fix(capture): preserve canvas tab indentation on configured writes (#1125)

Author: chhoumann

src/engine/canvasCapture.test.ts

@@ -285,6 +285,8 @@ describe("canvasCapture", () => {
 		};
 		expect(updated.nodes[0].id).toBe("t1");
 		expect(updated.nodes[0].text).toBe("Updated");
+		expect(modified).toContain('\t"nodes": [');
+		expect(modified).not.toContain('  "nodes": [');
 	});
 
 	it("aborts configured text-node write when canvas changed concurrently", async () => {

src/engine/canvasCapture.ts

@@ -455,6 +455,6 @@ export async function setCanvasTextCaptureContent(
 	target.canvasData.nodes[target.nodeIndex] = target.nodeData;
 	await app.vault.modify(
 		target.canvasFile,
-		JSON.stringify(target.canvasData, null, 2),
+		JSON.stringify(target.canvasData, null, "\t"),
 	);
 }