diff --git a/components/admin/AiModelManagementPanel.test.tsx b/components/admin/AiModelManagementPanel.test.tsx
index b07731f..abbfb15 100644
--- a/components/admin/AiModelManagementPanel.test.tsx
+++ b/components/admin/AiModelManagementPanel.test.tsx
@@ -19,6 +19,34 @@ const configured = (): AiModelAdminState => ({
 afterEach(() => jest.restoreAllMocks())
 beforeEach(() => sessionStorage.clear())
 
+test('展开详情显示服务端实际请求参数和参考图传法，不会调用或修改模型', async () => {
+  const next = configured(), model = next.providers[0].models[1]
+  model.capabilities.protocols = { image: { id: 'async-image-task', path: '/extensions/v1/tasks', inputField: 'file_urls', referenceTransport: 'json-inline', maxPromptLength: 32000, requestParameters: { size: 'auto', resolution: '1K', aspect_ratio: '3:4' } } }
+  global.fetch = jest.fn(async () => response(next)) as typeof fetch
+  render(<AiModelManagementPanel />)
+  const row = await screen.findByLabelText('nano-banana-2 · 现有上游', { selector: 'div' })
+  fireEvent.click(within(row).getByRole('button', { name: 'nano-banana-2 · 现有上游 图片生成测试详情' }))
+  const parameters = within(row).getByLabelText('nano-banana-2 当前请求参数')
+  expect(within(parameters).getByText('尺寸')).toBeVisible()
+  expect(within(parameters).getByText('auto')).toBeVisible()
+  expect(within(parameters).getByText('1K')).toBeVisible()
+  expect(within(parameters).getByText('3:4')).toBeVisible()
+  expect(within(row).getByText('提示词：最多 32000 字')).toBeVisible()
+  expect(within(row).getByText('参考图参数：file_urls（内联图片）')).toBeVisible()
+  expect((global.fetch as jest.Mock).mock.calls.every(([, init]) => !init?.method)).toBe(true)
+})
+
+test('没有指定的异步图片参数明确显示为上游默认，不伪造尺寸和画质', async () => {
+  const next = configured(), model = next.providers[0].models[1]
+  model.capabilities.protocols = { image: { id: 'async-image-task', path: '/extensions/v1/tasks', requestParameters: {} } }
+  global.fetch = jest.fn(async () => response(next)) as typeof fetch
+  render(<AiModelManagementPanel />)
+  const row = await screen.findByLabelText('nano-banana-2 · 现有上游', { selector: 'div' })
+  fireEvent.click(within(row).getByRole('button', { name: 'nano-banana-2 · 现有上游 图片生成测试详情' }))
+  expect(within(row).getByText('未指定尺寸、比例和画质，使用上游默认值。')).toBeVisible()
+  expect(screen.queryByText('1024x1024')).not.toBeInTheDocument()
+})
+
 test.each(['untested', 'passed'] as const)('参考图数量以实测证据为准，%s 不把平台测试上限当成已支持', async status => {
   const next = configured(), model = next.providers[0].models[1]
   model.capabilities.protocols = { image: { id: 'openai-image-generate', path: '/v1/images/generations', maxImages: 8, referenceLimitSource: 'verification' } }
diff --git a/components/admin/AiModelManagementPanel.tsx b/components/admin/AiModelManagementPanel.tsx
index 29b826b..a790752 100644
--- a/components/admin/AiModelManagementPanel.tsx
+++ b/components/admin/AiModelManagementPanel.tsx
@@ -21,6 +21,7 @@ const primaryClass = `${buttonClass} !border-[#0050cb] !bg-[#0050cb] !text-white
 const checkboxClass = 'h-4 w-4 shrink-0 accent-[#0050cb] focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-[#1677ff] focus-visible:ring-offset-2 disabled:cursor-not-allowed'
 const capabilityLabels = { text: '对话', vision: '视觉理解', image: '生图', tts: '语音合成', asr: '语音识别', music: '音乐', video: '视频', embedding: '向量', 'image-tool': '图像工具', 'three-d': '3D', other: '其他', unknown: '待识别' } as const
 const verificationLabels = { untested: '未测试', running: '测试中', passed: '已通过', failed: '测试失败', unknown: '待核查', stale: '需重新测试' } as const
