Add semantic cache support using ChromaDB

src/main.ts

@@ -141,6 +141,17 @@ class OllamaSettingTab extends PluginSettingTab {
           }
         })
       );
+
+    new Setting(container)
+      .setName('Enable Semantic Cache')
+      .setDesc('Cache responses semantically to speed up repeated queries')
+      .addToggle((toggle) =>
+        toggle.setValue(this.plugin.settings.cacheConfig.enabled).onChange(async (value) => {
+          this.plugin.settings.cacheConfig.enabled = value;
+          await this.plugin.saveSettings();
+          this.plugin.notifyChatViews();
+        })
+      );
   }
 
   hide(): void {