Fix Tag Filtering

backend/src/main/java/com/storycove/controller/StoryController.java

@@ -206,6 +206,8 @@ public class StoryController {
             @RequestParam(required = false) String sortBy,
             @RequestParam(required = false) String sortDir) {
         
+        logger.info("CONTROLLER DEBUG: Search request - query='{}', tags={}, authors={}", query, tags, authors);
+        
         if (typesenseService != null) {
             SearchResultDto<StorySearchDto> results = typesenseService.searchStories(
                     query, page, size, authors, tags, minRating, maxRating, sortBy, sortDir);

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

@@ -177,6 +177,9 @@ public class TypesenseService {
         try {
             long startTime = System.currentTimeMillis();
             
+            logger.info("SEARCH DEBUG: searchStories called with query='{}', tagFilters={}, authorFilters={}", 
+                       query, tagFilters, authorFilters);
+            
             // Convert 0-based page (frontend/backend) to 1-based page (Typesense)
             int typesensePage = page + 1;
             
@@ -207,9 +210,16 @@ public class TypesenseService {
             }
             
             if (tagFilters != null && !tagFilters.isEmpty()) {
+                logger.info("SEARCH DEBUG: Processing {} tag filters: {}", tagFilters.size(), tagFilters);
                 String tagFilter = tagFilters.stream()
-                    .map(tag -> "tagNames:=" + escapeTypesenseValue(tag))
+                    .map(tag -> {
+                        String escaped = escapeTypesenseValue(tag);
+                        String condition = "tagNames:=" + escaped;
+                        logger.info("SEARCH DEBUG: Tag '{}' -> escaped '{}' -> condition '{}'", tag, escaped, condition);
+                        return condition;
+                    })
                     .collect(Collectors.joining(" || "));
+                logger.info("SEARCH DEBUG: Final tag filter condition: '{}'", tagFilter);
                 filterConditions.add("(" + tagFilter + ")");
             }
             
@@ -222,13 +232,19 @@ public class TypesenseService {
             }
             
             if (!filterConditions.isEmpty()) {
-                searchParameters.filterBy(String.join(" && ", filterConditions));
+                String finalFilter = String.join(" && ", filterConditions);
+                logger.info("SEARCH DEBUG: Final filter condition: '{}'", finalFilter);
+                searchParameters.filterBy(finalFilter);
+            } else {
+                logger.info("SEARCH DEBUG: No filter conditions applied");
             }
             
             SearchResult searchResult = typesenseClient.collections(STORIES_COLLECTION)
                     .documents()
                     .search(searchParameters);
             
+            logger.info("SEARCH DEBUG: Typesense returned {} results", searchResult.getFound());
+            
             List<StorySearchDto> results = convertSearchResult(searchResult);
             long searchTime = System.currentTimeMillis() - startTime;
             
@@ -338,7 +354,10 @@ public class TypesenseService {
             List<String> tagNames = story.getTags().stream()
                     .map(tag -> tag.getName())
                     .collect(Collectors.toList());
+            logger.debug("INDEXING DEBUG: Story '{}' has tags: {}", story.getTitle(), tagNames);
             document.put("tagNames", tagNames);
+        } else {
+            logger.debug("INDEXING DEBUG: Story '{}' has no tags", story.getTitle());
         }
         
         document.put("rating", story.getRating() != null ? story.getRating() : 0);

frontend/src/components/stories/TagFilter.tsx

@@ -11,8 +11,10 @@ interface TagFilterProps {
 export default function TagFilter({ tags, selectedTags, onTagToggle }: TagFilterProps) {
   if (!Array.isArray(tags) || tags.length === 0) return null;
 
-  // Sort tags by usage count (descending) and then alphabetically
-  const sortedTags = [...tags].sort((a, b) => {
+  // Filter out tags with no stories, then sort by usage count (descending) and then alphabetically
+  const sortedTags = [...tags]
+    .filter(tag => (tag.storyCount || 0) > 0)
+    .sort((a, b) => {
       const aCount = a.storyCount || 0;
       const bCount = b.storyCount || 0;
       if (bCount !== aCount) {

frontend/src/lib/api.ts

@@ -268,7 +268,27 @@ export const searchApi = {
     sortBy?: string;
     sortDir?: string;
   }): Promise<SearchResult> => {
-    const response = await api.get('/stories/search', { params });
+    // Create URLSearchParams to properly handle array parameters
+    const searchParams = new URLSearchParams();
+    
+    // Add basic parameters
+    searchParams.append('query', params.query);
+    if (params.page !== undefined) searchParams.append('page', params.page.toString());
+    if (params.size !== undefined) searchParams.append('size', params.size.toString());
+    if (params.minRating !== undefined) searchParams.append('minRating', params.minRating.toString());
+    if (params.maxRating !== undefined) searchParams.append('maxRating', params.maxRating.toString());
+    if (params.sortBy) searchParams.append('sortBy', params.sortBy);
+    if (params.sortDir) searchParams.append('sortDir', params.sortDir);
+    
+    // Add array parameters - each element gets its own parameter
+    if (params.authors && params.authors.length > 0) {
+      params.authors.forEach(author => searchParams.append('authors', author));
+    }
+    if (params.tags && params.tags.length > 0) {
+      params.tags.forEach(tag => searchParams.append('tags', tag));
+    }
+    
+    const response = await api.get(`/stories/search?${searchParams.toString()}`);
     return response.data;
   },
 };