feat(web): unify web entry, preset config, SSE streaming and dual-pane live logs

src/main/java/com/svnlog/web/service/SettingsService.java

@@ -17,7 +17,7 @@ public class SettingsService {
     public SettingsService(OutputFileService outputFileService, SvnPresetService svnPresetService) {
         this.outputFileService = outputFileService;
         this.svnPresetService = svnPresetService;
-        this.defaultSvnPresetId = svnPresetService.firstPresetId();
+        this.defaultSvnPresetId = svnPresetService.configuredDefaultPresetId();
     }
 
     public Map<String, Object> getSettings() throws IOException {
@@ -26,7 +26,7 @@ public class SettingsService {
         final String activeKey = pickActiveKey(null);
 
         result.put("apiKeyConfigured", activeKey != null && !activeKey.trim().isEmpty());
-        result.put("apiKeySource", runtimeApiKey != null ? "runtime" : (envKey != null ? "env" : "none"));
+        result.put("apiKeySource", detectApiKeySource(envKey));
         result.put("outputDir", outputFileService.getOutputRoot().toString());
         result.put("defaultSvnPresetId", getDefaultSvnPresetId());
         return result;
@@ -58,6 +58,16 @@ public class SettingsService {
         return null;
     }
 
+    private String detectApiKeySource(String envKey) {
+        if (runtimeApiKey != null && !runtimeApiKey.trim().isEmpty()) {
+            return "runtime";
+        }
+        if (envKey != null && !envKey.trim().isEmpty()) {
+            return "env";
+        }
+        return "none";
+    }
+
     public String getDefaultSvnPresetId() {
         if (svnPresetService.containsPresetId(defaultSvnPresetId)) {
             return defaultSvnPresetId;