feat(coding-agent): added JSON syntax support for array and record config values

- Added support for setting array and record configuration values using JSON syntax.
- Implemented JSON parsing and validation for array and record types in config CLI.
- Added 2 integration tests covering array and record configuration workflows.
- Enhanced test setup with temporary directory management and settings reset for isolation.

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

@@ -195,6 +195,32 @@ function parseAndSetValue(path: SettingPath, rawValue: string): void {
 			parsedValue = trimmed;
 			break;
 		}
+		case "array": {
+			let parsed: unknown;
+			try {
+				parsed = JSON.parse(trimmed);
+			} catch {
+				throw new Error(`Invalid array JSON: ${rawValue}`);
+			}
+			if (!Array.isArray(parsed)) {
+				throw new Error(`Invalid array JSON: ${rawValue}`);
+			}
+			parsedValue = parsed;
+			break;
+		}
+		case "record": {
+			let parsed: unknown;
+			try {
+				parsed = JSON.parse(trimmed);
+			} catch {
+				throw new Error(`Invalid record JSON: ${rawValue}`);
+			}
+			if (parsed === null || typeof parsed !== "object" || Array.isArray(parsed)) {
+				throw new Error(`Invalid record JSON: ${rawValue}`);
+			}
+			parsedValue = parsed;
+			break;
+		}
 		default:
 			parsedValue = trimmed;
 	}