Q=="],
 
+    "vfile-location": ["[email protected]", "", { "dependencies": { "@types/unist": "^3.0.0", "vfile": "^6.0.0" } }, "sha512-5yXvWDEgqeiYiBe1lbxYF7UMAIm/IcopxMHrMQDq3nvKcjPKIhZklUKL+AE7J7uApI4kwe2snsK+eI6UTj9EHg=="],
+
     "vfile-message": ["[email protected]", "", { "dependencies": { "@types/unist": "^3.0.0", "unist-util-stringify-position": "^4.0.0" } }, "sha512-jRDZ1IMLttGj41KcZvlrYAaI3CfqpLpfpf+Mfig13viT6NKvRzWZ+lXz0Y5D60w6uJIBAOGq9mSHf0gktF0duw=="],
 
     "vite": ["[email protected]", "", { "dependencies": { "esbuild": "^0.24.2", "postcss": "^8.5.2", "rollup": "^4.30.1" }, "optionalDependencies": { "fsevents": "~2.3.3" }, "peerDependencies": { "@types/node": "^18.0.0 || ^20.0.0 || >=22.0.0", "jiti": ">=1.21.0", "less": "*", "lightningcss": "^1.21.0", "sass": "*", "sass-embedded": "*", "stylus": "*", "sugarss": "*", "terser": "^5.16.0", "tsx": "^4.8.1", "yaml": "^2.4.2" }, "optionalPeers": ["@types/node", "jiti", "less", "lightningcss", "sass", "sass-embedded", "stylus", "sugarss", "terser", "tsx", "yaml"], "bin": { "vite": "bin/vite.js" } }, "sha512-4GgM54XrwRfrOp297aIYspIti66k56v16ZnqHvrIM7mG+HjDlAwS7p+Srr7J6fGvEdOJ5JcQ/D9T7HhtdXDTzA=="],
@@ -1566,6 +1591,8 @@
 
     "vscode-uri": ["[email protected]", "", {}, "sha512-AyFQ0EVmsOZOlAnxoFOGOq1SQDWAB7C6aqMGS23svWAllfOaxbuFvcT8D1i8z3Gyn8fraVeZNNmN6e9bxxXkKw=="],
 
+    "web-namespaces": ["[email protected]", "", {}, "sha512-bKr1DkiNa2krS7qxNtdrtHAmzuYGFQLiQ13TsorsdT6ULTkPLKuu5+GsFpDlg6JFjUTwX2DyhMPG2be8uPrqsQ=="],
+
     "which": ["[email protected]", "", { "dependencies": { "isexe": "^2.0.0" }, "bin": { "node-which": "./bin/node-which" } }, "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA=="],
 
     "which-boxed-primitive": ["[email protected]", "", { "dependencies": { "is-bigint": "^1.1.0", "is-boolean-object": "^1.2.1", "is-number-object": "^1.1.1", "is-string": "^1.1.1", "is-symbol": "^1.1.1" } }, "sha512-TbX3mj8n0odCBFVlY8AxkqcHASw3L60jIuF8jFP78az3C2YhmGvqbHBpAjTRH2/xqYunrJ9g1jSyjCjpoWzIAA=="],
@@ -1620,6 +1647,12 @@
 
     "fast-glob/glob-parent": ["[email protected]", "", { "dependencies": { "is-glob": "^4.0.1" } }, "sha512-AOIgSQCepiJYwP3ARnGx+5VnTu2HBYdzbGP45eLw1vr3zB3vZLeyed1sC9hnbcOc9/SrMyM5RPQrkGz4aS9Zow=="],
 
