set up embedding normalization

src/services/llm/embeddings/base_embeddings.ts

@@ -1,4 +1,5 @@
 import type { EmbeddingProvider, EmbeddingConfig, NoteEmbeddingContext } from './embeddings_interface.js';
+import { NormalizationStatus } from './embeddings_interface.js';
 import log from "../../log.js";
 import { LLM_CONSTANTS } from "../../../routes/api/llm.js";
 import options from "../../options.js";
@@ -23,6 +24,15 @@ export abstract class BaseEmbeddingProvider implements EmbeddingProvider {
         return { ...this.config };
     }
 
+    /**
+     * Get the normalization status of this provider
+     * Default implementation returns the status from config if available,
+     * otherwise returns UNKNOWN status
+     */
+    getNormalizationStatus(): NormalizationStatus {
+        return this.config.normalizationStatus || NormalizationStatus.UNKNOWN;
+    }
+
     getDimension(): number {
         return this.config.dimension;
     }