diff --git a/src/app/(protected)/workorders/_components/detail/use-slide-over-edit-state.ts b/src/app/(protected)/workorders/_components/detail/use-slide-over-edit-state.ts
index 4d9be588..4fe4a6b1 100644
--- a/src/app/(protected)/workorders/_components/detail/use-slide-over-edit-state.ts
+++ b/src/app/(protected)/workorders/_components/detail/use-slide-over-edit-state.ts
@@ -7,7 +7,7 @@ import {
   buildSlideOverPatch,
   isSlideOverDraftDirty,
 } from "@/domain/work-orders/utils/slide-over-draft";
-import { notifyVendorAssignedIfPatched } from "@/domain/work-orders/utils/work-order-feedback-toasts";
+import { notifySlideOverSaveSuccess } from "@/domain/work-orders/utils/work-order-feedback-toasts";
 import {
   isWorkOrderCoreLocked,
   isWorkOrderFullyLocked,
@@ -117,7 +117,7 @@ export function useSlideOverEditState({
     }
     onSave(row.id, patch, {
       onSuccess: () => {
-        notifyVendorAssignedIfPatched(patch);
+        notifySlideOverSaveSuccess(patch);
         setBaseline(activeDraft);
         setEditing(false);
         setShowUnsaved(false);
diff --git a/src/domain/work-orders/use-cases/use-work-order-table-mutations.ts b/src/domain/work-orders/use-cases/use-work-order-table-mutations.ts
index 9b27e18b..713ccd84 100644
--- a/src/domain/work-orders/use-cases/use-work-order-table-mutations.ts
+++ b/src/domain/work-orders/use-cases/use-work-order-table-mutations.ts
@@ -159,12 +159,9 @@ export function useWorkOrderTableMutations(
   });
 
   const patchField: WorkOrderTablePatchFn = (id, patch, options) => {
-    patchMutation.mutate(
-      { id, patch },
-      {
-        onSuccess: () => options?.onSuccess?.(),
-        onError: (error) => options?.onError?.(error),
-      },
+    void patchMutation.mutateAsync({ id, patch }).then(
+      () => options?.onSuccess?.(),
+      (error: Error) => options?.onError?.(error),
     );
   };
 
diff --git a/src/domain/work-orders/utils/work-order-feedback-toasts.ts b/src/domain/work-orders/utils/work-order-feedback-toasts.ts
index 9477b24b..95f202bc 100644
--- a/src/domain/work-orders/utils/work-order-feedback-toasts.ts
+++ b/src/domain/work-orders/utils/work-order-feedback-toasts.ts
@@ -16,14 +16,14 @@ export function workOrderCanceledMessage(woNumber: string) {
   return `Work order #${woNumber} canceled.`;
 }
 
-/**
- * AAP Work Orders board has no vendor-assign toast (bundle audit 2026-08-26).
- * SH-119 names that silence as the gap to close; this copy is WO-specific.
- */
 export function vendorAssignedMessage() {
   return "Vendor assigned";
 }
 
+export function workOrderSavedMessage() {
+  return "Work order saved successfully";
+}
+
 export function notifyWorkOrderCanceled(woNumber: string) {
   toast.warning(workOrderCanceledMessage(woNumber));
 }
@@ -32,12 +32,26 @@ export function notifyVendorAssigned() {
   toast.success(vendorAssignedMessage());
 }
 
-export function isVendorAssignmentPatch(patch: WorkOrderTablePatch): boolean {
-  return Object.prototype.hasOwnProperty.call(patch, "vendorId");
+export function notifyWorkOrderSaved() {
+  toast.success(workOrderSavedMessage());
 }
 
-export function notifyVendorAssignedIfPatched(patch: WorkOrderTablePatch) {
-  if (isVendorAssignmentPatch(patch)) notifyVendorAssigned();
+function isAssignedVendorId(vendorId: unknown): boolean {
+  return vendorId != null && String(vendorId).trim() !== "";
+}
+
+export function isVendorAssignmentPatch(patch: WorkOrderTablePatch): boolean {
+  return (
+    Object.prototype.hasOwnProperty.call(patch, "vendorId") && isAssignedVendorId(patch.vendorId)
+  );
+}
+
+export function notifySlideOverSaveSuccess(patch: WorkOrderTablePatch) {
+  if (isVendorAssignmentPatch(patch)) {
+    notifyVendorAssigned();
+    return;
+  }
+  notifyWorkOrderSaved();
 }
 
 export function patchWorkOrderAsCanceled(
@@ -53,7 +67,6 @@ export function patchWorkOrderAsCanceled(
   );
 }
 
