diff --git a/tests/runner-e2e/chat-catalog-descriptors.json b/tests/runner-e2e/chat-catalog-descriptors.json
index 06aa5932d26..1552cfd5dc7 100644
--- a/tests/runner-e2e/chat-catalog-descriptors.json
+++ b/tests/runner-e2e/chat-catalog-descriptors.json
@@ -2626,6 +2626,7 @@
       "../../ui/src/pages/apps/Browse.tsx",
       "../../ui/src/features/connections/ConnectionSetupFlow.tsx",
       "../../ui/src/pages/apps/app-connect-policy.ts",
+      "../../ui/src/components/CoordinatorSidebar.tsx",
       "chat-catalog-domains/external-mcp-failure.ts",
       "chat-catalog-domains/external-provider.ts",
       "chat-catalog-domains/external-support.ts",
diff --git a/tests/runner-e2e/chat-catalog-domains/external-held-gateway.test.ts b/tests/runner-e2e/chat-catalog-domains/external-held-gateway.test.ts
index fac6d45b403..d4abbab4f89 100644
--- a/tests/runner-e2e/chat-catalog-domains/external-held-gateway.test.ts
+++ b/tests/runner-e2e/chat-catalog-domains/external-held-gateway.test.ts
@@ -6,13 +6,15 @@ import {
 } from "./external-mcp-failure.js";
 import { scopedSessionFailureDiagnostic } from "./external-gateway-client.js";
 import type { ExternalObservation } from "./external-support.js";
-function pageFixture(missing?: string) {
+function pageFixture(missing?: string, connectorsInFlyout = false) {
   const actions: string[] = [];
   const page = {
     getByRole: (role: string, options?: { name?: string }) => {
       const name = options?.name ?? "";
       const locator = {
         filter: () => locator,
+        first: () => locator,
+        isVisible: async () => !(connectorsInFlyout && name === "Connectors" && !actions.includes("More workspace pages")),
         getByRole: (_r: string, o: { name: string }) => ({
           click: async () => {
             if (o.name === missing) throw new Error("Missing real control");
@@ -48,6 +50,17 @@ describe("finite held external diagnostics and visible entry correction", () =>
       "actual /RUN/apps/byo",
     ]);
   });
+  it("opens the Coordinator sidebar's More flyout when Connectors is not listed directly", async () => {
+    const { page, actions } = pageFixture(undefined, true);
+    await enterGenericMcpThroughCatalog(page, "RUN");
+    expect(actions).toEqual([
+      "More workspace pages",
+      "Connectors",
+      "Connect",
+      "Connect your own MCP server",
+      "actual /RUN/apps/byo",
+    ]);
+  });
   it("does not rescue a missing catalog entry with direct navigation", async () => {
     for (const name of [
       "Connectors",
diff --git a/tests/runner-e2e/chat-catalog-domains/external-mcp-failure.ts b/tests/runner-e2e/chat-catalog-domains/external-mcp-failure.ts
index 39a807e8453..2dc2d031b17 100644
--- a/tests/runner-e2e/chat-catalog-domains/external-mcp-failure.ts
+++ b/tests/runner-e2e/chat-catalog-domains/external-mcp-failure.ts
@@ -16,7 +16,13 @@ export async function enterGenericMcpThroughCatalog(
   page: Page,
   prefix: string,
 ) {
-  await page.getByRole("link", { name: "Connectors", exact: true }).click();
+  // The Coordinator sidebar keeps Connectors under its More flyout; the
+  // classic sidebar lists it directly. Use whichever the person sees.
