feat(web): render markdown tables as real HTML tables

Add remark-gfm plugin so react-markdown renders GFM table syntax as
proper <table> elements. Wrap tables in a scrollable container for
mobile-friendly horizontal scrolling on wide tables like ship stats
and weapon lists.

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

web/package-lock.json

@@ -12,6 +12,7 @@
         "react-dom": "^19.0.0",
         "react-markdown": "^9.0.3",
         "react-router-dom": "^7.2.0",
+        "remark-gfm": "^4.0.1",
         "socket.io-client": "^4.8.1",
         "zustand": "^5.0.3"
       },
@@ -1602,6 +1603,18 @@
         "node": ">=6"
       }
     },
+    "node_modules/escape-string-regexp": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/escape-string-regexp/-/escape-string-regexp-5.0.0.tgz",
+      "integrity": "sha512-/veY75JbMK4j1yjvuUxuVsiS/hr/4iHs9FTT6cgTexxdE0Ly/glccBAkloH/DofkjRbZU3bnoj38mOmhkZ0lHw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=12"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/estree-util-is-identifier-name": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/estree-util-is-identifier-name/-/estree-util-is-identifier-name-3.0.0.tgz",
@@ -1826,6 +1839,32 @@
         "yallist": "^3.0.2"
       }
     },
+    "node_modules/markdown-table": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/markdown-table/-/markdown-table-3.0.4.tgz",
+      "integrity": "sha512-wiYz4+JrLyb/DqW2hkFJxP7Vd7JuTDm77fvbM8VfEQdmSMqcImWeeRbHwZjBjIFki/VaMK2BhFi7oUUZeM5bqw==",
+      "license": "MIT",
+      "funding": {
+        "type": "github",
+        "url": "https://github.com/sponsors/wooorm"
+      }
+    },
+    "node_modules/mdast-util-find-and-replace": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/mdast-util-find-and-replace/-/mdast-util-find-and-replace-3.0.2.tgz",
+      "integrity": "sha512-Tmd1Vg/m3Xz43afeNxDIhWRtFZgM2VLyaf4vSTYwudTyeuTneoL3qtWMA5jeLyz/O1vDJmmV4QuScFCA2tBPwg==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/mdast": "^4.0.0",
+        "escape-string-regexp": "^5.0.0",
+        "unist-util-is": "^6.0.0",
+        "unist-util-visit-parents": "^6.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
     "node_modules/mdast-util-from-markdown": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/mdast-util-from-markdown/-/mdast-util-from-markdown-2.0.2.tgz",
@@ -1850,6 +1889,107 @@
         "url": "https://opencollective.com/unified"
       }
     },
+    "node_modules/mdast-util-gfm": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/mdast-util-gfm/-/mdast-util-gfm-3.1.0.tgz",
+      "integrity": "sha512-0ulfdQOM3ysHhCJ1p06l0b0VKlhU0wuQs3thxZQagjcjPrlFRqY215uZGHHJan9GEAXd9MbfPjFJz+qMkVR6zQ==",
+      "license": "MIT",
+      "dependencies": {
+        "mdast-util-from-markdown": "^2.0.0",
+        "mdast-util-gfm-autolink-literal": "^2.0.0",
+        "mdast-util-gfm-footnote": "^2.0.0",
+        "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": "^2.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
+    "node_modules/mdast-util-gfm-autolink-literal": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/mdast-util-gfm-autolink-literal/-/mdast-util-gfm-autolink-literal-2.0.1.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "@types/mdast": "^4.0.0",
+        "ccount": "^2.0.0",
+        "devlop": "^1.0.0",
+        "mdast-util-find-and-replace": "^3.0.0",
+        "micromark-util-character": "^2.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
+    "node_modules/mdast-util-gfm-footnote": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/mdast-util-gfm-footnote/-/mdast-util-gfm-footnote-2.1.0.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "@types/mdast": "^4.0.0",
+        "devlop": "^1.1.0",
+        "mdast-util-from-markdown": "^2.0.0",
+        "mdast-util-to-markdown": "^2.0.0",
+        "micromark-util-normalize-identifier": "^2.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
+    "node_modules/mdast-util-gfm-strikethrough": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/mdast-util-gfm-strikethrough/-/mdast-util-gfm-strikethrough-2.0.0.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "@types/mdast": "^4.0.0",
+        "mdast-util-from-markdown": "^2.0.0",
+        "mdast-util-to-markdown": "^2.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
+    "node_modules/mdast-util-gfm-table": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/mdast-util-gfm-table/-/mdast-util-gfm-table-2.0.0.tgz",
+      "integrity": "sha512-78UEvebzz/rJIxLvE7ZtDd/vIQ0RHv+3Mh5DR96p7cS7HsBhYIICDBCu8csTNWNO6tBWfqXPWekRuj2FNOGOZg==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/mdast": "^4.0.0",
+        "devlop": "^1.0.0",
+        "markdown-table": "^3.0.0",
+        "mdast-util-from-markdown": "^2.0.0",
+        "mdast-util-to-markdown": "^2.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
+    "node_modules/mdast-util-gfm-task-list-item": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/mdast-util-gfm-task-list-item/-/mdast-util-gfm-task-list-item-2.0.0.tgz",
+      "integrity": "sha512-IrtvNvjxC1o06taBAVJznEnkiHxLFTzgonUdy8hzFVeDun0uTjxxrRGVaNFqkU1wJR3RBPEfsxmU6jDWPofrTQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/mdast": "^4.0.0",
+        "devlop": "^1.0.0",
+        "mdast-util-from-markdown": "^2.0.0",
+        "mdast-util-to-markdown": "^2.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
     "node_modules/mdast-util-mdx-expression": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/mdast-util-mdx-expression/-/mdast-util-mdx-expression-2.0.1.tgz",
@@ -2048,6 +2188,127 @@
