solr fix

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

@@ -720,7 +720,16 @@ public class SolrService {
                 throw e;
             }
 
-            logger.info("Successfully cleared all documents from both cores");
+            // Clear collections core
+            try {
+                solrClient.deleteByQuery(properties.getCores().getCollections(), "*:*",
+                    properties.getCommit().getCommitWithin());
+                logger.info("Cleared all documents from collections core");
+            } catch (Exception e) {
+                logger.warn("Failed to clear collections core (may not exist yet): {}", e.getMessage());
+            }
+
+            logger.info("Successfully cleared all documents from Solr cores");
 
         } catch (Exception e) {
             logger.error("Failed to clear all documents", e);
@@ -1384,9 +1393,33 @@ public class SolrService {
     }
 
     public void recreateCores() throws IOException {
-        logger.warn("Solr core recreation not supported through API - cores must be managed via Solr admin");
-        // Note: Core recreation in Solr requires admin API calls that are typically done
-        // through the Solr admin interface or by restarting with fresh cores
+        List<String> coreNames = Arrays.asList(
+            properties.getCores().getStories(),
+            properties.getCores().getAuthors(),
+            properties.getCores().getCollections()
+        );
+
+        for (String coreName : coreNames) {
+            try {
+                logger.info("Recreating Solr core: {}", coreName);
+
+                // Unload the core and delete all index data
+                org.apache.solr.client.solrj.request.CoreAdminRequest.unloadCore(
+                    coreName, true, true, solrClient);
+                logger.info("Unloaded core: {}", coreName);
+
+                // Recreate the core from its configset (same name as the core)
+                org.apache.solr.client.solrj.request.CoreAdminRequest.Create createReq =
+                    new org.apache.solr.client.solrj.request.CoreAdminRequest.Create();
+                createReq.setCoreName(coreName);
+                createReq.setConfigSet(coreName);
+                createReq.process(solrClient);
+                logger.info("Recreated core: {}", coreName);
+
+            } catch (SolrServerException e) {
+                logger.warn("Could not recreate core {} (may not exist yet): {}", coreName, e.getMessage());
+            }
+        }
     }
 
     public void recreateIndices() throws IOException {