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

src/shared/migration.test.ts

@@ -15,7 +15,7 @@ describe("migrateAgentNames", () => {
   test("migrates legacy OmO names to lowercase", () => {
     // given: Config with legacy OmO agent names
     const agents = {
-      omo: { model: "anthropic/claude-opus-4-5" },
+      omo: { model: "anthropic/claude-opus-4-6" },
       OmO: { temperature: 0.5 },
       "OmO-Plan": { prompt: "custom prompt" },
     }
@@ -84,7 +84,7 @@ describe("migrateAgentNames", () => {
   test("migrates orchestrator-sisyphus to atlas", () => {
     // given: Config with legacy orchestrator-sisyphus agent name
     const agents = {
-      "orchestrator-sisyphus": { model: "anthropic/claude-opus-4-5" },
+      "orchestrator-sisyphus": { model: "anthropic/claude-opus-4-6" },
     }
 
     // when: Migrate agent names
@@ -92,14 +92,14 @@ describe("migrateAgentNames", () => {
 
     // then: orchestrator-sisyphus should be migrated to atlas
     expect(changed).toBe(true)
-    expect(migrated["atlas"]).toEqual({ model: "anthropic/claude-opus-4-5" })
+    expect(migrated["atlas"]).toEqual({ model: "anthropic/claude-opus-4-6" })
     expect(migrated["orchestrator-sisyphus"]).toBeUndefined()
   })
 
   test("migrates lowercase atlas to atlas", () => {
     // given: Config with lowercase atlas agent name
     const agents = {
-      atlas: { model: "anthropic/claude-opus-4-5" },
+      atlas: { model: "anthropic/claude-opus-4-6" },
     }
 
     // when: Migrate agent names
@@ -107,7 +107,7 @@ describe("migrateAgentNames", () => {
 
     // then: lowercase atlas should remain atlas (no change needed)
     expect(changed).toBe(false)
-    expect(migrated["atlas"]).toEqual({ model: "anthropic/claude-opus-4-5" })
+    expect(migrated["atlas"]).toEqual({ model: "anthropic/claude-opus-4-6" })
   })
 
   test("migrates Sisyphus variants to lowercase", () => {
@@ -470,7 +470,7 @@ describe("migrateAgentConfigToCategory", () => {
       { model: "google/gemini-3-flash" },
       { model: "openai/gpt-5.2" },
       { model: "anthropic/claude-haiku-4-5" },
-      { model: "anthropic/claude-opus-4-5" },
+      { model: "anthropic/claude-opus-4-6" },
       { model: "anthropic/claude-sonnet-4-5" },
     ]
 
@@ -550,7 +550,7 @@ describe("shouldDeleteAgentConfig", () => {
     // given: Config with custom model override
     const config = {
       category: "visual-engineering",
-      model: "anthropic/claude-opus-4-5",
+      model: "anthropic/claude-opus-4-6",
     }
 
     // when: Check if config should be deleted