feat: 添加命令行参数解析和策略启动功能，支持静默模式和帮助信息

src/cli/args.ts

@@ -0,0 +1,62 @@
+export type StrategyId = "trend" | "maker" | "offset-maker";
+
+export interface CliOptions {
+  strategy?: StrategyId;
+  silent: boolean;
+  help: boolean;
+}
+
+const STRATEGY_VALUES = new Set<StrategyId>(["trend", "maker", "offset-maker"]);
+
+export function parseCliArgs(argv: string[] = process.argv.slice(2)): CliOptions {
+  const options: CliOptions = { silent: false, help: false };
+
+  for (let i = 0; i < argv.length; i += 1) {
+    const arg = argv[i];
+    if (!arg) continue;
+
+    if (arg === "--silent" || arg === "-q" || arg === "--quiet") {
+      options.silent = true;
+      continue;
+    }
+    if (arg === "--help" || arg === "-h") {
+      options.help = true;
+      continue;
+    }
+    if (arg.startsWith("--strategy=")) {
+      const value = arg.split("=", 2)[1] ?? "";
+      assignStrategy(options, value);
+      continue;
+    }
+    if (arg === "--strategy" || arg === "-s") {
+      const value = argv[i + 1];
+      if (value) {
+        assignStrategy(options, value);
+        i += 1;
+      }
+      continue;
+    }
+  }
+
+  return options;
+}
+
+function assignStrategy(options: CliOptions, raw: string): void {
+  const normalized = raw.trim().toLowerCase();
+  if (!normalized) return;
+  if (STRATEGY_VALUES.has(normalized as StrategyId)) {
+    options.strategy = normalized as StrategyId;
+  } else if (normalized === "offset" || normalized === "offsetmaker" || normalized === "offset-maker") {
+    options.strategy = "offset-maker";
+  }
+}
+
+export function printCliHelp(): void {
+  // eslint-disable-next-line no-console
+  console.log(`Usage: bun run index.ts [--strategy <trend|maker|offset-maker>] [--silent]\n\n` +
+    `Options:\n` +
+    `  --strategy, -s    Automatically start the specified strategy without the interactive menu.\n` +
+    `                    Aliases: offset, offset-maker for the offset maker engine.\n` +
+    `  --silent, -q      Reduce console output. When used with --strategy, runs in silent daemon mode.\n` +
+    `  --help, -h        Show this help message.\n`);
+}