add rate limits to all public endpoints

packages/backend/src/server/api/endpoints/renote-mute/delete.ts

@@ -37,6 +37,12 @@ export const meta = {
 			id: '2e4ef874-8bf0-4b4b-b069-4598f6d05817',
 		},
 	},
+
+	// 20 calls per hour (match create)
+	limit: {
+		duration: 1000 * 60 * 60,
+		max: 20,
+	},
 } as const;
 
 export const paramDef = {

packages/backend/src/server/api/endpoints/renote-mute/list.ts

@@ -26,6 +26,12 @@ export const meta = {
 			ref: 'RenoteMuting',
 		},
 	},
+
+	// 2 calls per second
+	limit: {
+		duration: 1000,
+		max: 2,
+	},
 } as const;
 
 export const paramDef = {