Set up default messaging relays

src/app/components/ChatCompose.svelte

@@ -1,6 +1,7 @@
 <script lang="ts">
   import {onDestroy, onMount} from "svelte"
   import {writable} from "svelte/store"
+  import cx from "classnames"
   import type {EventContent} from "@welshman/util"
   import {isMobile, preventDefault} from "@lib/html"
   import GallerySend from "@assets/icons/gallery-send.svg?dataurl"
@@ -12,17 +13,24 @@
 
   type Props = {
     content?: string
+    disabled?: boolean
     onEscape?: () => void
     onEditPrevious?: () => void
     onSubmit: (event: EventContent) => void
   }
 
-  const {content, onEscape, onEditPrevious, onSubmit}: Props = $props()
+  const {content, disabled = false, onEscape, onEditPrevious, onSubmit}: Props = $props()
 
-  const autofocus = !isMobile
+  const autofocus = !isMobile && !disabled
 
   const uploading = writable(false)
 
+  const editorClass = $derived(
+    cx("chat-editor flex-grow overflow-hidden", {
+      "pointer-events-none opacity-50": disabled,
+    }),
+  )
+
   export const focus = () => editor.then(ed => ed.chain().focus().run())
 
   export const canEnterEditPrevious = () =>
@@ -41,7 +49,7 @@
   const uploadFiles = () => editor.then(ed => ed.chain().selectFiles().run())
 
   const submit = async () => {
-    if ($uploading) return
+    if ($uploading || disabled) return
 
     const ed = await editor
     const content = ed.getText({blockSeparator: "\n"}).trim()
@@ -78,7 +86,7 @@
   <Button
     data-tip="Add an image"
     class="center tooltip tooltip-right h-10 w-10 min-w-10 rounded-box bg-base-300 transition-colors hover:bg-base-200"
-    disabled={$uploading}
+    disabled={$uploading || disabled}
     onclick={uploadFiles}>
     {#if $uploading}
       <span class="loading loading-spinner loading-xs"></span>
@@ -86,13 +94,13 @@
       <Icon icon={GallerySend} />
     {/if}
   </Button>
-  <div class="chat-editor flex-grow overflow-hidden">
+  <div class={editorClass} aria-disabled={disabled}>
     <EditorContent {editor} />
   </div>
   <Button
     data-tip="{window.navigator.platform.includes('Mac') ? 'cmd' : 'ctrl'}+enter to send"
     class="center tooltip tooltip-left absolute right-4 h-10 w-10 min-w-10 rounded-full"
-    disabled={$uploading}
+    disabled={$uploading || disabled}
     onclick={submit}>
     <Icon icon={Plane} />
   </Button>