Add explicit project device sync

tests/circuit-write.rules.test.ts

@@ -599,4 +599,34 @@ describe("circuit write service rules", () => {
       (db as unknown as { transaction: unknown }).transaction = originalTransaction;
     }
   });
+
+  it("tracks local edits on linked device rows as overridden fields", async () => {
+    let savedOverrides: string | undefined;
+    const current = {
+      id: "r1",
+      circuitId: "c1",
+      linkedProjectDeviceId: "pd1",
+      name: "Luminaire",
+      displayName: "Local name",
+      quantity: 1,
+      powerPerUnit: 0.1,
+      simultaneityFactor: 1,
+      sortOrder: 10,
+      overriddenFields: null,
+    };
+    const service = new CircuitWriteService({
+      deviceRowRepository: {
+        async findById() {
+          return current as never;
+        },
+        async update(_rowId: string, input: { overriddenFields?: string }) {
+          savedOverrides = input.overriddenFields;
+        },
+      } as never,
+    });
+
+    await service.updateDeviceRow("r1", { quantity: 2 });
+
+    assert.deepEqual(JSON.parse(savedOverrides ?? "[]"), ["quantity"]);
+  });
 });