diff --git a/src/components/AdvancedEventLab/AdvancedEventLabDialog.tsx b/src/components/AdvancedEventLab/AdvancedEventLabDialog.tsx
index 01a95769..696d2bdb 100644
--- a/src/components/AdvancedEventLab/AdvancedEventLabDialog.tsx
+++ b/src/components/AdvancedEventLab/AdvancedEventLabDialog.tsx
@@ -53,6 +53,12 @@ import { useTranslation } from 'react-i18next'
 import { toast } from 'sonner'
 import { AdvancedEventLabMarkupToolbar } from './AdvancedEventLabMarkupToolbar'
 import { AdvancedEventLabPreviewPane } from './AdvancedEventLabPreviewPane'
+import AdvancedEventLabTagsEditor, {
+  editableRowsToLabTags,
+  labTagsToEditableRows
+} from './AdvancedEventLabTagsEditor'
+import { newComposerTagRow, type ComposerExtraTagRow } from '@/lib/composer-extra-tags'
+import { stripImwaldAttributionTags } from '@/lib/draft-event'
 import customEmojiService from '@/services/custom-emoji.service'
 import postEditorCache from '@/services/post-editor-cache.service'
 import type { TEmoji } from '@/types'
@@ -182,8 +188,7 @@ export type AdvancedEventLabDialogProps = {
   formatToolbar?: ReactNode
   /**
    * When set, lab markup/tags are debounced to the post-editor draft store (same persistence as TipTap)
-   * so a **reload** can restore in-progress lab work. Closing without Apply (dismiss actions, including the cancel button, Escape, overlay)
-   * clears this draft so the next open is seeded from TipTap again.
+   * so a **reload** can restore in-progress lab work. The draft is kept on dismiss; clear happens on publish or composer Clear.
    */
   draftPersistenceKey?: string | null
   /** Lab preview: resolve custom `:shortcode:` from this author's NIP-30 inventory when tags do not define them. */
@@ -239,13 +244,12 @@ export default function AdvancedEventLabDialog({
   const labPersistTimerRef = useRef<ReturnType<typeof setTimeout> | null>(null)
   const previewDebounceTimerRef = useRef<ReturnType<typeof setTimeout> | null>(null)
   const schedulePreviewUpdateRef = useRef<(text: string) => void>(() => {})
-  /** When true, closing is from Apply (draft already cleared); skip discard cleanup. */
-  const skipClearLabDraftOnCloseRef = useRef(false)
   /** Debounce writes to the draft map; pagehide/beforeunload flush immediately to disk. */
   const LAB_DRAFT_DEBOUNCE_MS = 500
 
   const [previewDoc, setPreviewDoc] = useState('')
   const [labBodyTab, setLabBodyTab] = useState<'edit' | 'preview'>('edit')
+  const [labTagRows, setLabTagRows] = useState<ComposerExtraTagRow[]>(() => [newComposerTagRow()])
 
   /** Stable while payload matches; avoids remounting the editor when the parent passes a new `initial` object reference. */
   const labEditorMountFingerprint =
@@ -358,21 +362,14 @@ export default function AdvancedEventLabDialog({
   const handleDialogOpenChange = useCallback(
     (next: boolean) => {
       if (!next) {
-        if (!skipClearLabDraftOnCloseRef.current) {
-          if (labPersistTimerRef.current) {
-            clearTimeout(labPersistTimerRef.current)
-            labPersistTimerRef.current = null
-          }
-          const key = draftPersistenceKeyRef.current
-          if (key) {
-            postEditorCache.clearAdvancedLabDraft(key)
-          }
+        const key = draftPersistenceKeyRef.current
+        if (key) {
+          flushLabDraftNow(key, true)
         }
-        skipClearLabDraftOnCloseRef.current = false
       }
       onOpenChange(next)
     },
-    [onOpenChange]
+    [onOpenChange, flushLabDraftNow]
   )
 
   const scheduleLabDraftPersist = useCallback(() => {
@@ -395,6 +392,18 @@ export default function AdvancedEventLabDialog({
     }, LAB_DRAFT_DEBOUNCE_MS)
   }, [])
 
+  const syncLabTagsFromRows = useCallback(
+    (rows: ComposerExtraTagRow[]) => {
+      setLabTagRows(rows)
+      const s = sliceRef.current
+      if (!s) return
+      s.tags = editableRowsToLabTags(rows)
+      scheduleLabDraftPersist()
+      bumpUndoUi()
+    },
+    [scheduleLabDraftPersist, bumpUndoUi]
+  )
+
   const restoreSliceInEditor = useCallback(
     (slice: AdvancedEventLabSlice) => {
       const v = markupView.current
@@ -403,7 +412,13 @@ export default function AdvancedEventLabDialog({
         changes: { from: 0, to: v.state.doc.length, insert: slice.content },
         selection: EditorSelection.cursor(0)
       })
-      sliceRef.current = cloneLabSlice(slice)
+      const editable = stripImwaldAttributionTags(slice.tags)
+      sliceRef.current = {
+        kind: slice.kind,
+        content: slice.content,
+        tags: editable.map((row) => [...row])
+      }
+      setLabTagRows(labTagsToEditableRows(editable))
       setPreviewDoc(slice.content)
       scheduleLabDraftPersist()
       if (isLanguageToolConfigured()) requestAdvancedLabGrammarLint(v)
@@ -614,12 +629,14 @@ export default function AdvancedEventLabDialog({
 
       destroyEditors()
 
+      const editableTags = stripImwaldAttributionTags(initial.tags)
       const baseSlice: AdvancedEventLabSlice = {
         kind: initial.kind,
         content: initial.content,
-        tags: initial.tags.map((row) => [...row])
+        tags: editableTags.map((row) => [...row])
       }
       sliceRef.current = baseSlice
+      setLabTagRows(labTagsToEditableRows(editableTags))
       setPreviewDoc(baseSlice.content)
 
       const markupLang: Extension =
@@ -799,13 +816,14 @@ export default function AdvancedEventLabDialog({
     const payload: AdvancedEventLabSlice = {
       kind,
       content,
-      tags: s.tags.map((row) => [...row])
+      tags: editableRowsToLabTags(labTagRows)
     }
-    skipClearLabDraftOnCloseRef.current = true
-    onApply(payload)
-    if (draftPersistenceKeyRef.current) {
-      postEditorCache.clearAdvancedLabDraft(draftPersistenceKeyRef.current)
+    const key = draftPersistenceKeyRef.current
+    if (key) {
+      postEditorCache.setAdvancedLabDraft(key, payload)
+      postEditorCache.flushPersist()
     }
+    onApply(payload)
     if (undoSessionId) {
       clearLabCheckpointsSession(undoSessionId)
       labCheckpointsRef.current = []
@@ -947,7 +965,8 @@ export default function AdvancedEventLabDialog({
           <div className="mt-2 border-t bg-muted/20 px-2 py-2">{formatToolbar}</div>
         ) : null}
 
-          <div className="mt-2 border-t bg-background px-4 py-3">
+          <div className="mt-2 border-t bg-background px-4 py-3 space-y-3">
+            <AdvancedEventLabTagsEditor rows={labTagRows} onChange={syncLabTagsFromRows} />
             <div className="flex flex-col-reverse gap-2 sm:flex-row sm:justify-end">
               <Button type="button" variant="outline" onClick={() => handleDialogOpenChange(false)}>
                 {t('Advanced lab cancel undo')}
diff --git a/src/components/AdvancedEventLab/AdvancedEventLabTagsEditor.tsx b/src/components/AdvancedEventLab/AdvancedEventLabTagsEditor.tsx
new file mode 100644
index 00000000..05d9471a
--- /dev/null
+++ b/src/components/AdvancedEventLab/AdvancedEventLabTagsEditor.tsx
@@ -0,0 +1,143 @@
+import { Button } from '@/components/ui/button'
+import { Input } from '@/components/ui/input'
+import { Label } from '@/components/ui/label'
+import { Textarea } from '@/components/ui/textarea'
+import {
+  Collapsible,
+  CollapsibleContent,
+  CollapsibleTrigger
+} from '@/components/ui/collapsible'
+import {
+  formatComposerTagValuesInput,
+  newComposerTagRow,
+  normalizeComposerExtraTags,
+  parseComposerTagValuesInput,
+  type ComposerExtraTagRow
+} from '@/lib/composer-extra-tags'
+import { cn } from '@/lib/utils'
+import { ChevronDown, Plus, Trash2 } from 'lucide-react'
+import { useTranslation } from 'react-i18next'
+
+export function labTagsToEditableRows(tags: string[][]): ComposerExtraTagRow[] {
+  const normalized = tags.filter((t) => Array.isArray(t) && String(t[0] ?? '').trim())
+  if (!normalized.length) return [newComposerTagRow()]
+  return normalized.map((tag) => newComposerTagRow([...tag]))
+}
+
+export function editableRowsToLabTags(rows: ComposerExtraTagRow[]): string[][] {
+  return normalizeComposerExtraTags(rows)
+}
+
+export default function AdvancedEventLabTagsEditor({
+  rows,
+  onChange,
+  className
+}: {
+  rows: ComposerExtraTagRow[]
+  onChange: (rows: ComposerExtraTagRow[]) => void
+  className?: string
+}) {
+  const { t } = useTranslation()
+
+  const updateRow = (id: string, patch: Partial<{ name: string; valuesRaw: string }>) => {
+    onChange(
+      rows.map((row) => {
+        if (row.id !== id) return row
+        const name = patch.name !== undefined ? patch.name : (row.tag[0] ?? '')
+        const valuesRaw =
+          patch.valuesRaw !== undefined ? patch.valuesRaw : formatComposerTagValuesInput(row.tag)
+        const vals = parseComposerTagValuesInput(valuesRaw)
+        return {
+          ...row,
+          tag: name.trim() ? [name.trim(), ...vals] : vals.length ? ['', ...vals] : ['', '']
+        }
+      })
+    )
+  }
+
+  const removeRow = (id: string) => {
+    const next = rows.filter((row) => row.id !== id)
+    onChange(next.length > 0 ? next : [newComposerTagRow()])
+  }
+
+  const addRow = () => {
+    onChange([...rows, newComposerTagRow()])
+  }
+
+  const filledCount = rows.filter((r) => (r.tag[0] ?? '').trim()).length
+
+  return (
+    <Collapsible
+      defaultOpen={filledCount > 0}
+      className={cn('rounded-lg border bg-muted/30', className)}
+    >
+      <CollapsibleTrigger className="flex w-full items-center gap-2 px-3 py-2.5 text-left text-sm font-medium hover:bg-muted/50 rounded-lg">
+        <ChevronDown className="h-4 w-4 shrink-0 transition-transform [[data-state=open]_&]:rotate-180" />
+        <span className="flex-1">{t('advancedLabTagsTitle', { defaultValue: 'Event tags' })}</span>
+        <span className="text-xs font-normal text-muted-foreground">
+          {t('advancedLabTagsCount', {
+            defaultValue: '{{count}} tags',
+            count: filledCount
+          })}
+        </span>
+      </CollapsibleTrigger>
+      <CollapsibleContent className="px-3 pb-3 pt-0 space-y-3">
+        <p className="text-xs text-muted-foreground leading-snug">
+          {t('advancedLabTagsHint', {
+            defaultValue:
+              'All tags except the client tag. One value per line for multi-value tags. Changes are saved automatically.'
+          })}
+        </p>
+        <div className="space-y-2 max-h-[min(40vh,20rem)] overflow-y-auto pr-1">
+          {rows.map((row) => {
+            const name = row.tag[0] ?? ''
+            const valuesRaw = formatComposerTagValuesInput(row.tag)
+            return (
+              <div
+                key={row.id}
+                className="flex flex-wrap gap-2 items-start min-w-0 rounded-md border border-border/60 bg-background/50 p-2"
+              >
+                <div className="w-full min-w-[5rem] sm:w-28 shrink-0">
+                  <Label className="sr-only">{t('Tag name')}</Label>
+                  <Input
+                    value={name}
+                    placeholder={t('Tag name')}
+                    className="font-mono text-xs h-8"
+                    onChange={(e) => updateRow(row.id, { name: e.target.value })}
+                  />
+                </div>
+                <div className="flex-1 min-w-[8rem]">
+                  <Label className="sr-only">{t('Values')}</Label>
+                  <Textarea
+                    value={valuesRaw}
+                    placeholder={t('advancedLabTagValuesPlaceholder', {
+                      defaultValue: 'One value per line'
+                    })}
+                    className="font-mono text-xs min-h-[2.25rem] resize-y"
+                    rows={2}
+                    onChange={(e) => updateRow(row.id, { valuesRaw: e.target.value })}
+                  />
+                </div>
+                <Button
+                  type="button"
+                  variant="ghost"
+                  size="icon"
+                  className="shrink-0 text-muted-foreground hover:text-destructive mt-0.5"
+                  disabled={rows.length <= 1}
+                  onClick={() => removeRow(row.id)}
+                  aria-label={t('Remove')}
+                >
+                  <Trash2 className="h-4 w-4" />
+                </Button>
+              </div>
+            )
+          })}
+        </div>
+        <Button type="button" variant="outline" size="sm" className="gap-1" onClick={addRow}>
+          <Plus className="h-3.5 w-3.5" />
+          {t('advancedLabTagsAdd', { defaultValue: 'Add tag' })}
+        </Button>
+      </CollapsibleContent>
+    </Collapsible>
+  )
+}
diff --git a/src/components/KindFilter/index.tsx b/src/components/KindFilter/index.tsx
index 991b3d3e..19e4f55b 100644
--- a/src/components/KindFilter/index.tsx
+++ b/src/components/KindFilter/index.tsx
@@ -18,7 +18,7 @@ const KIND_1 = kinds.ShortTextNote
 const KIND_1111 = ExtendedKind.COMMENT
 
