Add packages/opencode-config and use it

packages/server/src/opencode-config.ts

@@ -0,0 +1,36 @@
+import { cpSync, existsSync, mkdirSync, rmSync } from "fs"
+import os from "os"
+import path from "path"
+import { fileURLToPath } from "url"
+import { createLogger } from "./logger"
+
+const log = createLogger({ component: "opencode-config" })
+const __filename = fileURLToPath(import.meta.url)
+const __dirname = path.dirname(__filename)
+const devTemplateDir = path.resolve(__dirname, "../../opencode-config")
+const prodTemplateDir = path.resolve(__dirname, "opencode-config")
+
+const isDevBuild = Boolean(process.env.CODENOMAD_DEV ?? process.env.CLI_UI_DEV_SERVER) || existsSync(devTemplateDir)
+const templateDir = isDevBuild ? devTemplateDir : prodTemplateDir
+const userConfigDir = path.join(os.homedir(), ".config", "codenomad", "opencode-config")
+
+export function getOpencodeConfigDir(): string {
+  if (!existsSync(templateDir)) {
+    throw new Error(`CodeNomad Opencode config template missing at ${templateDir}`)
+  }
+
+  if (isDevBuild) {
+    log.debug({ templateDir }, "Using Opencode config template directly (dev mode)")
+    return templateDir
+  }
+
+  refreshUserConfig()
+  return userConfigDir
+}
+
+function refreshUserConfig() {
+  log.debug({ templateDir, userConfigDir }, "Syncing Opencode config template")
+  rmSync(userConfigDir, { recursive: true, force: true })
+  mkdirSync(path.dirname(userConfigDir), { recursive: true })
+  cpSync(templateDir, userConfigDir, { recursive: true })
+}