diff --git a/ui/package.json b/ui/package.json
index c43dce7..74a7b04 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -19,7 +19,10 @@
     "react-dom": "^19.0.0",
     "react-markdown": "^9.0.1",
     "react-router-dom": "^7.14.2",
-    "react-vertical-timeline-component": "^3.6.0"
+    "react-vertical-timeline-component": "^3.6.0",
+    "rehype-raw": "^7.0.0",
+    "rehype-sanitize": "^6.0.0",
+    "remark-gfm": "^4.0.1"
   },
   "devDependencies": {
     "@types/react": "^19.0.0",
diff --git a/ui/pnpm-lock.yaml b/ui/pnpm-lock.yaml
index 47d0658..b2dadce 100644
--- a/ui/pnpm-lock.yaml
+++ b/ui/pnpm-lock.yaml
@@ -38,6 +38,15 @@ importers:
       react-vertical-timeline-component:
         specifier: ^3.6.0
         version: 3.6.0(react@19.2.5)
+      rehype-raw:
+        specifier: ^7.0.0
+        version: 7.0.0
+      rehype-sanitize:
+        specifier: ^6.0.0
+        version: 6.0.0
+      remark-gfm:
+        specifier: ^4.0.1
+        version: 4.0.1
     devDependencies:
       '@types/react':
         specifier: ^19.0.0
@@ -625,11 +634,19 @@ packages:
   dom-helpers@5.2.1:
     resolution: {integrity: sha512-nRCa7CK3VTrM2NmGkIy4cbK7IZlgBE/PYMn55rrXefr5xXDP0LdtfPnblFDoVdcAfslJ7or6iqAUnx0CCGIWQA==}
 
+  entities@6.0.1:
+    resolution: {integrity: sha512-aN97NXWF6AWBTahfVOIrB/NShkzi5H7F9r1s9mD3cDj4Ko5f2qhhVoYMibXF7GlLveb/D2ioWay8lxI97Ven3g==}
+    engines: {node: '>=0.12'}
+
   esbuild@0.25.12:
     resolution: {integrity: sha512-bbPBYYrtZbkt6Os6FiTLCTFxvq4tt3JKall1vRwshA3fdVztsLAatFaZobhkBC8/BrPetoa0oksYoKXoG4ryJg==}
     engines: {node: '>=18'}
     hasBin: true
 
+  escape-string-regexp@5.0.0:
+    resolution: {integrity: sha512-/veY75JbMK4j1yjvuUxuVsiS/hr/4iHs9FTT6cgTexxdE0Ly/glccBAkloH/DofkjRbZU3bnoj38mOmhkZ0lHw==}
+    engines: {node: '>=12'}
+
   estree-util-is-identifier-name@3.0.0:
     resolution: {integrity: sha512-hFtqIDZTIUZ9BXLb8y4pYGyk6+wekIivNVTcmvk8NoOh+VeRn5y6cEHzbURrWbfp1fIqdVipilzj+lfaadNZmg==}
 
@@ -650,15 +667,36 @@ packages:
     engines: {node: ^8.16.0 || ^10.6.0 || >=11.0.0}
     os: [darwin]
 
+  hast-util-from-parse5@8.0.3:
+    resolution: {integrity: sha512-3kxEVkEKt0zvcZ3hCRYI8rqrgwtlIOFMWkbclACvjlDw8Li9S2hk/d51OI0nr/gIpdMHNepwgOKqZ/sy0Clpyg==}
+
+  hast-util-parse-selector@4.0.0:
+    resolution: {integrity: sha512-wkQCkSYoOGCRKERFWcxMVMOcYE2K1AaNLU8DXS9arxnLOUEWbOXKXiJUNzEpqZ3JOKpnha3jkFrumEjVliDe7A==}
+
+  hast-util-raw@9.1.0:
+    resolution: {integrity: sha512-Y8/SBAHkZGoNkpzqqfCldijcuUKh7/su31kEBp67cFY09Wy0mTRgtsLYsiIxMJxlu0f6AA5SUTbDR8K0rxnbUw==}
+
+  hast-util-sanitize@5.0.2:
+    resolution: {integrity: sha512-3yTWghByc50aGS7JlGhk61SPenfE/p1oaFeNwkOOyrscaOkMGrcW9+Cy/QAIOBpZxP1yqDIzFMR0+Np0i0+usg==}
+
   hast-util-to-jsx-runtime@2.3.6:
     resolution: {integrity: sha512-zl6s8LwNyo1P9uw+XJGvZtdFF1GdAkOg8ujOw+4Pyb76874fLps4ueHXDhXWdk6YHQ6OgUtinliG7RsYvCbbBg==}
 