 const KIND_FILTER_OPTIONS = [
-  { kindGroup: [kinds.LongFormArticle, ExtendedKind.WIKI_ARTICLE, ExtendedKind.WIKI_ARTICLE_MARKDOWN], label: 'Articles' },
+  { kindGroup: [kinds.LongFormArticle, ExtendedKind.WIKI_ARTICLE, ExtendedKind.NOSTR_SPECIFICATION], label: 'Articles' },
   { kindGroup: [kinds.Highlights], label: 'Highlights' },
   { kindGroup: [ExtendedKind.POLL], label: 'Polls' },
   { kindGroup: [ExtendedKind.VOICE, ExtendedKind.VOICE_COMMENT], label: 'Voice Posts' },
diff --git a/src/components/Note/Highlight/index.tsx b/src/components/Note/Highlight/index.tsx
index 49981670..826081ae 100644
--- a/src/components/Note/Highlight/index.tsx
+++ b/src/components/Note/Highlight/index.tsx
@@ -285,7 +285,7 @@ export default function Highlight({
         ExtendedKind.PICTURE, // Has PictureNotePreview
         ExtendedKind.PUBLICATION, // Has PublicationCard
         ExtendedKind.WIKI_ARTICLE, // Has special card
-        ExtendedKind.WIKI_ARTICLE_MARKDOWN, // Has special card
+        ExtendedKind.NOSTR_SPECIFICATION, // Has special card
         ExtendedKind.VOICE, // Has special card
         ExtendedKind.VOICE_COMMENT, // Has special card
       ]
diff --git a/src/components/Note/index.tsx b/src/components/Note/index.tsx
index 7209ce20..192eb62b 100644
--- a/src/components/Note/index.tsx
+++ b/src/components/Note/index.tsx
@@ -305,7 +305,7 @@ export default function Note({
     event.kind === kinds.ShortTextNote ||
     event.kind === kinds.LongFormArticle ||
     event.kind === ExtendedKind.WIKI_ARTICLE ||
-    event.kind === ExtendedKind.WIKI_ARTICLE_MARKDOWN ||
+    event.kind === ExtendedKind.NOSTR_SPECIFICATION ||
     event.kind === ExtendedKind.PUBLICATION ||
     event.kind === ExtendedKind.PUBLICATION_CONTENT ||
     event.kind === ExtendedKind.DISCUSSION ||
@@ -458,7 +458,7 @@ export default function Note({
     ) : (
       <WikiCard className="mt-2" event={displayEvent} />
     )
-  } else if (event.kind === ExtendedKind.WIKI_ARTICLE_MARKDOWN) {
+  } else if (event.kind === ExtendedKind.NOSTR_SPECIFICATION) {
     content = showFull ? (
       renderEventContent()
     ) : (
diff --git a/src/components/NoteOptions/EditOrCloneEventDialog.tsx b/src/components/NoteOptions/EditOrCloneEventDialog.tsx
index 830f986f..f2c5d6f3 100644
--- a/src/components/NoteOptions/EditOrCloneEventDialog.tsx
+++ b/src/components/NoteOptions/EditOrCloneEventDialog.tsx
@@ -103,7 +103,7 @@ function StaticEventPreview({ event, className }: { event: Event; className?: st
   if (k === ExtendedKind.WIKI_ARTICLE) {
     return wrap(<AsciidocArticle event={event} hideImagesAndInfo={false} />)
   }
-  if (k === ExtendedKind.WIKI_ARTICLE_MARKDOWN) {
+  if (k === ExtendedKind.NOSTR_SPECIFICATION) {
     return wrap(<MarkdownArticle event={event} hideMetadata />)
   }
   if (k === ExtendedKind.PUBLICATION_CONTENT) {
@@ -368,13 +368,23 @@ export default function EditOrCloneEventDialog(props: EditOrCloneEventDialogProp
   const openAdvancedLab = useCallback(() => {
     if (isCreate && parsedCreateKind === null) return
     const k = isCreate ? parsedCreateKind! : sourceEvent!.kind
-    setAdvancedLabInitial({
-      kind: k,
-      content,
-      tags: normalizedTags.map((row) => [...row])
-    })
+    const key = advancedLabDraftPersistenceKey
+    const saved = key ? postEditorCache.getAdvancedLabDraft(key) : undefined
+    if (saved && saved.kind === k) {
+      setAdvancedLabInitial({
+        kind: saved.kind,
+        content: saved.content,
+        tags: saved.tags.map((row) => [...row])
+      })
+    } else {
+      setAdvancedLabInitial({
+        kind: k,
+        content,
+        tags: normalizedTags.map((row) => [...row])
+      })
+    }
     setAdvancedLabOpen(true)
-  }, [isCreate, parsedCreateKind, sourceEvent, content, normalizedTags])
+  }, [isCreate, parsedCreateKind, sourceEvent, content, normalizedTags, advancedLabDraftPersistenceKey])
 
   const labKind = isCreate ? (parsedCreateKind ?? 0) : sourceEvent?.kind ?? 0
 
@@ -630,6 +640,14 @@ export default function EditOrCloneEventDialog(props: EditOrCloneEventDialogProp
         advancedLabOpen && advancedLabDraftPersistenceKey ? advancedLabDraftPersistenceKey : null
       }
       onApply={(payload) => {
+        if (advancedLabDraftPersistenceKey) {
+          postEditorCache.setAdvancedLabDraft(advancedLabDraftPersistenceKey, {
+            kind: payload.kind,
+            content: payload.content,
+            tags: payload.tags.map((r) => [...r])
+          })
+          postEditorCache.flushPersist()
+        }
         setContent(payload.content)
         setTagRows(payload.tags.length > 0 ? payload.tags.map((r) => [...r]) : [['', '']])
         if (isCreate) {
diff --git a/src/components/NoteOptions/useMenuActions.tsx b/src/components/NoteOptions/useMenuActions.tsx
index 96d00f16..3f68ac4a 100644
--- a/src/components/NoteOptions/useMenuActions.tsx
+++ b/src/components/NoteOptions/useMenuActions.tsx
@@ -493,7 +493,7 @@ export function useMenuActions({
   const isArticleType = useMemo(() => {
     return event.kind === kinds.LongFormArticle ||
            event.kind === ExtendedKind.WIKI_ARTICLE ||
-           event.kind === ExtendedKind.WIKI_ARTICLE_MARKDOWN ||
+           event.kind === ExtendedKind.NOSTR_SPECIFICATION ||
            event.kind === ExtendedKind.PUBLICATION ||
            event.kind === ExtendedKind.PUBLICATION_CONTENT
   }, [event.kind])
@@ -1067,7 +1067,7 @@ export function useMenuActions({
 
     // Add export options for article-type events
     if (isArticleType) {
-      const isMarkdownFormat = event.kind === kinds.LongFormArticle || event.kind === ExtendedKind.WIKI_ARTICLE_MARKDOWN
+      const isMarkdownFormat = event.kind === kinds.LongFormArticle || event.kind === ExtendedKind.NOSTR_SPECIFICATION
       const isAsciidocFormat = event.kind === ExtendedKind.WIKI_ARTICLE || event.kind === ExtendedKind.PUBLICATION || event.kind === ExtendedKind.PUBLICATION_CONTENT
       
       if (isMarkdownFormat) {
@@ -1115,7 +1115,7 @@ export function useMenuActions({
         event.kind === ExtendedKind.PUBLICATION_CONTENT ||
         event.kind === ExtendedKind.PUBLICATION ||
         event.kind === ExtendedKind.WIKI_ARTICLE ||
-        event.kind === ExtendedKind.WIKI_ARTICLE_MARKDOWN
+        event.kind === ExtendedKind.NOSTR_SPECIFICATION
       ) {
         // For 30041, 30040, 30818, 30817: Alexandria
         if (naddr) {
diff --git a/src/components/PostEditor/PostContent.tsx b/src/components/PostEditor/PostContent.tsx
index 5448de7e..7057639a 100644
--- a/src/components/PostEditor/PostContent.tsx
+++ b/src/components/PostEditor/PostContent.tsx
@@ -28,15 +28,15 @@ import {
   createVideoDraftEvent,
   createLongFormArticleDraftEvent,
   createWikiArticleDraftEvent,
-  createWikiArticleMarkdownDraftEvent,
+  createNostrSpecificationDraftEvent,
   createPublicationContentDraftEvent,
   createCitationInternalDraftEvent,
   createCitationExternalDraftEvent,
   createCitationHardcopyDraftEvent,
   createCitationPromptDraftEvent,
-  applyImwaldAttributionTags,
   collectUploadImetaTagsForContentUrls,
-  mergeUploadImetaTagsInto
+  mergeUploadImetaTagsInto,
+  stripImwaldAttributionTags
 } from '@/lib/draft-event'
 import {
   ExtendedKind,
@@ -58,6 +58,8 @@ import {
   Check,
   ChevronDown,
   ListTodo,
+  Plus,
+  Trash2,
   MessageCircle,
   MessagesSquare,
   X,
@@ -108,6 +110,11 @@ import PollEditor from './PollEditor'
 import PostOptions from './PostOptions'
 import PostRelaySelector from './PostRelaySelector'
 import PostTextarea, { TPostTextareaHandle } from './PostTextarea'
+import {
+  newNostrSpecAffectedKindRow,
+  parseNostrSpecAffectedKinds,
+  type NostrSpecAffectedKindRow
+} from '@/lib/nostr-spec-affected-kinds'
 import { NeventPickerProvider } from './PostTextarea/Mention/NeventNaddrPickerDialog'
 import Uploader from './Uploader'
 import HighlightEditor, { HighlightData } from './HighlightEditor'
@@ -119,7 +126,7 @@ import {
   PostEditorFormatToolbar,
   type PostEditorFormatToolbarUploadHandlers
 } from './PostEditorFormatToolbar'
-import { parseLabSlice, type AdvancedEventLabSlice } from '@/lib/advanced-event-lab-slice'
+import type { AdvancedEventLabSlice } from '@/lib/advanced-event-lab-slice'
 import { isAsciidocMarkupKind } from '@/lib/advanced-event-lab-kinds'
 
 /** Let the UI paint before heavy work. `requestAnimationFrame` alone can stall indefinitely in hidden or throttled documents. */
@@ -249,7 +256,6 @@ export default function PostContent({
   )
   const [text, setText] = useState('')
   const textareaRef = useRef<TPostTextareaHandle>(null)
-  const labTagOverrideRef = useRef<string[][] | null>(null)
   const [advancedLabOpen, setAdvancedLabOpen] = useState(false)
   const advancedLabOpenRef = useRef(false)
   useEffect(() => {
@@ -323,8 +329,11 @@ export default function PostContent({
   const [mediaUrl, setMediaUrl] = useState<string>('')
   const [isLongFormArticle, setIsLongFormArticle] = useState(false)
   const [isWikiArticle, setIsWikiArticle] = useState(false)
-  const [isWikiArticleMarkdown, setIsWikiArticleMarkdown] = useState(false)
+  const [isNostrSpecification, setIsNostrSpecification] = useState(false)
   const [isPublicationContent, setIsPublicationContent] = useState(false)
+  const [nostrSpecAffectedKindRows, setNostrSpecAffectedKindRows] = useState<NostrSpecAffectedKindRow[]>(
+    () => [newNostrSpecAffectedKindRow()]
+  )
   const [articleTitle, setArticleTitle] = useState('')
   const [articleDTag, setArticleDTag] = useState('')
   const [articleImage, setArticleImage] = useState('')
@@ -385,11 +394,11 @@ export default function PostContent({
 
   useEffect(() => {
     const isArticle =
-      isLongFormArticle || isWikiArticle || isWikiArticleMarkdown || isPublicationContent
+      isLongFormArticle || isWikiArticle || isNostrSpecification || isPublicationContent
     if (!isArticle) {
       articleDTagFallbackRef.current = null
     }
-  }, [isLongFormArticle, isWikiArticle, isWikiArticleMarkdown, isPublicationContent])
+  }, [isLongFormArticle, isWikiArticle, isNostrSpecification, isPublicationContent])
 
   useEffect(() => {
     mediaNoteKindRef.current = mediaNoteKind
@@ -632,8 +641,8 @@ export default function PostContent({
       return kinds.LongFormArticle
     } else if (isWikiArticle) {
       return ExtendedKind.WIKI_ARTICLE
-    } else if (isWikiArticleMarkdown) {
-      return ExtendedKind.WIKI_ARTICLE_MARKDOWN
+    } else if (isNostrSpecification) {
+      return ExtendedKind.NOSTR_SPECIFICATION
     } else if (isPublicationContent) {
       return ExtendedKind.PUBLICATION_CONTENT
     } else if (isCitationInternal) {
@@ -659,7 +668,7 @@ export default function PostContent({
     isDiscussionThread,
     isLongFormArticle,
     isWikiArticle,
-    isWikiArticleMarkdown,
+    isNostrSpecification,
     isPublicationContent,
     isCitationInternal,
     isCitationExternal,
@@ -740,6 +749,48 @@ export default function PostContent({
     return [['i', c], ['I', c]]
   }, [parentEvent])
 
+  const articlePreviewMetadata = useMemo(() => {
+    const isArticle =
+      isLongFormArticle || isWikiArticle || isNostrSpecification || isPublicationContent
+    if (!isArticle) return undefined
+    const topics = articleSubject.trim()
+      ? articleSubject.split(/[,\s]+/).filter((s) => s.trim())
+      : []
+    const base = {
+      dTag: articleDTag.trim() || undefined,
+      title: articleTitle.trim() || undefined,
+      summary: articleSummary.trim() || undefined,
+      topics: topics.length > 0 ? topics : undefined
+    }
+    if (isNostrSpecification) {
+      const affectedKinds = parseNostrSpecAffectedKinds(nostrSpecAffectedKindRows)
+      return {
+        ...base,
+        affectedKinds: affectedKinds.length > 0 ? affectedKinds : undefined
+      }
+    }
+    return { ...base, image: articleImage.trim() || undefined }
+  }, [
+    isLongFormArticle,
+    isWikiArticle,
+    isNostrSpecification,
+    isPublicationContent,
+    articleDTag,
+    articleTitle,
+    articleSummary,
+    articleImage,
+    articleSubject,
+    nostrSpecAffectedKindRows
+  ])
+
+  const mergedExtraPreviewTags = useMemo((): string[][] | undefined => {
+    const contextual =
+      isDiscussionThread && !parentEvent
+        ? discussionPreviewExtraTags ?? []
+        : rssReplyExtraPreviewTags ?? []
+    return contextual.length ? contextual : undefined
+  }, [isDiscussionThread, parentEvent, discussionPreviewExtraTags, rssReplyExtraPreviewTags])
+
   // Shared function to create draft event - used by both preview and posting
   const createDraftEvent = useCallback(async (cleanedText: string): Promise<any> => {
     const uploadImetaTagsOpt = mediaImetaTags.length > 0 ? mediaImetaTags : undefined
@@ -896,7 +947,7 @@ export default function PostContent({
 
