fix: audit only newly created durable search definitions

src/search/search-service.ts

@@ -37,19 +37,18 @@ const ENVELOPE_MAPPINGS: Record<string, unknown> = {
 export class SearchService {
   private readonly definitions = new Map<string, SearchIndexDefinition>();
   private readonly lineage?: LineageEmitter;
+  private readonly aud0?: Aud0Client;
   private readonly definitionRepository?: SearchDefinitionRepository;
 
   constructor(
     private readonly adapter: OpenSearchAdapter,
     opts?: { aud0Client?: Aud0Client; definitionRepository?: SearchDefinitionRepository },
   ) {
+    this.aud0 = opts?.aud0Client;
     this.lineage = opts?.aud0Client ? new LineageEmitter(opts.aud0Client) : undefined;
     this.definitionRepository = opts?.definitionRepository;
   }
 
-  // ---------------------------------------------------------------------
-  // Index definitions
-  // ---------------------------------------------------------------------
   private validateDefinition(def: SearchIndexDefinition): void {
     if (!def.index_name?.trim() || !/^[a-z0-9][a-z0-9_-]{0,62}$/i.test(def.index_name)) {
       throw new SiaxError("INVALID_REQUEST", "0pt.search", "index_name must be 1-63 letters, digits, _ or -");
@@ -92,12 +91,38 @@ export class SearchService {
     return copy;
   }
 
-  /** Production registration: versioned durable write followed by cache refresh. */
+  /** Production registration: durable versioned write, one stable audit event, then cache refresh. */
   async registerIndexDefinitionDurable(def: SearchIndexDefinition, actorId?: string): Promise<SearchIndexDefinition> {
     this.validateDefinition(def);
     if (!this.definitionRepository) return this.registerIndexDefinition(def);
     const stored = await this.definitionRepository.save(def, actorId);
-    return this.registerIndexDefinition(stored);
+    const registered = this.registerIndexDefinition(stored.definition);
+    if (stored.created && this.aud0) {
+      const id = `search-definition:${registered.index_name}:v${registered.version}`;
+      await this.aud0.ingestEvent({
+        event_id: `evt_0pt_${id}`,
+        event_type: "0pt.search_definition_registered",
+        tenant_id: "t_platform",
+        project_id: "p_platform",
+        actor_id: stored.created_by ?? actorId ?? "system",
+        app_id: "0pt",
+        capability_id: "0pt.search.definition.register.v1",
+        resource_type: "search_index_definition",
+        resource_id: `${registered.index_name}@${registered.version}`,
+        risk_level: "L2",
+        result: "success",
+        payload: {
+          index_name: registered.index_name,
+          version: registered.version,
+          fields: Object.keys(registered.fields).sort(),
+          default_search_fields: registered.default_search_fields,
+        },
+        created_at: stored.created_at,
+        occurred_at: stored.created_at,
+        idempotency_key: id,
+      });
+    }
+    return registered;
   }
 
   getIndexDefinition(indexName: string): SearchIndexDefinition {
@@ -269,8 +294,6 @@ export class SearchService {
       await flush();
       await this.adapter.refresh(physical);
     } catch (error) {
-      // Best-effort cleanup of an incomplete generation. Preserve the original
-      // failure even if cleanup itself fails.
       await this.adapter.deleteIndex(physical).catch(() => undefined);
       throw error;
     }