From 29ef210df4837ded4e2a766d96bc1317f64ee84f Mon Sep 17 00:00:00 2001
From: vi <did:web:vt3e.cat>
Date: Wed, 8 Jul 2026 23:57:46 +0100
Subject: [PATCH] router: warn about long IDs

---
 pkgs/router/src/kitten.ts | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/pkgs/router/src/kitten.ts b/pkgs/router/src/kitten.ts
index 12f04f6..1076927 100644
--- a/pkgs/router/src/kitten.ts
+++ b/pkgs/router/src/kitten.ts
@@ -169,7 +169,22 @@ export class Kitten {
 		});
 		registry.components?.forEach((comp) => {
 			this.components.set(comp.name, comp);
-			this.logger.debug(`registered component prefix: "${comp.name}"`);
+
+			const keys = Object.keys(comp.config.options || {});
+			const staticOverhead = comp.name.length + keys.length;
+			const dynamicBudget = 100 - staticOverhead;
+
+			if (dynamicBudget < 25) {
+				this.logger.warn(
+					[
+						`component "${comp.name}" has a high static ID overhead (${staticOverhead} chars).`,
+						`This leaves only ${dynamicBudget} characters for actual runtime values before`,
+						`hitting Discord's 100-character limit.`,
+					].join(" "),
+				);
+			} else {
+				this.logger.debug(`registered component prefix: "${comp.name}"`);
+			}
 		});
 	}
 
-- 
2.51.2