     // Articles
     const isArticleDraft =
-      isLongFormArticle || isWikiArticle || isWikiArticleMarkdown || isPublicationContent
+      isLongFormArticle || isWikiArticle || isNostrSpecification || isPublicationContent
     let effectiveArticleDTag = ''
     if (isArticleDraft) {
       const trimmedDTag = articleDTag.trim()
@@ -907,8 +958,8 @@ export default function PostContent({
           ? 'longform-article'
           : isWikiArticle
             ? 'wiki-article'
-            : isWikiArticleMarkdown
-              ? 'wiki-markdown'
+            : isNostrSpecification
+              ? 'nostr-specification'
               : 'publication-content'
         const prev = articleDTagFallbackRef.current
         if (!prev || prev.slug !== slug) {
@@ -949,12 +1000,13 @@ export default function PostContent({
         addQuietTag,
         quietDays
       })
-    } else if (isWikiArticleMarkdown) {
-      return await createWikiArticleMarkdownDraftEvent(cleanedText, mentions, {
+    } else if (isNostrSpecification) {
+      const affectedKinds = parseNostrSpecAffectedKinds(nostrSpecAffectedKindRows)
+      return await createNostrSpecificationDraftEvent(cleanedText, mentions, {
         dTag: effectiveArticleDTag,
         title: articleTitle.trim() || undefined,
         summary: articleSummary.trim() || undefined,
-        image: articleImage.trim() || undefined,
+        affectedKinds: affectedKinds.length > 0 ? affectedKinds : undefined,
         topics: topics.length > 0 ? topics : undefined,
         addClientTag,
         isNsfw,
@@ -1125,7 +1177,7 @@ export default function PostContent({
     threadReadingSubject,
     isLongFormArticle,
     isWikiArticle,
-    isWikiArticleMarkdown,
+    isNostrSpecification,
     isPublicationContent,
     isCitationInternal,
     isCitationExternal,
@@ -1143,62 +1195,12 @@ export default function PostContent({
     articleTitle,
     articleImage,
     articleSubject,
+    nostrSpecAffectedKindRows,
     articleSummary,
     pubkey,
     t
   ])
 
-  const applyLabTagOverrideToDraft = useCallback((draft: TDraftEvent): TDraftEvent => {
-    if (!labTagOverrideRef.current) return draft
-    const tags = labTagOverrideRef.current.map((r) => [...r])
-    labTagOverrideRef.current = null
-    mergeUploadImetaTagsInto(tags, collectUploadImetaTagsForContentUrls(draft.content))
-    return { ...draft, tags }
-  }, [])
-
-  // Function to generate draft event JSON for preview
-  const getDraftEventJson = useCallback(async (): Promise<string> => {
-    if (!pubkey) {
-      return JSON.stringify({ error: 'Not logged in' }, null, 2)
-    }
-
-    try {
-      // Clean tracking parameters from URLs in the post content
-      const body = textareaRef.current?.getText() ?? text
-      const cleanedText = rewritePlainTextHttpUrls(body)
-
-      let draftEvent = await createDraftEvent(cleanedText)
-      draftEvent = applyLabTagOverrideToDraft(draftEvent)
-      return JSON.stringify(applyImwaldAttributionTags(draftEvent, { addClientTag }), null, 2)
-    } catch (error) {
-      return JSON.stringify({ error: error instanceof Error ? error.message : String(error) }, null, 2)
-    }
-  }, [text, pubkey, isDiscussionThread, createDraftEvent, addClientTag, applyLabTagOverrideToDraft])
-
-  const applyComposerDraftJson = useCallback(
-    (raw: string) => {
-      const parsed = parseLabSlice(raw.trim())
-      if (!parsed.ok) {
-        toast.error(parsed.error)
-        return false
-      }
-      if (parsed.value.kind !== getDeterminedKind) {
-        toast.error(
-          t('composerJsonKindMismatch', {
-            expected: String(getDeterminedKind),
-            got: String(parsed.value.kind)
-          })
-        )
-        return false
-      }
-      labTagOverrideRef.current = parsed.value.tags.map((r) => [...r])
-      textareaRef.current?.setDocumentFromPlainText(parsed.value.content)
-      toast.success(t('composerJsonApplySuccess'))
-      return true
-    },
-    [getDeterminedKind, t]
-  )
-
   const advancedLabPersistenceKey = useMemo(
     () =>
       postEditorCache.generateCacheKey({
@@ -1209,6 +1211,26 @@ export default function PostContent({
     [getDeterminedKind, defaultContent, parentEvent]
   )
 
+  const applyPersistedLabTagsToDraft = useCallback(
+    (draft: TDraftEvent, labKey: string): TDraftEvent => {
+      const saved = postEditorCache.getAdvancedLabDraft(labKey)
+      if (!saved || saved.kind !== draft.kind) return draft
+      const tags = saved.tags.map((r) => [...r])
+      mergeUploadImetaTagsInto(tags, collectUploadImetaTagsForContentUrls(draft.content))
+      return { ...draft, tags }
+    },
+    []
+  )
+
+  const finalizeDraftEvent = useCallback(
+    async (cleanedText: string): Promise<TDraftEvent> => {
+      let draft = await createDraftEvent(cleanedText)
+      draft = applyPersistedLabTagsToDraft(draft, advancedLabPersistenceKey)
+      return draft
+    },
+    [createDraftEvent, applyPersistedLabTagsToDraft, advancedLabPersistenceKey]
+  )
+
   const handleOpenAdvancedLab = useCallback(async () => {
     await checkLogin(async () => {
       if (!pubkey) {
@@ -1220,21 +1242,20 @@ export default function PostContent({
         await yieldForPaintBeforeHeavyWork()
         const body = textareaRef.current?.getText() ?? text
         const cleanedText = rewritePlainTextHttpUrls(body)
-        let d = await createDraftEvent(cleanedText)
-        d = applyLabTagOverrideToDraft(d)
+        let d = await finalizeDraftEvent(cleanedText)
         const labKey = advancedLabPersistenceKey
         const saved = postEditorCache.getAdvancedLabDraft(labKey)
         if (saved && saved.kind === d.kind) {
           setAdvancedLabInitial({
             kind: saved.kind,
             content: saved.content,
-            tags: saved.tags.map((row: string[]) => [...row])
+            tags: stripImwaldAttributionTags(saved.tags).map((row: string[]) => [...row])
           })
         } else {
           setAdvancedLabInitial({
             kind: d.kind,
             content: d.content,
-            tags: (d.tags ?? []).map((row: string[]) => [...row])
+            tags: stripImwaldAttributionTags(d.tags ?? []).map((row: string[]) => [...row])
           })
         }
         setAdvancedLabOpen(true)
@@ -1246,8 +1267,7 @@ export default function PostContent({
     checkLogin,
     pubkey,
     text,
-    createDraftEvent,
-    applyLabTagOverrideToDraft,
+    finalizeDraftEvent,
     advancedLabPersistenceKey,
     t
   ])
@@ -1322,8 +1342,7 @@ export default function PostContent({
         }
 
         // Create draft event using shared function
-        draftEvent = await createDraftEvent(cleanedText)
-        draftEvent = applyLabTagOverrideToDraft(draftEvent)
+        draftEvent = await finalizeDraftEvent(cleanedText)
 
         const publishSuccessMessage = parentEvent
           ? t('Reply published')
@@ -1463,7 +1482,7 @@ export default function PostContent({
       setIsHighlight(false)
       setIsLongFormArticle(false)
       setIsWikiArticle(false)
-      setIsWikiArticleMarkdown(false)
+      setIsNostrSpecification(false)
       setIsPublicationContent(false)
       setIsCitationInternal(false)
       setIsCitationExternal(false)
@@ -1487,7 +1506,7 @@ export default function PostContent({
       setIsHighlight(false)
       setIsLongFormArticle(false)
       setIsWikiArticle(false)
-      setIsWikiArticleMarkdown(false)
+      setIsNostrSpecification(false)
       setIsPublicationContent(false)
       setIsCitationInternal(false)
       setIsCitationExternal(false)
@@ -1508,7 +1527,7 @@ export default function PostContent({
     setIsHighlight(false)
     setIsLongFormArticle(false)
     setIsWikiArticle(false)
-    setIsWikiArticleMarkdown(false)
+    setIsNostrSpecification(false)
     setIsPublicationContent(false)
     setIsCitationInternal(false)
     setIsCitationExternal(false)
@@ -1598,7 +1617,7 @@ export default function PostContent({
     setIsHighlight(false)
     setIsLongFormArticle(false)
     setIsWikiArticle(false)
-    setIsWikiArticleMarkdown(false)
+    setIsNostrSpecification(false)
     setIsPublicationContent(false)
     setIsCitationInternal(false)
     setIsCitationExternal(false)
@@ -1631,7 +1650,7 @@ export default function PostContent({
       !isHighlight &&
       !isLongFormArticle &&
       !isWikiArticle &&
-      !isWikiArticleMarkdown &&
+      !isNostrSpecification &&
       !isPublicationContent &&
       !isCitationInternal &&
       !isCitationExternal &&
@@ -1646,7 +1665,7 @@ export default function PostContent({
       isHighlight,
       isLongFormArticle,
       isWikiArticle,
-      isWikiArticleMarkdown,
+      isNostrSpecification,
       isPublicationContent,
       isCitationInternal,
       isCitationExternal,
@@ -1667,7 +1686,7 @@ export default function PostContent({
       setIsPublicMessage(false)
       setIsLongFormArticle(false)
       setIsWikiArticle(false)
-      setIsWikiArticleMarkdown(false)
+      setIsNostrSpecification(false)
       setIsPublicationContent(false)
       setIsCitationInternal(false)
       setIsCitationExternal(false)
@@ -2107,7 +2126,7 @@ export default function PostContent({
     setIsHighlight(false)
     setIsLongFormArticle(false)
     setIsWikiArticle(false)
-    setIsWikiArticleMarkdown(false)
+    setIsNostrSpecification(false)
     setIsPublicationContent(false)
     setIsCitationInternal(false)
     setIsCitationExternal(false)
@@ -2138,13 +2157,19 @@ export default function PostContent({
     ]
   )
 
-  const handleArticleToggle = (type: 'longform' | 'wiki' | 'wiki-markdown' | 'publication') => {
+  const handleArticleToggle = (type: 'longform' | 'wiki' | 'nostr-specification' | 'publication') => {
     if (parentEvent) return // Can't create articles as replies
     
     setIsLongFormArticle(type === 'longform')
     setIsWikiArticle(type === 'wiki')
-    setIsWikiArticleMarkdown(type === 'wiki-markdown')
+    setIsNostrSpecification(type === 'nostr-specification')
     setIsPublicationContent(type === 'publication')
+    if (type === 'nostr-specification') {
+      setArticleImage('')
+      setNostrSpecAffectedKindRows((rows) =>
+        rows.length > 0 ? rows : [newNostrSpecAffectedKindRow()]
+      )
+    }
     
     // Clear other types
     setIsPoll(false)
@@ -2168,7 +2193,7 @@ export default function PostContent({
     }
     
     // Clear article fields when toggling off
-    if (type === 'longform' || type === 'wiki' || type === 'wiki-markdown' || type === 'publication') {
+    if (type === 'longform' || type === 'wiki' || type === 'nostr-specification' || type === 'publication') {
       // Keep fields when switching between article types
     } else {
       setArticleTitle('')
@@ -2194,7 +2219,7 @@ export default function PostContent({
     setMediaNoteKind(null)
     setIsLongFormArticle(false)
     setIsWikiArticle(false)
-    setIsWikiArticleMarkdown(false)
+    setIsNostrSpecification(false)
     setIsPublicationContent(false)
     setIsDiscussionThread(false)
     
@@ -2224,7 +2249,7 @@ export default function PostContent({
     setIsHighlight(false)
     setIsLongFormArticle(false)
     setIsWikiArticle(false)
-    setIsWikiArticleMarkdown(false)
+    setIsNostrSpecification(false)
     setIsPublicationContent(false)
     setIsCitationInternal(false)
     setIsCitationExternal(false)
@@ -2265,6 +2290,7 @@ export default function PostContent({
     setCitationVersion('')
     setCitationSummary('')
     setCitationPromptLlm('')
+    setNostrSpecAffectedKindRows([newNostrSpecAffectedKindRow()])
     setPollCreateData({
       isMultipleChoice: false,
       options: ['', ''],
@@ -2312,8 +2338,8 @@ export default function PostContent({
             return t('New Long-form Article')
           } else if (determinedKind === ExtendedKind.WIKI_ARTICLE) {
             return t('New Wiki Article')
-          } else if (determinedKind === ExtendedKind.WIKI_ARTICLE_MARKDOWN) {
-            return t('New Wiki Article (Markdown)')
+          } else if (determinedKind === ExtendedKind.NOSTR_SPECIFICATION) {
+            return t('New Nostr Specification')
           } else if (determinedKind === ExtendedKind.PUBLICATION_CONTENT) {
             return t('Take a note')
           } else if (determinedKind === ExtendedKind.CITATION_INTERNAL) {
@@ -2500,7 +2526,7 @@ export default function PostContent({
       )}
       
       {/* Article metadata fields */}
-      {(isLongFormArticle || isWikiArticle || isWikiArticleMarkdown || isPublicationContent) && (
+      {(isLongFormArticle || isWikiArticle || isNostrSpecification || isPublicationContent) && (
         <div className="space-y-3 p-4 border rounded-lg bg-muted/30">
           <div className="space-y-2">
             <Label htmlFor="article-dtag" className="text-sm font-medium">
@@ -2527,20 +2553,73 @@ export default function PostContent({
             />
           </div>
           
