Correct tag facets handling

backend/src/main/java/com/storycove/dto/FacetCountDto.java

@@ -0,0 +1,31 @@
+package com.storycove.dto;
+
+public class FacetCountDto {
+    
+    private String value;
+    private int count;
+    
+    public FacetCountDto() {}
+    
+    public FacetCountDto(String value, int count) {
+        this.value = value;
+        this.count = count;
+    }
+    
+    // Getters and Setters
+    public String getValue() {
+        return value;
+    }
+    
+    public void setValue(String value) {
+        this.value = value;
+    }
+    
+    public int getCount() {
+        return count;
+    }
+    
+    public void setCount(int count) {
+        this.count = count;
+    }
+}

backend/src/main/java/com/storycove/dto/SearchResultDto.java

@@ -1,6 +1,7 @@
 package com.storycove.dto;
 
 import java.util.List;
+import java.util.Map;
 
 public class SearchResultDto<T> {
     
@@ -10,6 +11,7 @@ public class SearchResultDto<T> {
     private int perPage;
     private String query;
     private long searchTimeMs;
+    private Map<String, List<FacetCountDto>> facets;
     
     public SearchResultDto() {}
     
@@ -22,6 +24,16 @@ public class SearchResultDto<T> {
         this.searchTimeMs = searchTimeMs;
     }
     
+    public SearchResultDto(List<T> results, long totalHits, int page, int perPage, String query, long searchTimeMs, Map<String, List<FacetCountDto>> facets) {
+        this.results = results;
+        this.totalHits = totalHits;
+        this.page = page;
+        this.perPage = perPage;
+        this.query = query;
+        this.searchTimeMs = searchTimeMs;
+        this.facets = facets;
+    }
+    
     // Getters and Setters
     public List<T> getResults() {
         return results;
@@ -70,4 +82,12 @@ public class SearchResultDto<T> {
     public void setSearchTimeMs(long searchTimeMs) {
         this.searchTimeMs = searchTimeMs;
     }
+    
+    public Map<String, List<FacetCountDto>> getFacets() {
+        return facets;
+    }
+    
+    public void setFacets(Map<String, List<FacetCountDto>> facets) {
+        this.facets = facets;
+    }
 }

backend/src/main/java/com/storycove/service/TypesenseService.java

@@ -1,6 +1,7 @@
 package com.storycove.service;
 
 import com.storycove.dto.AuthorSearchDto;
+import com.storycove.dto.FacetCountDto;
 import com.storycove.dto.SearchResultDto;
 import com.storycove.dto.StorySearchDto;
 import com.storycove.entity.Author;
@@ -227,6 +228,8 @@ public class TypesenseService {
                     .highlightFields("title,description")
                     .highlightStartTag("<mark>")
                     .highlightEndTag("</mark>")
+                    .facetBy("tagNames,authorName,rating")
+                    .maxFacetValues(100)
                     .sortBy(buildSortParameter(normalizedQuery, sortBy, sortDir));
             
             // Add filters
@@ -268,6 +271,7 @@ public class TypesenseService {
             
             
             List<StorySearchDto> results = convertSearchResult(searchResult);
+            Map<String, List<FacetCountDto>> facets = processFacetCounts(searchResult);
             long searchTime = System.currentTimeMillis() - startTime;
             
             return new SearchResultDto<>(
@@ -276,7 +280,8 @@ public class TypesenseService {
                     page,
                     perPage,
                     query,
-                    searchTime
+                    searchTime,
+                    facets
             );
             
         } catch (Exception e) {
@@ -391,6 +396,45 @@ public class TypesenseService {
         return document;
     }
     
