fix: installer writes hyphenated anthropic IDs, variant=max Anthropic OAuth compat (#3429, #3459)

src/cli/config-manager/generate-omo-config.test.ts

@@ -74,7 +74,7 @@ describe("generateOmoConfig - model fallback system", () => {
 
     //#then
     expect((result.agents as Record<string, { model: string }>).librarian.model).toBe("zai-coding-plan/glm-4.7")
-    expect((result.agents as Record<string, { model: string }>).sisyphus.model).toBe("anthropic/claude-opus-4.6")
+    expect((result.agents as Record<string, { model: string }>).sisyphus.model).toBe("anthropic/claude-opus-4-6")
   })
 
   test("uses native OpenAI models when only ChatGPT available", () => {
@@ -131,7 +131,7 @@ describe("generateOmoConfig - model fallback system", () => {
     }>
 
     //#then
-    expect(agents.sisyphus.model).toBe("anthropic/claude-opus-4.6")
+    expect(agents.sisyphus.model).toBe("anthropic/claude-opus-4-6")
     expect(agents.sisyphus.fallback_models).toEqual([
       {
         model: "openai/gpt-5.4",
@@ -141,7 +141,7 @@ describe("generateOmoConfig - model fallback system", () => {
     expect(categories.deep.model).toBe("openai/gpt-5.4")
     expect(categories.deep.fallback_models).toEqual([
       {
-        model: "anthropic/claude-opus-4.6",
+        model: "anthropic/claude-opus-4-6",
         variant: "max",
       },
     ])

src/cli/model-fallback.test.ts

@@ -381,7 +381,7 @@ describe("generateModelConfig", () => {
       const result = generateModelConfig(config)
 
       // #then
-      expect(result.agents?.sisyphus?.model).toBe("anthropic/claude-opus-4.6")
+      expect(result.agents?.sisyphus?.model).toBe("anthropic/claude-opus-4-6")
     })
 
     test("Sisyphus is created when multiple fallback providers are available", () => {
@@ -398,7 +398,7 @@ describe("generateModelConfig", () => {
       const result = generateModelConfig(config)
 
       // #then
-      expect(result.agents?.sisyphus?.model).toBe("anthropic/claude-opus-4.6")
+      expect(result.agents?.sisyphus?.model).toBe("anthropic/claude-opus-4-6")
     })
 
     test("Sisyphus resolves to gpt-5.4 medium when only OpenAI is available", () => {
@@ -573,13 +573,9 @@ describe("generateModelConfig", () => {
       // #when generateModelConfig is called
       const result = generateModelConfig(config)
 
-      // #then explore should not have fallback_models (only one chain entry matches)
+      // #then explore should not have fallback_models (only one distinct chain entry matches)
       expect(result.agents?.explore?.model).toBe("anthropic/claude-haiku-4-5")
-      expect(result.agents?.explore?.fallback_models).toEqual([
-        {
-          model: "anthropic/claude-haiku-4.5",
-        },
-      ])
+      expect(result.agents?.explore?.fallback_models).toBeUndefined()
     })
 
     test("librarian includes fallback_models when opencode-go and Claude are both available", () => {
@@ -672,7 +668,7 @@ describe("generateModelConfig", () => {
       const result = generateModelConfig(config)
 
       // #then should prefer native anthropic over gateway
-      expect(result.agents?.sisyphus?.model).toBe("anthropic/claude-opus-4.6")
+      expect(result.agents?.sisyphus?.model).toBe("anthropic/claude-opus-4-6")
     })
   })
 

src/cli/provider-model-id-transform.test.ts

@@ -165,7 +165,7 @@ describe("transformModelForProvider", () => {
   })
 
   describe("anthropic provider", () => {
-    test("transforms claude-opus-4-6 to claude-opus-4.6", () => {
+    test("preserves hyphenated claude-opus-4-6 for config output (regression: installer must not write dotted IDs)", () => {
       // #given anthropic provider and claude-opus-4-6 model
       const provider = "anthropic"
       const model = "claude-opus-4-6"
@@ -173,11 +173,11 @@ describe("transformModelForProvider", () => {
       // #when transformModelForProvider is called
       const result = transformModelForProvider(provider, model)
 
-      // #then should transform to claude-opus-4.6
-      expect(result).toBe("claude-opus-4.6")
+      // #then should keep hyphenated form so Anthropic provider resolution succeeds on fresh installs
+      expect(result).toBe("claude-opus-4-6")
     })
 
-    test("transforms claude-sonnet-4-6 to claude-sonnet-4.6", () => {
+    test("preserves hyphenated claude-sonnet-4-6 for config output", () => {
       // #given anthropic provider and claude-sonnet-4-6 model
       const provider = "anthropic"
       const model = "claude-sonnet-4-6"
@@ -185,11 +185,11 @@ describe("transformModelForProvider", () => {
       // #when transformModelForProvider is called
       const result = transformModelForProvider(provider, model)
 
-      // #then should transform to claude-sonnet-4.6
-      expect(result).toBe("claude-sonnet-4.6")
+      // #then should keep hyphenated form
+      expect(result).toBe("claude-sonnet-4-6")
     })
 
-    test("transforms claude-haiku-4-5 to claude-haiku-4.5", () => {
+    test("preserves hyphenated claude-haiku-4-5 for config output", () => {
       // #given anthropic provider and claude-haiku-4-5 model
       const provider = "anthropic"
       const model = "claude-haiku-4-5"
@@ -197,8 +197,8 @@ describe("transformModelForProvider", () => {
       // #when transformModelForProvider is called
       const result = transformModelForProvider(provider, model)
 
-      // #then should transform to claude-haiku-4.5
-      expect(result).toBe("claude-haiku-4.5")
+      // #then should keep hyphenated form
+      expect(result).toBe("claude-haiku-4-5")
     })
   })
 
@@ -338,14 +338,16 @@ describe("transformModelForProvider", () => {
     })
   })
 
-  test("uses a CLI-local transform implementation", () => {
-    // #given
+  test("uses a CLI-local transform implementation distinct from the shared runtime transform", () => {
+    // #given the CLI transform (used by the installer) and the shared runtime transform
     const cliResult = transformModelForProvider("anthropic", "claude-opus-4-6")
     const sharedResult = transformSharedModelForProvider("anthropic", "claude-opus-4-6")
 
-    // #when
+    // #when both are called with the same anthropic claude input
+    // #then the CLI preserves hyphenated form for config output,
+    //       the shared runtime transform converts dash→dot for API calls
     expect(transformModelForProvider).not.toBe(transformSharedModelForProvider)
-    expect(cliResult).toBe("claude-opus-4.6")
+    expect(cliResult).toBe("claude-opus-4-6")
     expect(sharedResult).toBe("claude-opus-4.6")
   })
 })

src/cli/provider-model-id-transform.ts

@@ -54,7 +54,12 @@ export function transformModelForProvider(provider: string, model: string): stri
   }
 
   if (provider === "anthropic") {
-    return claudeVersionDot(model)
+    // Installer writes hyphenated IDs (claude-opus-4-6) to the config. The
+    // runtime provider-model-id-transform converts dash→dot when calling the
+    // Anthropic API. Keeping the dotted form in the config breaks fresh
+    // installs with ProviderModelNotFoundError because Anthropic's provider
+    // registers models under hyphenated IDs.
+    return model
   }
 
   return model