+    "hast-util-from-dom/hastscript": ["[email protected]", "", { "dependencies": { "@types/hast": "^3.0.0", "comma-separated-tokens": "^2.0.0", "hast-util-parse-selector": "^4.0.0", "property-information": "^7.0.0", "space-separated-tokens": "^2.0.0" } }, "sha512-g7df9rMFX/SPi34tyGCyUBREQoKkapwdY/T04Qn9TDWfHhAYt4/I0gMVirzK5wEzeUqIjEB+LXC/ypb7Aqno5w=="],
+
+    "hast-util-from-parse5/hastscript": ["[email protected]", "", { "dependencies": { "@types/hast": "^3.0.0", "comma-separated-tokens": "^2.0.0", "hast-util-parse-selector": "^4.0.0", "property-information": "^7.0.0", "space-separated-tokens": "^2.0.0" } }, "sha512-g7df9rMFX/SPi34tyGCyUBREQoKkapwdY/T04Qn9TDWfHhAYt4/I0gMVirzK5wEzeUqIjEB+LXC/ypb7Aqno5w=="],
+
+    "hast-util-from-parse5/property-information": ["[email protected]", "", {}, "sha512-TwEZ+X+yCJmYfL7TPUOcvBZ4QfoT5YenQiJuX//0th53DE6w0xxLEtfK3iyryQFddXuvkIk51EEgrJQ0WJkOmQ=="],
+
     "hastscript/@types/hast": ["@types/[email protected]", "", { "dependencies": { "@types/unist": "^2" } }, "sha512-McWspRw8xx8J9HurkVBfYj0xKoE25tOFlHGdx4MJ5xORQrMGZNqJhVQWaIbm6Oyla5kYOXtDiopzKRJzEOkwJw=="],
 
     "hastscript/comma-separated-tokens": ["[email protected]", "", {}, "sha512-GHuDRO12Sypu2cV70d1dkA2EUmXHgntrzbpvOB+Qy+49ypNfGgFQIC2fhhXbnyrJRynDCAARsT7Ou0M6hirpfw=="],
@@ -1632,6 +1665,10 @@
 
     "mdast-util-mdx-jsx/parse-entities": ["[email protected]", "", { "dependencies": { "@types/unist": "^2.0.0", "character-entities-legacy": "^3.0.0", "character-reference-invalid": "^2.0.0", "decode-named-character-reference": "^1.0.0", "is-alphanumerical": "^2.0.0", "is-decimal": "^2.0.0", "is-hexadecimal": "^2.0.0" } }, "sha512-GG2AQYWoLgL877gQIKeRPGO1xF9+eG1ujIb5soS5gPvLQ1y2o8FL90w2QWNdf9I361Mpp7726c+lj3U0qK1uGw=="],
 
+    "mermaid/katex": ["[email protected]", "", { "dependencies": { "commander": "^8.3.0" }, "bin": { "katex": "cli.js" } }, "sha512-XvqR7FgOHtWupfMiigNzmh+MgUVmDGU2kXZm899ZkPfcuoPuFxyHmXsgATDpFZDAXCI8tvinaVcDo8PIIJSo4A=="],
+
+    "micromark-extension-math/katex": ["[email protected]", "", { "dependencies": { "commander": "^8.3.0" }, "bin": { "katex": "cli.js" } }, "sha512-XvqR7FgOHtWupfMiigNzmh+MgUVmDGU2kXZm899ZkPfcuoPuFxyHmXsgATDpFZDAXCI8tvinaVcDo8PIIJSo4A=="],
+
     "mlly/pkg-types": ["[email protected]", "", { "dependencies": { "confbox": "^0.1.8", "mlly": "^1.7.4", "pathe": "^2.0.1" } }, "sha512-/Jm5M4RvtBFVkKWRu2BLUTNP8/M2a+UwuAX+ae4770q1qVGtfjG+WTCupoZixokjmHiry8uI+dlY8KXYV5HVVQ=="],
 
     "refractor/prismjs": ["[email protected]", "", {}, "sha512-t13BGPUlFDR7wRB5kQDG4jjl7XeuH6jbJGt11JHPL96qwsEHNX2+68tFXqc1/k+/jALsbSWJKUOT/hcYAZ5LkA=="],
@@ -1644,6 +1681,12 @@
 
     "d3-sankey/d3-shape/d3-path": ["[email protected]", "", {}, "sha512-VLaYcn81dtHVTjEHd8B+pbe9yHWpXKZUC87PzoFmsFrJqgFwDe/qxfp5MlfsfM1V5E/iVt0MmEbWQ7FVIXh/bg=="],
 
