Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/javascript/widget/composables/useAttachments.js

@@ -0,0 +1,42 @@
+import { computed } from 'vue';
+import { useStore } from 'vuex';
+
+export function useAttachments() {
+  const store = useStore();
+
+  const shouldShowFilePicker = computed(
+    () => store.getters['appConfig/getShouldShowFilePicker']
+  );
+
+  const shouldShowEmojiPicker = computed(
+    () => store.getters['appConfig/getShouldShowEmojiPicker']
+  );
+
+  const hasAttachmentsEnabled = computed(() => {
+    const channelConfig = window.chatwootWebChannel;
+    return channelConfig?.enabledFeatures?.includes('attachments') || false;
+  });
+
+  const hasEmojiPickerEnabled = computed(() => {
+    const channelConfig = window.chatwootWebChannel;
+    return channelConfig?.enabledFeatures?.includes('emoji_picker') || false;
+  });
+
+  const canHandleAttachments = computed(() => {
+    // If enableFileUpload was explicitly set via SDK, prioritize that
+    if (shouldShowFilePicker.value !== undefined) {
+      return shouldShowFilePicker.value;
+    }
+
+    // Otherwise, fall back to inbox settings only
+    return hasAttachmentsEnabled.value;
+  });
+
+  return {
+    shouldShowFilePicker,
+    shouldShowEmojiPicker,
+    hasAttachmentsEnabled,
+    hasEmojiPickerEnabled,
+    canHandleAttachments,
+  };
+}