fix: remove semicolons for biome compliance

Co-Authored-By: deepseek-v4-pro[1m] <deepseek-ai@claude-code-best.win>

Author: wsolarq11

src/utils/messages.ts

@@ -753,7 +753,7 @@ export function normalizeMessages(messages: Message[]): NormalizedMessage[] {
   // and remains true for all subsequent messages in the normalization process.
   let isNewChain = false
   return messages.flatMap(message => {
-    if (!message) return [];
+    if (!message) return []
     switch (message.type) {
       case 'assistant': {
         const aMsg = message as AssistantMessage
@@ -2377,7 +2377,7 @@ export function normalizeMessagesForAPI(
       },
     )
     .forEach(message => {
-      if (!message) return [];
+      if (!message) return []
       switch (message.type) {
         case 'system': {
           // local_command system messages need to be included as user messages

src/utils/messages/mappers.ts

@@ -29,7 +29,7 @@ export function toInternalMessages(
   messages: readonly DeepImmutable<SDKMessage>[],
 ): Message[] {
   return messages.flatMap(message => {
-    if (!message) return [];
+    if (!message) return []
     switch (message.type) {
       case 'assistant':
         return [
@@ -128,7 +128,7 @@ export function fromSDKCompactMetadata(
 
 export function toSDKMessages(messages: Message[]): SDKMessage[] {
   return messages.flatMap((message): SDKMessage[] => {
-    if (!message) return [];
+    if (!message) return []
     switch (message.type) {
       case 'assistant':
         return [