reveal comments on publications and correct threading

src/lib/components/CommentViewer.svelte

@@ -523,6 +523,32 @@
     }
   }
 
+  /**
+   * Public method to refresh comments (e.g., after creating a new one)
+   */
+  export function refresh() {
+    console.log(`[CommentViewer] Refreshing comments for event:`, event?.id);
+    
+    // Clean up previous subscription
+    if (activeSub) {
+      activeSub.stop();
+      activeSub = null;
+    }
+    
+    // Reset state
+    comments = [];
+    profiles = new Map();
+    nestedReplyIds = new Set();
+    isFetchingNestedReplies = false;
+    retryCount = 0;
+    isFetching = false;
+    
+    // Refetch comments
+    if (event?.id && !isFetching) {
+      fetchComments();
+    }
+  }
+
   // Cleanup on unmount
   onMount(() => {
     return () => {

src/lib/components/publications/CommentLayer.svelte

@@ -72,19 +72,24 @@
 
     try {
       // Build filter for kind 1111 comment events
-      // IMPORTANT: Use only #a tags because filters are AND, not OR
-      // If we include both #e and #a, relays will only return comments that have BOTH
+      // NIP-22: Uppercase tags (A, E, I, K, P) point to root scope (section/publication)
+      // Lowercase tags (a, e, i, k, p) point to parent item (comment being replied to)
+      // IMPORTANT: Use uppercase #A filter to match NIP-22 root scope tags
+      // If we include both #e and #A, relays will only return comments that have BOTH
       const filter: any = {
         kinds: [1111],
         limit: 500,
       };
 
-      // Prefer #a (addressable events) since they're more specific and persistent
+      // NIP-22: Use uppercase #A filter to match root scope (section addresses)
+      // This will fetch both direct comments and replies (replies also have uppercase A tag)
       if (allAddresses.length > 0) {
-        filter["#a"] = allAddresses;
+        filter["#A"] = allAddresses;
+        console.debug(`[CommentLayer] Fetching comments for addresses (NIP-22 #A filter):`, allAddresses);
       } else if (allEventIds.length > 0) {
         // Fallback to #e if no addresses available
         filter["#e"] = allEventIds;
+        console.debug(`[CommentLayer] Fetching comments for event IDs:`, allEventIds);
       }
 
       // Build explicit relay set (same pattern as HighlightLayer)
@@ -168,6 +173,16 @@
 
                     // Convert to NDKEvent
                     const ndkEvent = new NDKEventClass(ndk, rawEvent);
+                    
+                    // AI-NOTE: Debug logging to track comment reception
+                    const aTags = ndkEvent.tags.filter((t: string[]) => t[0] === "a");
+                    console.debug(`[CommentLayer] Received comment event:`, {
+                      id: rawEvent.id?.substring(0, 8),
+                      kind: rawEvent.kind,
+                      aTags: aTags.map((t: string[]) => t[1]),
+                      content: rawEvent.content?.substring(0, 50),
+                    });
+                    
                     comments = [...comments, ndkEvent];
                   }
                 } else if (message[0] === "EOSE" && message[1] === subscriptionId) {
@@ -202,6 +217,16 @@
       // Wait for all relays to respond or timeout
       await Promise.allSettled(fetchPromises);
       
+      // AI-NOTE: Debug logging to track comment fetching
+      console.debug(`[CommentLayer] Fetched ${comments.length} comments for addresses:`, allAddresses);
+      if (comments.length > 0) {
+        console.debug(`[CommentLayer] Comment addresses:`, comments.map(c => {
+          // NIP-22: Look for uppercase A tag (root scope)
+          const rootATag = c.tags.find((t: string[]) => t[0] === "A");
+          return rootATag ? rootATag[1] : "no-A-tag";
+        }));
+      }
+      
       // Ensure loading is cleared even if checkAllResponses didn't fire
       loading = false;
 
@@ -214,25 +239,44 @@
   // Track the last fetched event count to know when to refetch
   let lastFetchedCount = $state(0);
   let fetchTimeout: ReturnType<typeof setTimeout> | null = null;
+  let lastAddressesString = $state("");
 
   // Watch for changes to event data - debounce and fetch when data stabilizes
   $effect(() => {
     const currentCount = eventIds.length + eventAddresses.length;
     const hasEventData = currentCount > 0;
     