+const parameterLabels: Record<string, string> = { n: '生成数量', stream: '流式输出', response_format: '返回格式', size: '尺寸', aspect_ratio: '画幅比例', resolution: '分辨率', quality: '画质', background: '背景', output_format: '文件格式', version: '模型版本', thinkingLevel: '思考级别' }
 function verificationLabel(result: AiModelVerificationSummary) {
   return result.reconciled && result.status === 'failed' ? '已核查，可重测' : verificationLabels[result.status]
 }
@@ -367,6 +368,9 @@ export default function AiModelManagementPanel({ onStateChange }: { onStateChang
                 {showBlockedReason && <p id={blockedReasonId} className="text-xs text-[#66758b]">{blockedReason}</p>}
                 {canInspect && <div id={detailsId} hidden={!expandedDetails[detailsId]} className="space-y-1 break-words pb-2 text-xs text-[#66758b]">
                   {protocol && <>{protocol.maxImages && <p>{protocol.referenceLimitSource === 'verification' ? result.status === 'passed' && result.verifiedReferenceImageCount ? `参考图：已逐张验证 ${result.verifiedReferenceImageCount} 张，本平台最多 ${Math.min(protocol.maxImages, result.verifiedReferenceImageCount)} 张` : `参考图：数量待测试（本平台最多测试 ${protocol.maxImages} 张）` : `参考图：最多 ${protocol.maxImages} 张`}</p>}<p className="break-all">协议：{protocol.id}</p><p className="break-all">接口：{protocol.path}</p>{(protocol.scopeId || protocol.routeId || protocol.operationId) && <p className="break-all">路由：{[protocol.scopeId, protocol.routeId, protocol.operationId].filter(Boolean).join(' / ')}</p>}</>}
+                  {protocol?.maxPromptLength && <p>提示词：最多 {protocol.maxPromptLength} 字</p>}
+                  {protocol?.inputField && <p className="break-all">参考图参数：{protocol.inputField}（{protocol.referenceTransport === 'multipart' ? '文件上传' : '内联图片'}）</p>}
+                  {protocol?.requestParameters && <div className="space-y-1 pt-1"><p className="font-medium text-[#344054]">当前请求参数</p><dl aria-label={`${model.id} 当前请求参数`} className="grid grid-cols-[minmax(0,1fr)_minmax(0,1fr)] gap-x-3 gap-y-1">{Object.entries(protocol.requestParameters).map(([name, value]) => <div key={name} className="contents"><dt title={name}>{parameterLabels[name] || name}</dt><dd className="break-all text-right">{String(value)}</dd></div>)}</dl><p>{Object.keys(protocol.requestParameters).length ? '未列出的可选参数使用上游默认值。' : '未指定尺寸、比例和画质，使用上游默认值。'}</p></div>}
                   {protocol?.referenceLimitSource === 'verification' && <label className="flex flex-wrap items-center gap-2"><span>本次测试数量</span><select className={`${fieldClass} !w-auto`} aria-label={`${model.id} · ${provider.name} 本次测试参考图数量`} disabled={!!busy || result.status === 'running' || result.status === 'unknown' || !!attempt} value={testReferenceCounts[model.key] ?? result.verifiedReferenceImageCount ?? protocol.maxImages} onChange={event => setTestReferenceCounts(current => ({ ...current, [model.key]: Number(event.target.value) }))}>{[1, 2, 4, 8].filter(count => count <= (protocol.maxImages ?? 8)).map(count => <option key={count} value={count}>{count} 张</option>)}</select></label>}
                   {sharedCheckedAt && <p>{new Date(sharedCheckedAt).toLocaleString('zh-CN')}</p>}
                   {sharedRequestId && <p className="break-all">请求编号：{sharedRequestId}</p>}
diff --git a/docs/ai-model-contracts-2026-10-16.md b/docs/ai-model-contracts-2026-10-16.md
index 279bd63..98a8169 100644
--- a/docs/ai-model-contracts-2026-10-16.md
+++ b/docs/ai-model-contracts-2026-10-16.md
@@ -1,8 +1,8 @@
 # AI 模型参数与能力核查
 