-          <div className="space-y-2">
-            <Label htmlFor="article-image" className="text-sm font-medium">
-              {t('Image URL')}
-            </Label>
-            <Input
-              id="article-image"
-              value={articleImage}
-              onChange={(e) => setArticleImage(e.target.value)}
-              placeholder={t('https://example.com/image.jpg')}
-            />
-            <p className="text-xs text-muted-foreground">
-              {t('URL of the article cover image (optional)')}
-            </p>
-          </div>
+          {!isNostrSpecification && (
+            <div className="space-y-2">
+              <Label htmlFor="article-image" className="text-sm font-medium">
+                {t('Image URL')}
+              </Label>
+              <Input
+                id="article-image"
+                value={articleImage}
+                onChange={(e) => setArticleImage(e.target.value)}
+                placeholder={t('https://example.com/image.jpg')}
+              />
+              <p className="text-xs text-muted-foreground">
+                {t('URL of the article cover image (optional)')}
+              </p>
+            </div>
+          )}
+
+          {isNostrSpecification && (
+            <div className="space-y-2">
+              <Label className="text-sm font-medium">{t('nostrSpecAffectedKindLabel')}</Label>
+              <p className="text-xs text-muted-foreground">{t('nostrSpecAffectedKindHint')}</p>
+              <div className="space-y-2">
+                {nostrSpecAffectedKindRows.map((row, index) => (
+                  <div key={row.id} className="flex gap-2 items-center">
+                    <Input
+                      id={index === 0 ? 'nostr-spec-k-0' : undefined}
+                      value={row.value}
+                      inputMode="numeric"
+                      className="font-mono text-sm"
+                      placeholder={t('nostrSpecAffectedKindPlaceholder')}
+                      onChange={(e) => {
+                        const v = e.target.value
+                        setNostrSpecAffectedKindRows((rows) =>
+                          rows.map((r) => (r.id === row.id ? { ...r, value: v } : r))
+                        )
+                      }}
+                    />
+                    <Button
+                      type="button"
+                      variant="ghost"
+                      size="icon"
+                      className="shrink-0 text-muted-foreground hover:text-destructive"
+                      disabled={nostrSpecAffectedKindRows.length <= 1}
+                      onClick={() =>
+                        setNostrSpecAffectedKindRows((rows) => rows.filter((r) => r.id !== row.id))
+                      }
+                      aria-label={t('Remove')}
+                    >
+                      <Trash2 className="h-4 w-4" />
+                    </Button>
+                  </div>
+                ))}
+              </div>
+              <Button
+                type="button"
+                variant="outline"
+                size="sm"
+                className="gap-1"
+                onClick={() =>
+                  setNostrSpecAffectedKindRows((rows) => [...rows, newNostrSpecAffectedKindRow()])
+                }
+              >
+                <Plus className="h-3.5 w-3.5" />
+                {t('nostrSpecAffectedKindAdd')}
+              </Button>
+            </div>
+          )}
           
           <div className="space-y-2">
             <Label htmlFor="article-subject" className="text-sm font-medium">
@@ -2948,12 +3027,8 @@ export default function PostContent({
           kind={getDeterminedKind}
           highlightData={isHighlight ? highlightData : undefined}
           pollCreateData={isPoll ? pollCreateData : undefined}
-          getDraftEventJson={getDraftEventJson}
-          expectedDraftKind={pubkey ? getDeterminedKind : undefined}
-          onApplyComposerDraftJson={pubkey ? applyComposerDraftJson : undefined}
-          extraPreviewTags={
-            isDiscussionThread && !parentEvent ? discussionPreviewExtraTags : rssReplyExtraPreviewTags
-          }
+          extraPreviewTags={mergedExtraPreviewTags}
+          articleMetadata={articlePreviewMetadata}
           addClientTag={addClientTag}
           mediaImetaTags={mediaImetaTags}
           mediaUrl={mediaUrl}
@@ -2961,7 +3036,7 @@ export default function PostContent({
               const ActiveIcon =
                 isLongFormArticle ? FileText :
                 isWikiArticle ? FileText :
-                isWikiArticleMarkdown ? FileText :
+                isNostrSpecification ? FileText :
                 isPublicationContent ? Book :
                 isCitationInternal || isCitationExternal || isCitationHardcopy || isCitationPrompt ? Quote :
                 isHighlight ? Highlighter :
@@ -2973,7 +3048,7 @@ export default function PostContent({
               const activeLabel =
                 isLongFormArticle ? t('Long-form Article') :
                 isWikiArticle ? t('Wiki Article (AsciiDoc)') :
-                isWikiArticleMarkdown ? t('Wiki Article (Markdown)') :
+                isNostrSpecification ? t('Nostr Specification') :
                 isPublicationContent ? t('Publication Note') :
                 isCitationInternal ? t('Internal Citation') :
                 isCitationExternal ? t('External Citation') :
@@ -3097,13 +3172,15 @@ export default function PostContent({
                       </div>
                       {isWikiArticle && <Check className="h-4 w-4 shrink-0 text-primary" />}
                     </DropdownMenuItem>
-                    <DropdownMenuItem onClick={() => handleArticleToggle('wiki-markdown')} className="gap-3 py-2 cursor-pointer">
+                    <DropdownMenuItem onClick={() => handleArticleToggle('nostr-specification')} className="gap-3 py-2 cursor-pointer">
                       <FileText className="h-4 w-4 shrink-0 text-muted-foreground" />
                       <div className="flex flex-col flex-1 min-w-0">
-                        <span className="font-medium leading-none">{t('Wiki Article (Markdown)')}</span>
-                        <span className="text-xs text-muted-foreground mt-0.5">{t('Markdown wiki contribution')}</span>
+                        <span className="font-medium leading-none">{t('Nostr Specification')}</span>
+                        <span className="text-xs text-muted-foreground mt-0.5">
+                          {t('nostrSpecificationContribution')}
+                        </span>
                       </div>
-                      {isWikiArticleMarkdown && <Check className="h-4 w-4 shrink-0 text-primary" />}
+                      {isNostrSpecification && <Check className="h-4 w-4 shrink-0 text-primary" />}
                     </DropdownMenuItem>
                     {hasPrivateRelaysAvailable && (
                       <DropdownMenuItem onClick={() => handleArticleToggle('publication')} className="gap-3 py-2 cursor-pointer">
@@ -3570,7 +3647,12 @@ export default function PostContent({
           />
         }
         onApply={(payload) => {
-          labTagOverrideRef.current = payload.tags.map((r) => [...r])
+          postEditorCache.setAdvancedLabDraft(advancedLabPersistenceKey, {
+            kind: payload.kind,
+            content: payload.content,
+            tags: payload.tags.map((r) => [...r])
+          })
+          postEditorCache.flushPersist()
           textareaRef.current?.setDocumentFromPlainText(payload.content)
         }}
       />
diff --git a/src/components/PostEditor/PostTextarea/Preview.tsx b/src/components/PostEditor/PostTextarea/Preview.tsx
index 3a4a95fc..d82622ef 100644
--- a/src/components/PostEditor/PostTextarea/Preview.tsx
+++ b/src/components/PostEditor/PostTextarea/Preview.tsx
@@ -47,6 +47,8 @@ export default function Preview({
     image?: string
     dTag?: string
     topics?: string[]
+    /** Kind 30817: each number becomes a `k` tag. */
+    affectedKinds?: number[]
   }
   /** Merged into the fake event (e.g. kind 11 discussion title / topic tags). */
   extraPreviewTags?: string[][]
@@ -138,7 +140,7 @@ export default function Preview({
       tags.push(...mediaImetaTags)
     }
     // Add article metadata tags for article kinds
-    if (articleMetadata && (kind === kinds.LongFormArticle || kind === ExtendedKind.WIKI_ARTICLE || kind === ExtendedKind.WIKI_ARTICLE_MARKDOWN || kind === ExtendedKind.PUBLICATION_CONTENT)) {
+    if (articleMetadata && (kind === kinds.LongFormArticle || kind === ExtendedKind.WIKI_ARTICLE || kind === ExtendedKind.NOSTR_SPECIFICATION || kind === ExtendedKind.PUBLICATION_CONTENT)) {
       if (articleMetadata.dTag) {
         tags.push(['d', articleMetadata.dTag])
       }
@@ -148,9 +150,17 @@ export default function Preview({
       if (articleMetadata.summary) {
         tags.push(['summary', articleMetadata.summary])
       }
-      if (articleMetadata.image) {
+      if (kind !== ExtendedKind.NOSTR_SPECIFICATION && articleMetadata.image) {
         tags.push(['image', articleMetadata.image])
       }
+      if (
+        kind === ExtendedKind.NOSTR_SPECIFICATION &&
+        articleMetadata.affectedKinds?.length
+      ) {
+        for (const k of articleMetadata.affectedKinds) {
+          tags.push(['k', String(k)])
+        }
+      }
       if (articleMetadata.topics && articleMetadata.topics.length > 0) {
         const normalizedTopics = articleMetadata.topics
           .map(topic => normalizeTopic(topic.trim()))
@@ -249,8 +259,8 @@ export default function Preview({
     )
   }
 
-  // For WikiArticleMarkdown, use MarkdownArticle
-  if (kind === ExtendedKind.WIKI_ARTICLE_MARKDOWN) {
+  // Nostr Specification (30817) uses MarkdownArticle
+  if (kind === ExtendedKind.NOSTR_SPECIFICATION) {
     return withClientBadge(
       <Card className={cn('p-3', className, selectableClass)}>
         <MarkdownArticle event={fakeEvent} hideMetadata={true} lazyMedia={false} />
diff --git a/src/components/PostEditor/PostTextarea/index.tsx b/src/components/PostEditor/PostTextarea/index.tsx
index bdad13ef..07b74f65 100644
--- a/src/components/PostEditor/PostTextarea/index.tsx
+++ b/src/components/PostEditor/PostTextarea/index.tsx
@@ -1,4 +1,3 @@
-import { Button } from '@/components/ui/button'
 import { Tabs, TabsContent, TabsList, TabsTrigger } from '@/components/ui/tabs'
 import { parseEditorJsonToText, plainTextToTipTapDoc } from '@/lib/tiptap'
 import { cn } from '@/lib/utils'
@@ -18,7 +17,6 @@ import {
   Dispatch,
   forwardRef,
   SetStateAction,
-  useEffect,
   useImperativeHandle,
   useMemo,
   useRef,
@@ -33,10 +31,6 @@ import mentionSuggestion from './Mention/suggestion'
 import Preview from './Preview'
 import { HighlightData } from '../HighlightEditor'
 import { getKindDescription } from '@/lib/kind-description'
-import { parseLabSlice } from '@/lib/advanced-event-lab-slice'
-
-/** Draft JSON uses relay fetches (e.g. thread root); cap wait so the Json tab cannot spin forever. */
-const DRAFT_JSON_PREVIEW_TIMEOUT_MS = 25_000
 
 export type TPostTextareaHandle = {
   appendText: (text: string, addNewline?: boolean) => void
@@ -74,10 +68,6 @@ const PostTextarea = forwardRef<
     highlightData?: HighlightData
     pollCreateData?: import('@/types').TPollCreateData
     headerActions?: React.ReactNode
-    getDraftEventJson?: () => Promise<string>
-    /** When set with `onApplyComposerDraftJson`, the Json tab becomes editable with Apply. */
-    expectedDraftKind?: number
-    onApplyComposerDraftJson?: (rawJson: string) => boolean
     mediaImetaTags?: string[][]
     mediaUrl?: string
     articleMetadata?: {
@@ -86,6 +76,7 @@ const PostTextarea = forwardRef<
       image?: string
       dTag?: string
       topics?: string[]
+      affectedKinds?: number[]
     }
     extraPreviewTags?: string[][]
     addClientTag?: boolean
@@ -109,9 +100,6 @@ const PostTextarea = forwardRef<
       highlightData,
       pollCreateData,
       headerActions,
-      getDraftEventJson,
-      expectedDraftKind,
-      onApplyComposerDraftJson,
       mediaImetaTags,
       mediaUrl,
       articleMetadata,
@@ -128,72 +116,10 @@ const PostTextarea = forwardRef<
     const onUploadCompressProgressRef = useRef(onUploadCompressProgress)
     onUploadCompressProgressRef.current = onUploadCompressProgress
     const [activeTab, setActiveTab] = useState('preview')
-    const [draftEventJson, setDraftEventJson] = useState<string>('')
-    const [isLoadingJson, setIsLoadingJson] = useState(false)
-    const [jsonFieldValue, setJsonFieldValue] = useState('')
-    const [jsonReloadToken, setJsonReloadToken] = useState(0)
-    /** Bumps when preview tab is shown or a new JSON fetch starts; completions only apply if seq still matches. */
-    const jsonPanelFetchSeq = useRef(0)
     const editorRef = useRef<Editor | null>(null)
 
     const kindDescription = useMemo(() => getKindDescription(kind), [kind])
 
