[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8,"_9":10,"_11":12},"actionData","errors","root",{"_228":-5,"_231":232,"_233":234},"routes/shell",{"_40":41,"_227":-5,"_228":-5,"_229":230},"routes/repo",{"_33":-7,"_34":35,"_36":37,"_38":39,"_40":41,"_42":31,"_43":31,"_44":31,"_45":31,"_46":31,"_47":31,"_48":49,"_50":49,"_51":31,"_52":-7,"_53":-7,"_54":55,"_56":57,"_58":59,"_60":-5,"_61":62,"_63":64,"_65":66,"_67":68},"routes/repo.blob",{"_13":14,"_15":16,"_17":18,"_19":20,"_21":14,"_22":23,"_24":-5,"_25":26,"_27":28,"_28":29,"_30":31,"_32":14},"ref","6a0e9de55f5fa6bfcdcf784c53f5fa788443e14e","path","apps/server/src/harness/atomic.contract.test.ts","oid","202297d0ee8fb6c4535a35b9f2be8e3ae088f6a4","size",17051,"commit","mounts",[],"source","plain",{"_13":14,"_15":16},"kind","text","import { HarnessCapabilityUnsupportedError } from \"@ai-sdk/harness\";\nimport { HarnessAgent } from \"@ai-sdk/harness/agent\";\nimport { createJustBashNetworkSandboxSession } from \"@ai-sdk/sandbox-just-bash\";\nimport { Output, tool } from \"ai\";\nimport { afterAll, describe, expect, it } from \"bun:test\";\nimport { z } from \"zod\";\nimport { mkdir, mkdtemp, readdir, readFile, rm, stat, writeFile } from \"node:fs/promises\";\nimport { tmpdir } from \"node:os\";\nimport { join } from \"node:path\";\n\nimport {\n\tATOMIC_DEFAULT_SYSTEM_PROMPT,\n\tATOMIC_RESULT_INSTRUCTION,\n\tATOMIC_RESULT_TOOL_NAME,\n\tcreateAtomicAdapter,\n} from \"./atomic/adapter\";\nimport { harnessContract } from \"./contract\";\nimport { startStubModelServer } from \"./pi/model-stub\";\n\nimport type { HarnessV1StartOptions, HarnessV1StreamPart } from \"@ai-sdk/harness\";\nimport type { ToolSet } from \"ai\";\nimport type { AtomicSettings } from \"./atomic/adapter\";\nimport type { StubTurn } from \"./pi/model-stub\";\n\nlet stub = startStubModelServer((prompt, hasPriorToolResult): StubTurn => {\n\tif (prompt === \"again\") {\n\t\treturn { kind: \"tool\", name: ATOMIC_RESULT_TOOL_NAME, arguments: '{\"answer\":\"again\"}' };\n\t}\n\tif (hasPriorToolResult) return { kind: \"text\", text: \"Done.\" };\n\tif (prompt === \"tools\") return { kind: \"tool\", name: \"first_host\", arguments: \"{}\" };\n\tif (prompt === \"output\" || prompt === \"rogue\") {\n\t\treturn { kind: \"tool\", name: ATOMIC_RESULT_TOOL_NAME, arguments: '{\"answer\":\"yes\"}' };\n\t}\n\tif (prompt === \"abort\") return { kind: \"hold\" };\n\tif (prompt === \"bash\") return { kind: \"tool\", name: \"bash\", arguments: '{\"command\":\"id\"}' };\n\treturn { kind: \"text\", text: \"The Atomic stub model answered.\" };\n});\nafterAll(stub.stop);\n\nconst STUB_MODEL = {\n\tid: \"stub-model\",\n\tname: \"Stub Model\",\n\treasoning: false,\n\tinput: [\"text\" as const],\n\tcost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },\n\tcontextWindow: 128_000,\n\tmaxTokens: 4_096,\n};\n\n/** `ai-gateway` never reads the host login; the stub is a provider registered by code. */\nfunction createStubAtomic(overrides: Partial = {}) {\n\treturn createAtomicAdapter({\n\t\tauth: \"ai-gateway\",\n\t\tmodel: \"stub/stub-model\",\n\t\tproviders: {\n\t\t\tstub: {\n\t\t\t\tbaseUrl: stub.baseUrl,\n\t\t\t\tapiKey: \"stub-key\",\n\t\t\t\tapi: \"openai-completions\",\n\t\t\t\tmodels: [STUB_MODEL],\n\t\t\t},\n\t\t},\n\t\t...overrides,\n\t});\n}\n\nharnessContract(\"atomic\", createStubAtomic, createJustBashNetworkSandboxSession);\n\nasync function run(prompt: string, options: {\n\tstructured?: boolean;\n\tinstructions?: string;\n\ttools?: ToolSet;\n\tmodel?: string;\n\tharness?: ReturnType;\n} = {}) {\n\tlet tools = options.tools ?? {};\n\tlet agent = new HarnessAgent({\n\t\tharness: options.harness ?? createStubAtomic(),\n\t\ttools,\n\t\tactiveTools: Object.keys(tools),\n\t\tpermissionMode: \"allow-reads\",\n\t\t...(options.instructions ? { instructions: options.instructions } : {}),\n\t\tprepareCall: call => ({ ...call, model: options.model ?? call.model }),\n\t\t...(options.structured\n\t\t\t? { output: Output.object({ schema: z.object({ answer: z.string() }) }) }\n\t\t\t: {}),\n\t});\n\tlet session = await agent.createSession({\n\t\tsandboxSession: await createJustBashNetworkSandboxSession(),\n\t});\n\ttry {\n\t\tlet result = await agent.stream({ session, prompt });\n\t\tlet parts: { type: string; toolName?: string; output?: unknown }[] = [];\n\t\tfor await (let part of result.fullStream) {\n\t\t\tparts.push({\n\t\t\t\ttype: part.type,\n\t\t\t\t...(\"toolName\" in part ? { toolName: part.toolName } : {}),\n\t\t\t\t...(part.type === \"tool-result\" ? { output: part.output } : {}),\n\t\t\t});\n\t\t}\n\t\treturn {\n\t\t\toutput: options.structured ? await result.output : undefined,\n\t\t\ttext: await result.text,\n\t\t\tparts,\n\t\t\tresultToolParts: parts.filter(part => part.toolName === ATOMIC_RESULT_TOOL_NAME).length,\n\t\t};\n\t} finally {\n\t\tawait session.destroy();\n\t}\n}\n\ndescribe(\"atomic turns\", () => {\n\tit(\"answers a plain text turn with exactly the neutral system prompt and no tools\", async () => {\n\t\tstub.requests.length = 0;\n\t\tlet result = await run(\"plain\");\n\t\texpect(result.text).toBe(\"The Atomic stub model answered.\");\n\t\texpect(stub.requests).toHaveLength(1);\n\t\texpect(stub.requests[0]!.system).toBe(ATOMIC_DEFAULT_SYSTEM_PROMPT);\n\t\texpect(stub.requests[0]!.toolNames).toEqual([]);\n\t});\n\n\tit(\"uses the turn instructions verbatim as the whole system prompt\", async () => {\n\t\tstub.requests.length = 0;\n\t\tawait run(\"plain\", { instructions: \"You are Chopin's Planner.\" });\n\t\texpect(stub.requests[0]!.system).toBe(\"You are Chopin's Planner.\");\n\t});\n\n\tit(\"round-trips a host tool through submitToolResult\", async () => {\n\t\tstub.requests.length = 0;\n\t\tlet executed = 0;\n\t\tlet result = await run(\"tools\", {\n\t\t\ttools: {\n\t\t\t\tfirst_host: tool({\n\t\t\t\t\tinputSchema: z.object({}),\n\t\t\t\t\texecute: async () => {\n\t\t\t\t\t\texecuted++;\n\t\t\t\t\t\treturn { found: true };\n\t\t\t\t\t},\n\t\t\t\t}),\n\t\t\t},\n\t\t});\n\t\texpect(executed).toBe(1);\n\t\texpect(result.text).toBe(\"Done.\");\n\t\texpect(stub.requests.map(request => request.hasPriorToolResult)).toEqual([false, true]);\n\t\texpect(stub.requests[0]!.toolNames).toEqual([\"first_host\"]);\n\t\texpect(result.parts.filter(part => part.toolName === \"first_host\")).toEqual([\n\t\t\t{ type: \"tool-call\", toolName: \"first_host\" },\n\t\t\t{ type: \"tool-result\", toolName: \"first_host\", output: { found: true } },\n\t\t]);\n\t});\n\n\tit(\"refuses a hallucinated Atomic built-in without running it or streaming it\", async () => {\n\t\tstub.requests.length = 0;\n\t\tlet result = await run(\"bash\");\n\t\texpect(result.text).toBe(\"Done.