+  hast-util-to-parse5@8.0.1:
+    resolution: {integrity: sha512-MlWT6Pjt4CG9lFCjiz4BH7l9wmrMkfkJYCxFwKQic8+RTZgWPuWxwAfjJElsXkex7DJjfSJsQIt931ilUgmwdA==}
+
   hast-util-whitespace@3.0.0:
     resolution: {integrity: sha512-88JUN06ipLwsnv+dVn+OIYOvAuvBMy/Qoi6O7mQHxdPXpjy+Cd6xRkWwux7DKO+4sYILtLBRIKgsdpS2gQc7qw==}
 
+  hastscript@9.0.1:
+    resolution: {integrity: sha512-g7df9rMFX/SPi34tyGCyUBREQoKkapwdY/T04Qn9TDWfHhAYt4/I0gMVirzK5wEzeUqIjEB+LXC/ypb7Aqno5w==}
+
   html-url-attributes@3.0.1:
     resolution: {integrity: sha512-ol6UPyBWqsrO6EJySPz2O7ZSr856WDrEzM5zMqp+FJJLGMW35cLYmmZnl0vztAZxRUoNZJFTCohfjuIJ8I4QBQ==}
 
+  html-void-elements@3.0.0:
+    resolution: {integrity: sha512-bEqo66MRXsUGxWHV5IP0PUiAWwoEjba4VCzg0LjFJBpchPaTfyfCKTG6bc5F8ucKec3q5y6qOdGyYTSBEvhCrg==}
+
   inline-style-parser@0.2.7:
     resolution: {integrity: sha512-Nb2ctOyNR8DqQoR0OwRG95uNWIC0C1lCgf5Naz5H6Ji72KZ8OcFZLz2P5sNgwlyoJ8Yif11oMuYs5pBQa86csA==}
 
@@ -691,9 +729,33 @@ packages:
     resolution: {integrity: sha512-lyuxPGr/Wfhrlem2CL/UcnUc1zcqKAImBDzukY7Y5F/yQiNdko6+fRLevlw1HgMySw7f611UIY408EtxRSoK3Q==}
     hasBin: true
 
+  markdown-table@3.0.4:
+    resolution: {integrity: sha512-wiYz4+JrLyb/DqW2hkFJxP7Vd7JuTDm77fvbM8VfEQdmSMqcImWeeRbHwZjBjIFki/VaMK2BhFi7oUUZeM5bqw==}
+
+  mdast-util-find-and-replace@3.0.2:
+    resolution: {integrity: sha512-Tmd1Vg/m3Xz43afeNxDIhWRtFZgM2VLyaf4vSTYwudTyeuTneoL3qtWMA5jeLyz/O1vDJmmV4QuScFCA2tBPwg==}
+
   mdast-util-from-markdown@2.0.3:
     resolution: {integrity: sha512-W4mAWTvSlKvf8L6J+VN9yLSqQ9AOAAvHuoDAmPkz4dHf553m5gVj2ejadHJhoJmcmxEnOv6Pa8XJhpxE93kb8Q==}
 
