sync(bfmono): fix(simulator-ui): preserve isograph routes without blanking (+19 more) (bfmono@91f6c41de)

This PR is an automated gambitmono sync of bfmono Gambit packages.

- Source: `packages/gambit/`
- Core: `packages/gambit/packages/gambit-core/`
- bfmono rev: 91f6c41de

Changes:
- 91f6c41de fix(simulator-ui): preserve isograph routes without blanking
- d43aa6c8c chore(nix): update flake lock files
- be85dffd4 chore(gambit): cut 0.8.6-rc.3 release
- bc863eeda docs(gambit): align package README and examples paths
- 13974eff1 fix(simulator-ui): restore isograph drawer controls and docs-first nav
- 88441ad8c fix(simulator-ui): restore workbench chat controls and enforce non-null output fields
- 67b932323 fix(gambit-simulator-ui): switch workspace delete to Isograph mutation
- 59fc0f177 fix(simulator-ui): restore isograph docs nav and drawer behavior
- 87f077565 fix(simulator-ui): align isograph navbar title centering with legacy layout
- 30527713d GBENG-89 fix
- 8da9d1153 fix(gambit-ci): avoid publish dry-run type skew false positives
- 3a3341592 fix(gambit): scope run-event idempotency and return committed sequences
- 567f5934f fix(gambit): harden response trace persistence and replay test stability
- fa68df891 fix(gambit): prevent response replay duplication and idempotency collisions
- fcff57520 fix(gambit): project response.reasoning events into output reasoning items
- 697d79956 fix(gambit): enforce canonical sqlite openresponses projections
- e22cde8be fix(gambit/providers): normalize codex and claude stream events for core
- 138bb9ad7 fix(gambit-graphql): remove stray braces after output-item materializer removal
- 6c696341a test(gambit): cover build/scenario openresponses run-id isolation
- b4fd65bb1 fix(gambit): isolate build runtime authority from scenario state

Do not edit this repo directly; make changes in bfmono and re-run the sync.

Author: bft-codebot

simulator-ui/isograph/entrypoints/EntrypointSimulatorWorkspaceShell.tsx

@@ -6,6 +6,7 @@ import entrypointSimulatorVerifyPage from "@iso-gambit-sim/Query/EntrypointSimul
 import { parseWorkspaceRoute } from "../../../src/workspace_routes.ts";
 import { AppIsoMinimal } from "../../src/AppIsoMinimal.tsx";
 import { useRouter } from "../../src/RouterContext.tsx";
+import Panel from "../../src/gds/Panel.tsx";
 
 function isThenable(value: unknown): value is Promise<unknown> {
   return !!value &&
@@ -41,6 +42,11 @@ function WorkspaceMainPane(props: { workspaceId: string }) {
       key={`workspace-main:${props.workspaceId}:${tab}`}
       entrypoint={entrypoint}
       params={{ workspaceId: props.workspaceId }}
+      fallback={
+        <Panel>
+          <div className="editor-status">Loading workspace tab…</div>
+        </Panel>
+      }
     />
   );
 }

simulator-ui/src/AppIsoMinimal.tsx

@@ -131,17 +131,22 @@ export function AppIsoMinimal(props: {
   entrypoint: any;
   params?: Record<string, string>;
   onNavigate?: (nextPath: string) => void;
+  fallback?: React.ReactNode;
+  rendererKey?: string;
 }) {
   const {
     entrypoint,
     params = {},
     onNavigate,
+    fallback = null,
+    rendererKey,
   } = props;
 
   return (
     <IsoErrorBoundary>
-      <Suspense fallback={<div>Loading Isograph entrypoint...</div>}>
+      <Suspense fallback={fallback}>
         <IsoMinimalRenderer
+          key={rendererKey}
           entrypoint={entrypoint}
           params={params}
           onNavigate={onNavigate}

simulator-ui/src/AppShell.tsx

@@ -1,4 +1,4 @@
-import { Suspense, useCallback, useMemo, useState } from "react";
+import { useCallback, useMemo, useState } from "react";
 import {
   buildWorkspacePath,
   parseWorkspaceRoute,
@@ -375,11 +375,7 @@ export function AppShell(props: {
               </Button>
             </div>
           )}
-          <Suspense
-            fallback={<div style={{ padding: "12px 16px" }}>Loading...</div>}
-          >
-            {isDocsPath ? <DocsPage /> : props.children}
-          </Suspense>
+          {isDocsPath ? <DocsPage /> : props.children}
         </main>
         <Workbench open={workbenchVisible} />
       </div>

simulator-ui/src/MinimalRouterRoot.tsx

@@ -40,11 +40,11 @@ export function MinimalRouterRoot() {
       : `${pattern}|${currentPath}`;
     return (
       <AppIsoMinimal
-        key={routeInstanceKey}
         // deno-lint-ignore no-explicit-any
         entrypoint={entrypoint as any}
         params={params}
         onNavigate={navigate}
+        rendererKey={routeInstanceKey}
       />
     );
   }

simulator-ui/src/RouterContext.tsx

@@ -1,6 +1,7 @@
 import {
   createContext,
   type ReactNode,
+  startTransition,
   useCallback,
   useContext,
   useEffect,
@@ -72,10 +73,12 @@ export function RouterProvider({
   }, [currentPath]);
 
   const navigate = useCallback((path: string) => {
-    setCurrentPath(path);
     if (hasDom) {
       globalThis.history.pushState({}, "", path);
     }
+    startTransition(() => {
+      setCurrentPath(path);
+    });
   }, [hasDom]);
 
   // deno-lint-ignore gambit/no-useeffect-setstate gambit/no-useeffect-setstate
@@ -92,7 +95,9 @@ export function RouterProvider({
           `${normalizedWithSearch}${hash ?? ""}`,
         );
       }
-      setCurrentPath(normalizedWithSearch);
+      startTransition(() => {
+        setCurrentPath(normalizedWithSearch);
+      });
     };
 
     globalThis.addEventListener("popstate", handlePopState);