chore: update claude-opus-4-5 references to claude-opus-4-6 (excludes antigravity models)

src/cli/config-manager.test.ts

@@ -298,8 +298,8 @@ describe("generateOmoConfig - model fallback system", () => {
     // #when generating config
     const result = generateOmoConfig(config)
 
-    // #then Sisyphus uses Copilot (OR logic - copilot is in claude-opus-4-5 providers)
-    expect((result.agents as Record<string, { model: string }>).sisyphus.model).toBe("github-copilot/claude-opus-4.5")
+    // #then Sisyphus uses Copilot (OR logic - copilot is in claude-opus-4-6 providers)
+    expect((result.agents as Record<string, { model: string }>).sisyphus.model).toBe("github-copilot/claude-opus-4.6")
   })
 
   test("uses ultimate fallback when no providers configured", () => {

src/cli/doctor/checks/model-resolution.test.ts

@@ -42,7 +42,7 @@ describe("model-resolution check", () => {
       // given: User has override for oracle agent
       const mockConfig = {
         agents: {
-          oracle: { model: "anthropic/claude-opus-4-5" },
+          oracle: { model: "anthropic/claude-opus-4-6" },
         },
       }
 
@@ -51,8 +51,8 @@ describe("model-resolution check", () => {
       // then: Oracle should show the override
       const oracle = info.agents.find((a) => a.name === "oracle")
       expect(oracle).toBeDefined()
-      expect(oracle!.userOverride).toBe("anthropic/claude-opus-4-5")
-      expect(oracle!.effectiveResolution).toBe("User override: anthropic/claude-opus-4-5")
+      expect(oracle!.userOverride).toBe("anthropic/claude-opus-4-6")
+      expect(oracle!.effectiveResolution).toBe("User override: anthropic/claude-opus-4-6")
     })
 
     it("shows user override for category when configured", async () => {

src/cli/index.ts

@@ -43,7 +43,7 @@ Model Providers (Priority: Native > Copilot > OpenCode Zen > Z.ai > Kimi):
   OpenAI        Native openai/ models (GPT-5.2 for Oracle)
   Gemini        Native google/ models (Gemini 3 Pro, Flash)
   Copilot       github-copilot/ models (fallback)
-  OpenCode Zen  opencode/ models (opencode/claude-opus-4-5, etc.)
+  OpenCode Zen  opencode/ models (opencode/claude-opus-4-6, etc.)
   Z.ai          zai-coding-plan/glm-4.7 (Librarian priority)
   Kimi          kimi-for-coding/k2p5 (Sisyphus/Prometheus fallback)
 `)

src/cli/install.ts

@@ -243,7 +243,7 @@ async function runTuiMode(detected: DetectedConfig): Promise<InstallConfig | nul
     message: "Do you have access to OpenCode Zen (opencode/ models)?",
     options: [
       { value: "no" as const, label: "No", hint: "Will use other configured providers" },
-      { value: "yes" as const, label: "Yes", hint: "opencode/claude-opus-4-5, opencode/gpt-5.2, etc." },
+      { value: "yes" as const, label: "Yes", hint: "opencode/claude-opus-4-6, opencode/gpt-5.2, etc." },
     ],
     initialValue: initial.opencodeZen,
   })

src/cli/model-fallback.ts

@@ -71,7 +71,7 @@ function isProviderAvailable(provider: string, avail: ProviderAvailability): boo
 function transformModelForProvider(provider: string, model: string): string {
   if (provider === "github-copilot") {
     return model
-      .replace("claude-opus-4-5", "claude-opus-4.5")
+      .replace("claude-opus-4-6", "claude-opus-4.6")
       .replace("claude-sonnet-4-5", "claude-sonnet-4.5")
       .replace("claude-haiku-4-5", "claude-haiku-4.5")
       .replace("claude-sonnet-4", "claude-sonnet-4")