+  mdast-util-gfm-autolink-literal@2.0.1:
+    resolution: {integrity: sha512-5HVP2MKaP6L+G6YaxPNjuL0BPrq9orG3TsrZ9YXbA3vDw/ACI4MEsnoDpn6ZNm7GnZgtAcONJyPhOP8tNJQavQ==}
+
+  mdast-util-gfm-footnote@2.1.0:
+    resolution: {integrity: sha512-sqpDWlsHn7Ac9GNZQMeUzPQSMzR6Wv0WKRNvQRg0KqHh02fpTz69Qc1QSseNX29bhz1ROIyNyxExfawVKTm1GQ==}
+
+  mdast-util-gfm-strikethrough@2.0.0:
+    resolution: {integrity: sha512-mKKb915TF+OC5ptj5bJ7WFRPdYtuHv0yTRxK2tJvi+BDqbkiG7h7u/9SI89nRAYcmap2xHQL9D+QG/6wSrTtXg==}
+
+  mdast-util-gfm-table@2.0.0:
+    resolution: {integrity: sha512-78UEvebzz/rJIxLvE7ZtDd/vIQ0RHv+3Mh5DR96p7cS7HsBhYIICDBCu8csTNWNO6tBWfqXPWekRuj2FNOGOZg==}
+
+  mdast-util-gfm-task-list-item@2.0.0:
+    resolution: {integrity: sha512-IrtvNvjxC1o06taBAVJznEnkiHxLFTzgonUdy8hzFVeDun0uTjxxrRGVaNFqkU1wJR3RBPEfsxmU6jDWPofrTQ==}
+
+  mdast-util-gfm@3.1.0:
+    resolution: {integrity: sha512-0ulfdQOM3ysHhCJ1p06l0b0VKlhU0wuQs3thxZQagjcjPrlFRqY215uZGHHJan9GEAXd9MbfPjFJz+qMkVR6zQ==}
+
   mdast-util-mdx-expression@2.0.1:
     resolution: {integrity: sha512-J6f+9hUp+ldTZqKRSg7Vw5V6MqjATc+3E4gf3CFNcuZNWD8XdyI6zQ8GqH7f8169MM6P7hMBRDVGnn7oHB9kXQ==}
 
@@ -718,6 +780,27 @@ packages:
   micromark-core-commonmark@2.0.3:
     resolution: {integrity: sha512-RDBrHEMSxVFLg6xvnXmb1Ayr2WzLAWjeSATAoxwKYJV94TeNavgoIdA0a9ytzDSVzBy2YKFK+emCPOEibLeCrg==}
 
+  micromark-extension-gfm-autolink-literal@2.1.0:
+    resolution: {integrity: sha512-oOg7knzhicgQ3t4QCjCWgTmfNhvQbDDnJeVu9v81r7NltNCVmhPy1fJRX27pISafdjL+SVc4d3l48Gb6pbRypw==}
+
+  micromark-extension-gfm-footnote@2.1.0:
+    resolution: {integrity: sha512-/yPhxI1ntnDNsiHtzLKYnE3vf9JZ6cAisqVDauhp4CEHxlb4uoOTxOCJ+9s51bIB8U1N1FJ1RXOKTIlD5B/gqw==}
+
+  micromark-extension-gfm-strikethrough@2.1.0:
+    resolution: {integrity: sha512-ADVjpOOkjz1hhkZLlBiYA9cR2Anf8F4HqZUO6e5eDcPQd0Txw5fxLzzxnEkSkfnD0wziSGiv7sYhk/ktvbf1uw==}
+
+  micromark-extension-gfm-table@2.1.1:
+    resolution: {integrity: sha512-t2OU/dXXioARrC6yWfJ4hqB7rct14e8f7m0cbI5hUmDyyIlwv5vEtooptH8INkbLzOatzKuVbQmAYcbWoyz6Dg==}
+
+  micromark-extension-gfm-tagfilter@2.0.0:
+    resolution: {integrity: sha512-xHlTOmuCSotIA8TW1mDIM6X2O1SiX5P9IuDtqGonFhEK0qgRI4yeC6vMxEV2dgyr2TiD+2PQ10o+cOhdVAcwfg==}
+
+  micromark-extension-gfm-task-list-item@2.1.0:
+    resolution: {integrity: sha512-qIBZhqxqI6fjLDYFTBIa4eivDMnP+OZqsNwmQ3xNLE4Cxwc+zfQEfbs6tzAo2Hjq+bh6q5F+Z8/cksrLFYWQQw==}
+
+  micromark-extension-gfm@3.0.0:
+    resolution: {integrity: sha512-vsKArQsicm7t0z2GugkCKtZehqUm31oeGBV/KVSorWSy8ZlNAv7ytjFhvaryUiCUJYqs+NoE6AFhpQvBTM6Q4w==}
+
   micromark-factory-destination@2.0.1:
     resolution: {integrity: sha512-Xe6rDdJlkmbFRExpTOmRj9N3MaWmbAgdpSrBQvCFqhezUn4AHqJHbaEnfbVYYiexVSs//tqOdY/DxhjdCiJnIA==}
 
