OpenCode Config Path (services/opencodeConfigPath.ts)

Resolves paths for OpenCode configuration files, supporting both JSON and JSONC formats.

// Source: https://github.com/diegosouzapw/OmniRoute | License: MIT | Copyright 2026 diegosouzapw
// Provided via justclaw.it.com; keep this notice with the code.
import fs from "node:fs";
import os from "node:os";
import path from "node:path";

export const OPENCODE_JSON_FILENAME = "opencode.json";
export const OPENCODE_JSONC_FILENAME = "opencode.jsonc";

export const resolveOpencodeConfigDir = (
  env: NodeJS.ProcessEnv = process.env,
  homeDir = os.homedir()
): string => {
  const xdgConfigHome = String(env.XDG_CONFIG_HOME || "").trim();
  return path.join(xdgConfigHome || path.join(homeDir, ".config"), "opencode");
};

/**
 * Resolve the global OpenCode config file that a write should update.
 *
 * OpenCode treats `opencode.jsonc` as the preferred writable global config and
 * merges i

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