feat: add config for kanban columns

src/projectConfig/serializeProjectConfig.test.ts

@@ -4,7 +4,10 @@ import { serializeProjectConfig } from "./serializeProjectConfig";
 
 describe("serializeProjectConfig", () => {
 	it("round-trips tags", () => {
-		const yaml = serializeProjectConfig({ tags: ["bug", "docs"] });
+		const yaml = serializeProjectConfig({
+			tags: ["bug", "docs"],
+			shownHiddenColumns: [],
+		});
 		expect(yaml).toContain("bug");
 		expect(yaml).toContain("docs");
 		const parsed = parseProjectConfig(yaml);
@@ -14,10 +17,33 @@ describe("serializeProjectConfig", () => {
 	});
 
 	it("serializes empty tags", () => {
-		const yaml = serializeProjectConfig({ tags: [] });
+		const yaml = serializeProjectConfig({ tags: [], shownHiddenColumns: [] });
 		const parsed = parseProjectConfig(yaml);
 		expect(parsed.isOk()).toBe(true);
 		if (parsed.isErr()) return;
 		expect(parsed.value.tags).toEqual([]);
 	});
+
+	it("round-trips tags with shownHiddenColumns", () => {
+		const yaml = serializeProjectConfig({
+			tags: ["bug"],
+			shownHiddenColumns: ["backlog", "cancelled"],
+		});
+		const parsed = parseProjectConfig(yaml);
+		expect(parsed.isOk()).toBe(true);
+		if (parsed.isErr()) return;
+		expect(parsed.value.tags).toEqual(["bug"]);
+		expect(parsed.value.shownHiddenColumns).toEqual(["backlog", "cancelled"]);
+	});
+
+	it("serializes empty shownHiddenColumns", () => {
+		const yaml = serializeProjectConfig({
+			tags: [],
+			shownHiddenColumns: [],
+		});
+		const parsed = parseProjectConfig(yaml);
+		expect(parsed.isOk()).toBe(true);
+		if (parsed.isErr()) return;
+		expect(parsed.value.shownHiddenColumns).toEqual([]);
+	});
 });