+    // AI-NOTE: Debug logging to track effect execution
+    console.debug(`[CommentLayer] Effect running:`, {
+      eventIdsCount: eventIds.length,
+      eventAddressesCount: eventAddresses.length,
+      hasEventData,
+      addresses: eventAddresses,
+    });
+    
+    // AI-NOTE: Also track the actual addresses string to detect when addresses change
+    // even if the count stays the same (e.g., when commentsVisible toggles)
+    const currentAddressesString = JSON.stringify(eventAddresses.sort());
+
     // Only fetch if:
     // 1. We have event data
-    // 2. The count has changed since last fetch
+    // 2. (The count has changed OR the addresses have changed) since last fetch
     // 3. We're not already loading
-    if (hasEventData && currentCount !== lastFetchedCount && !loading) {
+    const addressesChanged = currentAddressesString !== lastAddressesString;
+    const countChanged = currentCount !== lastFetchedCount;
+    
+    if (hasEventData && (countChanged || addressesChanged) && !loading) {
       // Clear any existing timeout
       if (fetchTimeout) {
         clearTimeout(fetchTimeout);
       }
 
+      console.debug(`[CommentLayer] Effect triggered: count=${currentCount}, addresses changed=${addressesChanged}, addresses:`, eventAddresses);
+
       // Debounce: wait 500ms for more events to arrive before fetching
       fetchTimeout = setTimeout(() => {
         lastFetchedCount = currentCount;
+        lastAddressesString = currentAddressesString;
         fetchComments();
       }, 500);
     }
@@ -249,11 +293,22 @@
    * Public method to refresh comments (e.g., after creating a new one)
    */
   export function refresh() {
+    console.debug(`[CommentLayer] refresh() called, current comments: ${comments.length}`);
+    
     // Clear existing comments
     comments = [];
 
     // Reset fetch count to force re-fetch
     lastFetchedCount = 0;
+    
+    // Collect current addresses to log what we're fetching
+    const allEventIds = [...(eventId ? [eventId] : []), ...eventIds].filter(Boolean);
+    const allAddresses = [...(eventAddress ? [eventAddress] : []), ...eventAddresses].filter(Boolean);
+    console.debug(`[CommentLayer] Refreshing comments for:`, {
+      eventIds: allEventIds,
+      addresses: allAddresses,
+    });
+    
     fetchComments();
   }
 </script>

src/lib/components/publications/Publication.svelte

@@ -699,15 +699,29 @@
 
   function toggleComments() {
     commentsVisible = !commentsVisible;
+    
+    // AI-NOTE: When toggling comments on, ensure CommentLayer fetches comments
+    // The effect in CommentLayer should handle this, but we can also trigger a refresh
+    if (commentsVisible && commentLayerRef) {
+      console.debug("[Publication] Comments toggled on, triggering refresh");
+      // Small delay to ensure addresses are available
+      setTimeout(() => {
+        if (commentLayerRef && commentsVisible) {
+          commentLayerRef.refresh();
+        }
+      }, 100);
+    }
   }
 
   function handleCommentPosted() {
-    // Refresh the comment layer after a short delay to allow relay indexing
+    // AI-NOTE: Refresh the comment layer after a delay to allow relay indexing
+    // Increased delay to 3 seconds to give relays more time to index the new comment
     setTimeout(() => {
       if (commentLayerRef) {
+        console.debug("[Publication] Refreshing CommentLayer after comment posted");
         commentLayerRef.refresh();
       }
-    }, 500);
+    }, 3000);
   }
 
   async function submitArticleComment() {
@@ -1476,6 +1490,7 @@
                     {toc}
                     allComments={comments}
                     {commentsVisible}
+                    onCommentPosted={handleCommentPosted}
                     ref={(el) => onPublicationSectionMounted(el, address)}
                   />
                 {:else}
@@ -1630,5 +1645,7 @@
   <CardActions 
     event={indexEvent} 
     bind:detailsModalOpen={detailsModalOpen}
+    sectionAddress={rootAddress}
+    onCommentPosted={handleCommentPosted}
   />
 </div>

src/lib/components/publications/PublicationSection.svelte

@@ -28,6 +28,7 @@
     commentsVisible = true,
     publicationTitle,
     isFirstSection = false,
+    onCommentPosted,
   }: {
     address: string;
     rootAddress: string;
@@ -39,20 +40,85 @@
     commentsVisible?: boolean;
     publicationTitle?: string;
     isFirstSection?: boolean;
+    onCommentPosted?: () => void;
   } = $props();
 
   const asciidoctor: Asciidoctor = getContext("asciidoctor");
   const ndk: NDK = getContext("ndk");
 
