feat: update defautls

apps/code/src/main/services/agent/service.test.ts

@@ -89,9 +89,12 @@ vi.mock("@posthog/agent/posthog-api", () => ({
 }));
 
 vi.mock("@posthog/agent/gateway-models", () => ({
+  DEFAULT_GATEWAY_MODEL: "claude-opus-4-8",
+  DEFAULT_CODEX_MODEL: "gpt-5.5",
   fetchGatewayModels: vi.fn().mockResolvedValue([]),
   formatGatewayModelName: vi.fn(),
   getProviderName: vi.fn(),
+  isBlockedModelId: vi.fn().mockReturnValue(false),
 }));
 
 vi.mock("@posthog/agent/adapters/claude/session/jsonl-hydration", () => ({

apps/code/src/main/services/llm-gateway/schemas.ts

@@ -1,3 +1,4 @@
+import { DEFAULT_GATEWAY_MODEL } from "@posthog/agent/gateway-models";
 import { z } from "zod";
 
 export const llmMessageSchema = z.object({
@@ -11,7 +12,7 @@ export const promptInput = z.object({
   system: z.string().optional(),
   messages: z.array(llmMessageSchema),
   maxTokens: z.number().optional(),
-  model: z.string().default("claude-haiku-4-5"),
+  model: z.string().default(DEFAULT_GATEWAY_MODEL),
 });
 
 export type PromptInput = z.infer<typeof promptInput>;

apps/code/src/main/services/llm-gateway/service.ts

@@ -1,3 +1,4 @@
+import { DEFAULT_GATEWAY_MODEL } from "@posthog/agent/gateway-models";
 import {
   getGatewayInvalidatePlanCacheUrl,
   getGatewayUsageUrl,
@@ -51,7 +52,7 @@ export class LlmGatewayService {
     const {
       system,
       maxTokens,
-      model = "claude-haiku-4-5",
+      model = DEFAULT_GATEWAY_MODEL,
       signal,
       timeoutMs = 60_000,
     } = options;

apps/code/src/renderer/api/posthogClient.test.ts

@@ -115,11 +115,11 @@ describe("PostHogAPIClient", () => {
     await expect(
       client.runTaskInCloud("task-123", "feature/legacy-effort", {
         adapter: "claude",
-        model: "claude-opus-4-6",
+        model: "claude-opus-4-8",
         reasoningLevel: "minimal",
       }),
     ).rejects.toThrow(
-      "Reasoning effort 'minimal' is not supported for claude model 'claude-opus-4-6'.",
+      "Reasoning effort 'minimal' is not supported for claude model 'claude-opus-4-8'.",
     );
 
     expect(post).not.toHaveBeenCalled();

apps/code/src/renderer/features/message-editor/components/PromptInput.stories.tsx

@@ -15,23 +15,22 @@ const mockModelOption = {
   id: "model",
   name: "Model",
   type: "select" as const,
-  currentValue: "gpt-5.4",
+  currentValue: "gpt-5.5",
   options: [
     {
       group: "recommended",
       name: "Recommended",
       options: [
-        { value: "gpt-5.4", name: "GPT 5.4" },
+        { value: "gpt-5.5", name: "gpt-5.5" },
         { value: "claude-sonnet-4-6", name: "Claude Sonnet 4.6" },
       ],
     },
     {
       group: "other",
       name: "Other",
       options: [
-        { value: "claude-opus-4-6", name: "Claude Opus 4.6" },
+        { value: "claude-opus-4-8", name: "Claude Opus 4.8" },
         { value: "o3-pro", name: "o3-pro" },
-        { value: "claude-haiku-4-5", name: "Claude Haiku 4.5" },
       ],
     },
   ],

apps/mobile/src/features/inbox/components/TinderView.tsx

@@ -17,6 +17,7 @@ import {
 } from "react-native-safe-area-context";
 import { MarkdownText } from "@/features/chat/components/MarkdownText";
 import { createTask, runTaskInCloud } from "@/features/tasks/api";
+import { DEFAULT_MODEL } from "@/features/tasks/composer/options";
 import type {
   CreateTaskOptions,
   RepositoryOption,
@@ -206,7 +207,7 @@ export function TinderView({
         await runTaskInCloud(task.id, {
           pendingUserMessage: prompt,
           runtimeAdapter: "claude",
-          model: "claude-opus-4-7",
+          model: DEFAULT_MODEL,
           initialPermissionMode: "plan",
           runSource: "signal_report",
           signalReportId: report.id,

