feat(claude): add Opus 5 model

packages/server/src/server/agent/providers/claude/agent.test.ts

@@ -414,6 +414,7 @@ describe("ClaudeAgentClient.fetchCatalog", () => {
       });
 
       expect(models.map((m) => m.id)).toEqual([
+        "claude-opus-5",
         "claude-fable-5",
         "claude-opus-4-8[1m]",
         "claude-opus-4-8",
@@ -433,7 +434,7 @@ describe("ClaudeAgentClient.fetchCatalog", () => {
       }
 
       const defaultModel = models.find((m) => m.isDefault);
-      expect(defaultModel?.id).toBe("claude-opus-4-8");
+      expect(defaultModel?.id).toBe("claude-opus-5");
     } finally {
       await fs.rm(emptyConfigDir, { recursive: true, force: true });
     }
@@ -456,6 +457,7 @@ describe("ClaudeAgentClient.fetchCatalog", () => {
         return models.find((model) => model.id === modelId)?.thinkingOptions?.map(({ id }) => id);
       };
 
+      expect(getThinkingIds("claude-opus-5")).toContain("ultracode");
       expect(getThinkingIds("claude-fable-5")).toContain("ultracode");
       expect(getThinkingIds("claude-opus-4-8[1m]")).toContain("ultracode");
       expect(getThinkingIds("claude-opus-4-8")).toContain("ultracode");

packages/server/src/server/agent/providers/claude/model-manifest.ts

@@ -30,6 +30,15 @@ export const CLAUDE_DISABLED_THINKING_OPTION_ID = "off";
 export const CLAUDE_ULTRACODE_THINKING_OPTION_ID = "ultracode";
 
 export const CLAUDE_MODEL_MANIFEST = [
+  {
+    id: "claude-opus-5",
+    label: "Opus 5",
+    description: "Opus 5 · Latest release",
+    isDefault: true,
+    contextWindowMaxTokens: 1_000_000,
+    effortLevels: CLAUDE_EFFORT_LEVELS.xhigh,
+    supportsThinkingDisabled: true,
+  },
   {
     id: "claude-fable-5",
     label: "Fable 5",
@@ -49,8 +58,7 @@ export const CLAUDE_MODEL_MANIFEST = [
   {
     id: "claude-opus-4-8",
     label: "Opus 4.8",
-    description: "Opus 4.8 · Latest release",
+    description: "Opus 4.8 · Previous release",
-    isDefault: true,
     contextWindowMaxTokens: 200_000,
     effortLevels: CLAUDE_EFFORT_LEVELS.xhigh,
     supportsThinkingDisabled: true,

packages/server/src/server/agent/providers/claude/models.test.ts

@@ -42,6 +42,7 @@ describe("getClaudeModels", () => {
   it("returns all claude models", () => {
     const models = getClaudeModels();
     expect(models.map((m) => m.id)).toEqual([
+      "claude-opus-5",
       "claude-fable-5",
       "claude-opus-4-8[1m]",
       "claude-opus-4-8",
@@ -60,7 +61,7 @@ describe("getClaudeModels", () => {
     const models = getClaudeModels();
     const defaults = models.filter((m) => m.isDefault);
     expect(defaults).toHaveLength(1);
-    expect(defaults[0].id).toBe("claude-opus-4-8");
+    expect(defaults[0].id).toBe("claude-opus-5");
   });
 
   it("defines context window sizes in the catalog", () => {
@@ -70,6 +71,7 @@ describe("getClaudeModels", () => {
 
     expect(contextWindows).toEqual(
       new Map([
+        ["claude-opus-5", 1_000_000],
         ["claude-fable-5", 1_000_000],
         ["claude-opus-4-8[1m]", 1_000_000],
         ["claude-opus-4-8", 200_000],
@@ -88,6 +90,15 @@ describe("getClaudeModels", () => {
   it("derives thinking options from model effort capabilities", () => {
     const models = new Map(getClaudeModels().map((model) => [model.id, model]));
 
+    expect(models.get("claude-opus-5")?.thinkingOptions?.map((option) => option.id)).toEqual([
+      CLAUDE_DISABLED_THINKING_OPTION_ID,
+      "low",
+      "medium",
+      "high",
+      "xhigh",
+      "max",
+      CLAUDE_ULTRACODE_THINKING_OPTION_ID,
+    ]);
     expect(models.get("claude-sonnet-5")?.thinkingOptions?.map((option) => option.id)).toEqual([
       CLAUDE_DISABLED_THINKING_OPTION_ID,
       "low",
@@ -128,6 +139,8 @@ describe("getClaudeModels", () => {
   });
 
   it.each([
+    ["claude-opus-5", true, "low"],
+    ["claude-opus-5-20260724", true, "low"],
     ["claude-sonnet-5", true, "low"],
     ["claude-sonnet-5-20260101", true, "low"],
     ["claude-fable-5", false, "low"],
@@ -286,6 +299,7 @@ describe("ClaudeAgentClient.fetchCatalog", () => {
 
 describe("normalizeClaudeRuntimeModelId", () => {
   it("returns exact match for known model IDs", () => {
+    expect(normalizeClaudeRuntimeModelId("claude-opus-5")).toBe("claude-opus-5");
     expect(normalizeClaudeRuntimeModelId("claude-fable-5")).toBe("claude-fable-5");
     expect(normalizeClaudeRuntimeModelId("claude-sonnet-5")).toBe("claude-sonnet-5");
     expect(normalizeClaudeRuntimeModelId("claude-opus-4-6")).toBe("claude-opus-4-6");
@@ -295,6 +309,7 @@ describe("normalizeClaudeRuntimeModelId", () => {
   });
 
   it("normalizes dated model IDs to base model", () => {
+    expect(normalizeClaudeRuntimeModelId("claude-opus-5-20260724")).toBe("claude-opus-5");
     expect(normalizeClaudeRuntimeModelId("claude-fable-5-20260301")).toBe("claude-fable-5");
     expect(normalizeClaudeRuntimeModelId("claude-sonnet-5-20260101")).toBe("claude-sonnet-5");
     expect(normalizeClaudeRuntimeModelId("claude-opus-4-6-20260101")).toBe("claude-opus-4-6");