feat: enhance local knowledge retrieval

src/main/knowledge/embedding-provider-key.ts

@@ -0,0 +1,21 @@
+import { createHash } from 'node:crypto'
+
+export interface EmbeddingProviderIdentity {
+  readonly provider: string
+  readonly fingerprint?: string
+}
+
+export function embeddingStorageProvider(
+  provider: EmbeddingProviderIdentity
+): string {
+  const name = provider.provider.trim()
+  const fingerprint = provider.fingerprint?.trim()
+  if (!fingerprint) {
+    return name
+  }
+  const digest = createHash('sha256')
+    .update(fingerprint)
+    .digest('hex')
+    .slice(0, 32)
+  return `${name.slice(0, 80)}@${digest}`
+}