diff --git a/Examples/CmuxExtensionSidebarExamples/Sources/CmuxExtensionSidebarExamples/BrowserStackSidebar.swift b/Examples/CmuxExtensionSidebarExamples/Sources/CmuxExtensionSidebarExamples/BrowserStackSidebar.swift
index cf31db8003ff..9f82977a42e0 100644
--- a/Examples/CmuxExtensionSidebarExamples/Sources/CmuxExtensionSidebarExamples/BrowserStackSidebar.swift
+++ b/Examples/CmuxExtensionSidebarExamples/Sources/CmuxExtensionSidebarExamples/BrowserStackSidebar.swift
@@ -26,7 +26,14 @@ public struct BrowserStackSidebar: CmuxExtensionSidebarMutableProvider {
     }
 
     public static func postStateDidLoadNotification() {
-        NotificationCenter.default.post(name: stateDidLoadNotification, object: nil)
+        // Dispatch async so SwiftUI views that subscribed to this notification
+        // inside `body` are guaranteed to have their .onReceive subscription
+        // installed before the post arrives. Without this, a small persisted
+        // state file can finish loading during the same render pass and the
+        // notification gets missed.
+        DispatchQueue.main.async {
+            NotificationCenter.default.post(name: stateDidLoadNotification, object: nil)
+        }
     }
 
     public func render(snapshot: CmuxExtensionSidebarSnapshot) -> CmuxExtensionSidebarRenderModel {
diff --git a/Sources/ContentView.swift b/Sources/ContentView.swift
index 9b3bc3b9b8a7..18aef5332a69 100644
--- a/Sources/ContentView.swift
+++ b/Sources/ContentView.swift
@@ -2,6 +2,7 @@ import AppKit
 import Bonsplit
 import Combine
 import CmuxExtensionKit
+import CmuxExtensionSidebarExamples
 import ImageIO
 import Observation
 import SwiftUI
@@ -9682,8 +9683,15 @@ enum CmuxExtensionSidebarSelection {
     static let defaultsKey = "cmuxExtensionSidebar.providerId"
     static let defaultProviderId = CmuxExtensionSidebarProviderID.defaultWorkspaces
 
+    // User-vibe-coded sidebar providers. To add your own:
+    // 1. Implement `CmuxExtensionSidebarProvider` in a new file under
+    //    Examples/CmuxExtensionSidebarExamples/Sources/CmuxExtensionSidebarExamples/
+    //    (or any Swift Package depended on by the cmux target).
+    // 2. Append your provider to `SidebarExamples.providers`.
+    // 3. Rebuild with `./scripts/reload.sh --tag <tag>` and pick it from the
+    //    sidebar provider menu.
     static var providers: [any CmuxExtensionSidebarProvider] {
-        []
+        SidebarExamples.providers
     }
 
     static var descriptors: [CmuxExtensionSidebarProviderDescriptor] {
@@ -10493,6 +10501,12 @@ struct VerticalTabsSidebar: View {
                 ) { _ in
                 refreshExtensionSidebarSnapshot()
             }
+            .onReceive(
+                NotificationCenter.default.publisher(for: BrowserStackSidebar.stateDidLoadNotification)
+                    .receive(on: RunLoop.main)
+            ) { _ in
+                refreshExtensionSidebarSnapshot()
+            }
         }
     }
 