apps/mobile/src/features/tasks/api.ts

@@ -406,7 +406,7 @@ export interface RunTaskInCloudOptions {
   mode?: "interactive" | "background";
   /** Adapter to use on the cloud runner. Currently only "claude" on mobile. */
   runtimeAdapter?: "claude" | "codex";
-  /** Gateway model ID, e.g. "claude-opus-4-7". */
+  /** Gateway model ID, e.g. "claude-opus-4-8". */
   model?: string;
   /** Reasoning effort: "low" | "medium" | "high" (model-dependent). */
   reasoningEffort?: string;

apps/mobile/src/features/tasks/composer/options.ts

@@ -37,8 +37,8 @@ export interface ModelOption {
 
 export const MODELS: ModelOption[] = [
   {
-    value: "claude-opus-4-7",
-    label: "Claude Opus 4.7",
+    value: "claude-opus-4-8",
+    label: "Claude Opus 4.8",
     description: "Most capable, slower",
     supportsReasoning: true,
   },
@@ -48,12 +48,6 @@ export const MODELS: ModelOption[] = [
     description: "Balanced",
     supportsReasoning: true,
   },
-  {
-    value: "claude-haiku-4-5",
-    label: "Claude Haiku 4.5",
-    description: "Fastest",
-    supportsReasoning: false,
-  },
 ];
 
 export const REASONING_LEVELS: {
@@ -68,7 +62,7 @@ export const REASONING_LEVELS: {
 ];
 
 export const DEFAULT_EXECUTION_MODE: ExecutionMode = "plan";
-export const DEFAULT_MODEL = "claude-opus-4-7";
+export const DEFAULT_MODEL = "claude-opus-4-8";
 export const DEFAULT_REASONING: ReasoningEffort = "high";
 
 export function modelLabel(value: string): string {

packages/agent/src/adapters/claude/claude-agent.ts

@@ -1182,7 +1182,7 @@ export class ClaudeAcpAgent extends BaseAcpAgent {
 
     // For model options, fall back to alias resolution when exact match fails.
     // This lets callers use human-friendly aliases like "opus" or "sonnet"
-    // instead of full model IDs like "claude-opus-4-6".
+    // instead of full model IDs like "claude-opus-4-8".
     if (!validValue && params.configId === "model") {
       const resolved = resolveModelPreference(params.value, allValues);
       if (resolved) {

packages/agent/src/adapters/claude/session/jsonl-hydration.test.ts

@@ -376,7 +376,7 @@ describe("conversationTurnsToJsonlEntries", () => {
       { type: "text", text: "running" },
     ]);
     expect(conv[0].message.stop_reason).toBeNull();
-    expect(conv[0].message.model).toBe("claude-opus-4-6");
+    expect(conv[0].message.model).toBe("claude-opus-4-8");
     expect(conv[0].message.id).toMatch(/^msg_01[A-Za-z0-9]{24}$/);
 
     expect(conv[1].type).toBe("assistant");
@@ -490,13 +490,13 @@ describe("conversationTurnsToJsonlEntries", () => {
         { role: "user", content: [{ type: "text", text: "hi" }] },
         { role: "assistant", content: [{ type: "text", text: "hello" }] },
       ],
-      { sessionId: "s", cwd: "/", model: "claude-opus-4-6", version: "3.0.0" },
+      { sessionId: "s", cwd: "/", model: "claude-opus-4-7", version: "3.0.0" },
     );
 
     const conv = parseConversationEntries(lines);
     expect(conv[0].version).toBe("3.0.0");
     expect(conv[1].version).toBe("3.0.0");
-    expect(conv[1].message.model).toBe("claude-opus-4-6");
+    expect(conv[1].message.model).toBe("claude-opus-4-7");
   });
 
   it("passes gitBranch, slug and permissionMode from config", () => {
@@ -728,7 +728,7 @@ describe("end-to-end: S3 log entries -> JSONL output", () => {
     // All assistant blocks in same turn share message.id
     expect(msg1.id).toBe(msg2.id);
     expect(msg2.id).toBe(msg3.id);
-    expect(msg3.model).toBe("claude-opus-4-6");
+    expect(msg3.model).toBe("claude-opus-4-8");
     expect(msg3.id).toMatch(/^msg_01[A-Za-z0-9]{24}$/);
 