+  const direct = page.getByRole("link", { name: "Connectors", exact: true });
+  if (!(await direct.first().isVisible())) {
+    await page.getByRole("button", { name: "More workspace pages", exact: true }).click();
+  }
+  await direct.first().click();
   const card = page
     .getByRole("listitem")
     .filter({
@@ -112,6 +118,7 @@ export const mcpFailureExternalCases = [
         "../../ui/src/pages/apps/Browse.tsx",
         "../../ui/src/features/connections/ConnectionSetupFlow.tsx",
         "../../ui/src/pages/apps/app-connect-policy.ts",
+        "../../ui/src/components/CoordinatorSidebar.tsx",
         "chat-catalog-domains/external-mcp-failure.ts",
         "chat-catalog-domains/external-provider.ts",
         "chat-catalog-domains/external-support.ts",
diff --git a/tests/runner-e2e/chat-catalog-domains/model-option-catalog.test.ts b/tests/runner-e2e/chat-catalog-domains/model-option-catalog.test.ts
index a69069907e6..0ae028120eb 100644
--- a/tests/runner-e2e/chat-catalog-domains/model-option-catalog.test.ts
+++ b/tests/runner-e2e/chat-catalog-domains/model-option-catalog.test.ts
@@ -1,6 +1,6 @@
 import {it, expect} from "vitest";
 import {gradeModelOptions} from "./runtime-runs-adapters.js";
-import {openRouterCatalogScope, modelChoiceMatches, publicOpenRouterCatalogEndpoint} from "./model-option-catalog.js";
+import {openRouterCatalogScope, modelChoiceMatches, observedModelChoices, publicOpenRouterCatalogEndpoint} from "./model-option-catalog.js";
 function valid() {
   const config = {provider:"opencode",model:"openrouter/deepseek/deepseek-v4.1-flash-1017",env:{OPENROUTER_API_KEY:{type:"secret_ref",secretId:"company-openrouter-reference",version:"latest"}}};
   const worker = {id:"morgan",companyId:"company",adapterType:"paperclip_runner",defaultEnvironmentId:"owned",adapterConfig:structuredClone(config)}, lead={...structuredClone(worker),id:"ceo"};
@@ -9,6 +9,7 @@ function valid() {
     agents:[structuredClone(worker),lead],tasks:[],links:[],activity:[],runs:[],humanQueries:[],reply:"Morgan's configured model is `openrouter/deepseek/deepseek-v4.1-flash-1017`. The native options include `opencode/big-pickle`. The public OpenRouter catalog also lists `gpt-5.3-codex` and `anthropic/claude-sonnet-5.5`; availability depends on the selected account/key and environment. Not all catalog models are qualified or tested."};
 }
 it("accepts actually catalogued options with explicit current-account limits, without testing another model",()=>expect(gradeModelOptions(valid()).passed).toBe(true));
+it("treats a family name such as GPT-5.x as prose, not a model ID",()=>{const o=valid();o.reply+=" Coding highlights: the GPT-5.x Codex family, such as `openai/gpt-5.3-codex`.";expect(gradeModelOptions(o).passed).toBe(true);expect(observedModelChoices("GPT-5.x and gpt-5.3-codex")).toEqual(["gpt-5.3-codex"])});
 it("accepts the same options reworded without caveat keywords",()=>{const o=valid();o.reply="Today Morgan runs `openrouter/deepseek/deepseek-v4.1-flash-1017`. Built in: `opencode/big-pickle`. OpenRouter also lists `gpt-5.3-codex` and `anthropic/claude-sonnet-5.5`, but its list is not a promise that the key works for each.";expect(gradeModelOptions(o).passed).toBe(true)});
 it("uses the existing company-scoped public metadata endpoint",()=>expect(publicOpenRouterCatalogEndpoint("company")).toBe("/api/companies/company/adapters/opencode_local/models?provider=openrouter"));
 it.each(["gpt-99-ultra","openrouter/openai/not-a-real-model","wrong-vendor/gpt-5.3-codex","anthropic/gpt-5.3-codex"])("rejects invented/out-of-catalog or wrong-vendor choice %s",id=>{const o=valid();o.reply+=` Another option is \`${id}\`.`;expect(gradeModelOptions(o).passed).toBe(false)});
diff --git a/tests/runner-e2e/chat-catalog-domains/model-option-catalog.ts b/tests/runner-e2e/chat-catalog-domains/model-option-catalog.ts
index dc6aa6f2f4a..614a0813bd2 100644
--- a/tests/runner-e2e/chat-catalog-domains/model-option-catalog.ts
+++ b/tests/runner-e2e/chat-catalog-domains/model-option-catalog.ts
@@ -27,7 +27,9 @@ export function publicOpenRouterCatalogEndpoint(companyId: string) {
 }
 function normalized(id: string) { return id.toLowerCase().replace(/^openrouter\//, ""); }
 export function observedModelChoices(reply: string) {
-  const vendor = [...reply.matchAll(/\b(?:gpt-\d[\w.-]*|o[134](?:-[\w.-]+)?|claude-(?:sonnet|opus|haiku)-[\w.-]+)/gi)].map(m => m[0].replace(/[.,;:!?]+$/, ""));
+  // A family name such as "GPT-5.x" names no model; only concrete IDs are graded.
+  const vendor = [...reply.matchAll(/\b(?:gpt-\d[\w.-]*|o[134](?:-[\w.-]+)?|claude-(?:sonnet|opus|haiku)-[\w.-]+)/gi)].map(m => m[0].replace(/[.,;:!?]+$/, ""))
+    .filter(id => !/(?:^|[-.])x(?:$|[-.])/i.test(id));
   const code = [...reply.matchAll(/`([^`\n]+)`/g)].map(m => m[1]!).filter(s => /^[\w.-]+\/[\w./:+-]+$/.test(s) && !s.includes("://"));
   const plainOpenRouter = [...reply.matchAll(/(?<![\w/:])openrouter\/[a-z0-9][\w.-]*\/[a-z0-9][\w./:+-]*/gi)].map(m => m[0].replace(/[.,;:!?]+$/, ""));
   return [...new Set([...vendor, ...code, ...plainOpenRouter])];