@@ -793,6 +876,9 @@ packages:
   parse-entities@4.0.2:
     resolution: {integrity: sha512-GG2AQYWoLgL877gQIKeRPGO1xF9+eG1ujIb5soS5gPvLQ1y2o8FL90w2QWNdf9I361Mpp7726c+lj3U0qK1uGw==}
 
+  parse5@7.3.0:
+    resolution: {integrity: sha512-IInvU7fabl34qmi9gY8XOVxhYyMyuH2xUNpb2q8/Y+7552KlejkRvqvD19nMoUW/uQGGbqNpA6Tufu5FL5BZgw==}
+
   picocolors@1.1.1:
     resolution: {integrity: sha512-xceH2snhtb5M9liqDsmEw56le376mTZkEX/jEb/RxNFyegNul7eNslCXP9FDj/Lcu0X8KEyMceP2ntpaHrDEVA==}
 
@@ -909,12 +995,24 @@ packages:
     resolution: {integrity: sha512-llUJLzz1zTUBrskt2pwZgLq59AemifIftw4aB7JxOqf1HY2FDaGDxgwpAPVzHU1kdWabH7FauP4i1oEeer2WCA==}
     engines: {node: '>=0.10.0'}
 
+  rehype-raw@7.0.0:
+    resolution: {integrity: sha512-/aE8hCfKlQeA8LmyeyQvQF3eBiLRGNlfBJEvWH7ivp9sBqs7TNqBL5X3v157rM4IFETqDnIOO+z5M/biZbo9Ww==}
+
+  rehype-sanitize@6.0.0:
+    resolution: {integrity: sha512-CsnhKNsyI8Tub6L4sm5ZFsme4puGfc6pYylvXo1AeqaGbjOYyzNv3qZPwvs0oMJ39eryyeOdmxwUIo94IpEhqg==}
+
+  remark-gfm@4.0.1:
+    resolution: {integrity: sha512-1quofZ2RQ9EWdeN34S79+KExV1764+wCUGop5CPL1WGdD0ocPpu91lzPGbwWMECpEpd42kJGQwzRfyov9j4yNg==}
+
   remark-parse@11.0.0:
     resolution: {integrity: sha512-FCxlKLNGknS5ba/1lmpYijMUzX2esxW5xQqjWxw2eHFfS2MSdaHVINFmhjo+qN1WhZhNimq0dZATN9pH0IDrpA==}
 
   remark-rehype@11.1.2:
     resolution: {integrity: sha512-Dh7l57ianaEoIpzbp0PC9UKAdCSVklD8E5Rpw7ETfbTl3FqcOOgq5q2LVDhgGCkaBv7p24JXikPdvhhmHvKMsw==}
 
