Default Claude threads to Opus 5 and probe SDK model capabilities

package.json

@@ -76,7 +76,7 @@
   },
   "dependencies": {
     "@agentclientprotocol/sdk": "^1.2.1",
-    "@anthropic-ai/claude-agent-sdk": "^0.3.218",
+    "@anthropic-ai/claude-agent-sdk": "^0.3.219",
     "@aparajita/capacitor-secure-storage": "^8.0.0",
     "@capacitor/app": "^8.1.0",
     "@capacitor/push-notifications": "^8.1.1",

packages/agents-usage/src/clientVersions.ts

@@ -5,10 +5,10 @@
  * one), so these values rot. Bump them here when a provider starts rejecting
  * requests; the host can also override via `HostPort.clientVersions`.
  *
- * Last reviewed: 2026-06-23.
+ * Last reviewed: 2026-07-24.
  */
 export const DEFAULT_CLIENT_VERSIONS = {
-  claudeCode: "2.1.186",
+  claudeCode: "2.1.219",
   codex: "0.50.0",
   copilotChat: "0.26.7",
   editor: "vscode/1.96.2",

pnpm-workspace.yaml

@@ -52,6 +52,16 @@ nodeLinker: hoisted
 
 minimumReleaseAgeExclude:
   # Claude steering relies on the current official SDK lifecycle controls.
+  - "@anthropic-ai/claude-agent-sdk@0.3.219"
+  - "@anthropic-ai/claude-agent-sdk-darwin-arm64@0.3.219"
+  - "@anthropic-ai/claude-agent-sdk-darwin-x64@0.3.219"
+  - "@anthropic-ai/claude-agent-sdk-linux-arm64@0.3.219"
+  - "@anthropic-ai/claude-agent-sdk-linux-arm64-musl@0.3.219"
+  - "@anthropic-ai/claude-agent-sdk-linux-x64@0.3.219"
+  - "@anthropic-ai/claude-agent-sdk-linux-x64-musl@0.3.219"
+  - "@anthropic-ai/claude-agent-sdk-win32-arm64@0.3.219"
+  - "@anthropic-ai/claude-agent-sdk-win32-x64@0.3.219"
+  # Retain the previous release while pnpm validates the pre-update lockfile.
   - "@anthropic-ai/claude-agent-sdk@0.3.218"
   - "@anthropic-ai/claude-agent-sdk-darwin-arm64@0.3.218"
   - "@anthropic-ai/claude-agent-sdk-darwin-x64@0.3.218"

src/renderer/components/providers/claude/index.test.tsx

@@ -8,12 +8,14 @@ import "./index";
 
 const capabilities = {
   models: [
+    { id: "claude-opus-5", label: "Opus 5" },
     { id: "claude-fable-5", label: "Fable 5" },
     { id: "haiku", label: "Haiku" },
   ],
   efforts: ["low", "medium", "high", "xHigh", "max", "ultracode"],
   defaultEffort: "high",
   modelEfforts: {
+    "claude-opus-5": ["low", "medium", "high", "xHigh", "max", "ultracode"],
     "claude-fable-5": ["low", "medium", "high", "xHigh", "max", "ultracode"],
     haiku: [],
   },
@@ -38,6 +40,21 @@ function isPermissionControl(
 }
 
 describe("Claude composer controls", () => {
+  it("allows auto permissions for Opus 5", () => {
+    const controls = getComposerControls("claude")?.({
+      capabilities,
+      config: { model: "claude-opus-5" },
+      isDisabled: false,
+      onConfigChange: () => undefined,
+    });
+
+    const permission = controls?.find(isPermissionControl);
+    expect(permission && "options" in permission ? permission.options : []).toContainEqual({
+      id: "auto",
+      label: "Auto mode",
+    });
+  });
+
   it("allows auto permissions for Fable 5", () => {
     const controls = getComposerControls("claude")?.({
       capabilities,

src/renderer/components/providers/claude/index.tsx

@@ -42,6 +42,7 @@ registerConflictResolverDefaults(PROVIDER_KIND, {
 // Filter it out for Haiku and other models that don't support it.
 const AUTO_CAPABLE_MODELS = new Set([
   "sonnet",
+  "claude-opus-5",
   "claude-fable-5",
   "claude-opus-4-6",
   "claude-opus-4-7",

src/supervisor/agents/claude/argv.test.ts

@@ -3,6 +3,7 @@ import { applyClaudeContextSuffix } from "./argv";
 
 describe("applyClaudeContextSuffix", () => {
   it("derives the suffix from contextSize for built-in models", () => {
+    expect(applyClaudeContextSuffix("claude-opus-5", "1m")).toBe("claude-opus-5[1m]");
     expect(applyClaudeContextSuffix("claude-opus-4-8", "1m")).toBe("claude-opus-4-8[1m]");
     expect(applyClaudeContextSuffix("claude-opus-4-8", "200k")).toBe("claude-opus-4-8");
     expect(applyClaudeContextSuffix("claude-opus-4-8")).toBe("claude-opus-4-8");

src/supervisor/agents/claude/claude.test.ts

@@ -162,8 +162,19 @@ describe("claudeCapabilities", () => {
     expect(claudeCapabilities.fastModels).not.toContain("claude-fable-5");
   });
 