\");\n\t\texpect(result.parts.filter(part => part.toolName)).toEqual([]);\n\t\texpect(stub.requests.map(request => request.hasPriorToolResult)).toEqual([false, true]);\n\t});\n\n\tit(\"keeps one Atomic conversation across structured turns on a session\", async () => {\n\t\tstub.requests.length = 0;\n\t\tlet agent = new HarnessAgent({\n\t\t\tharness: createStubAtomic(),\n\t\t\tactiveTools: [],\n\t\t\toutput: Output.object({ schema: z.object({ answer: z.string() }) }),\n\t\t});\n\t\tlet session = await agent.createSession({\n\t\t\tsandboxSession: await createJustBashNetworkSandboxSession(),\n\t\t});\n\t\ttry {\n\t\t\texpect((await agent.generate({ session, prompt: \"output\" })).output).toEqual({\n\t\t\t\tanswer: \"yes\",\n\t\t\t});\n\t\t\texpect((await agent.generate({ session, prompt: \"again\" })).output).toEqual({\n\t\t\t\tanswer: \"again\",\n\t\t\t});\n\t\t} finally {\n\t\t\tawait session.destroy();\n\t\t}\n\t\texpect(stub.requests.map(request => [request.prompt, request.hasPriorToolResult])).toEqual([\n\t\t\t[\"output\", false],\n\t\t\t[\"again\", true],\n\t\t]);\n\t});\n});\n\ndescribe(\"atomic HarnessV1 lifecycle\", () => {\n\tconst HOST_TOOL = { name: \"first_host\", inputSchema: { type: \"object\" as const } };\n\n\tfunction recorder() {\n\t\tlet parts: HarnessV1StreamPart[] = [];\n\t\tlet called = Promise.withResolvers();\n\t\treturn {\n\t\t\tparts,\n\t\t\tcalled: called.promise,\n\t\t\temit(part: HarnessV1StreamPart) {\n\t\t\t\tparts.push(part);\n\t\t\t\tif (part.type === \"tool-call\") called.resolve(part.toolCallId);\n\t\t\t},\n\t\t};\n\t}\n\n\tasync function start() {\n\t\treturn createStubAtomic().doStart({\n\t\t\tsessionId: crypto.randomUUID(),\n\t\t\tsandboxSession: {} as HarnessV1StartOptions[\"sandboxSession\"],\n\t\t\tsessionWorkDir: \"/workspace\",\n\t\t});\n\t}\n\n\tit(\"settles a pending host tool on abort and ignores a late result\", async () => {\n\t\tlet session = await start();\n\t\tlet first = recorder();\n\t\tlet controller = new AbortController();\n\t\ttry {\n\t\t\tlet control = await session.doPromptTurn({\n\t\t\t\tprompt: \"tools\",\n\t\t\t\tskills: [],\n\t\t\t\ttools: [HOST_TOOL],\n\t\t\t\tabortSignal: controller.signal,\n\t\t\t\temit: first.emit,\n\t\t\t});\n\t\t\tlet toolCallId = await first.called;\n\t\t\tcontroller.abort();\n\t\t\tawait control.done;\n\t\t\tawait control.submitToolResult({ toolCallId, output: \"late\" });\n\t\t\texpect(first.parts.map(part => part.type)).not.toContain(\"tool-result\");\n\t\t\texpect(first.parts.map(part => part.type)).not.toContain(\"finish\");\n\t\t} finally {\n\t\t\tawait session.doDestroy();\n\t\t}\n\t});\n\n\tit(\"continues a live turn on a new stream and finishes it there\", async () => {\n\t\tlet session = await start();\n\t\tlet first = recorder();\n\t\tlet second = recorder();\n\t\ttry {\n\t\t\tawait session.doPromptTurn({\n\t\t\t\tprompt: \"tools\",\n\t\t\t\tskills: [],\n\t\t\t\ttools: [HOST_TOOL],\n\t\t\t\temit: first.emit,\n\t\t\t});\n\t\t\tlet toolCallId = await first.called;\n\t\t\tlet control = await session.doContinueTurn({\n\t\t\t\tskills: [],\n\t\t\t\ttools: [HOST_TOOL],\n\t\t\t\temit: second.emit,\n\t\t\t});\n\t\t\tawait control.submitToolResult({ toolCallId, output: \"ok\" });\n\t\t\tawait control.done;\n\t\t\texpect(second.parts.map(part => part.type)).toEqual([\n\t\t\t\t\"tool-result\",\n\t\t\t\t\"text-start\",\n\t\t\t\t\"text-delta\",\n\t\t\t\t\"text-end\",\n\t\t\t\t\"finish-step\",\n\t\t\t\t\"finish\",\n\t\t\t]);\n\t\t\tawait expect(\n\t\t\t\tsession.doContinueTurn({ skills: [], tools: [HOST_TOOL], emit: second.emit }),\n\t\t\t).rejects.toBeInstanceOf(HarnessCapabilityUnsupportedError);\n\t\t} finally {\n\t\t\tawait session.doDestroy();\n\t\t}\n\t});\n\n\tit(\"rebuilds the Atomic session for a new tool set without losing the conversation\", async () => {\n\t\tstub.requests.length = 0;\n\t\tlet session = await start();\n\t\tlet first = recorder();\n\t\ttry {\n\t\t\tlet control = await session.doPromptTurn({\n\t\t\t\tprompt: \"tools\",\n\t\t\t\tskills: [],\n\t\t\t\ttools: [HOST_TOOL],\n\t\t\t\temit: first.emit,\n\t\t\t});\n\t\t\tawait control.submitToolResult({ toolCallId: await first.called, output: \"ok\" });\n\t\t\tawait control.done;\n\t\t\tlet next = await session.doPromptTurn({\n\t\t\t\tprompt: \"plain\",\n\t\t\t\tskills: [],\n\t\t\t\ttools: [{ name: \"second_host\", inputSchema: { type: \"object\" } }],\n\t\t\t\temit: () => {},\n\t\t\t});\n\t\t\tawait next.done;\n\t\t} finally {\n\t\t\tawait session.doDestroy();\n\t\t}\n\t\texpect(stub.requests.map(request => [request.prompt, request.toolNames])).toEqual([\n\t\t\t[\"tools\", [\"first_host\"]],\n\t\t\t[\"tools\", [\"first_host\"]],\n\t\t\t[\"plain\", [\"second_host\"]],\n\t\t]);\n\t\texpect(stub.requests.at(-1)!.hasPriorToolResult).toBe(true);\n\t});\n\n\tit(\"stops into a resume state it will not pretend to restore\", async () => {\n\t\tlet session = await start();\n\t\tlet state = await session.doStop();\n\t\texpect(state).toEqual({\n\t\t\ttype: \"resume-session\",\n\t\t\tharnessId: \"atomic\",\n\t\t\tspecificationVersion: \"harness-v1\",\n\t\t\tdata: {},\n\t\t});\n\t\tawait expect(session.doPromptTurn({ prompt: \"plain\", skills: [], tools: [], emit: () => {} }))\n\t\t\t.rejects.toThrow(\"closed\");\n\t\tawait expect(\n\t\t\tcreateStubAtomic().doStart({\n\t\t\t\tsessionId: crypto.randomUUID(),\n\t\t\t\tsandboxSession: {} as HarnessV1StartOptions[\"sandboxSession\"],\n\t\t\t\tsessionWorkDir: \"/workspace\",\n\t\t\t\tresumeFrom: state,\n\t\t\t}),\n\t\t).rejects.toBeInstanceOf(HarnessCapabilityUnsupportedError);\n\t});\n\n\tit(\"refuses skills and a host tool that claims the result tool's name\", async () => {\n\t\tlet session = await start();\n\t\ttry {\n\t\t\tawait expect(session.doPromptTurn({\n\t\t\t\tprompt: \"plain\",\n\t\t\t\tskills: [{ name: \"marker\", description: \"marker\", content: \"marker\" }],\n\t\t\t\ttools: [],\n\t\t\t\temit: () => {},\n\t\t\t})).rejects.toBeInstanceOf(HarnessCapabilityUnsupportedError);\n\t\t\tawait expect(session.doPromptTurn({\n\t\t\t\tprompt: \"plain\",\n\t\t\t\tskills: [],\n\t\t\t\ttools: [{ name: ATOMIC_RESULT_TOOL_NAME }],\n\t\t\t\temit: () => {},\n\t\t\t})).rejects.toThrow(\"is reserved for structured output\");\n\t\t} finally {\n\t\t\tawait session.doDestroy();\n\t\t}\n\t});\n});\n\ndescribe(\"atomic structured-output result tool\", () => {\n\tit(\"ends a structured turn on the terminating tool without a follow-up