-核查时间：2026/10/16 11:01:27（UTC+8）；目录抓取于 2026/10/16 11:01:27（UTC+8）；平台状态读取于 2026/10/16 11:01:20（UTC+8）。只读取 [98k 公开模型目录](https://api.vip98k.com/api/v2/catalog/models) 及本平台管理员状态，不调用生成接口。
+核查时间：2026/10/16 14:22:23（UTC+8）；目录抓取于 2026/10/16 13:57:04（UTC+8）；平台状态读取于 2026/10/16 13:58:02（UTC+8）。只读取 [98k 公开模型目录](https://api.vip98k.com/api/v2/catalog/models) 及本平台管理员状态，不调用生成接口。
 
-公开目录共 75 个模型。本平台旧目录中另有 3 个不在本次公开目录。目录规范JSON摘要 SHA-256：`123f87ba50547c03e1c54b7f8c8308c993eeccffd6053f6fbc3284e2c1b26946`。
+公开目录共 75 个模型。本平台旧目录中另有 3 个不在本次公开目录。目录规范JSON摘要 SHA-256：`a11230d97f59052681539f9f45f610d312d4b07482874e57663f2e53f2d6b34a`。
 
 透传字段仅表示网关接受/转发该字段，不证明具体模型执行该功能；只有实际测试记录可作为用途开放证据。未声明上限保持未知，不按模型名称推断。
 
@@ -29,29 +29,29 @@
 | claude-fable-5-1 | vision | 分析、文案 | 分析:通过；文案:通过 | — |
 | claude-haiku-4-5-20251001 | text | 分析、文案 | 分析:失败；文案:失败 | — |
 | claude-opus-4-5-20251101 | vision | 分析、文案 | 分析:待核查；文案:待核查 | — |
-| claude-opus-4-6 | vision | 分析、文案 | 分析:未测试；文案:未测试 | — |
-| claude-opus-4-7 | vision | 分析、文案 | 分析:未测试；文案:未测试 | — |
-| claude-opus-4-8 | vision | 分析、文案 | 分析:未测试；文案:未测试 | — |
-| claude-opus-5 | vision | 分析、文案 | 分析:未测试；文案:未测试 | — |
-| claude-opus-5-5 | vision | 分析、文案 | 分析:通过；文案:未测试 | 分析 |
-| claude-sonnet-4-6 | vision | 分析、文案 | 分析:未测试；文案:未测试 | — |
-| claude-sonnet-5 | vision | 分析、文案 | 分析:未测试；文案:未测试 | — |
-| gemini-3-flash | text | 分析、文案 | 分析:通过；文案:通过 | 分析、文案 |
-| gemini-3-pro | text | 分析、文案 | 分析:未测试；文案:未测试 | — |
-| gemini-3.1-flash-lite | text | 分析、文案 | 分析:未测试；文案:未测试 | — |
-| gemini-3.1-pro | text | 分析、文案 | 分析:未测试；文案:未测试 | — |
-| gemini-3.5-flash | text | 分析、文案 | 分析:未测试；文案:未测试 | — |
-| gemini-3.5-flash-lite | text | 分析、文案 | 分析:未测试；文案:未测试 | — |
-| gemini-3.7-flash | text | 分析、文案 | 分析:未测试；文案:未测试 | — |
-| gemini-3.8-flash | text | 分析、文案 | 分析:未测试；文案:未测试 | — |
-| gpt-5.6-sol | text | 分析、文案 | 分析:未测试；文案:未测试 | — |
-| gpt-5.6-terra | text | 分析、文案 | 分析:未测试；文案:未测试 | — |
-| gpt-6-astra | text | 分析、文案 | 分析:未测试；文案:未测试 | — |
-| gpt-6-sol | text | 分析、文案 | 分析:未测试；文案:未测试 | — |
-| gpt-6.1-sol | text | 分析、文案 | 分析:未测试；文案:未测试 | — |
-| grok-4.5 | vision | 分析、文案 | 分析:未测试；文案:未测试 | — |
-| grok-4.6 | vision | 分析、文案 | 分析:未测试；文案:未测试 | — |
-| grok-4.7 | vision | 分析、文案 | 分析:未测试；文案:未测试 | — |
+| claude-opus-4-6 | vision | 分析、文案 | 分析:通过；文案:通过 | — |
+| claude-opus-4-7 | vision | 分析、文案 | 分析:通过；文案:通过 | 分析 |
+| claude-opus-4-8 | vision | 分析、文案 | 分析:通过；文案:通过 | — |
+| claude-opus-5 | vision | 分析、文案 | 分析:通过；文案:通过 | — |
+| claude-opus-5-5 | vision | 分析、文案 | 分析:通过；文案:通过 | 文案 |
+| claude-sonnet-4-6 | vision | 分析、文案 | 分析:通过；文案:通过 | 文案 |
+| claude-sonnet-5 | vision | 分析、文案 | 分析:通过；文案:通过 | — |
+| gemini-3-flash | text | 分析、文案 | 分析:通过；文案:通过 | 文案 |
+| gemini-3-pro | text | 分析、文案 | 分析:通过；文案:通过 | 文案 |
+| gemini-3.1-flash-lite | text | 分析、文案 | 分析:通过；文案:通过 | 分析 |
+| gemini-3.1-pro | text | 分析、文案 | 分析:通过；文案:通过 | 文案 |
+| gemini-3.5-flash | text | 分析、文案 | 分析:通过；文案:通过 | — |
+| gemini-3.5-flash-lite | text | 分析、文案 | 分析:通过；文案:通过 | 分析 |
+| gemini-3.7-flash | text | 分析、文案 | 分析:通过；文案:通过 | 分析 |
+| gemini-3.8-flash | text | 分析、文案 | 分析:通过；文案:通过 | 文案 |
+| gpt-5.6-sol | text | 分析、文案 | 分析:通过；文案:通过 | 分析、文案 |
+| gpt-5.6-terra | text | 分析、文案 | 分析:通过；文案:通过 | 文案 |
+| gpt-6-astra | text | 分析、文案 | 分析:通过；文案:通过 | 分析、文案 |
+| gpt-6-sol | text | 分析、文案 | 分析:通过；文案:通过 | 分析、文案 |
+| gpt-6.1-sol | text | 分析、文案 | 分析:通过；文案:通过 | 分析、文案 |
+| grok-4.5 | vision | 分析、文案 | 分析:失败；文案:通过 | 文案 |
+| grok-4.6 | vision | 分析、文案 | 分析:通过；文案:通过 | 分析、文案 |
+| grok-4.7 | vision | 分析、文案 | 分析:通过；文案:通过 | 分析 |
 | mimo-v2.5-asr | asr | 未接入详情页 | — | — |
 | mimo-v2.5-tts | tts | 未接入详情页 | — | — |
 | mimo-v2.5-tts-voiceclone | tts | 未接入详情页 | — | — |
@@ -614,7 +614,6 @@
 ### gpt-image-2
 
