feat(insights): fix DBSCAN, Persian embeddings crash, D3 physics layouts, and D3 node not found runtime error

memento-note/lib/editor/apply-clip-rtl-direction.ts

@@ -0,0 +1,72 @@
+import type { Editor } from '@tiptap/core'
+import { detectTextDirection, inferLangFromUrl } from '@/lib/clip/rtl-content'
+
+const RTL_BLOCK_TYPES = new Set([
+  'clipArticle',
+  'bulletList',
+  'orderedList',
+  'listItem',
+  'heading',
+  'paragraph',
+  'blockquote',
+])
+
+function nodeShouldBeRtl(
+  node: { type: { name: string }; textContent: string; attrs: { dir?: string | null } },
+  urlIsRtl: boolean,
+): boolean {
+  if (node.attrs.dir === 'rtl') return false
+  if (urlIsRtl) return true
+  const text = node.textContent || ''
+  if (!text.trim()) return false
+  return detectTextDirection(text) === 'rtl'
+}
+
+/**
+ * Applique dir="rtl" explicitement sur les nœuds TipTap (titres, listes, paragraphes).
+ * Basé sur la doc TipTap setTextDirection — évite textDirection:'auto' (bug listes #7338).
+ * @see https://tiptap.dev/docs/editor/api/commands/nodes-and-marks/set-text-direction
+ * @see https://github.com/ueberdosis/tiptap/issues/7338
+ */
+export function applyClipRtlDirection(
+  editor: Editor,
+  options?: { sourceUrl?: string | null },
+): boolean {
+  if (!editor || editor.isDestroyed) return false
+
+  const urlIsRtl = Boolean(options?.sourceUrl && inferLangFromUrl(options.sourceUrl))
+  const ranges: Array<{ from: number; to: number }> = []
+
+  editor.state.doc.descendants((node, pos) => {
+    if (node.type.name === 'clipArticle') {
+      ranges.push({ from: pos, to: pos + node.nodeSize })
+    }
+  })
+
+  if (ranges.length === 0) {
+    editor.state.doc.descendants((node, pos) => {
+      if (node.isText || !RTL_BLOCK_TYPES.has(node.type.name)) return
+      if (!nodeShouldBeRtl(node, urlIsRtl)) return
+      ranges.push({ from: pos, to: pos + node.nodeSize })
+    })
+  }
+
+  if (ranges.length === 0) return false
+
+  return editor
+    .chain()
+    .command(({ tr, state, dispatch }) => {
+      let changed = false
+      for (const { from, to } of ranges) {
+        state.doc.nodesBetween(from, to, (node, pos) => {
+          if (node.isText || node.attrs.dir === 'rtl') return
+          if (!RTL_BLOCK_TYPES.has(node.type.name)) return
+          tr.setNodeMarkup(pos, undefined, { ...node.attrs, dir: 'rtl' })
+          changed = true
+        })
+      }
+      if (dispatch && changed) dispatch(tr)
+      return changed
+    })
+    .run()
+}