fix(coding-agent): corrected config display to render arrays and objects as JSON

- Improved config display formatting to properly render arrays and objects as JSON instead of `[object Object]`.
- Enhanced type display in config list output to show correct type indicators for number, array, and record settings.
- Added test coverage for record settings rendering in config list output.

packages/coding-agent/CHANGELOG.md

@@ -1,10 +1,16 @@
 # Changelog
 
 ## [Unreleased]
+
 ### Changed
 
 - Increased default async max jobs limit from 15 to 100 for improved concurrent task handling
 
+### Fixed
+
+- Improved config display formatting to properly render arrays and objects as JSON instead of `[object Object]`
+- Enhanced type display in config list output to show correct type indicators for number, array, and record settings
+
 ## [13.3.3] - 2026-02-26
 ### Added
 

packages/coding-agent/src/cli/config-cli.ts

@@ -134,18 +134,36 @@ function formatValue(value: unknown): string {
 	if (typeof value === "number") {
 		return chalk.cyan(String(value));
 	}
+	if (typeof value === "string") {
+		return chalk.yellow(value);
+	}
+	if (Array.isArray(value) || typeof value === "object") {
+		try {
+			return chalk.yellow(JSON.stringify(value));
+		} catch {
+			return chalk.yellow(String(value));
+		}
+	}
 	return chalk.yellow(String(value));
 }
 
 function getTypeDisplay(def: CliSettingDef): string {
-	if (def.type === "boolean") {
-		return "(boolean)";
-	}
 	const values = getSettingValues(def);
 	if (values && values.length > 0) {
 		return `(${values.join("|")})`;
 	}
-	return "(string)";
+	switch (def.type) {
+		case "boolean":
+			return "(boolean)";
+		case "number":
+			return "(number)";
+		case "array":
+			return "(array)";
+		case "record":
+			return "(record)";
+		default:
+			return "(string)";
+	}
 }
 
 // =============================================================================

packages/coding-agent/test/config-cli.test.ts

@@ -39,4 +39,17 @@ describe("config CLI schema coverage", () => {
 		expect(parsed.type).toBe("array");
 		expect(parsed.description).toBe("");
 	});
+
+	it("renders record settings as JSON and with record type in text output", async () => {
+		const logSpy = vi.spyOn(console, "log").mockImplementation(() => {});
+
+		await runConfigCommand({ action: "list", flags: {} });
+
+		const lines = logSpy.mock.calls.map(call => String(call[0] ?? ""));
+		const modelRolesLine = lines.find(line => line.includes("modelRoles ="));
+		expect(modelRolesLine).toBeDefined();
+		expect(modelRolesLine).toContain("modelRoles = {}");
+		expect(modelRolesLine).toContain("(record)");
+		expect(modelRolesLine).not.toContain("[object Object]");
+	});
 });