-/** AAP completes via document generate toast, not a dedicated Complete WO toast. */
 export function patchWorkOrderAsCompleted(patchField: PersistPatchFn, id: string | number) {
   patchField(id, { status: "Completed" });
 }
@@ -63,5 +76,9 @@ export function applyVendorTableSave(
   id: string | number,
   fields: VendorAssignmentFields,
 ) {
-  onPatch(id, toVendorTablePatch(fields), { onSuccess: notifyVendorAssigned });
+  onPatch(
+    id,
+    toVendorTablePatch(fields),
+    isAssignedVendorId(fields.vendorId) ? { onSuccess: notifyVendorAssigned } : undefined,
+  );
 }
diff --git a/src/test/app/(protected)/workorders/use-slide-over-edit-state-completed.test.tsx b/src/test/app/(protected)/workorders/use-slide-over-edit-state-completed.test.tsx
index 29279245..1245a22f 100644
--- a/src/test/app/(protected)/workorders/use-slide-over-edit-state-completed.test.tsx
+++ b/src/test/app/(protected)/workorders/use-slide-over-edit-state-completed.test.tsx
@@ -3,7 +3,10 @@ import { beforeEach, describe, expect, it, vi } from "vitest";
 import { toast } from "react-toastify";
 import { useSlideOverEditState } from "@/app/(protected)/workorders/_components/detail/use-slide-over-edit-state";
 import type { WorkOrderTableRow } from "@/domain/work-orders/types/work-order-table-row";
-import { vendorAssignedMessage } from "@/domain/work-orders/utils/work-order-feedback-toasts";
+import {
+  vendorAssignedMessage,
+  workOrderSavedMessage,
+} from "@/domain/work-orders/utils/work-order-feedback-toasts";
 
 vi.mock("react-toastify", () => ({
   toast: {
@@ -138,9 +141,10 @@ describe("useSlideOverEditState completed lock", () => {
       options.onSuccess();
     });
     expect(toast.success).toHaveBeenCalledWith(vendorAssignedMessage());
+    expect(toast.success).toHaveBeenCalledTimes(1);
   });
 
-  it("does not toast on slide-over save when vendorId did not change", () => {
+  it("toasts generic save after a successful non-vendor slide-over patch", () => {
     const onSave = vi.fn();
     const open = baseRow();
 
@@ -167,6 +171,7 @@ describe("useSlideOverEditState completed lock", () => {
     act(() => {
       options.onSuccess();
     });
-    expect(toast.success).not.toHaveBeenCalled();
+    expect(toast.success).toHaveBeenCalledWith(workOrderSavedMessage());
+    expect(toast.success).not.toHaveBeenCalledWith(vendorAssignedMessage());
   });
 });
diff --git a/src/test/app/(protected)/workorders/use-work-orders-list-page-sh-119.test.ts b/src/test/app/(protected)/workorders/use-work-orders-list-page-cancel-toast.test.ts
similarity index 98%
rename from src/test/app/(protected)/workorders/use-work-orders-list-page-sh-119.test.ts
rename to src/test/app/(protected)/workorders/use-work-orders-list-page-cancel-toast.test.ts
index 08973f0c..73007eea 100644
--- a/src/test/app/(protected)/workorders/use-work-orders-list-page-sh-119.test.ts
+++ b/src/test/app/(protected)/workorders/use-work-orders-list-page-cancel-toast.test.ts
@@ -77,7 +77,7 @@ import { useWorkOrdersListPage } from "@/app/(protected)/workorders/_hooks/use-w
 
 const row = { id: 77, woNumber: "WO-77" } as WorkOrderTableRow;
 
-describe("useWorkOrdersListPage SH-119 toasts", () => {
+describe("useWorkOrdersListPage cancel toast", () => {
   beforeEach(() => {
     vi.clearAllMocks();
   });
diff --git a/src/test/app/(protected)/workorders/wo-table-row-service-cells-vendor-toast.test.tsx b/src/test/app/(protected)/workorders/wo-table-row-service-cells-vendor-toast.test.tsx
index 77d5801e..7b4653cc 100644
--- a/src/test/app/(protected)/workorders/wo-table-row-service-cells-vendor-toast.test.tsx
+++ b/src/test/app/(protected)/workorders/wo-table-row-service-cells-vendor-toast.test.tsx
@@ -42,7 +42,7 @@ vi.mock("@/app/(protected)/workorders/_components/list/table/cells/vendor-cell",
 
 const row = { id: 7, upliftSummary: { hasUplift: false, pendingCount: 0 } } as WorkOrderTableRow;
 