   // Filter comments for this section
-  let sectionComments = $derived(
-    allComments.filter((comment) => {
-      // Check if comment targets this section via #a tag
-      const aTag = comment.tags.find((t) => t[0] === "a");
-      return aTag && aTag[1] === address;
-    }),
+  // AI-NOTE: NIP-22: Uppercase tags (A, E, I, K, P) point to root scope (section/publication)
+  // Lowercase tags (a, e, i, k, p) point to parent item (comment being replied to)
+  // All comments scoped to this section will have uppercase A tag matching section address
+  let sectionComments = $derived.by(() => {
+    // Step 1: Find all comments scoped to this section (have uppercase A tag matching section address)
+    const directComments = allComments.filter((comment) => {
+      // NIP-22: Look for uppercase A tag (root scope)
+      const rootATag = comment.tags.find((t) => t[0] === "A");
+      const matches = rootATag && rootATag[1] === address;
+      
+      // AI-NOTE: Debug logging to help diagnose comment filtering issues
+      if (rootATag) {
+        console.debug("[PublicationSection] Comment filtering:", {
+          sectionAddress: address,
+          commentRootATag: rootATag[1],
+          matches,
+          commentId: comment.id?.substring(0, 8),
+        });
+      }
+      
+      return matches;
+    });
+    
+    // Step 2: Build a set of comment IDs that match this section (for efficient lookup)
+    const matchingCommentIds = new Set(
+      directComments.map(c => c.id?.toLowerCase()).filter(Boolean)
     );
     
+    // Step 3: Recursively find all replies to matching comments
+    // NIP-22: Replies have lowercase e tag pointing to parent comment ID
+    // They also have uppercase A tag matching section address (same root scope)
+    const allMatchingComments = new Set<NDKEvent>(directComments);
+    let foundNewReplies = true;
+    
+    // Keep iterating until we find no new replies (handles nested replies)
+    while (foundNewReplies) {
+      foundNewReplies = false;
+      
+      for (const comment of allComments) {
+        // Skip if already included
+        if (allMatchingComments.has(comment)) {
+          continue;
+        }
+        
+        // NIP-22: Check if this comment is scoped to this section (uppercase A tag)
+        const rootATag = comment.tags.find((t) => t[0] === "A");
+        if (!rootATag || rootATag[1] !== address) {
+          // Not scoped to this section, skip
+          continue;
+        }
+        
+        // NIP-22: Check if this is a reply (has lowercase e tag pointing to a matching comment)
+        const lowercaseETags = comment.tags.filter(t => t[0] === "e");
+        for (const eTag of lowercaseETags) {
+          const parentId = eTag[1]?.toLowerCase();
+          if (parentId && matchingCommentIds.has(parentId)) {
+            // This is a reply to a matching comment - include it
+            allMatchingComments.add(comment);
+            matchingCommentIds.add(comment.id?.toLowerCase() || "");
+            foundNewReplies = true;
+            console.debug(`[PublicationSection] Found reply ${comment.id?.substring(0, 8)} to matching comment ${parentId.substring(0, 8)} (NIP-22)`);
+            break; // Found a match, no need to check other e tags
+          }
+        }
+      }
+    }
+    
+    const filtered = Array.from(allMatchingComments);
+    console.debug(`[PublicationSection] Filtered ${filtered.length} comments (${directComments.length} direct, ${filtered.length - directComments.length} replies) for section ${address} from ${allComments.length} total comments`);
+    return filtered;
+  });
+
   let leafEvent: Promise<NDKEvent | null> = $derived.by(
     async () => await publicationTree.getEvent(address),
   );
@@ -227,7 +293,8 @@
 </script>
 
 <!-- Wrapper for positioning context -->
-<div class="relative w-full overflow-x-hidden">
+<!-- AI-NOTE: Removed overflow-x-hidden to allow comments panel to be visible when positioned absolutely -->
+<div class="relative w-full">
   <section
     id={address}
     bind:this={sectionRef}
@@ -257,6 +324,7 @@
                     {event}
                     sectionAddress={address}
                     onDelete={handleDelete}
+                    onCommentPosted={onCommentPosted}
                   />
                 {/if}
               {/await}
@@ -283,9 +351,11 @@
   </section>
 
