feat(cleaner): record all material operations in database, including successful deletions

Previously only skipped and failed materials were persisted. Now every
material (deleted, uncertain, skipped, failed) is recorded in
CleanerMaterialDetail for full audit traceability.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/main/services/erp/cleaner.ts

@@ -758,6 +758,7 @@ export class CleanerService {
         materialsSkipped: 0,
         errors: [],
         skippedMaterials: [],
+        deletedMaterials: [],
         retryCount: 0,
         retryAttempts: [],
         retriedAt: undefined,
@@ -925,6 +926,12 @@ export class CleanerService {
                 deleteResult.outcome === DeletionOutcome.Uncertain
               ) {
                 detail.materialsDeleted += 1
+                detail.deletedMaterials.push({
+                  materialCode,
+                  materialName,
+                  rowNumber: rowNumInt,
+                  outcome: deleteResult.outcome
+                })
                 if (deleteResult.outcome === DeletionOutcome.Uncertain) {
                   detail.uncertainDeletions += 1
                 }
@@ -1106,6 +1113,7 @@ export class CleanerService {
       materialsSkipped: 0,
       errors: [message],
       skippedMaterials: [],
+      deletedMaterials: [],
       retryCount: 0,
       retryAttempts: [],
       retriedAt: undefined,