🧹 Replace geist.d.ts with proper types, add next-env.d.ts

- Remove unused geist type declarations
- Add proper app-wide type definitions
- Add next-env.d.ts for Next.js types

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: sheikhcoders

next-env.d.ts

@@ -0,0 +1,5 @@
+/// <reference types="next" />
+/// <reference types="next/image-types/global" />
+
+// NOTE: This file should not be edited
+// see https://nextjs.org/docs/app/api-reference/config/typescript for more information.

src/types/geist.d.ts

@@ -1,10 +1,3 @@
-// Type declarations for Geist fonts
-declare module "geist/font/sans" {
-  import { NextFont } from "next/dist/compiled/@next/font";
-  export const GeistSans: NextFont & { variable: string };
-}
-
-declare module "geist/font/mono" {
-  import { NextFont } from "next/dist/compiled/@next/font";
-  export const GeistMono: NextFont & { variable: string };
-}
+// This file is no longer needed - using next/font/google instead
+// Keeping as placeholder to avoid Git issues
+export {};

src/types/index.ts

@@ -0,0 +1,81 @@
+/**
+ * Application-wide type definitions
+ */
+
+import type { Message } from "ai";
+
+/**
+ * Chat message with additional metadata
+ */
+export interface ChatMessage extends Message {
+  timestamp?: Date;
+  model?: string;
+}
+
+/**
+ * Model provider configuration
+ */
+export interface ModelProvider {
+  id: string;
+  name: string;
+  description: string;
+  free: boolean;
+}
+
+/**
+ * Model configuration
+ */
+export interface ModelConfig {
+  id: string;
+  name: string;
+  provider: string;
+  description: string;
+  capabilities: readonly string[];
+  contextWindow: number;
+  free: boolean;
+}
+
+/**
+ * Chat session state
+ */
+export interface ChatSession {
+  id: string;
+  title: string;
+  messages: ChatMessage[];
+  model: string;
+  createdAt: Date;
+  updatedAt: Date;
+}
+
+/**
+ * Action types for CUA
+ */
+export type ActionType = 
+  | "click"
+  | "type"
+  | "scroll"
+  | "hover"
+  | "wait"
+  | "screenshot";
+
+/**
+ * CUA Action definition
+ */
+export interface CUAAction {
+  type: ActionType;
+  target?: string;
+  value?: string;
+  position?: { x: number; y: number };
+  description: string;
+}
+
+/**
+ * CUA Task definition
+ */
+export interface CUATask {
+  id: string;
+  description: string;
+  actions: CUAAction[];
+  status: "pending" | "in_progress" | "completed" | "failed";
+  result?: string;
+}