-  it("lists Fable 5 first so it is the default for new threads", () => {
-    expect(claudeCapabilities.models[0]).toEqual({ id: "claude-fable-5", label: "Fable 5" });
+  it("lists Opus 5 first at high effort so it is the default for new threads", () => {
+    expect(claudeCapabilities.models[0]).toEqual({ id: "claude-opus-5", label: "Opus 5" });
+    expect(claudeCapabilities.defaultEffort).toBe("high");
+    expect(claudeCapabilities.modelEfforts["claude-opus-5"]).toEqual([
+      "low",
+      "medium",
+      "high",
+      "xHigh",
+      "max",
+      "ultracode",
+    ]);
+    expect(claudeCapabilities.modelContextSizes?.["claude-opus-5"]).toEqual(["1m"]);
+    expect(claudeCapabilities.fastModels).toContain("claude-opus-5");
   });
 
   it("surfaces Sonnet 5 with frontier effort tiers", () => {

src/supervisor/agents/claude/detection.ts

@@ -1,7 +1,13 @@
 import { compactAgentProviderMetadata, type AgentCapability } from "@/shared/contracts";
-import { CLAUDE_EFFORT_TIERS } from "@/shared/agents/claudeEfforts";
 import { readAgentCommandOutput, type DetectionSpec, type StatusProbeResult } from "../base";
 import { getAgentProbeCwd } from "../probeCwd";
+import {
+  CLAUDE_BUILTIN_FAST_MODELS,
+  CLAUDE_BUILTIN_MODEL_CONTEXT_SIZES,
+  CLAUDE_BUILTIN_MODEL_EFFORTS,
+  CLAUDE_BUILTIN_MODELS,
+  CLAUDE_PREMIUM_EFFORT_TIERS,
+} from "./models";
 import { probeClaudeCapabilities } from "./probe";
 
 /** Default `--permission-mode` when `ThreadConfig.approvalPolicy` is omitted. */
@@ -21,55 +27,20 @@ const CLAUDE_BUILT_IN_SLASH_COMMANDS: AgentCapability["slashCommands"] = [
   },
 ];
 
-/** Effort tiers shared by the frontier models (Opus 4.7/4.8 and Fable 5). */
-const PREMIUM_EFFORT_TIERS: string[] = [...CLAUDE_EFFORT_TIERS];
-
-/**
- * Master switch for the Fable 5 model. Flip to `false` to hide it from the
- * model pickers while keeping its effort/context/auto metadata ready below.
- */
-const FABLE_5_ENABLED = true;
-const SONNET_5_MODEL_ID = "claude-sonnet-5";
-
 export const claudeCapabilities: AgentCapability = {
-  models: [
-    ...(FABLE_5_ENABLED ? [{ id: "claude-fable-5", label: "Fable 5" }] : []),
-    { id: "claude-opus-4-8", label: "Opus 4.8" },
-    { id: "claude-opus-4-7", label: "Opus 4.7" },
-    { id: "claude-opus-4-6", label: "Opus 4.6" },
-    { id: SONNET_5_MODEL_ID, label: "Sonnet 5" },
-    { id: "haiku", label: "Haiku" },
-  ],
-  efforts: PREMIUM_EFFORT_TIERS,
+  models: CLAUDE_BUILTIN_MODELS,
+  efforts: CLAUDE_PREMIUM_EFFORT_TIERS,
   defaultEffort: "high",
-  modelEfforts: {
-    "claude-fable-5": PREMIUM_EFFORT_TIERS,
-    "claude-opus-4-8": PREMIUM_EFFORT_TIERS,
-    "claude-opus-4-7": PREMIUM_EFFORT_TIERS,
-    "claude-opus-4-6": ["low", "medium", "high", "max"],
-    [SONNET_5_MODEL_ID]: PREMIUM_EFFORT_TIERS,
-    haiku: [],
-  },
+  modelEfforts: CLAUDE_BUILTIN_MODEL_EFFORTS,
   contextSizes: [
     { id: "200k", label: "200k" },
     { id: "1m", label: "1M" },
   ],
   // Order matters: the first entry is the per-model default. Frontier models
   // default to 1M (the long-context build users select these for).
-  modelContextSizes: {
-    "claude-fable-5": ["1m"],
-    "claude-opus-4-8": ["1m", "200k"],
-    "claude-opus-4-7": ["1m", "200k"],
-    "claude-opus-4-6": ["1m", "200k"],
-    [SONNET_5_MODEL_ID]: ["1m"],
-    // Legacy `sonnet` alias — dropped from the picker (replaced by Sonnet 5) but
-    // still used by commit-gen defaults and pre-rename threads, so keep it
-    // context-managed (200k default) for backward compatibility. Its presence
-    // here is what keeps it in CLAUDE_CONTEXT_MANAGED_MODEL_IDS below.
-    sonnet: ["200k", "1m"],
-  },
+  modelContextSizes: CLAUDE_BUILTIN_MODEL_CONTEXT_SIZES,
   defaultContextSize: "200k",
-  fastModels: ["claude-opus-4-8", "claude-opus-4-7", "claude-opus-4-6"],
+  fastModels: CLAUDE_BUILTIN_FAST_MODELS,
   modes: ["agent", "plan"],
   approvalPolicies: [
     { id: "default", label: "Default" },