 
-  <!-- Comments area: positioned below menu, top-center of section -->
+  <!-- Comments area: positioned to the right of section on desktop -->
+  <!-- AI-NOTE: Comments panel positioned to the right of sections on desktop (xl+ screens)
+       Positioned relative to viewport right edge to ensure visibility -->
   <div
-    class="hidden xl:block absolute left-[calc(50%+26rem)] top-[calc(20%+3rem)] w-[max(16rem,min(24rem,calc(50vw-26rem-2rem)))]"
+    class="hidden xl:block fixed right-8 top-[calc(20%+70px)] w-80 max-h-[calc(100vh-200px)] overflow-y-auto z-30"
   >
     <SectionComments
       sectionAddress={address}

src/lib/components/publications/SectionComments.svelte

@@ -37,41 +37,99 @@
   let user = $derived($userStore);
 
   /**
-   * Parse comment threading structure
-   * Root comments have no 'e' tag with 'reply' marker
+   * Parse comment threading structure according to NIP-22
+   * NIP-22: Uppercase tags (A, E, I, K, P) = root scope
+   * Lowercase tags (a, e, i, k, p) = parent item (comment being replied to)
+   * Root comments have no lowercase e tag (or lowercase e tag pointing to section itself)
+   * Replies have lowercase e tag pointing to parent comment ID
    */
   function buildThreadStructure(allComments: NDKEvent[]) {
     const rootComments: NDKEvent[] = [];
     const repliesByParent = new Map<string, NDKEvent[]>();
+    // AI-NOTE: Normalize comment IDs to lowercase for consistent matching
+    const allCommentIds = new Set(allComments.map(c => c.id?.toLowerCase()).filter(Boolean));
 
+    // AI-NOTE: Debug logging to track comment threading
+    console.debug(`[SectionComments] Building thread structure from ${allComments.length} comments (NIP-22)`);
+
+    // NIP-22: First pass - identify replies by looking for lowercase e tags
+    // Lowercase e tags point to the parent comment ID
     for (const comment of allComments) {
-      // Check if this is a reply by looking for 'e' tags with 'reply' marker
-      const replyTag = comment.tags.find(t => t[0] === 'e' && t[3] === 'reply');
+      // NIP-22: Look for lowercase e tag (parent item reference)
+      const lowercaseETags = comment.tags.filter(t => t[0] === 'e');
+      
+      if (lowercaseETags.length > 0) {
+        // Check if any lowercase e tag points to a comment in our set
+        let isReply = false;
+        for (const eTag of lowercaseETags) {
+          const parentId = eTag[1]?.trim().toLowerCase();
+          
+          if (!parentId) {
+            continue;
+          }
+          
+          // NIP-22: If lowercase e tag points to a comment in our set, it's a reply
+          if (allCommentIds.has(parentId)) {
+            isReply = true;
             
-      if (replyTag) {
-        const parentId = replyTag[1];
             if (!repliesByParent.has(parentId)) {
               repliesByParent.set(parentId, []);
             }
             repliesByParent.get(parentId)!.push(comment);
+            console.debug(`[SectionComments] Comment ${comment.id?.substring(0, 8)} is a reply to ${parentId.substring(0, 8)} (NIP-22 lowercase e tag)`);
+            break; // Found parent, no need to check other e tags
+          }
+        }
+        
+        if (!isReply) {
+          // Has lowercase e tag but doesn't reference any comment in our set
+          // This might be a root comment that references an external event, or malformed
+          rootComments.push(comment);
+          console.debug(`[SectionComments] Comment ${comment.id?.substring(0, 8)} is a root comment (lowercase e tag references external event)`);
+        }
       } else {
-        // This is a root comment (no reply tag)
+        // No lowercase e tags - this is a root comment
         rootComments.push(comment);
+        console.debug(`[SectionComments] Comment ${comment.id?.substring(0, 8)} is a root comment (no lowercase e tags)`);
       }
     }
 
+    console.debug(`[SectionComments] Thread structure: ${rootComments.length} root comments, ${repliesByParent.size} reply groups`);
+    // AI-NOTE: Log reply details for debugging
+    for (const [parentId, replies] of repliesByParent.entries()) {
+      console.debug(`[SectionComments] Parent ${parentId.substring(0, 8)} has ${replies.length} replies:`, replies.map(r => r.id?.substring(0, 8)));
+    }
     return { rootComments, repliesByParent };
   }
 
-  let threadStructure = $derived(buildThreadStructure(comments));
+  let threadStructure = $derived.by(() => {
+    const structure = buildThreadStructure(comments);
+    // AI-NOTE: Debug logging when structure changes
+    if (structure.rootComments.length > 0 || comments.length > 0) {
+      console.debug(`[SectionComments] Thread structure updated:`, {
+        totalComments: comments.length,
+        rootComments: structure.rootComments.length,
+        replyGroups: structure.repliesByParent.size,
+        visible,
+      });
+    }
+    return structure;
+  });
 