         "micromark-util-types": "^2.0.0"
       }
     },
+    "node_modules/micromark-extension-gfm": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/micromark-extension-gfm/-/micromark-extension-gfm-3.0.0.tgz",
+      "integrity": "sha512-vsKArQsicm7t0z2GugkCKtZehqUm31oeGBV/KVSorWSy8ZlNAv7ytjFhvaryUiCUJYqs+NoE6AFhpQvBTM6Q4w==",
+      "license": "MIT",
+      "dependencies": {
+        "micromark-extension-gfm-autolink-literal": "^2.0.0",
+        "micromark-extension-gfm-footnote": "^2.0.0",
+        "micromark-extension-gfm-strikethrough": "^2.0.0",
+        "micromark-extension-gfm-table": "^2.0.0",
+        "micromark-extension-gfm-tagfilter": "^2.0.0",
+        "micromark-extension-gfm-task-list-item": "^2.0.0",
+        "micromark-util-combine-extensions": "^2.0.0",
+        "micromark-util-types": "^2.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
+    "node_modules/micromark-extension-gfm-autolink-literal": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/micromark-extension-gfm-autolink-literal/-/micromark-extension-gfm-autolink-literal-2.1.0.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "micromark-util-character": "^2.0.0",
+        "micromark-util-sanitize-uri": "^2.0.0",
+        "micromark-util-symbol": "^2.0.0",
+        "micromark-util-types": "^2.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
+    "node_modules/micromark-extension-gfm-footnote": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/micromark-extension-gfm-footnote/-/micromark-extension-gfm-footnote-2.1.0.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "devlop": "^1.0.0",
+        "micromark-core-commonmark": "^2.0.0",
+        "micromark-factory-space": "^2.0.0",
+        "micromark-util-character": "^2.0.0",
+        "micromark-util-normalize-identifier": "^2.0.0",
+        "micromark-util-sanitize-uri": "^2.0.0",
+        "micromark-util-symbol": "^2.0.0",
+        "micromark-util-types": "^2.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
+    "node_modules/micromark-extension-gfm-strikethrough": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/micromark-extension-gfm-strikethrough/-/micromark-extension-gfm-strikethrough-2.1.0.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "devlop": "^1.0.0",
+        "micromark-util-chunked": "^2.0.0",
+        "micromark-util-classify-character": "^2.0.0",
+        "micromark-util-resolve-all": "^2.0.0",
+        "micromark-util-symbol": "^2.0.0",
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+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
+    "node_modules/micromark-extension-gfm-table": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/micromark-extension-gfm-table/-/micromark-extension-gfm-table-2.1.1.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "devlop": "^1.0.0",
+        "micromark-factory-space": "^2.0.0",
+        "micromark-util-character": "^2.0.0",
+        "micromark-util-symbol": "^2.0.0",
+        "micromark-util-types": "^2.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
+    "node_modules/micromark-extension-gfm-tagfilter": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/micromark-extension-gfm-tagfilter/-/micromark-extension-gfm-tagfilter-2.0.0.tgz",
+      "integrity": "sha512-xHlTOmuCSotIA8TW1mDIM6X2O1SiX5P9IuDtqGonFhEK0qgRI4yeC6vMxEV2dgyr2TiD+2PQ10o+cOhdVAcwfg==",
+      "license": "MIT",
+      "dependencies": {
+        "micromark-util-types": "^2.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
+    "node_modules/micromark-extension-gfm-task-list-item": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/micromark-extension-gfm-task-list-item/-/micromark-extension-gfm-task-list-item-2.1.0.tgz",
+      "integrity": "sha512-qIBZhqxqI6fjLDYFTBIa4eivDMnP+OZqsNwmQ3xNLE4Cxwc+zfQEfbs6tzAo2Hjq+bh6q5F+Z8/cksrLFYWQQw==",
+      "license": "MIT",
+      "dependencies": {
+        "devlop": "^1.0.0",
+        "micromark-factory-space": "^2.0.0",
+        "micromark-util-character": "^2.0.0",
+        "micromark-util-symbol": "^2.0.0",
+        "micromark-util-types": "^2.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
     "node_modules/micromark-factory-destination": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/micromark-factory-destination/-/micromark-factory-destination-2.0.1.tgz",
@@ -2633,6 +2894,24 @@
         "react-dom": ">=18"
       }
     },
+    "node_modules/remark-gfm": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/remark-gfm/-/remark-gfm-4.0.1.tgz",
+      "integrity": "sha512-1quofZ2RQ9EWdeN34S79+KExV1764+wCUGop5CPL1WGdD0ocPpu91lzPGbwWMECpEpd42kJGQwzRfyov9j4yNg==",
+      "license": "MIT",
+      "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"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
     "node_modules/remark-parse": {
       "version": "11.0.0",
       "resolved": "https://registry.npmjs.org/remark-parse/-/remark-parse-11.0.0.tgz",
@@ -2666,6 +2945,21 @@
         "url": "https://opencollective.com/unified"
       }
     },
+    "node_modules/remark-stringify": {
+      "version": "11.0.0",
+      "resolved": "https://registry.npmjs.org/remark-stringify/-/remark-stringify-11.0.0.tgz",
+      "integrity": "sha512-1OSmLd3awB/t8qdoEOMazZkNsfVTeY4fTsgzcQFdXNq8ToTN4ZGwrMnlda4K6smTFKD+GRV6O48i6Z4iKgPPpw==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/mdast": "^4.0.0",
+        "mdast-util-to-markdown": "^2.0.0",
+        "unified": "^11.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/unified"
+      }
+    },
     "node_modules/rollup": {
       "version": "4.57.1",
       "resolved": "https://registry.npmjs.org/rollup/-/rollup-4.57.1.tgz",

