fix type errors

frontend/src/lib/components/PipelineOptions.svelte

@@ -53,19 +53,27 @@
       {#if advanceOptions}
         {#each advanceOptions as params (params.id)}
           {#if params.field === FieldType.RANGE}
-            <InputRange {params} bind:value={$pipelineValues[params.id]}
+            <InputRange
+              {params}
+              bind:value={$pipelineValues[params.id] as number}
             ></InputRange>
           {:else if params.field === FieldType.SEED}
-            <SeedInput {params} bind:value={$pipelineValues[params.id]}
+            <SeedInput
+              {params}
+              bind:value={$pipelineValues[params.id] as number}
             ></SeedInput>
           {:else if params.field === FieldType.TEXTAREA}
-            <TextArea {params} bind:value={$pipelineValues[params.id]}
+            <TextArea {params} bind:value={$pipelineValues[params.id] as string}
             ></TextArea>
           {:else if params.field === FieldType.CHECKBOX}
-            <Checkbox {params} bind:value={$pipelineValues[params.id]}
+            <Checkbox
+              {params}
+              bind:value={$pipelineValues[params.id] as boolean}
             ></Checkbox>
           {:else if params.field === FieldType.SELECT}
-            <Selectlist {params} bind:value={$pipelineValues[params.id]}
+            <Selectlist
+              {params}
+              bind:value={$pipelineValues[params.id] as string}
             ></Selectlist>
           {/if}
         {/each}

frontend/src/lib/lcmLive.ts

@@ -16,7 +16,7 @@ export const lcmLiveStatus = writable<LCMLiveStatus>(initStatus);
 export const streamId = writable<string | null>(null);
 
 // WebSocket connection
-let websocket: WebSocket;
+let websocket: WebSocket | null;
 
 // Register browser unload event listener to properly close WebSockets
 if (typeof window !== "undefined") {