-    useEffect(() => {
-      if (activeTab === 'preview') {
-        jsonPanelFetchSeq.current += 1
-        setDraftEventJson('')
-        setIsLoadingJson(false)
-        return
-      }
-
-      if (activeTab !== 'json' || !getDraftEventJson) {
-        return
-      }
-
-      const seq = ++jsonPanelFetchSeq.current
-      setIsLoadingJson(true)
-
-      let timeoutId: number | undefined = window.setTimeout(() => {
-        timeoutId = undefined
-        if (seq !== jsonPanelFetchSeq.current) return
-        setDraftEventJson(
-          `Error generating JSON: Timed out after ${Math.round(DRAFT_JSON_PREVIEW_TIMEOUT_MS / 1000)}s (relays or network slow)`
-        )
-        setIsLoadingJson(false)
-      }, DRAFT_JSON_PREVIEW_TIMEOUT_MS)
-
-      const clearJsonTimeout = () => {
-        if (timeoutId !== undefined) {
-          clearTimeout(timeoutId)
-          timeoutId = undefined
-        }
-      }
-
-      void Promise.resolve(getDraftEventJson())
-        .then((json) => {
-          clearJsonTimeout()
-          if (seq !== jsonPanelFetchSeq.current) return
-          setDraftEventJson(json)
-          setIsLoadingJson(false)
-        })
-        .catch((error: unknown) => {
-          clearJsonTimeout()
-          if (seq !== jsonPanelFetchSeq.current) return
-          const msg = error instanceof Error ? error.message : String(error)
-          setDraftEventJson(`Error generating JSON: ${msg}`)
-          setIsLoadingJson(false)
-        })
-
-      // `text` is included so JSON refreshes when the parent memoizes `getDraftEventJson` too narrowly;
-      // `kind` catches compose-mode switches even if callback identity were ever stable across them.
-      // Use `jsonPanelFetchSeq` instead of an effect cleanup `cancelled` flag so a superseded fetch
-      // does not skip `setIsLoadingJson(false)` and leave the Json tab stuck on "Loading...".
-    }, [activeTab, getDraftEventJson, kind, text, jsonReloadToken])
-
-    useEffect(() => {
-      if (activeTab !== 'json' || isLoadingJson) return
-      setJsonFieldValue(draftEventJson)
-    }, [activeTab, isLoadingJson, draftEventJson])
     const editor = useEditor({
       // TipTap + Radix Dialog/Tabs: defer init so React 18 does not warn about flushSync in a lifecycle.
       immediatelyRender: false,
@@ -351,9 +277,6 @@ const PostTextarea = forwardRef<
             <TabsTrigger value="preview" title={t('Preview')}>
               {t('Preview')}
             </TabsTrigger>
-            <TabsTrigger value="json" title={t('Json')}>
-              {t('Json')}
-            </TabsTrigger>
           </TabsList>
           {headerActions && (
             <div className="flex gap-1 items-center flex-wrap">
@@ -361,7 +284,6 @@ const PostTextarea = forwardRef<
             </div>
           )}
         </div>
-        {/* Editor always visible (no Edit tab). Keep mounted; only Preview/Json swap panels below. */}
         <EditorContent className="tiptap" editor={editor} />
         <TabsContent value="preview">
           <div className="space-y-2">
@@ -382,78 +304,6 @@ const PostTextarea = forwardRef<
             />
           </div>
         </TabsContent>
-        <TabsContent value="json" className="mt-2 flex flex-col gap-2 min-h-0">
-          {isLoadingJson ? (
-            <div className="text-muted-foreground text-sm">{t('Loading...')}</div>
-          ) : expectedDraftKind !== undefined && onApplyComposerDraftJson ? (
-            <>
-              <p className="text-xs text-muted-foreground">{t('Composer JSON tab hint')}</p>
-              <textarea
-                className="w-full min-h-[min(55dvh,32rem)] max-h-[min(70vh,40rem)] resize-y rounded-lg border bg-background p-3 font-mono text-xs leading-relaxed text-foreground shadow-sm focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring"
-                spellCheck={false}
-                value={jsonFieldValue}
-                onChange={(e) => setJsonFieldValue(e.target.value)}
-                aria-label={t('Json')}
-              />
-              <div className="flex flex-wrap items-center gap-2">
-                <Button
-                  type="button"
-                  size="sm"
-                  onClick={() => {
-                    const parsed = parseLabSlice(jsonFieldValue.trim())
-                    if (!parsed.ok) {
-                      return
-                    }
-                    if (parsed.value.kind !== expectedDraftKind) {
-                      return
-                    }
-                    const ok = onApplyComposerDraftJson(jsonFieldValue)
-                    if (ok) setJsonReloadToken((n) => n + 1)
-                  }}
-                  disabled={
-                    !jsonFieldValue.trim() ||
-                    (() => {
-                      const p = parseLabSlice(jsonFieldValue.trim())
-                      if (!p.ok) return true
-                      if (p.value.kind !== expectedDraftKind) return true
-                      return false
-                    })()
-                  }
-                >
-                  {t('Composer JSON apply')}
-                </Button>
-                {(() => {
-                  const p = parseLabSlice(jsonFieldValue.trim())
-                  if (!jsonFieldValue.trim()) return null
-                  if (!p.ok) {
-                    return (
-                      <span className="text-xs text-destructive" role="alert">
-                        {p.error}
-                      </span>
-                    )
-                  }
-                  if (p.value.kind !== expectedDraftKind) {
-                    return (
-                      <span className="text-xs text-destructive" role="alert">
-                        {t('composerJsonKindMismatch', {
-                          expected: String(expectedDraftKind),
-                          got: String(p.value.kind)
-                        })}
-                      </span>
-                    )
-                  }
-                  return null
-                })()}
-              </div>
-            </>
-          ) : (
-            <div className="border rounded-lg p-3 bg-muted/40 max-h-[min(70vh,40rem)] overflow-auto select-text">
-              <pre className="text-xs whitespace-pre-wrap break-words font-mono select-text">
-                {draftEventJson || t('No JSON available')}
-              </pre>
-            </div>
-          )}
-        </TabsContent>
       </Tabs>
     )
   }
diff --git a/src/components/ReplyNoteList/index.tsx b/src/components/ReplyNoteList/index.tsx
index 9ecdae54..f260ab2b 100644
--- a/src/components/ReplyNoteList/index.tsx
+++ b/src/components/ReplyNoteList/index.tsx
@@ -309,7 +309,7 @@ function threadBacklinkRelationLabel(item: NEvent, t: TFunction): string {
   if (
     item.kind === kinds.LongFormArticle ||
     item.kind === ExtendedKind.WIKI_ARTICLE ||
-    item.kind === ExtendedKind.WIKI_ARTICLE_MARKDOWN ||
+    item.kind === ExtendedKind.NOSTR_SPECIFICATION ||
     item.kind === ExtendedKind.PUBLICATION_CONTENT
   ) {
     return t('cited in article')
diff --git a/src/components/WebPreview/index.tsx b/src/components/WebPreview/index.tsx
index 0761dfea..068a996a 100644
--- a/src/components/WebPreview/index.tsx
+++ b/src/components/WebPreview/index.tsx
@@ -54,8 +54,8 @@ function getEventTypeName(kind: number): string {
       return 'Publication Content'
     case ExtendedKind.WIKI_ARTICLE:
       return 'Wiki Article'
-    case ExtendedKind.WIKI_ARTICLE_MARKDOWN:
-      return 'Wiki Article'
+    case ExtendedKind.NOSTR_SPECIFICATION:
+      return 'Nostr Specification'
     case ExtendedKind.DISCUSSION:
       return 'Discussion'
     default:
@@ -509,7 +509,7 @@ export default function WebPreview({ url, className }: { url: string; className?
 
       // Determine which article component to use based on event kind
       const isAsciidocEvent = fetchedEvent && (fetchedEvent.kind === ExtendedKind.WIKI_ARTICLE || fetchedEvent.kind === ExtendedKind.PUBLICATION_CONTENT)
-      const isMarkdownEvent = fetchedEvent && (fetchedEvent.kind === ExtendedKind.WIKI_ARTICLE_MARKDOWN)
+      const isMarkdownEvent = fetchedEvent && (fetchedEvent.kind === ExtendedKind.NOSTR_SPECIFICATION)
       // Only show content preview if summary exists (exclude LongFormArticle - they should show summary instead)
       const showContentPreview = eventSummary && previewEvent && previewEvent.content && (isAsciidocEvent || isMarkdownEvent)
       
diff --git a/src/constants.ts b/src/constants.ts
index 20daffdc..bf32eaea 100644
--- a/src/constants.ts
+++ b/src/constants.ts
@@ -547,7 +547,8 @@ export const ExtendedKind = {
   ZAP_RECEIPT: 9735,
   PUBLICATION: 30040,
   WIKI_ARTICLE: 30818,
-  WIKI_ARTICLE_MARKDOWN: 30817,
+  /** NIP/spec document (Markdown) for relay publication instead of GitHub; kind 30817. */
+  NOSTR_SPECIFICATION: 30817,
   PUBLICATION_CONTENT: 30041,
   CITATION_INTERNAL: 30,
   CITATION_EXTERNAL: 31,
@@ -702,7 +703,7 @@ export const THREAD_BACKLINK_STREAM_KINDS: readonly number[] = [
   kinds.Highlights,
   kinds.LongFormArticle,
   ExtendedKind.WIKI_ARTICLE,
-  ExtendedKind.WIKI_ARTICLE_MARKDOWN,
+  ExtendedKind.NOSTR_SPECIFICATION,
   ExtendedKind.PUBLICATION_CONTENT,
   kinds.Label,
   kinds.Report,
@@ -803,7 +804,7 @@ export function relayFilterIncludesSocialKindBlockedKind(filter: Filter): boolea
 const DOCUMENT_RELAY_KINDS: readonly number[] = [
   kinds.LongFormArticle, // 30023
   ExtendedKind.WIKI_ARTICLE, // 30818
-  ExtendedKind.WIKI_ARTICLE_MARKDOWN, // 30817
+  ExtendedKind.NOSTR_SPECIFICATION, // 30817
   ExtendedKind.PUBLICATION_CONTENT, // 30041
   ExtendedKind.PUBLICATION // 30040
 ]
@@ -821,7 +822,7 @@ export function isDocumentRelayKind(kind: number): boolean {
  */
 export const NIP_SEARCH_DOCUMENT_KINDS: readonly number[] = [
   kinds.LongFormArticle,
-  ExtendedKind.WIKI_ARTICLE_MARKDOWN,
+  ExtendedKind.NOSTR_SPECIFICATION,
   ExtendedKind.WIKI_ARTICLE,
   ExtendedKind.PUBLICATION,
   ExtendedKind.PUBLICATION_CONTENT
@@ -865,7 +866,7 @@ export const READ_ALOUD_KINDS: readonly number[] = [
   kinds.LongFormArticle,
   ExtendedKind.PUBLICATION,
   ExtendedKind.PUBLICATION_CONTENT,
-  ExtendedKind.WIKI_ARTICLE_MARKDOWN,
+  ExtendedKind.NOSTR_SPECIFICATION,
   ExtendedKind.WIKI_ARTICLE
 ]
 
@@ -910,7 +911,7 @@ export const SUPPORTED_KINDS = [
   kinds.LiveEvent,
   ExtendedKind.PUBLICATION,
   ExtendedKind.WIKI_ARTICLE,
-  ExtendedKind.WIKI_ARTICLE_MARKDOWN,
+  ExtendedKind.NOSTR_SPECIFICATION,
   // ExtendedKind.PUBLICATION_CONTENT, // Excluded - publication content should only be embedded in publications
   // NIP-89 Application Handlers
   ExtendedKind.APPLICATION_HANDLER_RECOMMENDATION,
@@ -941,7 +942,7 @@ export const PROFILE_PUBLICATIONS_TAB_KINDS: readonly number[] = [
   ExtendedKind.PUBLICATION,
   ExtendedKind.PUBLICATION_CONTENT,
   ExtendedKind.WIKI_ARTICLE,
-  ExtendedKind.WIKI_ARTICLE_MARKDOWN
+  ExtendedKind.NOSTR_SPECIFICATION
 ]
 