+    @SuppressWarnings("unchecked")
+    private Map<String, List<FacetCountDto>> processFacetCounts(SearchResult searchResult) {
+        Map<String, List<FacetCountDto>> facetMap = new HashMap<>();
+        
+        if (searchResult.getFacetCounts() != null) {
+            for (FacetCounts facetCounts : searchResult.getFacetCounts()) {
+                String fieldName = facetCounts.getFieldName();
+                List<FacetCountDto> facetValues = new ArrayList<>();
+                
+                if (facetCounts.getCounts() != null) {
+                    for (Object countObj : facetCounts.getCounts()) {
+                        if (countObj instanceof Map) {
+                            Map<String, Object> countMap = (Map<String, Object>) countObj;
+                            String value = (String) countMap.get("value");
+                            Integer count = (Integer) countMap.get("count");
+                            
+                            if (value != null && count != null && count > 0) {
+                                facetValues.add(new FacetCountDto(value, count));
+                            }
+                        }
+                    }
+                }
+                
+                if (!facetValues.isEmpty()) {
+                    // Sort by count descending, then by value ascending
+                    facetValues.sort((a, b) -> {
+                        int countCompare = Integer.compare(b.getCount(), a.getCount());
+                        if (countCompare != 0) return countCompare;
+                        return a.getValue().compareToIgnoreCase(b.getValue());
+                    });
+                    
+                    facetMap.put(fieldName, facetValues);
+                }
+            }
+        }
+        
+        return facetMap;
+    }
+    
     @SuppressWarnings("unchecked")
     private List<StorySearchDto> convertSearchResult(SearchResult searchResult) {
         return searchResult.getHits().stream()

frontend/src/app/library/page.tsx

@@ -2,7 +2,7 @@
 
 import { useState, useEffect } from 'react';
 import { searchApi } from '../../lib/api';
-import { Story, Tag } from '../../types/api';
+import { Story, Tag, FacetCount } from '../../types/api';
 import AppLayout from '../../components/layout/AppLayout';
 import { Input } from '../../components/ui/Input';
 import Button from '../../components/ui/Button';
@@ -29,24 +29,16 @@ export default function LibraryPage() {
 
 
 
-  // Extract tags from current search results with counts
-  const extractTagsFromResults = (stories: Story[]): Tag[] => {
-    const tagCounts: { [key: string]: number } = {};
+  // Convert facet counts to Tag objects for the UI
+  const convertFacetsToTags = (facets?: Record<string, FacetCount[]>): Tag[] => {
+    if (!facets || !facets.tagNames) {
+      return [];
+    }
     
-    stories.forEach(story => {
-      story.tagNames?.forEach(tagName => {
-        if (tagCounts[tagName]) {
-          tagCounts[tagName]++;
-        } else {
-          tagCounts[tagName] = 1;
-        }
-      });
-    });
-    
-    return Object.entries(tagCounts).map(([tagName, count]) => ({
-      id: tagName, // Use tag name as ID since we don't have actual IDs from search results
-      name: tagName,
-      storyCount: count
+    return facets.tagNames.map(facet => ({
+      id: facet.value, // Use tag name as ID since we don't have actual IDs from search results
+      name: facet.value,
+      storyCount: facet.count
     }));
   };
 
@@ -72,8 +64,8 @@ export default function LibraryPage() {
           setTotalPages(Math.ceil((result?.totalHits || 0) / 20));
           setTotalElements(result?.totalHits || 0);
           
-          // Always update tags based on current search results (including initial wildcard search)
-          const resultTags = extractTagsFromResults(currentStories);
+          // Update tags from facets - these represent all matching stories, not just current page
+          const resultTags = convertFacetsToTags(result?.facets);
           setTags(resultTags);
         } catch (error) {
           console.error('Failed to load stories:', error);

frontend/src/types/api.ts

@@ -58,6 +58,11 @@ export interface AuthResponse {
   expiresIn: number;
 }
 
+export interface FacetCount {
+  value: string;
+  count: number;
+}
+
 export interface SearchResult {
   results: Story[];
   totalHits: number;
@@ -65,6 +70,7 @@ export interface SearchResult {
   perPage: number;
   query: string;
   searchTimeMs: number;
+  facets?: Record<string, FacetCount[]>;
 }
 
 export interface PagedResult<T> {