+  remark-stringify@11.0.0:
+    resolution: {integrity: sha512-1OSmLd3awB/t8qdoEOMazZkNsfVTeY4fTsgzcQFdXNq8ToTN4ZGwrMnlda4K6smTFKD+GRV6O48i6Z4iKgPPpw==}
+
   rollup@4.60.2:
     resolution: {integrity: sha512-J9qZyW++QK/09NyN/zeO0dG/1GdGfyp9lV8ajHnRVLfo/uFsbji5mHnDgn/qYdUHyCkM2N+8VyspgZclfAh0eQ==}
     engines: {node: '>=18.0.0', npm: '>=8.0.0'}
@@ -993,6 +1091,9 @@ packages:
     peerDependencies:
       react: ^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0
 
+  vfile-location@5.0.3:
+    resolution: {integrity: sha512-5yXvWDEgqeiYiBe1lbxYF7UMAIm/IcopxMHrMQDq3nvKcjPKIhZklUKL+AE7J7uApI4kwe2snsK+eI6UTj9EHg==}
+
   vfile-message@4.0.3:
     resolution: {integrity: sha512-QTHzsGd1EhbZs4AsQ20JX1rC3cOlt/IWJruk893DfLRr57lcnOeMaWG4K0JrRta4mIJZKth2Au3mM3u03/JWKw==}
 
@@ -1042,6 +1143,9 @@ packages:
   warning@4.0.3:
     resolution: {integrity: sha512-rpJyN222KWIvHJ/F53XSZv0Zl/accqHR8et1kpaMTD/fLCRxtV8iX8czMzY7sVZupTI3zcUTg8eycS2kNF9l6w==}
 
+  web-namespaces@2.0.1:
+    resolution: {integrity: sha512-bKr1DkiNa2krS7qxNtdrtHAmzuYGFQLiQ13TsorsdT6ULTkPLKuu5+GsFpDlg6JFjUTwX2DyhMPG2be8uPrqsQ==}
+
   zwitch@2.0.4:
     resolution: {integrity: sha512-bXE4cR/kVZhKZX/RjPEflHaKVhUVl85noU3v6b8apfQEc1x4A+zBxjZ4lN8LqGd6WZ3dl98pY4o717VFmoPp+A==}
 
@@ -1428,6 +1532,8 @@ snapshots:
       '@babel/runtime': 7.29.2
       csstype: 3.2.3
 
+  entities@6.0.1: {}
+
   esbuild@0.25.12:
     optionalDependencies:
       '@esbuild/aix-ppc64': 0.25.12
@@ -1457,6 +1563,8 @@ snapshots:
       '@esbuild/win32-ia32': 0.25.12
       '@esbuild/win32-x64': 0.25.12
 
+  escape-string-regexp@5.0.0: {}
+
   estree-util-is-identifier-name@3.0.0: {}
 
   extend@3.0.2: {}
@@ -1468,6 +1576,43 @@ snapshots:
   fsevents@2.3.3:
     optional: true
 
+  hast-util-from-parse5@8.0.3:
+    dependencies:
+      '@types/hast': 3.0.4
+      '@types/unist': 3.0.3
+      devlop: 1.1.0
+      hastscript: 9.0.1
+      property-information: 7.1.0
+      vfile: 6.0.3
+      vfile-location: 5.0.3
+      web-namespaces: 2.0.1
+
+  hast-util-parse-selector@4.0.0:
+    dependencies:
+      '@types/hast': 3.0.4
+
+  hast-util-raw@9.1.0:
+    dependencies:
+      '@types/hast': 3.0.4
+      '@types/unist': 3.0.3
+      '@ungap/structured-clone': 1.3.0
+      hast-util-from-parse5: 8.0.3
+      hast-util-to-parse5: 8.0.1
+      html-void-elements: 3.0.0
+      mdast-util-to-hast: 13.2.1
+      parse5: 7.3.0
+      unist-util-position: 5.0.0
+      unist-util-visit: 5.1.0
+      vfile: 6.0.3
+      web-namespaces: 2.0.1
+      zwitch: 2.0.4
+
+  hast-util-sanitize@5.0.2:
+    dependencies:
+      '@types/hast': 3.0.4
+      '@ungap/structured-clone': 1.3.0
+      unist-util-position: 5.0.0
+
   hast-util-to-jsx-runtime@2.3.6:
     dependencies:
       '@types/estree': 1.0.8
@@ -1488,12 +1633,32 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
+  hast-util-to-parse5@8.0.1:
+    dependencies:
+      '@types/hast': 3.0.4
+      comma-separated-tokens: 2.0.3
+      devlop: 1.1.0
+      property-information: 7.1.0
+      space-separated-tokens: 2.0.2
+      web-namespaces: 2.0.1
+      zwitch: 2.0.4
+
   hast-util-whitespace@3.0.0:
     dependencies:
       '@types/hast': 3.0.4
 
