Update coverage reports and improve error handling

src/main.ts

@@ -1,14 +1,9 @@
 import { Plugin, WorkspaceLeaf, App, Setting, Notice, PluginSettingTab } from 'obsidian';
 import { ChatView } from './chat-view';
 import { PluginSettings } from './types';
-import {
-  isValidHttpUrl,
-  validatePluginSettings,
-  validateOllamaUrl,
-  validateModelName,
-  Logger,
-} from './utils';
+import { validatePluginSettings, validateOllamaUrl, validateModelName, Logger } from './utils';
 import { DEFAULT_SETTINGS } from './constants';
+import { ErrorHandler } from './error-handler';
 
 export default class OllamaPlugin extends Plugin {
   settings: PluginSettings = DEFAULT_SETTINGS;
@@ -38,7 +33,7 @@ export default class OllamaPlugin extends Plugin {
           type: 'ollama-chat-view',
           active: true,
         });
-        this.app.workspace.revealLeaf(leaf);
+        await this.app.workspace.revealLeaf(leaf);
       });
     } catch (error) {
       Logger.error('Failed to add ribbon icon: ' + (error as Error).message, 'plugin');
@@ -51,14 +46,12 @@ export default class OllamaPlugin extends Plugin {
 
   async loadSettings() {
     try {
-      const data = await this.loadData();
+      const data = (await this.loadData()) as Partial<PluginSettings> | null;
       if (data) {
         Logger.debug('Loading saved settings', 'settings');
         this.settings = Object.assign({}, this.settings, data);
       }
     } catch (error) {
-      // Use centralized error handling
-      const { ErrorHandler } = await import('./error-handler');
       ErrorHandler.handleError(error, 'settings load');
     }
   }
@@ -81,8 +74,6 @@ export default class OllamaPlugin extends Plugin {
       Logger.info('Settings saved successfully', 'settings');
       return true;
     } catch (error) {
-      // Use centralized error handling
-      const { ErrorHandler } = await import('./error-handler');
       ErrorHandler.handleError(error, 'settings save');
       return false;
     }
@@ -92,8 +83,8 @@ export default class OllamaPlugin extends Plugin {
   public notifyChatViews(): void {
     const leaves = this.app.workspace.getLeavesOfType('ollama-chat-view');
     leaves.forEach((leaf) => {
-      const view = leaf.view as ChatView;
-      if (view && view.onSettingsChange) {
+      const view = leaf.view;
+      if (view instanceof ChatView) {
         view.onSettingsChange(this.settings);
       }
     });