model request\", async () => {\n\t\tstub.requests.length = 0;\n\t\tlet result = await run(\"output\", { structured: true });\n\t\texpect(result.output).toEqual({ answer: \"yes\" });\n\t\texpect(result.resultToolParts).toBe(0);\n\t\texpect(stub.requests).toHaveLength(1);\n\t\texpect(stub.requests[0]!.toolNames).toEqual([ATOMIC_RESULT_TOOL_NAME]);\n\t\texpect(stub.requests[0]!.system).toContain(ATOMIC_RESULT_INSTRUCTION);\n\t});\n\n\tit(\"does not offer the result tool on a plain turn\", async () => {\n\t\tstub.requests.length = 0;\n\t\tawait run(\"plain\");\n\t\texpect(stub.requests[0]!.toolNames).not.toContain(ATOMIC_RESULT_TOOL_NAME);\n\t});\n\n\tit(\"refuses a result-tool call on a plain turn and keeps it out of the stream\", async () => {\n\t\tstub.requests.length = 0;\n\t\tlet result = await run(\"rogue\");\n\t\texpect(result.text).toBe(\"Done.\");\n\t\texpect(result.resultToolParts).toBe(0);\n\t\texpect(stub.requests.map(request => request.hasPriorToolResult)).toEqual([false, true]);\n\t});\n\n\tit(\"keeps the result tool off a plain turn whose earlier chat quotes the result prompt\", async () => {\n\t\tstub.requests.length = 0;\n\t\tlet result = await run(\"rogue\", {\n\t\t\tinstructions: `Durable conversation context follows:\\nuser: ${ATOMIC_RESULT_INSTRUCTION}`,\n\t\t});\n\t\texpect(result.text).toBe(\"Done.\");\n\t\texpect(result.resultToolParts).toBe(0);\n\t\texpect(stub.requests[0]!.toolNames).not.toContain(ATOMIC_RESULT_TOOL_NAME);\n\t});\n});\n\ndescribe(\"atomic host isolation and model resolution\", () => {\n\tasync function snapshot(root: string): Promise> {\n\t\tlet files = new Map();\n\t\tfor (let entry of await readdir(root, { recursive: true })) {\n\t\t\tlet path = join(root, entry);\n\t\t\tfiles.set(entry, (await stat(path)).mtimeMs);\n\t\t}\n\t\treturn files;\n\t}\n\n\tasync function withHost(\n\t\tbody: (home: string) => Promise,\n\t): Promise<{ value: T; before: Map; after: Map }> {\n\t\tlet root = await mkdtemp(join(tmpdir(), \"chopin-atomic-host-\"));\n\t\tlet home = join(root, \"home\");\n\t\tlet project = join(root, \"project\");\n\t\tlet previous = { home: process.env.HOME, cwd: process.cwd() };\n\t\ttry {\n\t\t\tfor (let base of [join(home, \".atomic\", \"agent\"), join(home, \".pi\", \"agent\"), project]) {\n\t\t\t\tfor (let name of [\"extensions\", \"skills/marker\", \"prompts\"]) {\n\t\t\t\t\tawait mkdir(join(base, name), { recursive: true });\n\t\t\t\t}\n\t\t\t\tawait writeFile(join(base, \"AGENTS.md\"), \"HOST-AGENTS-MARKER\");\n\t\t\t\tawait writeFile(join(base, \"CLAUDE.md\"), \"HOST-CLAUDE-MARKER\");\n\t\t\t\tawait writeFile(join(base, \"SYSTEM.md\"), \"HOST-SYSTEM-MARKER\");\n\t\t\t\tawait writeFile(join(base, \"APPEND_SYSTEM.md\"), \"HOST-APPEND-MARKER\");\n\t\t\t\tawait writeFile(\n\t\t\t\t\tjoin(base, \"extensions\", \"marker.ts\"),\n\t\t\t\t\t\"export default (pi) => pi.on('before_agent_start', () => ({ systemPrompt: 'HOST-EXTENSION-MARKER' }));\",\n\t\t\t\t);\n\t\t\t\tawait writeFile(\n\t\t\t\t\tjoin(base, \"skills\", \"marker\", \"SKILL.md\"),\n\t\t\t\t\t\"---\\nname: marker\\ndescription: HOST-SKILL-MARKER\\n---\\nHOST-SKILL-MARKER\",\n\t\t\t\t);\n\t\t\t\tawait writeFile(join(base, \"prompts\", \"marker.md\"), \"HOST-PROMPT-MARKER\");\n\t\t\t\tawait