-describe("WoTableRowServiceCells vendor persist (SH-119)", () => {
+describe("WoTableRowServiceCells vendor persist", () => {
   it("forwards vendor save through patch onSuccess instead of onPatchRow", () => {
     const onPatch = vi.fn();
     const onPatchRow = vi.fn();
diff --git a/src/test/domain/work-orders/use-cases/use-work-order-table-mutations.test.tsx b/src/test/domain/work-orders/use-cases/use-work-order-table-mutations.test.tsx
index 7cb81232..68b694fe 100644
--- a/src/test/domain/work-orders/use-cases/use-work-order-table-mutations.test.tsx
+++ b/src/test/domain/work-orders/use-cases/use-work-order-table-mutations.test.tsx
@@ -485,3 +485,55 @@ describe("useWorkOrderTableMutations vendor assignment round-trip", () => {
     expect(getClosabilityGaps(tableRowToClosabilityInput(returnedRow))).toContain("Company");
   });
 });
+
+describe("useWorkOrderTableMutations patchField success callbacks", () => {
+  beforeEach(() => {
+    getById.mockReset();
+    update.mockReset();
+    patchBoardField.mockReset();
+  });
+
+  it("invokes each onSuccess when two work orders overlap", async () => {
+    const rows = new Map<string, WorkOrderTableRow>([
+      ["1", { ...BASE_ROW, id: 1, rowVersion: "v1" }],
+      ["2", { ...BASE_ROW, id: 2, rowVersion: "v2" }],
+    ]);
+
+    let releaseFirst: () => void = () => undefined;
+    const firstGate = new Promise<void>((resolve) => {
+      releaseFirst = resolve;
+    });
+
+    patchBoardField.mockImplementation(async (id: unknown) => {
+      if (String(id) === "1") await firstGate;
+      const current = rows.get(String(id));
+      if (!current) throw new Error("missing row");
+      const next = { ...current, rowVersion: `${current.rowVersion}-n` };
+      rows.set(String(id), next);
+      return next;
+    });
+
+    const onSuccessFirst = vi.fn();
+    const onSuccessSecond = vi.fn();
+    const { result } = renderHook(
+      () =>
+        useWorkOrderTableMutations({
+          onPatch: () => undefined,
+          clearPatch: () => undefined,
+          getRow: (id) => rows.get(String(id)),
+        }),
+      { wrapper: makeWrapper() },
+    );
+
+    act(() => {
+      result.current.patchField(1, { dispatcherId: "d2" }, { onSuccess: onSuccessFirst });
+      result.current.patchField(2, { dispatcherId: "d3" }, { onSuccess: onSuccessSecond });
+    });
+
+    await waitFor(() => expect(onSuccessSecond).toHaveBeenCalledTimes(1));
+    expect(onSuccessFirst).not.toHaveBeenCalled();
+
+    releaseFirst();
+    await waitFor(() => expect(onSuccessFirst).toHaveBeenCalledTimes(1));
+  });
+});
diff --git a/src/test/domain/work-orders/utils/work-order-feedback-toasts.test.ts b/src/test/domain/work-orders/utils/work-order-feedback-toasts.test.ts
index 80623aa2..ea1b7a5f 100644
--- a/src/test/domain/work-orders/utils/work-order-feedback-toasts.test.ts
+++ b/src/test/domain/work-orders/utils/work-order-feedback-toasts.test.ts
@@ -4,12 +4,13 @@ import { toVendorTablePatch } from "@/domain/work-orders/utils/vendor-assignment
 import {
   applyVendorTableSave,
   isVendorAssignmentPatch,
+  notifySlideOverSaveSuccess,
   notifyVendorAssigned,
-  notifyVendorAssignedIfPatched,
   patchWorkOrderAsCanceled,
   patchWorkOrderAsCompleted,
   vendorAssignedMessage,
   workOrderCanceledMessage,
+  workOrderSavedMessage,
 } from "@/domain/work-orders/utils/work-order-feedback-toasts";
 
 vi.mock("react-toastify", () => ({
@@ -20,12 +21,12 @@ vi.mock("react-toastify", () => ({
   },
 }));
 
-describe("work-order-feedback-toasts (SH-119)", () => {
+describe("work-order-feedback-toasts", () => {
   beforeEach(() => {
     vi.clearAllMocks();
   });
 