 - 本平台可适配合同：`openai-image-generate`；有图片输入适配；参考图字段 `image`；平台合同限制最多8张（仍需实测）；请求参数 `{"n":1,"quality":"medium","response_format":"b64_json","size":"1024x1024","stream":false}`；公开协议头 `{"X-Relay-Route-Option":"914de45a-498e-4cd8-9d21-b1515fe8b5f2"}`。
-- 本平台可适配合同：`async-image-task`；有图片输入适配；参考图字段 `file_urls`；平台合同限制最多8张（仍需实测）；公开协议头 `{"X-Relay-Route-Option":"914de45a-498e-4cd8-9d21-b1515fe8b5f2"}`。
 - 操作：`openai.images.generations.create`；`POST /v1/images/generations`；`application/json`。
 - 输入声明：未声明；输出声明：未声明。
 - 参数：`background`（offer_disabled）、`file_urls`（schema-only）、`image`（schema-only）、`image[]`（schema-only）、`images`（schema-only）、`input_fidelity`（schema-only）、`mask`（schema-only）、`model`（typed）、`moderation`（passthrough）、`n`（passthrough）、`output_compression`（offer_disabled）、`output_format`（offer_disabled）、`partial_images`（offer_disabled）、`prompt`（typed）、`quality`（passthrough）、`response_format`（typed）、`size`（passthrough）、`stream`（typed）、`style`（passthrough）、`user`（passthrough）。
@@ -660,7 +659,6 @@
 ### nano-banana-2
 