web/package.json

@@ -11,16 +11,17 @@
   "dependencies": {
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
+    "react-markdown": "^9.0.3",
     "react-router-dom": "^7.2.0",
-    "zustand": "^5.0.3",
+    "remark-gfm": "^4.0.1",
     "socket.io-client": "^4.8.1",
-    "react-markdown": "^9.0.3"
+    "zustand": "^5.0.3"
   },
   "devDependencies": {
-    "typescript": "^5.7.3",
-    "vite": "^6.1.0",
-    "@vitejs/plugin-react": "^4.3.4",
     "@types/react": "^19.0.0",
-    "@types/react-dom": "^19.0.0"
+    "@types/react-dom": "^19.0.0",
+    "@vitejs/plugin-react": "^4.3.4",
+    "typescript": "^5.7.3",
+    "vite": "^6.1.0"
   }
 }

web/src/index.css

@@ -562,11 +562,17 @@ details[open] > .rules-summary::before {
   margin-bottom: 2px;
 }
 
+.rules-content .table-wrap {
+  overflow-x: auto;
+  -webkit-overflow-scrolling: touch;
+  margin: var(--spacing-sm) 0;
+}
+
 .rules-content table {
   width: 100%;
   border-collapse: collapse;
-  margin: var(--spacing-sm) 0;
   font-size: 0.85rem;
+  white-space: nowrap;
 }
 
 .rules-content th,

web/src/pages/RulesPage.tsx

@@ -1,5 +1,6 @@
 import { useState } from 'react';
 import Markdown from 'react-markdown';
+import remarkGfm from 'remark-gfm';
 import TopBar from '../components/layout/TopBar';
 import PageContainer from '../components/layout/PageContainer';
 import { battleReferenceSections } from '../rules/battle-reference';
@@ -47,7 +48,14 @@ export default function RulesPage() {
                 {section.title}
               </summary>
               <div className="rules-content">
-                <Markdown>{section.content}</Markdown>
+                <Markdown
+                  remarkPlugins={[remarkGfm]}
+                  components={{
+                    table: ({ children }) => (
+                      <div className="table-wrap"><table>{children}</table></div>
+                    ),
+                  }}
+                >{section.content}</Markdown>
               </div>
             </details>
           ))}