Reference claude-opus-5 in model examples and test fixtures

Opus 5 is out at the same price as Opus 4.8 ($5/$25 per MTok); update the
config example comments and the test fixtures that model the current
Anthropic catalog. Historical incident comments and the ROADMAP changelog
keep their claude-opus-4-8 mentions — they describe what happened at the
time.

.expo-code-review/config.jsonc

@@ -8,7 +8,7 @@
   // Add or remove files to change the roster — no list needed here.
   // shared.md (prepended to every agent + coordinator) and coordinator.md are
   // reserved filenames. Per-agent overrides go in each file's YAML frontmatter,
-  // e.g. `---\nmodel: anthropic/claude-opus-4-1\n---`.
+  // e.g. `---\nmodel: anthropic/claude-opus-5\n---`.
 
   "policy": {
     // Phase 1: keep signal high by surfacing only critical/warning.

src/__tests__/opencode.test.ts

@@ -192,13 +192,13 @@ test("a stall is retried exactly once, and only with budget left to land it", ()
 // claude-opus-4-8" — a real config/version problem buried in per-pass noise.
 
 const AVAILABLE = {
-  anthropic: ["claude-opus-4-8", "claude-sonnet-5", "claude-haiku-4-5"],
+  anthropic: ["claude-opus-5", "claude-sonnet-5", "claude-haiku-4-5"],
   openai: ["gpt-5.5"],
 };
 
 test("resolvable models produce no complaints", () => {
   expect(
-    findUnknownModels(["anthropic/claude-sonnet-5", "anthropic/claude-opus-4-8"], AVAILABLE),
+    findUnknownModels(["anthropic/claude-sonnet-5", "anthropic/claude-opus-5"], AVAILABLE),
   ).toEqual([]);
 });
 
@@ -212,7 +212,7 @@ test("unknown model suggests near matches from that provider", () => {
   const [problem] = findUnknownModels(["anthropic/claude-sonnet-9"], AVAILABLE);
   expect(problem?.reason).toBe("model");
   // Prefix-matched against the requested id, so the suggestions are the plausible ones.
-  expect(problem?.suggestions).toEqual(["claude-haiku-4-5", "claude-opus-4-8", "claude-sonnet-5"]);
+  expect(problem?.suggestions).toEqual(["claude-haiku-4-5", "claude-opus-5", "claude-sonnet-5"]);
 });
 
 test("a bare model id (no provider) is reported, not silently accepted", () => {
@@ -235,7 +235,7 @@ test("duplicate model ids are reported once", () => {
 
 test("a refused credential blames the credential, not the model id", () => {
   const unknown = findUnknownModels(
-    ["anthropic/claude-sonnet-5", "anthropic/claude-opus-4-8"],
+    ["anthropic/claude-sonnet-5", "anthropic/claude-opus-5"],
     { openai: ["gpt-5.5"] },
     "anthropic",
   );

src/__tests__/scope-config.test.ts

@@ -96,7 +96,7 @@ test("loadScopeConfig: nested scope reads its own roster/prompts; auth forced fr
   await writeConfigDir(path.join(root, "server", "www", CONFIG_DIRNAME), {
     // No auth here; scope-specific model + noise override the root.
     config:
-      '{ "model": "anthropic/claude-opus-4-1", "noise": { "additionalIgnores": ["www/gen/**"] } }',
+      '{ "model": "anthropic/claude-opus-5", "noise": { "additionalIgnores": ["www/gen/**"] } }',
     agents: { style: agent("style") },
   });
   const manifest = manifestOf({
@@ -109,7 +109,7 @@ test("loadScopeConfig: nested scope reads its own roster/prompts; auth forced fr
   const scoped = await loadScopeConfig(root, manifest.scopes[1]!, manifest, rootConfig);
   expect(scoped.agents.some((a) => a.id === "style")).toBe(true);
   expect(scoped.noise.additionalIgnores).toEqual(["www/gen/**"]);
-  expect(scoped.agents.find((a) => a.id === "style")!.model).toBe("anthropic/claude-opus-4-1");
+  expect(scoped.agents.find((a) => a.id === "style")!.model).toBe("anthropic/claude-opus-5");
   // auth is forced from the root even though the scope config declares none.
   expect(scoped.auth[0]?.tokenEnv).toBe("ROOT_TOKEN");
 });
@@ -237,7 +237,7 @@ test("config-dir override composes: root config + routing.jsonc from override, s
   );
   // The scope subtree lives at the REPO ROOT, not under the override dir.
   await writeConfigDir(path.join(root, "server", "www", CONFIG_DIRNAME), {
-    config: '{ "model": "anthropic/claude-opus-4-1" }',
+    config: '{ "model": "anthropic/claude-opus-5" }',
     agents: { style: agent("style") },
   });
 
@@ -258,7 +258,7 @@ test("config-dir override composes: root config + routing.jsonc from override, s
   // override dir — the override must not relocate the scopes themselves.
   const www = await loadScopeConfig(root, manifest!.scopes[1]!, manifest!, rootConfig);
   expect(www.agents.some((a) => a.id === "style")).toBe(true);
-  expect(www.agents.find((a) => a.id === "style")!.model).toBe("anthropic/claude-opus-4-1");
+  expect(www.agents.find((a) => a.id === "style")!.model).toBe("anthropic/claude-opus-5");
 });
 
 test("loadReviewConfig: ECR_CONFIG_DIR loads from the alternate dir; unset → .expo-code-review (BACKCOMPAT)", async () => {