 - 本平台可适配合同：`openai-image-generate`；有图片输入适配；参考图字段 `image`；平台合同限制最多8张（仍需实测）；请求参数 `{"aspect_ratio":"1:1","n":1,"response_format":"b64_json","size":"1024x1024","stream":false,"thinkingLevel":"minimal"}`；公开协议头 `{"X-Relay-Route-Option":"0d05dafd-e27c-4073-bd19-6a457582a55f"}`。
-- 本平台可适配合同：`async-image-task`；有图片输入适配；参考图字段 `file_urls`；平台合同限制最多8张（仍需实测）；公开协议头 `{"X-Relay-Route-Option":"0d05dafd-e27c-4073-bd19-6a457582a55f"}`。
 - 操作：`openai.images.generations.create`；`POST /v1/images/generations`；`application/json`。
 - 输入声明：未声明；输出声明：未声明。
 - 参数：`background`（typed）、`model`（typed）、`moderation`（passthrough）、`n`（passthrough）、`output_compression`（passthrough）、`output_format`（passthrough）、`partial_images`（passthrough）、`prompt`（typed）、`quality`（passthrough）、`response_format`（typed）、`size`（passthrough）、`stream`（typed）、`style`（passthrough）、`user`（passthrough）。
@@ -727,7 +725,6 @@
 ### nano-banana-pro
 
 - 本平台可适配合同：`openai-image-generate`；有图片输入适配；参考图字段 `image`；平台合同限制最多8张（仍需实测）；请求参数 `{"aspect_ratio":"1:1","n":1,"output_format":"jpeg","response_format":"b64_json","size":"1024x1024","stream":false}`；公开协议头 `{"X-Relay-Route-Option":"dbc2a91d-146a-48bc-9ae0-d3631d5efcd3"}`。
-- 本平台可适配合同：`async-image-task`；有图片输入适配；参考图字段 `file_urls`；平台合同限制最多8张（仍需实测）；公开协议头 `{"X-Relay-Route-Option":"dbc2a91d-146a-48bc-9ae0-d3631d5efcd3"}`。
 - 操作：`openai.images.generations.create`；`POST /v1/images/generations`；`application/json`。
 - 输入声明：未声明；输出声明：未声明。
 - 参数：`background`（typed）、`model`（typed）、`moderation`（passthrough）、`n`（passthrough）、`output_compression`（passthrough）、`output_format`（passthrough）、`partial_images`（passthrough）、`prompt`（typed）、`quality`（passthrough）、`response_format`（typed）、`size`（passthrough）、`stream`（typed）、`style`（passthrough）、`user`（passthrough）。
diff --git a/docs/ai-model-management.md b/docs/ai-model-management.md
index 8c115bb..3053d11 100644
--- a/docs/ai-model-management.md
+++ b/docs/ai-model-management.md
@@ -40,6 +40,10 @@ HTTP 410“未留存”、访问失败、格式或模型身份无法核对时，
 
 模型行的详情按钮默认折叠。展开后可查看当前用途实际绑定的协议、接口路径，以及目录提供的服务范围、路由和操作标识；已有结果还显示测试时间、消息和请求编号。这里显示服务端绑定，不允许前端随意修改路由。
 
+图片用途的展开详情还显示参考图字段、内联或文件上传方式、提示词长度限制及当前实际请求参数。未传的可选参数明确使用上游默认值，不用示例或模型名称声称已指定尺寸和画质。此处是只读诊断，展开不会调用模型或保存设置。
+
+同步目录时，若同一服务范围明确提供可接收私有参考图的异步图片任务，则优先绑定该任务协议，先保存任务编号再读取同一任务结果。尺寸、比例、分辨率及其它已适配参数按对应公开 Schema 校验后传入；不向异步任务强加同步 Images 接口的 `n` 或 `response_format`。明确像素尺寸与可选 `resolution` 不重复发送；固定约束冲突或必填参数尚未适配时拒绝该路由。协议或参数改变会使相应模型需要重新测试，不会自动转移旧通过记录或扩大开放范围。原任务查询严格只允许 GET，不接受新的正文、幂等键或路由覆盖。
+
 ## 当前适配协议
 
 | 用途 | 已实现的协议适配 | 实际测试检查 |
@@ -85,3 +89,5 @@ HTTP 410“未留存”、访问失败、格式或模型身份无法核对时，
 新阶段启动时清除上一阶段的请求号，防止把分析请求误当成文案请求查询。恢复前的本地检查失败、410、连接中断或读取权限失败都不能当作原请求执行失败。截断、工具调用要求、非 JSON 或不符合结构的已完成响应则明确记为未通过，不执行模型要求的工具，也不自动重试。分析警告会带入文案，不能被文案模型悄悄删除。
 
