diff --git a/packages/pi-coding-agent/src/modes/interactive/components/provider-manager.ts b/packages/pi-coding-agent/src/modes/interactive/components/provider-manager.ts
index 718d68030..4d45fa725 100644
--- a/packages/pi-coding-agent/src/modes/interactive/components/provider-manager.ts
+++ b/packages/pi-coding-agent/src/modes/interactive/components/provider-manager.ts
@@ -43,6 +43,7 @@ export class ProviderManagerComponent extends Container implements Focusable {
 	private modelsJsonWriter: ModelsJsonWriter;
 	private onDone: () => void;
 	private onDiscover: (provider: string) => void;
+	private onSetupAuth: (provider: string) => void;
 	private confirmingRemove = false;
 	private hintsContainer: Container;
 
@@ -52,6 +53,7 @@ export class ProviderManagerComponent extends Container implements Focusable {
 		modelRegistry: ModelRegistry,
 		onDone: () => void,
 		onDiscover: (provider: string) => void,
+		onSetupAuth?: (provider: string) => void,
 	) {
 		super();
 
@@ -61,6 +63,7 @@ export class ProviderManagerComponent extends Container implements Focusable {
 		this.modelsJsonWriter = new ModelsJsonWriter(this.modelRegistry.modelsJsonPath);
 		this.onDone = onDone;
 		this.onDiscover = onDiscover;
+		this.onSetupAuth = onSetupAuth ?? (() => {});
 
 		// Header
 		this.addChild(new Text(theme.fg("accent", "Provider Manager"), 0, 0));
@@ -125,6 +128,7 @@ export class ProviderManagerComponent extends Container implements Focusable {
 			this.hintsContainer.addChild(new Text(hints, 0, 0));
 		} else {
 			const hints = [
+				rawKeyHint("enter", "setup auth"),
 				rawKeyHint("d", "discover"),
 				rawKeyHint("r", "remove auth"),
 				rawKeyHint("esc", "close"),
@@ -203,6 +207,12 @@ export class ProviderManagerComponent extends Container implements Focusable {
 					this.tui.requestRender();
 				}
 			}
+		} else if (kb.matches(keyData, "selectConfirm")) {
+			// Enter key → initiate auth setup for the selected provider (#3579)
+			const provider = this.providers[this.selectedIndex];
+			if (provider) {
+				this.onSetupAuth(provider.name);
+			}
 		}
 	}
 }
diff --git a/packages/pi-coding-agent/src/modes/interactive/interactive-mode.ts b/packages/pi-coding-agent/src/modes/interactive/interactive-mode.ts
index ca98db678..80255d8de 100644
--- a/packages/pi-coding-agent/src/modes/interactive/interactive-mode.ts
+++ b/packages/pi-coding-agent/src/modes/interactive/interactive-mode.ts
@@ -3411,6 +3411,11 @@ export class InteractiveMode {
 					done();
 					this.ui.requestRender();
 				},
+				async (provider: string) => {
+					// Enter key → auth setup for selected provider (#3579)
+					done();
+					await this.showLoginDialog(provider);
+				},
 			);
 			return { component, focus: component };
 		});