+  hastscript@9.0.1:
+    dependencies:
+      '@types/hast': 3.0.4
+      comma-separated-tokens: 2.0.3
+      hast-util-parse-selector: 4.0.0
+      property-information: 7.1.0
+      space-separated-tokens: 2.0.2
+
   html-url-attributes@3.0.1: {}
 
+  html-void-elements@3.0.0: {}
+
   inline-style-parser@0.2.7: {}
 
   invariant@2.2.4:
@@ -1521,6 +1686,15 @@ snapshots:
     dependencies:
       js-tokens: 4.0.0
 
+  markdown-table@3.0.4: {}
+
+  mdast-util-find-and-replace@3.0.2:
+    dependencies:
+      '@types/mdast': 4.0.4
+      escape-string-regexp: 5.0.0
+      unist-util-is: 6.0.1
+      unist-util-visit-parents: 6.0.2
+
   mdast-util-from-markdown@2.0.3:
     dependencies:
       '@types/mdast': 4.0.4
@@ -1538,6 +1712,63 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
+  mdast-util-gfm-autolink-literal@2.0.1:
+    dependencies:
+      '@types/mdast': 4.0.4
+      ccount: 2.0.1
+      devlop: 1.1.0
+      mdast-util-find-and-replace: 3.0.2
+      micromark-util-character: 2.1.1
+
+  mdast-util-gfm-footnote@2.1.0:
+    dependencies:
+      '@types/mdast': 4.0.4
+      devlop: 1.1.0
+      mdast-util-from-markdown: 2.0.3
+      mdast-util-to-markdown: 2.1.2
+      micromark-util-normalize-identifier: 2.0.1
+    transitivePeerDependencies:
+      - supports-color
+
+  mdast-util-gfm-strikethrough@2.0.0:
+    dependencies:
+      '@types/mdast': 4.0.4
+      mdast-util-from-markdown: 2.0.3
+      mdast-util-to-markdown: 2.1.2
+    transitivePeerDependencies:
+      - supports-color
+
+  mdast-util-gfm-table@2.0.0:
+    dependencies:
+      '@types/mdast': 4.0.4
+      devlop: 1.1.0
+      markdown-table: 3.0.4
+      mdast-util-from-markdown: 2.0.3
+      mdast-util-to-markdown: 2.1.2
+    transitivePeerDependencies:
+      - supports-color
+
+  mdast-util-gfm-task-list-item@2.0.0:
+    dependencies:
+      '@types/mdast': 4.0.4
+      devlop: 1.1.0
+      mdast-util-from-markdown: 2.0.3
+      mdast-util-to-markdown: 2.1.2
+    transitivePeerDependencies:
+      - supports-color
+
+  mdast-util-gfm@3.1.0:
+    dependencies:
+      mdast-util-from-markdown: 2.0.3
+      mdast-util-gfm-autolink-literal: 2.0.1
+      mdast-util-gfm-footnote: 2.1.0
+      mdast-util-gfm-strikethrough: 2.0.0
+      mdast-util-gfm-table: 2.0.0
+      mdast-util-gfm-task-list-item: 2.0.0
+      mdast-util-to-markdown: 2.1.2
+    transitivePeerDependencies:
+      - supports-color
+
   mdast-util-mdx-expression@2.0.1:
     dependencies:
       '@types/estree-jsx': 1.0.5
@@ -1629,6 +1860,64 @@ snapshots:
       micromark-util-symbol: 2.0.1
       micromark-util-types: 2.0.2
 