 const PROFILE_PUBLICATIONS_TAB_KIND_SET = new Set<number>(PROFILE_PUBLICATIONS_TAB_KINDS)
diff --git a/src/i18n/locales/cs.ts b/src/i18n/locales/cs.ts
index 689c1d78..29ce1e34 100644
--- a/src/i18n/locales/cs.ts
+++ b/src/i18n/locales/cs.ts
@@ -1348,7 +1348,7 @@ export default {
     "Article exported as AsciiDoc": "Article exported as AsciiDoc",
     "Article exported as Markdown": "Article exported as Markdown",
     "Article title (optional)": "Article title (optional)",
-    articleDTagDefaultHint: "Optional. If empty, the d-tag defaults to a type-specific prefix plus a Unix timestamp (seconds), e.g. longform-article-…, wiki-article-…, wiki-markdown-…, publication-content-….",
+    articleDTagDefaultHint: "Optional. If empty, the d-tag defaults to a type-specific prefix plus a Unix timestamp (seconds), e.g. longform-article-…, wiki-article-…, nostr-specification-…, publication-content-….",
     Audio: "Audio",
     Author: "Author",
     "Author is required for reading groups": "Author is required for reading groups",
@@ -1582,7 +1582,7 @@ export default {
     "New Prompt Citation": "New Prompt Citation",
     "New Public Message": "New Public Message",
     "New Wiki Article": "New Wiki Article",
-    "New Wiki Article (Markdown)": "New Wiki Article (Markdown)",
+    "New Nostr Specification": "New Nostr Specification",
     Newest: "Newest",
     "No JSON available": "No JSON available",
     "No RSS feeds found in OPML file": "No RSS feeds found in OPML file",
@@ -1932,7 +1932,7 @@ export default {
     "Vote removed": "Vote removed",
     "Website where LLM was accessed (optional)": "Website where LLM was accessed (optional)",
     "Wiki Article (AsciiDoc)": "Wiki Article (AsciiDoc)",
-    "Wiki Article (Markdown)": "Wiki Article (Markdown)",
+    "Nostr Specification": "Nostr Specification",
     "You can only delete your own notes": "You can only delete your own notes",
     "You must be logged in to create a thread": "You must be logged in to create a thread",
     "You need to add at least one media server in order to upload media files.": "You need to add at least one media server in order to upload media files.",
@@ -2020,7 +2020,7 @@ export default {
     "Invalid event fields": "Invalid event fields",
     "Kind must be an integer from 0 to {{maxSigned}}, or from {{unsignedMin}} to {{unsignedMax}} (unsigned experiment).": "Kind must be an integer from 0 to {{maxSigned}}, or from {{unsignedMin}} to {{unsignedMax}} (unsigned experiment).",
     "Markdown article (NIP-23)": "Markdown article (NIP-23)",
-    "Markdown wiki contribution": "Markdown wiki contribution",
+    nostrSpecificationContribution: "NIP or spec document for relay publication (Markdown)",
     "Media Note": "Media Note",
     "No publication events found for rebroadcast": "No publication events found for rebroadcast",
     "No publication events were accepted by any relay": "No publication events were accepted by any relay",
diff --git a/src/i18n/locales/de.ts b/src/i18n/locales/de.ts
index fecd554d..5e3d5c50 100644
--- a/src/i18n/locales/de.ts
+++ b/src/i18n/locales/de.ts
@@ -1436,7 +1436,7 @@ export default {
     "Article exported as AsciiDoc": "Article exported as AsciiDoc",
     "Article exported as Markdown": "Article exported as Markdown",
     "Article title (optional)": "Article title (optional)",
-    articleDTagDefaultHint: "Optional. Wenn leer: automatischer d-Tag mit typischem Präfix und Unix-Zeitstempel (Sekunden), z. B. longform-article-…, wiki-article-…, wiki-markdown-…, publication-content-….",
+    articleDTagDefaultHint: "Optional. Wenn leer: automatischer d-Tag mit typischem Präfix und Unix-Zeitstempel (Sekunden), z. B. longform-article-…, wiki-article-…, nostr-specification-…, publication-content-….",
     Audio: "Audio",
     Author: "Author",
     "Author is required for reading groups": "Author is required for reading groups",
@@ -1684,7 +1684,7 @@ export default {
     "New Prompt Citation": "New Prompt Citation",
     "New Public Message": "New Public Message",
     "New Wiki Article": "New Wiki Article",
-    "New Wiki Article (Markdown)": "New Wiki Article (Markdown)",
+    "New Nostr Specification": "New Nostr Specification",
     Newest: "Newest",
     "No JSON available": "No JSON available",
     "No RSS feeds found in OPML file": "No RSS feeds found in OPML file",
@@ -2057,7 +2057,7 @@ export default {
     "Vote removed": "Vote removed",
     "Website where LLM was accessed (optional)": "Website where LLM was accessed (optional)",
     "Wiki Article (AsciiDoc)": "Wiki Article (AsciiDoc)",
-    "Wiki Article (Markdown)": "Wiki Article (Markdown)",
+    "Nostr Specification": "Nostr Specification",
     "You can only delete your own notes": "You can only delete your own notes",
     "You must be logged in to create a thread": "You must be logged in to create a thread",
     "You need to add at least one media server in order to upload media files.": "You need to add at least one media server in order to upload media files.",
@@ -2145,7 +2145,7 @@ export default {
     "Invalid event fields": "Invalid event fields",
     "Kind must be an integer from 0 to {{maxSigned}}, or from {{unsignedMin}} to {{unsignedMax}} (unsigned experiment).": "Kind must be an integer from 0 to {{maxSigned}}, or from {{unsignedMin}} to {{unsignedMax}} (unsigned experiment).",
     "Markdown article (NIP-23)": "Markdown article (NIP-23)",
-    "Markdown wiki contribution": "Markdown wiki contribution",
+    nostrSpecificationContribution: "NIP or spec document for relay publication (Markdown)",
     "Media Note": "Media Note",
     "No publication events found for rebroadcast": "No publication events found for rebroadcast",
     "No publication events were accepted by any relay": "No publication events were accepted by any relay",
diff --git a/src/i18n/locales/en.ts b/src/i18n/locales/en.ts
index dbc63f53..fa40a68f 100644
--- a/src/i18n/locales/en.ts
+++ b/src/i18n/locales/en.ts
@@ -1098,6 +1098,19 @@ export default {
     "Composer JSON apply": "Apply JSON",
     composerJsonKindMismatch: "JSON kind {{got}} does not match the composer (expected {{expected}}). Change the note type or fix `kind` in JSON.",
     composerJsonApplySuccess: "Draft updated from JSON.",
+    composerExtraTagsTitle: "Additional tags",
+    composerExtraTagsHint:
+      "Optional Nostr tags appended when you publish (after the tags this composer adds automatically). Use one value per line for multi-value tags.",
+    composerExtraTagsEmpty: "No extra tags yet.",
+    composerExtraTagValues: "Values",
+    composerExtraTagValuesPlaceholder: "One value per line",
+    composerExtraTagsAdd: "Add tag",
+    advancedLabTagsTitle: "Event tags",
+    advancedLabTagsCount: "{{count}} tags",
+    advancedLabTagsHint:
+      "All tags except the client tag. One value per line for multi-value tags. Changes are saved automatically.",
+    advancedLabTagValuesPlaceholder: "One value per line",
+    advancedLabTagsAdd: "Add tag",
     "Advanced lab tb markup tools": "Markup helpers",
     "Advanced lab tb headings": "Headings",
     "Advanced lab tb headings hint": "Inserts at the cursor; adjust spacing if needed.",
@@ -1524,7 +1537,7 @@ export default {
     "Article exported as AsciiDoc": "Article exported as AsciiDoc",
     "Article exported as Markdown": "Article exported as Markdown",
     "Article title (optional)": "Article title (optional)",
-    articleDTagDefaultHint: "Optional. If empty, the d-tag defaults to a type-specific prefix plus a Unix timestamp (seconds), e.g. longform-article-…, wiki-article-…, wiki-markdown-…, publication-content-….",
+    articleDTagDefaultHint: "Optional. If empty, the d-tag defaults to a type-specific prefix plus a Unix timestamp (seconds), e.g. longform-article-…, wiki-article-…, nostr-specification-…, publication-content-….",
     Audio: "Audio",
     Author: "Author",
     "Author is required for reading groups": "Author is required for reading groups",
@@ -1761,7 +1774,7 @@ export default {
     "New Prompt Citation": "New Prompt Citation",
     "New Public Message": "New Public Message",
     "New Wiki Article": "New Wiki Article",
-    "New Wiki Article (Markdown)": "New Wiki Article (Markdown)",
+    "New Nostr Specification": "New Nostr Specification",
     Newest: "Newest",
     "No JSON available": "No JSON available",
     "No RSS feeds found in OPML file": "No RSS feeds found in OPML file",
@@ -2158,7 +2171,7 @@ export default {
     "Vote removed": "Vote removed",
     "Website where LLM was accessed (optional)": "Website where LLM was accessed (optional)",
     "Wiki Article (AsciiDoc)": "Wiki Article (AsciiDoc)",
-    "Wiki Article (Markdown)": "Wiki Article (Markdown)",
+    "Nostr Specification": "Nostr Specification",
     "You can only delete your own notes": "You can only delete your own notes",
     "You must be logged in to create a thread": "You must be logged in to create a thread",
     "You need to add at least one media server in order to upload media files.": "You need to add at least one media server in order to upload media files.",
@@ -2246,7 +2259,11 @@ export default {
     "Invalid event fields": "Invalid event fields",
     "Kind must be an integer from 0 to {{maxSigned}}, or from {{unsignedMin}} to {{unsignedMax}} (unsigned experiment).": "Kind must be an integer from 0 to {{maxSigned}}, or from {{unsignedMin}} to {{unsignedMax}} (unsigned experiment).",
     "Markdown article (NIP-23)": "Markdown article (NIP-23)",
-    "Markdown wiki contribution": "Markdown wiki contribution",
+    nostrSpecificationContribution: "NIP or spec document for relay publication (Markdown)",
+    nostrSpecAffectedKindLabel: "Affected kinds (k tags)",
+    nostrSpecAffectedKindHint: "One Nostr kind number per line. Each line becomes its own k tag.",
+    nostrSpecAffectedKindPlaceholder: "e.g. 1",
+    nostrSpecAffectedKindAdd: "Add kind",
     "Media Note": "Media Note",
     "No publication events found for rebroadcast": "No publication events found for rebroadcast",
     "No publication events were accepted by any relay": "No publication events were accepted by any relay",
diff --git a/src/i18n/locales/es.ts b/src/i18n/locales/es.ts
index 8c19dcde..00a44d28 100644
--- a/src/i18n/locales/es.ts
+++ b/src/i18n/locales/es.ts
@@ -1348,7 +1348,7 @@ export default {
     "Article exported as AsciiDoc": "Article exported as AsciiDoc",
     "Article exported as Markdown": "Article exported as Markdown",
     "Article title (optional)": "Article title (optional)",
-    articleDTagDefaultHint: "Optional. If empty, the d-tag defaults to a type-specific prefix plus a Unix timestamp (seconds), e.g. longform-article-…, wiki-article-…, wiki-markdown-…, publication-content-….",
+    articleDTagDefaultHint: "Optional. If empty, the d-tag defaults to a type-specific prefix plus a Unix timestamp (seconds), e.g. longform-article-…, wiki-article-…, nostr-specification-…, publication-content-….",
     Audio: "Audio",
     Author: "Author",
     "Author is required for reading groups": "Author is required for reading groups",
@@ -1582,7 +1582,7 @@ export default {
     "New Prompt Citation": "New Prompt Citation",
     "New Public Message": "New Public Message",
     "New Wiki Article": "New Wiki Article",
-    "New Wiki Article (Markdown)": "New Wiki Article (Markdown)",
+    "New Nostr Specification": "New Nostr Specification",
     Newest: "Newest",
     "No JSON available": "No JSON available",
     "No RSS feeds found in OPML file": "No RSS feeds found in OPML file",
@@ -1932,7 +1932,7 @@ export default {
     "Vote removed": "Vote removed",
     "Website where LLM was accessed (optional)": "Website where LLM was accessed (optional)",
     "Wiki Article (AsciiDoc)": "Wiki Article (AsciiDoc)",
-    "Wiki Article (Markdown)": "Wiki Article (Markdown)",
+    "Nostr Specification": "Nostr Specification",
     "You can only delete your own notes": "You can only delete your own notes",
     "You must be logged in to create a thread": "You must be logged in to create a thread",
     "You need to add at least one media server in order to upload media files.": "You need to add at least one media server in order to upload media files.",
@@ -2020,7 +2020,7 @@ export default {
     "Invalid event fields": "Invalid event fields",
     "Kind must be an integer from 0 to {{maxSigned}}, or from {{unsignedMin}} to {{unsignedMax}} (unsigned experiment).": "Kind must be an integer from 0 to {{maxSigned}}, or from {{unsignedMin}} to {{unsignedMax}} (unsigned experiment).",
     "Markdown article (NIP-23)": "Markdown article (NIP-23)",
-    "Markdown wiki contribution": "Markdown wiki contribution",
+    nostrSpecificationContribution: "NIP or spec document for relay publication (Markdown)",
     "Media Note": "Media Note",
     "No publication events found for rebroadcast": "No publication events found for rebroadcast",
     "No publication events were accepted by any relay": "No publication events were accepted by any relay",
diff --git a/src/i18n/locales/fr.ts b/src/i18n/locales/fr.ts
index c8884019..62f77fea 100644
--- a/src/i18n/locales/fr.ts
+++ b/src/i18n/locales/fr.ts
@@ -1348,7 +1348,7 @@ export default {
     "Article exported as AsciiDoc": "Article exported as AsciiDoc",
     "Article exported as Markdown": "Article exported as Markdown",
     "Article title (optional)": "Article title (optional)",
-    articleDTagDefaultHint: "Optional. If empty, the d-tag defaults to a type-specific prefix plus a Unix timestamp (seconds), e.g. longform-article-…, wiki-article-…, wiki-markdown-…, publication-content-….",
+    articleDTagDefaultHint: "Optional. If empty, the d-tag defaults to a type-specific prefix plus a Unix timestamp (seconds), e.g. longform-article-…, wiki-article-…, nostr-specification-…, publication-content-….",
     Audio: "Audio",
     Author: "Author",
     "Author is required for reading groups": "Author is required for reading groups",
@@ -1582,7 +1582,7 @@ export default {
     "New Prompt Citation": "New Prompt Citation",
     "New Public Message": "New Public Message",
     "New Wiki Article": "New Wiki Article",
-    "New Wiki Article (Markdown)": "New Wiki Article (Markdown)",
+    "New Nostr Specification": "New Nostr Specification",
     Newest: "Newest",
     "No JSON available": "No JSON available",
     "No RSS feeds found in OPML file": "No RSS feeds found in OPML file",
@@ -1932,7 +1932,7 @@ export default {
     "Vote removed": "Vote removed",
     "Website where LLM was accessed (optional)": "Website where LLM was accessed (optional)",
     "Wiki Article (AsciiDoc)": "Wiki Article (AsciiDoc)",
-    "Wiki Article (Markdown)": "Wiki Article (Markdown)",
+    "Nostr Specification": "Nostr Specification",
     "You can only delete your own notes": "You can only delete your own notes",
     "You must be logged in to create a thread": "You must be logged in to create a thread",
     "You need to add at least one media server in order to upload media files.": "You need to add at least one media server in order to upload media files.",
@@ -2020,7 +2020,7 @@ export default {
     "Invalid event fields": "Invalid event fields",
     "Kind must be an integer from 0 to {{maxSigned}}, or from {{unsignedMin}} to {{unsignedMax}} (unsigned experiment).": "Kind must be an integer from 0 to {{maxSigned}}, or from {{unsignedMin}} to {{unsignedMax}} (unsigned experiment).",
     "Markdown article (NIP-23)": "Markdown article (NIP-23)",
-    "Markdown wiki contribution": "Markdown wiki contribution",
+    nostrSpecificationContribution: "NIP or spec document for relay publication (Markdown)",
     "Media Note": "Media Note",
     "No publication events found for rebroadcast": "No publication events found for rebroadcast",
     "No publication events were accepted by any relay": "No publication events were accepted by any relay",
diff --git a/src/i18n/locales/nl.ts b/src/i18n/locales/nl.ts
index 6414f81e..49f2c341 100644
--- a/src/i18n/locales/nl.ts
+++ b/src/i18n/locales/nl.ts
@@ -1348,7 +1348,7 @@ export default {
     "Article exported as AsciiDoc": "Article exported as AsciiDoc",
     "Article exported as Markdown": "Article exported as Markdown",
     "Article title (optional)": "Article title (optional)",
-    articleDTagDefaultHint: "Optional. If empty, the d-tag defaults to a type-specific prefix plus a Unix timestamp (seconds), e.g. longform-article-…, wiki-article-…, wiki-markdown-…, publication-content-….",
+    articleDTagDefaultHint: "Optional. If empty, the d-tag defaults to a type-specific prefix plus a Unix timestamp (seconds), e.g. longform-article-…, wiki-article-…, nostr-specification-…, publication-content-….",
     Audio: "Audio",
     Author: "Author",
     "Author is required for reading groups": "Author is required for reading groups",
@@ -1582,7 +1582,7 @@ export default {
     "New Prompt Citation": "New Prompt Citation",
     "New Public Message": "New Public Message",
     "New Wiki Article": "New Wiki Article",
-    "New Wiki Article (Markdown)": "New Wiki Article (Markdown)",
+    "New Nostr Specification": "New Nostr Specification",
     Newest: "Newest",
     "No JSON available": "No JSON available",
     "No RSS feeds found in OPML file": "No RSS feeds found in OPML file",
@@ -1932,7 +1932,7 @@ export default {
     "Vote removed": "Vote removed",
     "Website where LLM was accessed (optional)": "Website where LLM was accessed (optional)",
     "Wiki Article (AsciiDoc)": "Wiki Article (AsciiDoc)",
-    "Wiki Article (Markdown)": "Wiki Article (Markdown)",
+    "Nostr Specification": "Nostr Specification",
     "You can only delete your own notes": "You can only delete your own notes",
     "You must be logged in to create a thread": "You must be logged in to create a thread",
     "You need to add at least one media server in order to upload media files.": "You need to add at least one media server in order to upload media files.",
@@ -2020,7 +2020,7 @@ export default {
     "Invalid event fields": "Invalid event fields",
     "Kind must be an integer from 0 to {{maxSigned}}, or from {{unsignedMin}} to {{unsignedMax}} (unsigned experiment).": "Kind must be an integer from 0 to {{maxSigned}}, or from {{unsignedMin}} to {{unsignedMax}} (unsigned experiment).",
     "Markdown article (NIP-23)": "Markdown article (NIP-23)",
-    "Markdown wiki contribution": "Markdown wiki contribution",
+    nostrSpecificationContribution: "NIP or spec document for relay publication (Markdown)",
     "Media Note": "Media Note",
     "No publication events found for rebroadcast": "No publication events found for rebroadcast",
     "No publication events were accepted by any relay": "No publication events were accepted by any relay",
diff --git a/src/i18n/locales/pl.ts b/src/i18n/locales/pl.ts
index b90c1847..b35c1b4a 100644
--- a/src/i18n/locales/pl.ts
+++ b/src/i18n/locales/pl.ts
@@ -1348,7 +1348,7 @@ export default {
     "Article exported as AsciiDoc": "Article exported as AsciiDoc",
     "Article exported as Markdown": "Article exported as Markdown",
     "Article title (optional)": "Article title (optional)",
-    articleDTagDefaultHint: "Optional. If empty, the d-tag defaults to a type-specific prefix plus a Unix timestamp (seconds), e.g. longform-article-…, wiki-article-…, wiki-markdown-…, publication-content-….",
+    articleDTagDefaultHint: "Optional. If empty, the d-tag defaults to a type-specific prefix plus a Unix timestamp (seconds), e.g. longform-article-…, wiki-article-…, nostr-specification-…, publication-content-….",
     Audio: "Audio",
     Author: "Author",
     "Author is required for reading groups": "Author is required for reading groups",
@@ -1582,7 +1582,7 @@ export default {
     "New Prompt Citation": "New Prompt Citation",
     "New Public Message": "New Public Message",
     "New Wiki Article": "New Wiki Article",
-    "New Wiki Article (Markdown)": "New Wiki Article (Markdown)",
+    "New Nostr Specification": "New Nostr Specification",
     Newest: "Newest",
     "No JSON available": "No JSON available",
     "No RSS feeds found in OPML file": "No RSS feeds found in OPML file",
@@ -1932,7 +1932,7 @@ export default {
     "Vote removed": "Vote removed",
     "Website where LLM was accessed (optional)": "Website where LLM was accessed (optional)",
     "Wiki Article (AsciiDoc)": "Wiki Article (AsciiDoc)",
-    "Wiki Article (Markdown)": "Wiki Article (Markdown)",
+    "Nostr Specification": "Nostr Specification",
     "You can only delete your own notes": "You can only delete your own notes",
     "You must be logged in to create a thread": "You must be logged in to create a thread",
     "You need to add at least one media server in order to upload media files.": "You need to add at least one media server in order to upload media files.",
@@ -2020,7 +2020,7 @@ export default {
     "Invalid event fields": "Invalid event fields",
     "Kind must be an integer from 0 to {{maxSigned}}, or from {{unsignedMin}} to {{unsignedMax}} (unsigned experiment).": "Kind must be an integer from 0 to {{maxSigned}}, or from {{unsignedMin}} to {{unsignedMax}} (unsigned experiment).",
     "Markdown article (NIP-23)": "Markdown article (NIP-23)",
-    "Markdown wiki contribution": "Markdown wiki contribution",
+    nostrSpecificationContribution: "NIP or spec document for relay publication (Markdown)",
     "Media Note": "Media Note",
     "No publication events found for rebroadcast": "No publication events found for rebroadcast",
     "No publication events were accepted by any relay": "No publication events were accepted by any relay",
diff --git a/src/i18n/locales/ru.ts b/src/i18n/locales/ru.ts
index 85935cf1..1ab3be25 100644
--- a/src/i18n/locales/ru.ts
+++ b/src/i18n/locales/ru.ts
@@ -1348,7 +1348,7 @@ export default {
     "Article exported as AsciiDoc": "Article exported as AsciiDoc",
     "Article exported as Markdown": "Article exported as Markdown",
     "Article title (optional)": "Article title (optional)",
-    articleDTagDefaultHint: "Optional. If empty, the d-tag defaults to a type-specific prefix plus a Unix timestamp (seconds), e.g. longform-article-…, wiki-article-…, wiki-markdown-…, publication-content-….",
+    articleDTagDefaultHint: "Optional. If empty, the d-tag defaults to a type-specific prefix plus a Unix timestamp (seconds), e.g. longform-article-…, wiki-article-…, nostr-specification-…, publication-content-….",
     Audio: "Audio",
     Author: "Author",
     "Author is required for reading groups": "Author is required for reading groups",
@@ -1582,7 +1582,7 @@ export default {
     "New Prompt Citation": "New Prompt Citation",
     "New Public Message": "New Public Message",
     "New Wiki Article": "New Wiki Article",
-    "New Wiki Article (Markdown)": "New Wiki Article (Markdown)",
+    "New Nostr Specification": "New Nostr Specification",
     Newest: "Newest",
     "No JSON available": "No JSON available",
     "No RSS feeds found in OPML file": "No RSS feeds found in OPML file",
@@ -1932,7 +1932,7 @@ export default {
     "Vote removed": "Vote removed",
     "Website where LLM was accessed (optional)": "Website where LLM was accessed (optional)",
     "Wiki Article (AsciiDoc)": "Wiki Article (AsciiDoc)",
-    "Wiki Article (Markdown)": "Wiki Article (Markdown)",
+    "Nostr Specification": "Nostr Specification",
     "You can only delete your own notes": "You can only delete your own notes",
     "You must be logged in to create a thread": "You must be logged in to create a thread",
     "You need to add at least one media server in order to upload media files.": "You need to add at least one media server in order to upload media files.",
@@ -2020,7 +2020,7 @@ export default {
     "Invalid event fields": "Invalid event fields",
     "Kind must be an integer from 0 to {{maxSigned}}, or from {{unsignedMin}} to {{unsignedMax}} (unsigned experiment).": "Kind must be an integer from 0 to {{maxSigned}}, or from {{unsignedMin}} to {{unsignedMax}} (unsigned experiment).",
     "Markdown article (NIP-23)": "Markdown article (NIP-23)",
-    "Markdown wiki contribution": "Markdown wiki contribution",
+    nostrSpecificationContribution: "NIP or spec document for relay publication (Markdown)",
     "Media Note": "Media Note",
     "No publication events found for rebroadcast": "No publication events found for rebroadcast",
     "No publication events were accepted by any relay": "No publication events were accepted by any relay",
diff --git a/src/i18n/locales/tr.ts b/src/i18n/locales/tr.ts
index 2b23eb27..62071ff2 100644
--- a/src/i18n/locales/tr.ts
+++ b/src/i18n/locales/tr.ts
@@ -1348,7 +1348,7 @@ export default {
     "Article exported as AsciiDoc": "Article exported as AsciiDoc",
     "Article exported as Markdown": "Article exported as Markdown",
     "Article title (optional)": "Article title (optional)",
-    articleDTagDefaultHint: "Optional. If empty, the d-tag defaults to a type-specific prefix plus a Unix timestamp (seconds), e.g. longform-article-…, wiki-article-…, wiki-markdown-…, publication-content-….",
+    articleDTagDefaultHint: "Optional. If empty, the d-tag defaults to a type-specific prefix plus a Unix timestamp (seconds), e.g. longform-article-…, wiki-article-…, nostr-specification-…, publication-content-….",
     Audio: "Audio",
     Author: "Author",
     "Author is required for reading groups": "Author is required for reading groups",
@@ -1582,7 +1582,7 @@ export default {
     "New Prompt Citation": "New Prompt Citation",
     "New Public Message": "New Public Message",
     "New Wiki Article": "New Wiki Article",
-    "New Wiki Article (Markdown)": "New Wiki Article (Markdown)",
+    "New Nostr Specification": "New Nostr Specification",
     Newest: "Newest",
     "No JSON available": "No JSON available",
     "No RSS feeds found in OPML file": "No RSS feeds found in OPML file",
@@ -1932,7 +1932,7 @@ export default {
     "Vote removed": "Vote removed",
     "Website where LLM was accessed (optional)": "Website where LLM was accessed (optional)",
     "Wiki Article (AsciiDoc)": "Wiki Article (AsciiDoc)",
-    "Wiki Article (Markdown)": "Wiki Article (Markdown)",
+    "Nostr Specification": "Nostr Specification",
     "You can only delete your own notes": "You can only delete your own notes",
     "You must be logged in to create a thread": "You must be logged in to create a thread",
     "You need to add at least one media server in order to upload media files.": "You need to add at least one media server in order to upload media files.",
@@ -2020,7 +2020,7 @@ export default {
     "Invalid event fields": "Invalid event fields",
     "Kind must be an integer from 0 to {{maxSigned}}, or from {{unsignedMin}} to {{unsignedMax}} (unsigned experiment).": "Kind must be an integer from 0 to {{maxSigned}}, or from {{unsignedMin}} to {{unsignedMax}} (unsigned experiment).",
     "Markdown article (NIP-23)": "Markdown article (NIP-23)",
-    "Markdown wiki contribution": "Markdown wiki contribution",
+    nostrSpecificationContribution: "NIP or spec document for relay publication (Markdown)",
     "Media Note": "Media Note",
     "No publication events found for rebroadcast": "No publication events found for rebroadcast",
     "No publication events were accepted by any relay": "No publication events were accepted by any relay",
diff --git a/src/i18n/locales/zh.ts b/src/i18n/locales/zh.ts
index 8303b5b8..8b8b034f 100644
--- a/src/i18n/locales/zh.ts
+++ b/src/i18n/locales/zh.ts
@@ -1348,7 +1348,7 @@ export default {
     "Article exported as AsciiDoc": "Article exported as AsciiDoc",
     "Article exported as Markdown": "Article exported as Markdown",
     "Article title (optional)": "Article title (optional)",
-    articleDTagDefaultHint: "Optional. If empty, the d-tag defaults to a type-specific prefix plus a Unix timestamp (seconds), e.g. longform-article-…, wiki-article-…, wiki-markdown-…, publication-content-….",
+    articleDTagDefaultHint: "Optional. If empty, the d-tag defaults to a type-specific prefix plus a Unix timestamp (seconds), e.g. longform-article-…, wiki-article-…, nostr-specification-…, publication-content-….",
     Audio: "Audio",
     Author: "Author",
     "Author is required for reading groups": "Author is required for reading groups",
@@ -1582,7 +1582,7 @@ export default {
     "New Prompt Citation": "New Prompt Citation",
     "New Public Message": "New Public Message",
     "New Wiki Article": "New Wiki Article",
-    "New Wiki Article (Markdown)": "New Wiki Article (Markdown)",
+    "New Nostr Specification": "New Nostr Specification",
     Newest: "Newest",
     "No JSON available": "No JSON available",
     "No RSS feeds found in OPML file": "No RSS feeds found in OPML file",
@@ -1932,7 +1932,7 @@ export default {
     "Vote removed": "Vote removed",
     "Website where LLM was accessed (optional)": "Website where LLM was accessed (optional)",
     "Wiki Article (AsciiDoc)": "Wiki Article (AsciiDoc)",
-    "Wiki Article (Markdown)": "Wiki Article (Markdown)",
+    "Nostr Specification": "Nostr Specification",
     "You can only delete your own notes": "You can only delete your own notes",
     "You must be logged in to create a thread": "You must be logged in to create a thread",
     "You need to add at least one media server in order to upload media files.": "You need to add at least one media server in order to upload media files.",
@@ -2020,7 +2020,7 @@ export default {
     "Invalid event fields": "Invalid event fields",
     "Kind must be an integer from 0 to {{maxSigned}}, or from {{unsignedMin}} to {{unsignedMax}} (unsigned experiment).": "Kind must be an integer from 0 to {{maxSigned}}, or from {{unsignedMin}} to {{unsignedMax}} (unsigned experiment).",
     "Markdown article (NIP-23)": "Markdown article (NIP-23)",
-    "Markdown wiki contribution": "Markdown wiki contribution",
+    nostrSpecificationContribution: "NIP or spec document for relay publication (Markdown)",
     "Media Note": "Media Note",
     "No publication events found for rebroadcast": "No publication events found for rebroadcast",
     "No publication events were accepted by any relay": "No publication events were accepted by any relay",
diff --git a/src/lib/advanced-event-lab-slice.ts b/src/lib/advanced-event-lab-slice.ts
index 74583ac0..64edb67b 100644
--- a/src/lib/advanced-event-lab-slice.ts
+++ b/src/lib/advanced-event-lab-slice.ts
@@ -16,6 +16,10 @@ export function serializeLabSlice(slice: AdvancedEventLabSlice): string {
   )
 }
 