     // Verify Bash tool_result entry

packages/agent/src/adapters/claude/session/jsonl-hydration.ts

@@ -3,6 +3,7 @@ import * as fs from "node:fs/promises";
 import * as os from "node:os";
 import * as path from "node:path";
 import type { ContentBlock } from "@agentclientprotocol/sdk";
+import { DEFAULT_GATEWAY_MODEL } from "../../../gateway-models";
 import type { PostHogAPIClient } from "../../../posthog-api";
 import type { StoredEntry } from "../../../types";
 import { supports1MContext } from "./models";
@@ -312,7 +313,7 @@ export function conversationTurnsToJsonlEntries(
 ): string[] {
   const lines: string[] = [];
   let parentUuid: string | null = null;
-  const model = config.model ?? "claude-opus-4-6";
+  const model = config.model ?? DEFAULT_GATEWAY_MODEL;
   const version = config.version ?? "2.1.63";
   const gitBranch = config.gitBranch ?? "";
   const slug = config.slug ?? generateSlug();

packages/agent/src/adapters/claude/session/model-config.test.ts

@@ -15,7 +15,7 @@ const rawModelOptions = {
 describe("applyAvailableModelsAllowlist", () => {
   it("falls back to the unfiltered gateway list when every allowlisted model is unknown", () => {
     expect(
-      applyAvailableModelsAllowlist(rawModelOptions, ["claude-opus-4-5"]),
+      applyAvailableModelsAllowlist(rawModelOptions, ["claude-unknown-model"]),
     ).toEqual(rawModelOptions);
   });
 

packages/agent/src/adapters/claude/session/models.test.ts

@@ -14,41 +14,53 @@ describe("toSdkModelId", () => {
     expect(toSdkModelId("claude-opus-4-7")).toBe("opus");
     expect(toSdkModelId("claude-opus-4-8")).toBe("opus");
     expect(toSdkModelId("claude-sonnet-4-6")).toBe("sonnet");
-    expect(toSdkModelId("claude-haiku-4-5")).toBe("haiku");
   });
 
   it("passes unknown IDs through unchanged", () => {
     expect(toSdkModelId("custom-model")).toBe("custom-model");
   });
+
+  it("passes deprecated gateway IDs through unchanged", () => {
+    expect(toSdkModelId("claude-opus-4-6")).toBe("claude-opus-4-6");
+    expect(toSdkModelId("claude-sonnet-4-5")).toBe("claude-sonnet-4-5");
+    expect(toSdkModelId("claude-haiku-4-5")).toBe("claude-haiku-4-5");
+  });
 });
 
 describe("model capability flags", () => {
   it("flags 1M context support", () => {
+    expect(supports1MContext("claude-opus-4-6")).toBe(false);
     expect(supports1MContext("claude-opus-4-7")).toBe(true);
     expect(supports1MContext("claude-sonnet-4-6")).toBe(true);
     expect(supports1MContext("claude-haiku-4-5")).toBe(false);
   });
 
   it("flags effort support and xhigh-effort support", () => {
-    expect(supportsEffort("claude-opus-4-5")).toBe(true);
+    expect(supportsEffort("claude-opus-4-5")).toBe(false);
+    expect(supportsEffort("claude-opus-4-6")).toBe(false);
     expect(supportsXhighEffort("claude-opus-4-7")).toBe(true);
-    expect(supportsXhighEffort("claude-opus-4-5")).toBe(false);
+    expect(supportsXhighEffort("claude-opus-4-6")).toBe(false);
     expect(supportsEffort("claude-haiku-4-5")).toBe(false);
   });
 
-  it("excludes MCP injection only for Haiku", () => {
+  it("allows MCP injection for supported Claude models", () => {
     expect(supportsMcpInjection("claude-opus-4-7")).toBe(true);
+    expect(supportsMcpInjection("claude-sonnet-4-6")).toBe(true);
+  });
+
+  it("keeps deprecated Haiku sessions excluded from MCP injection", () => {
     expect(supportsMcpInjection("claude-haiku-4-5")).toBe(false);
   });
 });
 
 describe("getEffortOptions", () => {
   it("returns null for models without effort support", () => {
     expect(getEffortOptions("claude-haiku-4-5")).toBeNull();
+    expect(getEffortOptions("claude-opus-4-6")).toBeNull();
   });
 
   it("returns low/medium/high for effort-supporting models", () => {
-    const opts = getEffortOptions("claude-opus-4-5");
+    const opts = getEffortOptions("claude-sonnet-4-6");
     expect(opts?.map((o) => o.value)).toEqual(["low", "medium", "high"]);
   });
 
@@ -68,9 +80,7 @@ describe("resolveModelPreference", () => {
   const options = [
     { value: "claude-opus-4-8", name: "Claude Opus 4.8" },
     { value: "claude-opus-4-7", name: "Claude Opus 4.7" },
-    { value: "claude-opus-4-6", name: "Claude Opus 4.6" },
     { value: "claude-sonnet-4-6", name: "Claude Sonnet 4.6" },
-    { value: "claude-haiku-4-5", name: "Claude Haiku 4.5" },
   ];
 
   it("returns null for empty preference", () => {
@@ -85,8 +95,8 @@ describe("resolveModelPreference", () => {
   });
 
   it("matches case-insensitively on display name", () => {
-    expect(resolveModelPreference("claude haiku 4.5", options)).toBe(
-      "claude-haiku-4-5",
+    expect(resolveModelPreference("claude sonnet 4.6", options)).toBe(
+      "claude-sonnet-4-6",
     );
   });
 
