feat: add Claude Code adapter (#179)

Co-authored-by: codex <codex@users.noreply.github.com>
Co-authored-by: JustYannicc <52761674+JustYannicc@users.noreply.github.com>
Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: 4 people

.plans/17-claude-agent.md

@@ -7,7 +7,7 @@
 
 ## Project Snapshot
 
-T3 Code is a minimal web GUI for using code agents like Codex and Claude Code (coming soon).
+T3 Code is a minimal web GUI for using coding agents like Codex and Claude.
 
 This repository is a VERY EARLY WIP. Proposing sweeping changes that improve long-term maintainability is encouraged.
 

AGENTS.md

@@ -1,6 +1,6 @@
 # T3 Code
 
-T3 Code is a minimal web GUI for coding agents. Currently Codex-first, with Claude Code support coming soon.
+T3 Code is a minimal web GUI for coding agents (currently Codex and Claude, more coming soon).
 
 ## How to use
 

README.md

@@ -6,6 +6,7 @@ import { execFileSync } from "node:child_process";
 import * as NodeServices from "@effect/platform-node/NodeServices";
 import {
   ApprovalRequestId,
+  ProviderKind,
   type OrchestrationEvent,
   type OrchestrationThread,
 } from "@t3tools/contracts";
@@ -205,7 +206,7 @@ export interface OrchestrationIntegrationHarness {
 }
 
 interface MakeOrchestrationIntegrationHarnessOptions {
-  readonly provider?: "codex";
+  readonly provider?: ProviderKind;
   readonly realCodex?: boolean;
 }
 

apps/server/integration/OrchestrationEngineHarness.integration.ts

@@ -10,6 +10,7 @@ import {
   ProviderTurnStartResult,
   ThreadId,
   TurnId,
+  ProviderKind,
 } from "@t3tools/contracts";
 import { Effect, Queue, Stream } from "effect";
 
@@ -35,7 +36,7 @@ export interface TestTurnResponse {
 export type FixtureProviderRuntimeEvent = {
   readonly type: string;
   readonly eventId: EventId;
-  readonly provider: "codex";
+  readonly provider: ProviderKind;
   readonly createdAt: string;
   readonly threadId: string;
   readonly turnId?: string | undefined;
@@ -177,7 +178,7 @@ function normalizeFixtureEvent(rawEvent: Record<string, unknown>): ProviderRunti
 
 export interface TestProviderAdapterHarness {
   readonly adapter: ProviderAdapterShape<ProviderAdapterError>;
-  readonly provider: "codex";
+  readonly provider: ProviderKind;
   readonly queueTurnResponse: (
     threadId: ThreadId,
     response: TestTurnResponse,
@@ -197,15 +198,15 @@ export interface TestProviderAdapterHarness {
 }
 
 interface MakeTestProviderAdapterHarnessOptions {
-  readonly provider?: "codex";
+  readonly provider?: ProviderKind;
 }
 
 function nowIso(): string {
   return new Date().toISOString();
 }
 
 function sessionNotFound(
-  provider: "codex",
+  provider: ProviderKind,
   threadId: ThreadId,
 ): ProviderAdapterSessionNotFoundError {
   return new ProviderAdapterSessionNotFoundError({
@@ -215,7 +216,7 @@ function sessionNotFound(
 }
 
 function missingSessionEffect(
-  provider: "codex",
+  provider: ProviderKind,
   threadId: ThreadId,
 ): Effect.Effect<never, ProviderAdapterError> {
   return Effect.fail(sessionNotFound(provider, threadId));