fix(coding-agent): preserve copy-prompt retry collision

packages/coding-agent/src/modes/components/custom-editor.ts

@@ -586,9 +586,16 @@ export class CustomEditor extends Editor {
 				return;
 			}
 
+			// Intercept configured copy-prompt shortcut
+			if (this.#matchesAction(canonical, "app.clipboard.copyPrompt") && this.onCopyPrompt) {
+				this.onCopyPrompt();
+				return;
+			}
+
 			// Intercept configured retry shortcut. Later user/custom handlers keep
 			// precedence so adding the default Alt+R binding does not steal existing
-			// shortcuts such as app.plan.toggle or extension commands.
+			// shortcuts such as app.plan.toggle or extension commands; copy-prompt is
+			// checked above for the same reason.
 			if (this.#matchesAction(canonical, "app.retry") && this.onRetry) {
 				const customHandler = this.#customMatchKeys.get(canonical);
 				if (customHandler) {
@@ -599,12 +606,6 @@ export class CustomEditor extends Editor {
 				return;
 			}
 
-			// Intercept configured copy-prompt shortcut
-			if (this.#matchesAction(canonical, "app.clipboard.copyPrompt") && this.onCopyPrompt) {
-				this.onCopyPrompt();
-				return;
-			}
-
 			// Check custom key handlers (extensions)
 			const handler = this.#customMatchKeys.get(canonical);
 			if (handler) {

packages/coding-agent/test/custom-editor-keybindings.test.ts

@@ -30,4 +30,18 @@ describe("CustomEditor keybindings", () => {
 		expect(customHandler).toHaveBeenCalledTimes(1);
 		expect(onRetry).not.toHaveBeenCalled();
 	});
+
+	it("lets copy-prompt remaps keep precedence over the default retry chord", () => {
+		const editor = new CustomEditor(getEditorTheme());
+		const onRetry = vi.fn();
+		const onCopyPrompt = vi.fn();
+
+		editor.onRetry = onRetry;
+		editor.onCopyPrompt = onCopyPrompt;
+		editor.setActionKeys("app.clipboard.copyPrompt", ["alt+r"]);
+		editor.handleInput("\x1br");
+
+		expect(onCopyPrompt).toHaveBeenCalledTimes(1);
+		expect(onRetry).not.toHaveBeenCalled();
+	});
 });