+    "hast-util-from-dom/hastscript/hast-util-parse-selector": ["[email protected]", "", { "dependencies": { "@types/hast": "^3.0.0" } }, "sha512-wkQCkSYoOGCRKERFWcxMVMOcYE2K1AaNLU8DXS9arxnLOUEWbOXKXiJUNzEpqZ3JOKpnha3jkFrumEjVliDe7A=="],
+
+    "hast-util-from-dom/hastscript/property-information": ["[email protected]", "", {}, "sha512-TwEZ+X+yCJmYfL7TPUOcvBZ4QfoT5YenQiJuX//0th53DE6w0xxLEtfK3iyryQFddXuvkIk51EEgrJQ0WJkOmQ=="],
+
+    "hast-util-from-parse5/hastscript/hast-util-parse-selector": ["[email protected]", "", { "dependencies": { "@types/hast": "^3.0.0" } }, "sha512-wkQCkSYoOGCRKERFWcxMVMOcYE2K1AaNLU8DXS9arxnLOUEWbOXKXiJUNzEpqZ3JOKpnha3jkFrumEjVliDe7A=="],
+
     "hastscript/@types/hast/@types/unist": ["@types/[email protected]", "", {}, "sha512-CmBKiL6NNo/OqgmMn95Fk9Whlp2mtvIv+KNpQKN2F4SjvrEesubTRWGYSg+BnWZOnlCaSTU1sMpsBOzgbYhnsA=="],
 
     "mdast-util-mdx-jsx/parse-entities/@types/unist": ["@types/[email protected]", "", {}, "sha512-CmBKiL6NNo/OqgmMn95Fk9Whlp2mtvIv+KNpQKN2F4SjvrEesubTRWGYSg+BnWZOnlCaSTU1sMpsBOzgbYhnsA=="],

lightrag_webui/package.json

@@ -44,6 +44,7 @@
     "graphology": "^0.26.0",
     "graphology-generators": "^0.11.2",
     "i18next": "^24.2.2",
+    "katex": "^0.16.22",
     "lucide-react": "^0.475.0",
     "mermaid": "^11.6.0",
     "minisearch": "^7.1.2",
@@ -56,6 +57,7 @@
     "react-number-format": "^5.4.3",
     "react-router-dom": "^7.3.0",
     "react-syntax-highlighter": "^15.6.1",
+    "rehype-katex": "^7.0.1",
     "rehype-react": "^8.0.0",
     "remark-gfm": "^4.0.1",
     "remark-math": "^6.0.0",
@@ -72,6 +74,7 @@
     "@stylistic/eslint-plugin-js": "^3.1.0",
     "@tailwindcss/vite": "^4.0.8",
     "@types/bun": "^1.2.3",
+    "@types/katex": "^0.16.7",
     "@types/node": "^22.13.5",
     "@types/react": "^19.0.10",
     "@types/react-dom": "^19.0.4",

lightrag_webui/src/components/retrieval/ChatMessage.tsx

@@ -8,7 +8,9 @@ import ReactMarkdown from 'react-markdown'
 import remarkGfm from 'remark-gfm'
 import rehypeReact from 'rehype-react'
 import remarkMath from 'remark-math'
+import rehypeKatex from 'rehype-katex'
 import mermaid from 'mermaid'
+import 'katex/dist/katex.min.css'
 
 import type { Element } from 'hast'
 
@@ -31,6 +33,7 @@ export type MessageWithError = Message & {
 // Restore original component definition and export
 export const ChatMessage = ({ message }: { message: MessageWithError }) => { // Remove isComplete prop
   const { t } = useTranslation()
+  const { theme } = useTheme()
   const handleCopyMarkdown = useCallback(async () => {
     if (message.content) {
       try {
@@ -53,9 +56,16 @@ export const ChatMessage = ({ message }: { message: MessageWithError }) => { //
     >
       <div className="relative">
         <ReactMarkdown
-          className="prose dark:prose-invert max-w-none text-sm break-words prose-headings:mt-4 prose-headings:mb-2 prose-p:my-2 prose-ul:my-2 prose-ol:my-2 prose-li:my-1"
+          className="prose dark:prose-invert max-w-none text-sm break-words prose-headings:mt-4 prose-headings:mb-2 prose-p:my-2 prose-ul:my-2 prose-ol:my-2 prose-li:my-1 [&_.katex]:text-current [&_.katex-display]:my-4 [&_.katex-display]:overflow-x-auto"
           remarkPlugins={[remarkGfm, remarkMath]}
-          rehypePlugins={[rehypeReact]}
+          rehypePlugins={[
+            [rehypeKatex, {
+              errorColor: theme === 'dark' ? '#ef4444' : '#dc2626',
+              throwOnError: false,
+              displayMode: false
+            }],
+            rehypeReact
+          ]}
           skipHtml={false}
           // Memoize the components object to prevent unnecessary re-renders of ReactMarkdown children
           components={useMemo(() => ({