@@ -100,11 +110,11 @@ describe("resolveModelPreference", () => {
 
   it("refuses cross-version alias matches", () => {
     const optionsWithAlias = [
-      { value: "opus", name: "Claude Opus 4.7" },
-      { value: "claude-opus-4-6", name: "Claude Opus 4.6" },
+      { value: "opus", name: "Claude Opus 4.8" },
+      { value: "claude-opus-4-7", name: "Claude Opus 4.7" },
     ];
-    expect(resolveModelPreference("claude-opus-4-6", optionsWithAlias)).toBe(
-      "claude-opus-4-6",
+    expect(resolveModelPreference("claude-opus-4-7", optionsWithAlias)).toBe(
+      "claude-opus-4-7",
     );
   });
 

packages/agent/src/adapters/claude/session/models.ts

@@ -1,21 +1,16 @@
 export const DEFAULT_MODEL = "opus";
 
 const GATEWAY_TO_SDK_MODEL: Record<string, string> = {
-  "claude-opus-4-5": "opus",
-  "claude-opus-4-6": "opus",
   "claude-opus-4-7": "opus",
   "claude-opus-4-8": "opus",
-  "claude-sonnet-4-5": "sonnet",
   "claude-sonnet-4-6": "sonnet",
-  "claude-haiku-4-5": "haiku",
 };
 
 export function toSdkModelId(modelId: string): string {
   return GATEWAY_TO_SDK_MODEL[modelId] ?? modelId;
 }
 
 const MODELS_WITH_1M_CONTEXT = new Set([
-  "claude-opus-4-6",
   "claude-opus-4-7",
   "claude-opus-4-8",
   "claude-sonnet-4-6",
@@ -26,15 +21,12 @@ export function supports1MContext(modelId: string): boolean {
 }
 
 const MODELS_WITH_EFFORT = new Set([
-  "claude-opus-4-5",
-  "claude-opus-4-6",
   "claude-opus-4-7",
   "claude-opus-4-8",
   "claude-sonnet-4-6",
 ]);
 
 const MODELS_WITH_XHIGH_EFFORT = new Set([
-  "claude-opus-4-6",
   "claude-opus-4-7",
   "claude-opus-4-8",
 ]);
@@ -78,7 +70,7 @@ export function getEffortOptions(modelId: string): EffortOption[] | null {
 }
 
 // Model alias resolution — lets callers use human-friendly aliases like
-// "opus" or "sonnet" instead of full model IDs like "claude-opus-4-6".
+// "opus" or "sonnet" instead of full model IDs like "claude-opus-4-8".
 
 const MODEL_CONTEXT_HINT_PATTERN = /\[(\d+m)\]$/i;
 
@@ -112,8 +104,8 @@ interface ModelOption {
 }
 
 // Captures a model family version such as `4-6` or `4.7` so we can keep
-// `claude-opus-4-6` from being copied onto the SDK's `opus` alias when that
-// alias currently resolves to a different family version (e.g. Opus 4.7).
+// `claude-opus-4-7` from being copied onto the SDK's `opus` alias when that
+// alias currently resolves to a different family version (e.g. Opus 4.8).
 const MODEL_FAMILY_VERSION_PATTERN = /\b(\d+)[-.](\d+)\b/;
 
 function extractModelFamilyVersion(s: string | undefined): string | null {

packages/agent/src/adapters/claude/session/options.ts

@@ -183,7 +183,7 @@ function buildHooks(
 }
 
 /**
- * Read-only Haiku-powered exploration agent. Registered under the `ph-explore`
+ * Read-only exploration agent. Registered under the `ph-explore`
  * name rather than `Explore` to work around a Claude Agent SDK bug where
  * `options.agents` cannot shadow built-in agent definitions. The
  * `createSubagentRewriteHook` rewrites `subagent_type: "Explore"` to

packages/agent/src/adapters/codex/models.test.ts

@@ -0,0 +1,8 @@
+import { describe, expect, it } from "vitest";
+import { formatCodexModelName } from "./models";
+
+describe("formatCodexModelName", () => {
+  it("uses raw lowercase model ids", () => {
+    expect(formatCodexModelName("GPT-5.5")).toBe("gpt-5.5");
+  });
+});