Add plus button to prompt input for file and image attachments (#381)

* Add plus button to prompt input for file and image attachments

Co-authored-by: Cursor <cursoragent@cursor.com>

* Refactor chat message attachment handling and improve UI for attachments in chat input and sidebar

* fixed review comments

---------

Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: Arjun <6592213+arkml@users.noreply.github.com>
This commit is contained in:
Tushar 2026-02-26 21:41:17 +05:30 committed by GitHub
parent 9aa3a3f82b
commit cccb7a8a65
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13 changed files with 782 additions and 114 deletions

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@ -6,6 +6,7 @@ import { LlmModelConfig } from './models.js';
import { AgentScheduleConfig, AgentScheduleEntry } from './agent-schedule.js';
import { AgentScheduleState } from './agent-schedule-state.js';
import { ServiceEvent } from './service-events.js';
import { UserMessageContent } from './message.js';
// ============================================================================
// Runtime Validation Schemas (Single Source of Truth)
@ -128,7 +129,7 @@ const ipcSchemas = {
'runs:createMessage': {
req: z.object({
runId: z.string(),
message: z.string(),
message: UserMessageContent,
}),
res: z.object({
messageId: z.string(),

View file

@ -28,9 +28,30 @@ export const AssistantContentPart = z.union([
ToolCallPart,
]);
// A piece of user-typed text within a content array
export const UserTextPart = z.object({
type: z.literal("text"),
text: z.string(),
});
// An attachment within a content array
export const UserAttachmentPart = z.object({
type: z.literal("attachment"),
path: z.string(), // absolute file path
filename: z.string(), // display name ("photo.png")
mimeType: z.string(), // MIME type ("image/png", "text/plain")
size: z.number().optional(), // bytes
});
// Any single part of a user message (text or attachment)
export const UserContentPart = z.union([UserTextPart, UserAttachmentPart]);
// Named type for user message content — used everywhere instead of repeating the union
export const UserMessageContent = z.union([z.string(), z.array(UserContentPart)]);
export const UserMessage = z.object({
role: z.literal("user"),
content: z.string(),
content: UserMessageContent,
providerOptions: ProviderOptions.optional(),
});