feat(schedule): add lightweight due-items banner to loader.ts

src/loader.ts

@@ -106,6 +106,36 @@ if (firstArg === "headless") {
 	}
 }
 
+// Schedule due-items banner — lightweight check before heavy imports
+if (!process.env.SF_QUIET && firstArg !== "--version" && firstArg !== "-v" && firstArg !== "--help" && firstArg !== "-h") {
+	try {
+		const schedulePath = join(process.cwd(), ".sf", "schedule.jsonl");
+		if (existsSync(schedulePath)) {
+			const content = readFileSync(schedulePath, "utf-8");
+			const now = Date.now();
+			let dueCount = 0;
+			for (const line of content.split("\n")) {
+				if (!line.trim()) continue;
+				try {
+					const entry = JSON.parse(line);
+					if (entry.status === "pending" && new Date(entry.due_at).getTime() <= now) {
+						dueCount++;
+					}
+				} catch {
+					// skip corrupt lines
+				}
+			}
+			if (dueCount > 0) {
+				process.stderr.write(
+					`[forge] ${dueCount} scheduled item${dueCount === 1 ? "" : "s"} due now.  Manage: /sf schedule list\n`,
+				);
+			}
+		}
+	} catch {
+		// non-fatal
+	}
+}
+
 // ---------------------------------------------------------------------------
 // Runtime dependency checks — fail fast with clear diagnostics before any
 // heavy imports. Reads minimum Node version from the engines field in