Fix paste function in chat box

src/extension.ts

@@ -206,6 +206,9 @@ class ClaudeChatProvider {
 					case 'updateSettings':
 						this._updateSettings(message.settings);
 						return;
+					case 'getClipboardText':
+						this._getClipboardText();
+						return;
 				}
 			},
 			null,
@@ -1146,6 +1149,18 @@ class ClaudeChatProvider {
 		}
 	}
 
+	private async _getClipboardText(): Promise<void> {
+		try {
+			const text = await vscode.env.clipboard.readText();
+			this._panel?.webview.postMessage({
+				type: 'clipboardText',
+				data: text
+			});
+		} catch (error) {
+			console.error('Failed to read clipboard:', error);
+		}
+	}
+
 	public dispose() {
 		if (this._panel) {
 			this._panel.dispose();