+  micromark-extension-gfm-autolink-literal@2.1.0:
+    dependencies:
+      micromark-util-character: 2.1.1
+      micromark-util-sanitize-uri: 2.0.1
+      micromark-util-symbol: 2.0.1
+      micromark-util-types: 2.0.2
+
+  micromark-extension-gfm-footnote@2.1.0:
+    dependencies:
+      devlop: 1.1.0
+      micromark-core-commonmark: 2.0.3
+      micromark-factory-space: 2.0.1
+      micromark-util-character: 2.1.1
+      micromark-util-normalize-identifier: 2.0.1
+      micromark-util-sanitize-uri: 2.0.1
+      micromark-util-symbol: 2.0.1
+      micromark-util-types: 2.0.2
+
+  micromark-extension-gfm-strikethrough@2.1.0:
+    dependencies:
+      devlop: 1.1.0
+      micromark-util-chunked: 2.0.1
+      micromark-util-classify-character: 2.0.1
+      micromark-util-resolve-all: 2.0.1
+      micromark-util-symbol: 2.0.1
+      micromark-util-types: 2.0.2
+
+  micromark-extension-gfm-table@2.1.1:
+    dependencies:
+      devlop: 1.1.0
+      micromark-factory-space: 2.0.1
+      micromark-util-character: 2.1.1
+      micromark-util-symbol: 2.0.1
+      micromark-util-types: 2.0.2
+
+  micromark-extension-gfm-tagfilter@2.0.0:
+    dependencies:
+      micromark-util-types: 2.0.2
+
+  micromark-extension-gfm-task-list-item@2.1.0:
+    dependencies:
+      devlop: 1.1.0
+      micromark-factory-space: 2.0.1
+      micromark-util-character: 2.1.1
+      micromark-util-symbol: 2.0.1
+      micromark-util-types: 2.0.2
+
+  micromark-extension-gfm@3.0.0:
+    dependencies:
+      micromark-extension-gfm-autolink-literal: 2.1.0
+      micromark-extension-gfm-footnote: 2.1.0
+      micromark-extension-gfm-strikethrough: 2.1.0
+      micromark-extension-gfm-table: 2.1.1
+      micromark-extension-gfm-tagfilter: 2.0.0
+      micromark-extension-gfm-task-list-item: 2.1.0
+      micromark-util-combine-extensions: 2.0.1
+      micromark-util-types: 2.0.2
+
   micromark-factory-destination@2.0.1:
     dependencies:
       micromark-util-character: 2.1.1
@@ -1759,6 +2048,10 @@ snapshots:
       is-decimal: 2.0.1
       is-hexadecimal: 2.0.1
 
+  parse5@7.3.0:
+    dependencies:
+      entities: 6.0.1
+
   picocolors@1.1.1: {}
 
   picomatch@4.0.4: {}
@@ -1913,6 +2206,28 @@ snapshots:
 
   react@19.2.5: {}
 
+  rehype-raw@7.0.0:
+    dependencies:
+      '@types/hast': 3.0.4
+      hast-util-raw: 9.1.0
+      vfile: 6.0.3
+
+  rehype-sanitize@6.0.0:
+    dependencies:
+      '@types/hast': 3.0.4
+      hast-util-sanitize: 5.0.2
+
+  remark-gfm@4.0.1:
+    dependencies:
+      '@types/mdast': 4.0.4
+      mdast-util-gfm: 3.1.0
+      micromark-extension-gfm: 3.0.0
+      remark-parse: 11.0.0
+      remark-stringify: 11.0.0
+      unified: 11.0.5
+    transitivePeerDependencies:
+      - supports-color
+
   remark-parse@11.0.0:
     dependencies:
       '@types/mdast': 4.0.4
@@ -1930,6 +2245,12 @@ snapshots:
       unified: 11.0.5
       vfile: 6.0.3
 