-  it("builds the AAP cancel copy with the work order number", () => {
+  it("builds the cancel copy with the work order number", () => {
     expect(workOrderCanceledMessage("20260819001")).toBe("Work order #20260819001 canceled.");
   });
 
@@ -40,20 +41,13 @@ describe("work-order-feedback-toasts (SH-119)", () => {
     );
     expect(toast.warning).not.toHaveBeenCalled();
 
-    const { onSuccess } = patchField.mock.calls[0][2] as { onSuccess: () => void };
-    onSuccess();
+    const options = patchField.mock.calls[0][2] as { onSuccess: () => void; onError?: unknown };
+    expect(options.onError).toBeUndefined();
+    options.onSuccess();
     expect(toast.warning).toHaveBeenCalledWith("Work order #20260819001 canceled.");
     expect(toast.success).not.toHaveBeenCalled();
   });
 
-  it("does not warn when the cancel patch reports onError", () => {
-    const patchField = vi.fn();
-    patchWorkOrderAsCanceled(patchField, { id: 42, woNumber: "20260819001" });
-    const options = patchField.mock.calls[0][2] as { onSuccess?: () => void; onError?: () => void };
-    options.onError?.(new Error("conflict"));
-    expect(toast.warning).not.toHaveBeenCalled();
-  });
-
   it("toasts vendor assignment only after persist onSuccess", () => {
     const onPatch = vi.fn();
     const fields = {
@@ -77,18 +71,55 @@ describe("work-order-feedback-toasts (SH-119)", () => {
     expect(toast.warning).not.toHaveBeenCalled();
   });
 
-  it("toasts vendor assignment when a slide-over patch includes vendorId", () => {
-    notifyVendorAssignedIfPatched({ vendorId: "9", dispatcherId: "d1" });
-    expect(toast.success).toHaveBeenCalledWith(vendorAssignedMessage());
-  });
+  it("persists an empty vendor without an assigned toast", () => {
+    const onPatch = vi.fn();
+    const fields = {
+      vendorId: "",
+      company: "",
+      tech: "",
+      techPhone: "",
+    };
+    applyVendorTableSave(onPatch, 7, fields);
 
-  it("does not toast vendor assignment for non-vendor slide-over patches", () => {
-    expect(isVendorAssignmentPatch({ dispatcherId: "d1" })).toBe(false);
-    notifyVendorAssignedIfPatched({ dispatcherId: "d1" });
+    expect(onPatch).toHaveBeenCalledWith(7, toVendorTablePatch(fields), undefined);
     expect(toast.success).not.toHaveBeenCalled();
   });
 
-  it("completes a work order without a success toast (AAP has no Complete WO toast)", () => {
+  it("persists a whitespace vendorId without an assigned toast", () => {
+    const onPatch = vi.fn();
+    const fields = {
+      vendorId: "   ",
+      company: "Gateway",
+      tech: "Pat",
+      techPhone: "555",
+    };
+    applyVendorTableSave(onPatch, 7, fields);
+
+    expect(onPatch).toHaveBeenCalledWith(7, toVendorTablePatch(fields), undefined);
+    expect(toast.success).not.toHaveBeenCalled();
+  });
+
+  it("toasts vendor assignment when a slide-over patch includes a vendor id", () => {
+    notifySlideOverSaveSuccess({ vendorId: "9", dispatcherId: "d1" });
+    expect(toast.success).toHaveBeenCalledTimes(1);
+    expect(toast.success).toHaveBeenCalledWith(vendorAssignedMessage());
+  });
+
+  it("toasts generic save when a slide-over patch has no assigned vendor", () => {
+    expect(isVendorAssignmentPatch({ dispatcherId: "d1" })).toBe(false);
+    notifySlideOverSaveSuccess({ dispatcherId: "d1" });
+    expect(toast.success).toHaveBeenCalledTimes(1);
+    expect(toast.success).toHaveBeenCalledWith(workOrderSavedMessage());
+  });
+
+  it("does not treat an empty vendorId as an assignment", () => {
+    expect(isVendorAssignmentPatch({ vendorId: "" })).toBe(false);
+    notifySlideOverSaveSuccess({ vendorId: "", dispatcherId: "d1" });
+    expect(toast.success).toHaveBeenCalledWith(workOrderSavedMessage());
+    expect(toast.success).not.toHaveBeenCalledWith(vendorAssignedMessage());
+  });
+
+  it("completes a work order without a success toast", () => {
     const patchField = vi.fn();
     patchWorkOrderAsCompleted(patchField, 42);
     expect(patchField).toHaveBeenCalledWith(42, { status: "Completed" });