   /**
    * Count replies for a comment thread
    */
   function countReplies(commentId: string, repliesMap: Map<string, NDKEvent[]>): number {
-    const directReplies = repliesMap.get(commentId) || [];
+    // AI-NOTE: Normalize comment ID for lookup (must match how we stored it)
+    const normalizedCommentId = commentId?.trim().toLowerCase();
+    const directReplies = repliesMap.get(normalizedCommentId) || [];
     let count = directReplies.length;
 
+    // AI-NOTE: Debug logging to track reply counting
+    if (directReplies.length > 0) {
+      console.debug(`[SectionComments] Found ${directReplies.length} direct replies for comment ${normalizedCommentId.substring(0, 8)}`);
+    }
+
     // Recursively count nested replies
     for (const reply of directReplies) {
       count += countReplies(reply.id, repliesMap);
@@ -166,7 +224,21 @@
    * Render nested replies recursively
    */
   function renderReplies(parentId: string, repliesMap: Map<string, NDKEvent[]>, level: number = 0) {
-    const replies = repliesMap.get(parentId) || [];
+    // AI-NOTE: Normalize parent ID for lookup (must match how we stored it)
+    const normalizedParentId = parentId?.trim().toLowerCase();
+    const replies = repliesMap.get(normalizedParentId) || [];
+    
+    // AI-NOTE: Debug logging to track reply rendering
+    if (replies.length > 0) {
+      console.debug(`[SectionComments] Rendering ${replies.length} replies for parent ${normalizedParentId.substring(0, 8)}`);
+    } else {
+      // AI-NOTE: Debug when no replies found - check if map has any entries for similar IDs
+      const allParentIds = Array.from(repliesMap.keys());
+      const similarIds = allParentIds.filter(id => id.substring(0, 8) === normalizedParentId.substring(0, 8));
+      if (similarIds.length > 0) {
+        console.debug(`[SectionComments] No replies found for ${normalizedParentId.substring(0, 8)}, but found similar IDs:`, similarIds.map(id => id.substring(0, 8)));
+      }
+    }
     return replies;
   }
 
@@ -339,8 +411,10 @@
   });
 </script>
 
+<!-- AI-NOTE: Debug info for comment display -->
 {#if visible && threadStructure.rootComments.length > 0}
-  <div class="space-y-1">
+  {console.debug(`[SectionComments] RENDERING: visible=${visible}, rootComments=${threadStructure.rootComments.length}, totalComments=${comments.length}`)}
+  <div class="space-y-1 bg-white dark:bg-gray-800 border border-gray-300 dark:border-gray-600 rounded-lg p-4 shadow-lg">
     {#each threadStructure.rootComments as rootComment (rootComment.id)}
       {@const replyCount = countReplies(rootComment.id, threadStructure.repliesByParent)}
       {@const isExpanded = expandedThreads.has(rootComment.id)}
@@ -602,6 +676,7 @@
 
               <!-- Replies -->
               {#if replyCount > 0}
+                {console.debug(`[SectionComments] Rendering ${replyCount} replies for comment ${rootComment.id?.substring(0, 8)}`)}
                 <div class="pl-4 border-l-2 border-gray-200 dark:border-gray-600 space-y-2">
                   {#each renderReplies(rootComment.id, threadStructure.repliesByParent) as reply (reply.id)}
                     <div class="bg-gray-50 dark:bg-gray-700/30 rounded p-3">

src/lib/components/util/CardActions.svelte

@@ -30,12 +30,14 @@
     event, 
     onDelete, 
     sectionAddress,
-    detailsModalOpen = $bindable(false)
+    detailsModalOpen = $bindable(false),
+    onCommentPosted
   } = $props<{
     event: NDKEvent;
     onDelete?: () => void;
     sectionAddress?: string; // If provided, shows "Comment on section" option
     detailsModalOpen?: boolean; // Bindable prop to control modal from outside
+    onCommentPosted?: () => void; // Callback when a comment is successfully posted
   }>();
 
   const ndk = getNdkContext();
@@ -385,6 +387,16 @@
       }
 
       commentSuccess = true;
+      
+      // AI-NOTE: Trigger callback to refresh comments after successful publish
+      // This allows parent components to refresh their comment displays
+      if (onCommentPosted) {
+        // Delay callback slightly to allow relay indexing
+        setTimeout(() => {
+          onCommentPosted();
+        }, 1000);
+      }
+      
       setTimeout(() => {
         commentModalOpen = false;
         commentSuccess = false;