Function writeFileSafe

cli/src/opencode/utils/opencodeConfig.ts:71–81

* Write file only if content has changed.

(filePath: string, content: string)

 * Write file only if content has changed.
 */
function writeFileSafe(filePath: string, content: string): void {
    try {
        const current = readFileSync(filePath, 'utf-8');
        if (current === content) {
            return;
        }
    } catch {
        // Ignore missing or unreadable file
    }
    writeFileSync(filePath, content, 'utf-8');
}