Add command modules and tests; commit remaining changes

src/commands/status.ts

@@ -0,0 +1,30 @@
+import type { CliDeps, RuntimeEnv } from "../index.js";
+import { formatMessageLine } from "../index.js";
+
+export async function statusCommand(
+	opts: { limit: string; lookback: string; json?: boolean },
+	deps: CliDeps,
+	runtime: RuntimeEnv,
+) {
+	const limit = Number.parseInt(opts.limit, 10);
+	const lookbackMinutes = Number.parseInt(opts.lookback, 10);
+	if (Number.isNaN(limit) || limit <= 0 || limit > 200) {
+		throw new Error("limit must be between 1 and 200");
+	}
+	if (Number.isNaN(lookbackMinutes) || lookbackMinutes <= 0) {
+		throw new Error("lookback must be > 0 minutes");
+	}
+
+	const messages = await deps.listRecentMessages(lookbackMinutes, limit);
+	if (opts.json) {
+		runtime.log(JSON.stringify(messages, null, 2));
+		return;
+	}
+	if (messages.length === 0) {
+		runtime.log("No messages found in the requested window.");
+		return;
+	}
+	for (const m of messages) {
+		runtime.log(formatMessageLine(m));
+	}
+}