refactor(cli): split tjwater cli modules

cli/tjwater-cli.ts

@@ -0,0 +1,45 @@
+import { dispatch } from "./src/dispatch.js";
+import { CliError, errorMessage } from "./src/core/errors.js";
+import { failure } from "./src/core/output.js";
+import { buildRuntime, parseGlobalArgs } from "./src/core/runtime.js";
+
+let currentServer: string | null = null;
+let currentRequestId: string | null = null;
+
+async function main(): Promise<number> {
+  const { globals, rest } = parseGlobalArgs(process.argv.slice(2));
+  if (isHelpRequest(rest)) {
+    await dispatch(null, rest);
+    return 0;
+  }
+  const ctx = await buildRuntime(globals);
+  currentServer = ctx.server;
+  currentRequestId = ctx.requestId;
+  await dispatch(ctx, rest);
+  return 0;
+}
+
+function isHelpRequest(argv: string[]): boolean {
+  return argv.length === 0 || argv[0] === "help" || argv.includes("--help") || argv.at(-1) === "help";
+}
+
+try {
+  process.exitCode = await main();
+} catch (error) {
+  if (error instanceof CliError) {
+    failure({
+      summary: error.summary,
+      code: error.code,
+      message: error.message,
+      retryable: error.retryable,
+      server: currentServer,
+      requestId: currentRequestId,
+      data: error.data,
+      nextCommands: error.nextCommands,
+    });
+    process.exitCode = error.exitCode;
+  } else {
+    failure({ summary: "CLI 执行失败", code: "UNHANDLED_ERROR", message: errorMessage(error), retryable: false });
+    process.exitCode = 1;
+  }
+}