diff --git a/cmux.xcodeproj/project.pbxproj b/cmux.xcodeproj/project.pbxproj
index dd5a6a2bf20f..e733488a8aee 100644
--- a/cmux.xcodeproj/project.pbxproj
+++ b/cmux.xcodeproj/project.pbxproj
@@ -139,6 +139,7 @@
 		E7E000000000000000000007 /* CmuxEventPublishing.swift in Sources */ = {isa = PBXBuildFile; fileRef = E7E000000000000000000008 /* CmuxEventPublishing.swift */; };
 		E7E000000000000000000001 /* CmuxEventStream.swift in Sources */ = {isa = PBXBuildFile; fileRef = E7E000000000000000000002 /* CmuxEventStream.swift */; };
 		C0DE45000000000000000001 /* CmuxExtensionKit in Frameworks */ = {isa = PBXBuildFile; productRef = C0DE45000000000000000002 /* CmuxExtensionKit */; };
+		C0DE45000000000000000004 /* CmuxExtensionSidebarExamples in Frameworks */ = {isa = PBXBuildFile; productRef = C0DE45000000000000000005 /* CmuxExtensionSidebarExamples */; };
 		C0DE34020000000000000001 /* CmuxHelpCommands.swift in Sources */ = {isa = PBXBuildFile; fileRef = C0DE34020000000000000003 /* CmuxHelpCommands.swift */; };
 		C0DE34020000000000000002 /* CmuxHelpResource.swift in Sources */ = {isa = PBXBuildFile; fileRef = C0DE34020000000000000004 /* CmuxHelpResource.swift */; };
 		E7E00000000000000000000B /* CmuxLifecycleEventPublishing.swift in Sources */ = {isa = PBXBuildFile; fileRef = E7E00000000000000000000C /* CmuxLifecycleEventPublishing.swift */; };
@@ -1120,6 +1121,7 @@
 				F53000A0A1B2C3D4E5F60718 /* CMUXAgentVault in Frameworks */,
 				5EDB6027B346C46521A93C74 /* CMUXAuthCore in Frameworks */,
 				C0DE45000000000000000001 /* CmuxExtensionKit in Frameworks */,
+				C0DE45000000000000000004 /* CmuxExtensionSidebarExamples in Frameworks */,
 				3069F1D10000000000000005 /* CMUXPasteboardFidelity in Frameworks */,
 				A5354303A5354303A5354303 /* CMUXSocketPathDomain in Frameworks */,
 				AA11BB22CC33DD44EE550001 /* CMUXWorkstream in Frameworks */,
@@ -1787,6 +1789,7 @@
 				29813FE5A6CBC1019289A251 /* CMUXAuthCore */,
 				AA11BB22CC33DD44EE550002 /* CMUXWorkstream */,
 				C0DE45000000000000000002 /* CmuxExtensionKit */,
+				C0DE45000000000000000005 /* CmuxExtensionSidebarExamples */,
 				3069F1D10000000000000006 /* CMUXPasteboardFidelity */,
 				F53000A2A1B2C3D4E5F60718 /* CMUXAgentVault */,
 				A5B00002A1B2C3D4E5F60718 /* CMUXAgentLaunch */,
@@ -1920,6 +1923,7 @@
 				40B63BB4A170F0BD2D1DEFD1 /* XCLocalSwiftPackageReference "CMUXAuthCore" */,
 				AA11BB22CC33DD44EE550003 /* XCLocalSwiftPackageReference "CMUXWorkstream" */,
 				C0DE45000000000000000003 /* XCLocalSwiftPackageReference "CmuxExtensionKit" */,
+				C0DE45000000000000000006 /* XCLocalSwiftPackageReference "CmuxExtensionSidebarExamples" */,
 				3069F1D10000000000000007 /* XCLocalSwiftPackageReference "CMUXPasteboardFidelity" */,
 				F53000A1A1B2C3D4E5F60718 /* XCLocalSwiftPackageReference "CMUXAgentVault" */,
 				A5B00001A1B2C3D4E5F60718 /* XCLocalSwiftPackageReference "CMUXAgentLaunch" */,
@@ -2975,6 +2979,10 @@
 			isa = XCLocalSwiftPackageReference;
 			relativePath = Packages/CmuxExtensionKit;
 		};
+		C0DE45000000000000000006 /* XCLocalSwiftPackageReference "CmuxExtensionSidebarExamples" */ = {
+			isa = XCLocalSwiftPackageReference;
+			relativePath = Examples/CmuxExtensionSidebarExamples;
+		};
 		3069F1D10000000000000007 /* XCLocalSwiftPackageReference "CMUXPasteboardFidelity" */ = {
 			isa = XCLocalSwiftPackageReference;
 			relativePath = Packages/CMUXPasteboardFidelity;
@@ -3052,6 +3060,11 @@
 			package = C0DE45000000000000000003 /* XCLocalSwiftPackageReference "CmuxExtensionKit" */;
 			productName = CmuxExtensionKit;
 		};
+		C0DE45000000000000000005 /* CmuxExtensionSidebarExamples */ = {
+			isa = XCSwiftPackageProductDependency;
+			package = C0DE45000000000000000006 /* XCLocalSwiftPackageReference "CmuxExtensionSidebarExamples" */;
+			productName = CmuxExtensionSidebarExamples;
+		};
 		3069F1D10000000000000006 /* CMUXPasteboardFidelity */ = {
 			isa = XCSwiftPackageProductDependency;
 			package = 3069F1D10000000000000007 /* XCLocalSwiftPackageReference "CMUXPasteboardFidelity" */;