✨ upload attachments and custom feedback

src/renderer/types/editor.ts

@@ -5,10 +5,20 @@ export interface FileNode {
   children?: FileNode[]
 }
 
+export interface AttachmentMeta {
+  name: string
+  mimeType: string
+}
+
+export interface Attachment extends AttachmentMeta {
+  data: string // base64 for images, extracted text for text/PDF
+}
+
 export interface ChatMessage {
   id: string
   role: 'user' | 'assistant'
   content: string
+  attachments?: AttachmentMeta[] // metadata only — stored in history for display
 }
 
 export type AnnotationType = 'passive_voice' | 'consistency' | 'style' | 'critique'
@@ -33,6 +43,7 @@ export interface AIPayload {
   documentPath: string
   conversationHistory: Array<{ role: 'user' | 'assistant'; content: string }>
   userMessage: string
+  attachments?: Attachment[] // full data for current API call only
 }
 
 export interface RevisionMeta {

src/renderer/types/global.d.ts

@@ -1,4 +1,4 @@
-import type { FileNode, AIPayload, RevisionMeta } from './editor'
+import type { FileNode, AIPayload, RevisionMeta, Attachment } from './editor'
 
 declare global {
   interface Window {
@@ -13,6 +13,7 @@ declare global {
       removeAIListener: () => void
       getProjectWordCount: () => Promise<number>
       saveOrder: (order: Record<string, string[]>) => Promise<void>
+      pickAttachments: () => Promise<Attachment[]>
       saveRevision: (filePath: string, content: string) => Promise<void>
       listRevisions: (filePath: string) => Promise<RevisionMeta[]>
       loadRevision: (filePath: string, revisionId: string) => Promise<string>