+/**
+ * Accepts lab slice JSON or a fuller draft/event object; ignores unknown top-level fields
+ * (`created_at`, `pubkey`, `id`, etc.).
+ */
 export function parseLabSlice(
   raw: string
 ): { ok: true; value: AdvancedEventLabSlice } | { ok: false; error: string } {
diff --git a/src/lib/composer-extra-tags.test.ts b/src/lib/composer-extra-tags.test.ts
new file mode 100644
index 00000000..63c1d0bb
--- /dev/null
+++ b/src/lib/composer-extra-tags.test.ts
@@ -0,0 +1,26 @@
+import { describe, expect, it } from 'vitest'
+import {
+  normalizeComposerExtraTags,
+  parseComposerTagValuesInput,
+  type ComposerExtraTagRow
+} from './composer-extra-tags'
+
+function row(tag: string[]): ComposerExtraTagRow {
+  return { id: '1', tag }
+}
+
+describe('normalizeComposerExtraTags', () => {
+  it('drops rows without a tag name', () => {
+    expect(normalizeComposerExtraTags([row(['', 'x']), row(['t', 'a'])])).toEqual([['t', 'a']])
+  })
+
+  it('trims tag name and values', () => {
+    expect(normalizeComposerExtraTags([row(['  k  ', ' 1 ', '2 '])])).toEqual([['k', '1', '2']])
+  })
+})
+
+describe('parseComposerTagValuesInput', () => {
+  it('splits on newlines and drops empty lines', () => {
+    expect(parseComposerTagValuesInput('a\n\n b \n')).toEqual(['a', 'b'])
+  })
+})
diff --git a/src/lib/composer-extra-tags.ts b/src/lib/composer-extra-tags.ts
new file mode 100644
index 00000000..51107af6
--- /dev/null
+++ b/src/lib/composer-extra-tags.ts
@@ -0,0 +1,25 @@
+export type ComposerExtraTagRow = { id: string; tag: string[] }
+
+export function newComposerTagRow(tag: string[] = ['', '']): ComposerExtraTagRow {
+  return { id: crypto.randomUUID(), tag: [...tag] }
+}
+
+/** Normalize user rows into valid Nostr tag arrays (non-empty tag name). */
+export function normalizeComposerExtraTags(rows: ComposerExtraTagRow[]): string[][] {
+  return rows
+    .map((row) => row.tag)
+    .filter((tag) => Array.isArray(tag) && String(tag[0] ?? '').trim())
+    .map((tag) => [String(tag[0]).trim(), ...tag.slice(1).map((v) => String(v ?? '').trim())])
+}
+
+/** Join tag[1..] for a single-line editor (commas in values are preserved via multiline instead). */
+export function formatComposerTagValuesInput(tag: string[]): string {
+  return tag.slice(1).join('\n')
+}
+
+export function parseComposerTagValuesInput(raw: string): string[] {
+  return raw
+    .split('\n')
+    .map((line) => line.trim())
+    .filter(Boolean)
+}
diff --git a/src/lib/draft-event.ts b/src/lib/draft-event.ts
index 35f2299d..209c9be4 100644
--- a/src/lib/draft-event.ts
+++ b/src/lib/draft-event.ts
@@ -2167,14 +2167,15 @@ export async function createWikiArticleDraftEvent(
   })
 }
 