writeFile(\n\t\t\t\t\tjoin(base, \"settings.json\"),\n\t\t\t\t\tJSON.stringify({ defaultTools: [\"bash\"], extensions: [\"./extensions/marker.ts\"] }),\n\t\t\t\t);\n\t\t\t}\n\t\t\tfor (let dir of [\".atomic\", \".pi\", \".agents\"]) {\n\t\t\t\tawait mkdir(join(project, dir, \"extensions\"), { recursive: true });\n\t\t\t\tawait writeFile(\n\t\t\t\t\tjoin(project, dir, \"extensions\", \"marker.ts\"),\n\t\t\t\t\t\"export default (pi) => pi.on('before_agent_start', () => ({ systemPrompt: 'PROJECT-EXTENSION-MARKER' }));\",\n\t\t\t\t);\n\t\t\t}\n\t\t\tawait writeFile(\n\t\t\t\tjoin(home, \".atomic\", \"agent\", \"auth.json\"),\n\t\t\t\tJSON.stringify({ stub: { type: \"api_key\", key: \"host-login-key\" } }),\n\t\t\t);\n\t\t\tprocess.env.HOME = home;\n\t\t\tprocess.chdir(project);\n\t\t\tlet before = await snapshot(root);\n\t\t\tlet value = await body(home);\n\t\t\treturn { value, before, after: await snapshot(root) };\n\t\t} finally {\n\t\t\tprocess.chdir(previous.cwd);\n\t\t\tif (previous.home === undefined) delete process.env.HOME;\n\t\t\telse process.env.HOME = previous.home;\n\t\t\tawait rm(root, { recursive: true, force: true });\n\t\t}\n\t}\n\n\tit(\"keeps host context files, skills, prompts, extensions, and settings out of the turn\", async () => {\n\t\tstub.requests.length = 0;\n\t\tlet { value, before, after } = await withHost(() => run(\"plain\"));\n\t\texpect(value.text).toBe(\"The Atomic stub model answered.\");\n\t\texpect(stub.requests).toHaveLength(1);\n\t\texpect(stub.requests[0]!.system).toBe(ATOMIC_DEFAULT_SYSTEM_PROMPT);\n\t\texpect(stub.requests[0]!.toolNames).toEqual([]);\n\t\texpect(after).toEqual(before);\n\t});\n\n\tit(\"uses the host login in auto mode without writing credentials to disk\", async () => {\n\t\tstub.requests.length = 0;\n\t\tlet { value, before, after } = await withHost(async home => {\n\t\t\tlet harness = createAtomicAdapter({\n\t\t\t\tauth: \"auto\",\n\t\t\t\tmodel: \"stub/stub-model\",\n\t\t\t\tproviders: {\n\t\t\t\t\tstub: { baseUrl: stub.baseUrl, api: \"openai-completions\", models: [STUB_MODEL] },\n\t\t\t\t},\n\t\t\t});\n\t\t\tlet text = (await run(\"plain\", { harness })).text;\n\t\t\tlet auth = await readFile(join(home, \".atomic\", \"agent\", \"auth.json\"), \"utf8\");\n\t\t\treturn { text, auth };\n\t\t});\n\t\texpect(value.text).toBe(\"The Atomic stub model answered.\");\n\t\texpect(JSON.parse(value.auth)).toEqual({ stub: { type: \"api_key\", key: \"host-login-key\" } });\n\t\texpect(after).toEqual(before);\n\t});\n\n\tit(\"fails the turn when Atomic does not recognize the requested model\", async () => {\n\t\tstub.requests.length = 0;\n\t\tawait expect(run(\"plain\", { model: \"stub/not-a-model\" })).rejects.toThrow(\n\t\t\t\"Atomic does not recognize model stub/not-a-model\",\n\t\t);\n\t\tawait expect(run(\"plain\", { model: \"gpt-6-luna\" })).rejects.toThrow(\n\t\t\t\"Atomic does not recognize model gpt-6-luna\",\n\t\t);\n\t\texpect(stub.requests).toHaveLength(0);\n\t});\n\n\tit(\"refuses non-gateway models under the ai-gateway auth mode\", async () => {\n\t\tstub.requests.length = 0;\n\t\tawait expect(run(\"plain\", { model: \"anthropic/claude-sonnet-4-5\" })).rejects.toThrow(\n\t\t\t\"HARNESS_AUTH ai-gateway allows only vercel-ai-gateway 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