Integrate semantic cache with ChromaDB URL

src/main.ts

@@ -49,7 +49,11 @@ export default class OllamaPlugin extends Plugin {
       const data = (await this.loadData()) as Partial<PluginSettings> | null;
       if (data) {
         Logger.debug('Loading saved settings', 'settings');
-        this.settings = Object.assign({}, this.settings, data);
+        this.settings = {
+          ...DEFAULT_SETTINGS,
+          ...data,
+          cacheConfig: { ...DEFAULT_SETTINGS.cacheConfig, ...data.cacheConfig },
+        };
       }
     } catch (error) {
       ErrorHandler.handleError(error, 'settings load');
@@ -89,6 +93,17 @@ export default class OllamaPlugin extends Plugin {
       }
     });
   }
+
+  public async clearSemanticCache(): Promise<void> {
+    const leaves = this.app.workspace.getLeavesOfType('ollama-chat-view');
+    for (const leaf of leaves) {
+      const view = leaf.view;
+      if (view instanceof ChatView) {
+        await view.clearCache();
+        return;
+      }
+    }
+  }
 }
 
 class OllamaSettingTab extends PluginSettingTab {
@@ -152,6 +167,61 @@ class OllamaSettingTab extends PluginSettingTab {
           this.plugin.notifyChatViews();
         })
       );
+
+    new Setting(container)
+      .setName('ChromaDB URL')
+      .setDesc('URL of your ChromaDB instance (used for semantic cache)')
+      .addText((text) =>
+        text.setValue(this.plugin.settings.cacheConfig.chromaUrl).onChange(async (value) => {
+          this.plugin.settings.cacheConfig.chromaUrl = value;
+          await this.plugin.saveSettings();
+          this.plugin.notifyChatViews();
+        })
+      );
+
+    new Setting(container)
+      .setName('Cache Embedding Model')
+      .setDesc('Ollama model used to generate embeddings for the semantic cache')
+      .addText((text) =>
+        text.setValue(this.plugin.settings.cacheConfig.embeddingModel).onChange(async (value) => {
+          this.plugin.settings.cacheConfig.embeddingModel = value;
+          await this.plugin.saveSettings();
+          this.plugin.notifyChatViews();
+        })
+      );
+
+    new Setting(container)
+      .setName('Cache Similarity Threshold')
+      .setDesc(
+        'Minimum cosine similarity (0–1) for a cache hit. Higher values require closer matches.'
+      )
+      .addText((text) =>
+        text
+          .setValue(String(this.plugin.settings.cacheConfig.similarityThreshold))
+          .onChange(async (value) => {
+            const parsed = parseFloat(value);
+            if (!isNaN(parsed) && parsed >= 0 && parsed <= 1) {
+              this.plugin.settings.cacheConfig.similarityThreshold = parsed;
+              await this.plugin.saveSettings();
+            } else {
+              new Notice('Similarity threshold must be a number between 0 and 1.');
+            }
+          })
+      );
+
+    new Setting(container)
+      .setName('Clear Semantic Cache')
+      .setDesc('Delete all cached responses from ChromaDB')
+      .addButton((button) =>
+        button.setButtonText('Clear Cache').onClick(async () => {
+          try {
+            await this.plugin.clearSemanticCache();
+            new Notice('Semantic cache cleared.');
+          } catch {
+            new Notice('Failed to clear semantic cache. Is ChromaDB running?');
+          }
+        })
+      );
   }
 
   hide(): void {