-export async function createWikiArticleMarkdownDraftEvent(
+export async function createNostrSpecificationDraftEvent(
   content: string,
   mentions: string[],
   options: {
     dTag: string
     title?: string
     summary?: string
-    image?: string
+    /** NIP/kind numbers this specification applies to (each becomes a `k` tag). */
+    affectedKinds?: number[]
     topics?: string[]
     addClientTag?: boolean
     isNsfw?: boolean
@@ -2195,8 +2196,10 @@ export async function createWikiArticleMarkdownDraftEvent(
   if (options.summary) {
     tags.push(['summary', options.summary])
   }
-  if (options.image) {
-    tags.push(['image', options.image])
+  if (options.affectedKinds?.length) {
+    for (const kindNum of options.affectedKinds) {
+      tags.push(['k', String(kindNum)])
+    }
   }
   tags.push(...emojiTags)
   tags.push(...hashtags.map((hashtag) => buildTTag(hashtag)))
@@ -2222,7 +2225,7 @@ export async function createWikiArticleMarkdownDraftEvent(
   }
   
   return setDraftEventCache({
-    kind: ExtendedKind.WIKI_ARTICLE_MARKDOWN,
+    kind: ExtendedKind.NOSTR_SPECIFICATION,
     content: transformedEmojisContent,
     tags
   })
diff --git a/src/lib/kind-description.ts b/src/lib/kind-description.ts
index 17d6add7..d49ac1e3 100644
--- a/src/lib/kind-description.ts
+++ b/src/lib/kind-description.ts
@@ -42,8 +42,8 @@ export function getKindDescription(
       return { number: 30023, description: 'Long-form Article' }
     case ExtendedKind.WIKI_ARTICLE:
       return { number: 30818, description: 'Wiki Article (AsciiDoc)' }
-    case ExtendedKind.WIKI_ARTICLE_MARKDOWN:
-      return { number: 30817, description: 'Wiki Article (Markdown)' }
+    case ExtendedKind.NOSTR_SPECIFICATION:
+      return { number: 30817, description: 'Nostr Specification' }
     case ExtendedKind.PUBLICATION_CONTENT:
       return { number: 30041, description: 'Publication Content' }
     case ExtendedKind.CITATION_INTERNAL:
diff --git a/src/lib/link.ts b/src/lib/link.ts
index 74aae5ff..d47cfc2b 100644
--- a/src/lib/link.ts
+++ b/src/lib/link.ts
@@ -11,7 +11,7 @@ const ALEXANDRIA_PUBLICATION_NADDR_KINDS = new Set<number>([
   ExtendedKind.PUBLICATION,
   ExtendedKind.PUBLICATION_CONTENT,
   ExtendedKind.WIKI_ARTICLE,
-  ExtendedKind.WIKI_ARTICLE_MARKDOWN
+  ExtendedKind.NOSTR_SPECIFICATION
 ])
 
 /** NIP-19 `naddr` for article-like replaceable events (`d` tag required). */
diff --git a/src/lib/markup-detection.ts b/src/lib/markup-detection.ts
index 42b11a2e..23f87312 100644
--- a/src/lib/markup-detection.ts
+++ b/src/lib/markup-detection.ts
@@ -13,7 +13,7 @@ export function detectMarkupType(content: string, eventKind?: number): MarkupTyp
     return 'asciidoc'
   }
   
-  // Wiki articles (30817) use markdown
+  // Nostr specifications (30817) use markdown
   if (eventKind === 30817) {
     return 'advanced-markdown'
   }
diff --git a/src/lib/merged-search-note-preview.ts b/src/lib/merged-search-note-preview.ts
index 2ab42ae8..28c65500 100644
--- a/src/lib/merged-search-note-preview.ts
+++ b/src/lib/merged-search-note-preview.ts
@@ -7,7 +7,7 @@ import { kinds } from 'nostr-tools'
 const DOC_KINDS = new Set<number>([
   kinds.LongFormArticle,
   ExtendedKind.WIKI_ARTICLE,
-  ExtendedKind.WIKI_ARTICLE_MARKDOWN,
+  ExtendedKind.NOSTR_SPECIFICATION,
   ExtendedKind.PUBLICATION,
   ExtendedKind.PUBLICATION_CONTENT
 ])
diff --git a/src/lib/nostr-spec-affected-kinds.test.ts b/src/lib/nostr-spec-affected-kinds.test.ts
new file mode 100644
index 00000000..8cabcc87
--- /dev/null
+++ b/src/lib/nostr-spec-affected-kinds.test.ts
@@ -0,0 +1,24 @@
+import { describe, expect, it } from 'vitest'
+import { parseNostrSpecAffectedKinds } from './nostr-spec-affected-kinds'
+
+describe('parseNostrSpecAffectedKinds', () => {
+  it('parses one kind per row and dedupes', () => {
+    expect(
+      parseNostrSpecAffectedKinds([
+        { id: '1', value: '1' },
+        { id: '2', value: ' 42 ' },
+        { id: '3', value: '1' }
+      ])
+    ).toEqual([1, 42])
+  })
+
+  it('skips empty and invalid rows', () => {
+    expect(
+      parseNostrSpecAffectedKinds([
+        { id: '1', value: '' },
+        { id: '2', value: 'abc' },
+        { id: '3', value: '-1' }
+      ])
+    ).toEqual([])
+  })
+})
diff --git a/src/lib/nostr-spec-affected-kinds.ts b/src/lib/nostr-spec-affected-kinds.ts
new file mode 100644
index 00000000..2461d118
--- /dev/null
+++ b/src/lib/nostr-spec-affected-kinds.ts
@@ -0,0 +1,20 @@
+export type NostrSpecAffectedKindRow = { id: string; value: string }
+
+export function newNostrSpecAffectedKindRow(value = ''): NostrSpecAffectedKindRow {
+  return { id: crypto.randomUUID(), value }
+}
+
+/** Parse kind numbers from composer rows (one kind per line). */
+export function parseNostrSpecAffectedKinds(rows: NostrSpecAffectedKindRow[]): number[] {
+  const seen = new Set<number>()
+  const out: number[] = []
+  for (const row of rows) {
+    const raw = row.value.trim()
+    if (!raw) continue
+    const n = Number.parseInt(raw, 10)
+    if (!Number.isInteger(n) || n < 0 || seen.has(n)) continue
+    seen.add(n)
+    out.push(n)
+  }
+  return out
+}
diff --git a/src/lib/read-aloud.ts b/src/lib/read-aloud.ts
index 741da0a0..8c556d5e 100644
--- a/src/lib/read-aloud.ts
+++ b/src/lib/read-aloud.ts
@@ -189,7 +189,7 @@ const KINDS_WITH_METADATA_TITLE = new Set<number>([
   kinds.LongFormArticle,
   ExtendedKind.PUBLICATION,
   ExtendedKind.PUBLICATION_CONTENT,
-  ExtendedKind.WIKI_ARTICLE_MARKDOWN,
+  ExtendedKind.NOSTR_SPECIFICATION,
   ExtendedKind.WIKI_ARTICLE
 ])
 
diff --git a/src/pages/secondary/NotePage/index.tsx b/src/pages/secondary/NotePage/index.tsx
index 87a967e3..f0256a7e 100644
--- a/src/pages/secondary/NotePage/index.tsx
+++ b/src/pages/secondary/NotePage/index.tsx
@@ -83,8 +83,8 @@ function getEventTypeName(kind: number): string {
       return 'Publication Content'
     case ExtendedKind.WIKI_ARTICLE:
       return 'Wiki Article'
-    case ExtendedKind.WIKI_ARTICLE_MARKDOWN:
-      return 'Wiki Article'
+    case ExtendedKind.NOSTR_SPECIFICATION:
+      return 'Nostr Specification'
     case ExtendedKind.DISCUSSION:
       return 'Discussion'
     case ExtendedKind.CALENDAR_EVENT_TIME:
@@ -245,8 +245,8 @@ const NotePage = forwardRef(({ id, index, hideTitlebar = false, initialEvent }:
         return 'Note: Publication'
       case 30041: // ExtendedKind.PUBLICATION_CONTENT
         return 'Note: Publication Content'
-      case 30817: // ExtendedKind.WIKI_ARTICLE_MARKDOWN
-        return 'Note: Wiki Article'
+      case 30817: // ExtendedKind.NOSTR_SPECIFICATION
+        return 'Note: Nostr Specification'
       case 30818: // ExtendedKind.WIKI_ARTICLE
         return 'Note: Wiki Article'
       case 20: // ExtendedKind.PICTURE
@@ -294,7 +294,7 @@ const NotePage = forwardRef(({ id, index, hideTitlebar = false, initialEvent }:
       kinds.LongFormArticle, // 30023
       ExtendedKind.PUBLICATION, // 30040
       ExtendedKind.PUBLICATION_CONTENT, // 30041
-      ExtendedKind.WIKI_ARTICLE_MARKDOWN, // 30817
+      ExtendedKind.NOSTR_SPECIFICATION, // 30817
       ExtendedKind.WIKI_ARTICLE // 30818
     ]
     if (articleKinds.includes(finalEvent.kind)) {
diff --git a/src/services/client-events.service.ts b/src/services/client-events.service.ts
index 46425538..aee1a793 100644
--- a/src/services/client-events.service.ts
+++ b/src/services/client-events.service.ts
@@ -111,7 +111,7 @@ const EMBEDDED_NOTE_PREFETCH_ON_INGEST_KINDS = new Set<number>([
   ExtendedKind.GENERIC_REPOST,
   ExtendedKind.PUBLICATION_CONTENT,
   ExtendedKind.WIKI_ARTICLE,
-  ExtendedKind.WIKI_ARTICLE_MARKDOWN,
+  ExtendedKind.NOSTR_SPECIFICATION,
   ExtendedKind.COMMENT,
   ExtendedKind.VOICE_COMMENT,
   ExtendedKind.DISCUSSION
diff --git a/src/services/indexed-db.service.ts b/src/services/indexed-db.service.ts
index 84caa52a..a5adf419 100644
--- a/src/services/indexed-db.service.ts
+++ b/src/services/indexed-db.service.ts
@@ -1106,7 +1106,7 @@ class IndexedDbService {
     // PAYMENT_INFO (10133), RSS_FEED_LIST (10895), etc. are in the 10000-20000 range
     if (
       [kinds.Metadata, kinds.Contacts, ExtendedKind.PAYMENT_INFO].includes(event.kind) ||
-      (event.kind >= 10000 && event.kind < 20000 && event.kind !== ExtendedKind.PUBLICATION && event.kind !== ExtendedKind.PUBLICATION_CONTENT && event.kind !== ExtendedKind.WIKI_ARTICLE && event.kind !== ExtendedKind.WIKI_ARTICLE_MARKDOWN && event.kind !== kinds.LongFormArticle)
+      (event.kind >= 10000 && event.kind < 20000 && event.kind !== ExtendedKind.PUBLICATION && event.kind !== ExtendedKind.PUBLICATION_CONTENT && event.kind !== ExtendedKind.WIKI_ARTICLE && event.kind !== ExtendedKind.NOSTR_SPECIFICATION && event.kind !== kinds.LongFormArticle)
     ) {
       return this.getReplaceableEventKey(event.pubkey)
     }
@@ -1169,7 +1169,7 @@ class IndexedDbService {
       case ExtendedKind.PUBLICATION:
       case ExtendedKind.PUBLICATION_CONTENT:
       case ExtendedKind.WIKI_ARTICLE:
-      case ExtendedKind.WIKI_ARTICLE_MARKDOWN:
+      case ExtendedKind.NOSTR_SPECIFICATION:
       case kinds.LongFormArticle:
         return StoreNames.PUBLICATION_EVENTS
       case ExtendedKind.BADGE_DEFINITION:
diff --git a/src/services/local-storage.service.ts b/src/services/local-storage.service.ts
index 48212f27..72ac42be 100644
--- a/src/services/local-storage.service.ts
+++ b/src/services/local-storage.service.ts
@@ -326,13 +326,13 @@ class LocalStorageService {
         }
       }
       if (showKindsVersion < 12) {
-        // Add WIKI_ARTICLE_MARKDOWN (30817) for users who already have long-form articles (30023) or
+        // Add NOSTR_SPECIFICATION (30817) for users who already have long-form articles (30023) or
         // wiki articles (30818) enabled — it was omitted from the earlier v4 migration.
         if (
           (showKinds.includes(kinds.LongFormArticle) || showKinds.includes(ExtendedKind.WIKI_ARTICLE)) &&
-          !showKinds.includes(ExtendedKind.WIKI_ARTICLE_MARKDOWN)
+          !showKinds.includes(ExtendedKind.NOSTR_SPECIFICATION)
         ) {
-          showKinds.push(ExtendedKind.WIKI_ARTICLE_MARKDOWN)
+          showKinds.push(ExtendedKind.NOSTR_SPECIFICATION)
         }
       }
       if (showKindsVersion < 13) {
diff --git a/src/services/mention-event-search.service.ts b/src/services/mention-event-search.service.ts
index 87729ff1..04b6debb 100644
--- a/src/services/mention-event-search.service.ts
+++ b/src/services/mention-event-search.service.ts
@@ -51,7 +51,7 @@ export const NADDR_KINDS = [
   ExtendedKind.CALENDAR_EVENT_TIME, 
   ExtendedKind.PUBLICATION, 
   ExtendedKind.WIKI_ARTICLE, 
-  ExtendedKind.WIKI_ARTICLE_MARKDOWN, 
+  ExtendedKind.NOSTR_SPECIFICATION, 
   ExtendedKind.PUBLICATION_CONTENT,
   kinds.LongFormArticle,
 ] as const