+  remark-stringify@11.0.0:
+    dependencies:
+      '@types/mdast': 4.0.4
+      mdast-util-to-markdown: 2.1.2
+      unified: 11.0.5
+
   rollup@4.60.2:
     dependencies:
       '@types/estree': 1.0.8
@@ -2044,6 +2365,11 @@ snapshots:
     dependencies:
       react: 19.2.5
 
+  vfile-location@5.0.3:
+    dependencies:
+      '@types/unist': 3.0.3
+      vfile: 6.0.3
+
   vfile-message@4.0.3:
     dependencies:
       '@types/unist': 3.0.3
@@ -2069,4 +2395,6 @@ snapshots:
     dependencies:
       loose-envify: 1.4.0
 
+  web-namespaces@2.0.1: {}
+
   zwitch@2.0.4: {}
diff --git a/ui/src/pages/ProjectPage.tsx b/ui/src/pages/ProjectPage.tsx
index a0be294..9d1db72 100644
--- a/ui/src/pages/ProjectPage.tsx
+++ b/ui/src/pages/ProjectPage.tsx
@@ -4,6 +4,9 @@ import { useQuery } from '@tanstack/react-query';
 import Col from 'react-bootstrap/Col';
 import Row from 'react-bootstrap/Row';
 import ReactMarkdown from 'react-markdown';
+import rehypeRaw from 'rehype-raw';
+import rehypeSanitize, { defaultSchema } from 'rehype-sanitize';
+import remarkGfm from 'remark-gfm';
 import { VerticalTimeline } from 'react-vertical-timeline-component';
 
 import { fetchEvents, fetchReadme, fetchRepoLanguages, fetchProjects, type Source } from '../api/client';
@@ -82,7 +85,12 @@ export function ProjectPage() {
         <Row className="mb-4">
           <Col>
             <div className="project-readme">
-              <ReactMarkdown>{readmeQ.data}</ReactMarkdown>
+              <ReactMarkdown
+                remarkPlugins={[remarkGfm]}
+                rehypePlugins={[rehypeRaw, [rehypeSanitize, readmeSanitizeSchema]]}
+              >
+                {readmeQ.data}
+              </ReactMarkdown>
             </div>
           </Col>
         </Row>
@@ -126,3 +134,49 @@ function forgeIcon(source: string): string {
   }
 }
 
+// rehype-sanitize defaults are conservative — README authors lean on raw
+// HTML for layout (centered headers, collapsible sections, image
+// dimensions). Extend the schema to permit those tags/attributes while
+// still blocking script-y or interactive content (iframe, object, etc.).
+const readmeSanitizeSchema = {
+  ...defaultSchema,
+  tagNames: [
+    ...(defaultSchema.tagNames ?? []),
+    'details',
+    'summary',
+    'picture',
+    'source',
+    'kbd',
+    'sub',
+    'sup',
+    'mark',
+    'abbr',
+    'cite',
+    'figure',
+    'figcaption',
+    'center',
+  ],
+  attributes: {
+    ...defaultSchema.attributes,
+    '*': [
+      ...((defaultSchema.attributes && defaultSchema.attributes['*']) || []),
+      'align',
+      'style',
+    ],
+    a: [
+      ...((defaultSchema.attributes && defaultSchema.attributes.a) || []),
+      'target',
+      'rel',
+    ],
+    img: [
+      ...((defaultSchema.attributes && defaultSchema.attributes.img) || []),
+      'width',
+      'height',
+      'align',
+      'srcset',
+    ],
+    source: ['srcset', 'media', 'type'],
+    details: ['open'],
+  },
+};
+