fix: chat control "stop token" param issue

src/lib/components/chat/Chat.svelte

@@ -803,8 +803,8 @@
 				...(params ?? $settings.params ?? {}),
 				stop:
 					params?.stop ?? $settings?.params?.stop ?? undefined
-						? (params?.stop ?? $settings.params.stop).map((str) =>
-								decodeURIComponent(JSON.parse('"' + str.replace(/\"/g, '\\"') + '"'))
+						? (params?.stop.split(',').map((token) => token.trim()) ?? $settings.params.stop).map(
+								(str) => decodeURIComponent(JSON.parse('"' + str.replace(/\"/g, '\\"') + '"'))
 						  )
 						: undefined,
 				num_predict: params?.max_tokens ?? $settings?.params?.max_tokens ?? undefined,
@@ -1103,8 +1103,8 @@
 					seed: params?.seed ?? $settings?.params?.seed ?? undefined,
 					stop:
 						params?.stop ?? $settings?.params?.stop ?? undefined
-							? (params?.stop ?? $settings.params.stop).map((str) =>
-									decodeURIComponent(JSON.parse('"' + str.replace(/\"/g, '\\"') + '"'))
+							? (params?.stop.split(',').map((token) => token.trim()) ?? $settings.params.stop).map(
+									(str) => decodeURIComponent(JSON.parse('"' + str.replace(/\"/g, '\\"') + '"'))
 							  )
 							: undefined,
 					temperature: params?.temperature ?? $settings?.params?.temperature ?? undefined,