 逐模型参数、公开声明、实际适配与已有测试记录见 [2026-10-16 模型合同核查](ai-model-contracts-2026-10-16.md)。本次恢复验收与未完成项见 [资料分析和文案恢复验收记录](ai-model-text-recovery-acceptance-2026-10-16.md)。公开 Schema 的透传字段不等于该模型的功能已经验收。
+
+2026-10-16 下午通过 98k 对外接口复核恢复：公开目录、鉴权模型列表和此前已提交的异步图片任务结果均可读取，原任务已由生产 Worker 恢复完成，未重发生图。隔离验收中，Nano Banana 2、GPT Image 2.5 均通过四张独立参考图逐张内容校验，原结果可重新下载；GPT 6.1 的一次联合请求分别通过分析与文案校验，测试后的用途启用、默认值保存及权限拦截均已检查。GPT Image 2 的新测试返回 524，未返回客户请求号，保持结果未知且禁止自动重发；这不代表所有线路都已恢复。本轮隔离测试不改写生产用途验证记录，也不把测试数据库的记录复制为生产通过证据。证据见 `output/98k-integration-recovery-20261016/`。
diff --git a/lib/__tests__/ai-model-capabilities.test.ts b/lib/__tests__/ai-model-capabilities.test.ts
index c067eb4..5bb740a 100644
--- a/lib/__tests__/ai-model-capabilities.test.ts
+++ b/lib/__tests__/ai-model-capabilities.test.ts
@@ -157,3 +157,10 @@ test('an ID-only private model entry can still withdraw a publicly available cap
   const merged = mergeAiModelCapabilityMetadata(unavailable, publicMetadata(model({ id: 'gemini-2.5-flash' })))
   expect(getAiModelCapabilities(base, 'gemini-2.5-flash', merged)).toMatchObject({ kind: 'text', allowedStages: [] })
 })
+
+test('admin image diagnostics use the same bounded parameters as the execution adapter', () => {
+  const evidence = { version: 1, inputModalities: ['image', 'text'], outputModalities: ['image'], endpoints: ['/extensions/v1/tasks'], sourceUrl: null,
+    inputDeclared: true, outputDeclared: true, protocols: [{ id: 'async-image-task', path: '/extensions/v1/tasks', headers: {}, supportsImageInput: true, inputField: 'file_urls', maxPromptLength: 32000, requestParameters: { size: 'auto', resolution: '1K' } }] }
+  expect(getAiModelCapabilities(base, 'arbitrary-model', evidence).protocols?.image).toMatchObject({ inputField: 'file_urls', referenceTransport: 'json-inline', maxPromptLength: 32000, requestParameters: { size: 'auto', resolution: '1K' } })
+  expect(JSON.stringify(getAiModelCapabilities(base, 'arbitrary-model', evidence))).not.toContain('headers')
+})
diff --git a/lib/__tests__/ai-model-protocol-http.test.ts b/lib/__tests__/ai-model-protocol-http.test.ts
index 1d217e6..362401f 100644
--- a/lib/__tests__/ai-model-protocol-http.test.ts
+++ b/lib/__tests__/ai-model-protocol-http.test.ts
@@ -41,6 +41,14 @@ test('retained response endpoint only permits an authenticated GET on the config
   expect(sent).toHaveLength(1)
 })
 
+test('accepted task results reject a body, a new idempotency key or route overrides before transport', async () => {
+  const path = '/extensions/v1/tasks/original-task/result'
+  for (const [body, key, headers] of [
+    ['{}', undefined, {}], [undefined, 'new-generation', {}], [undefined, undefined, { 'X-Relay-Route-Option': 'different-route' }],
+  ] as const) await expect(requestAiModelOperation('https://models.example.com/v1', 'secret', path, body, key, headers)).rejects.toMatchObject({ code: 'protocol_invalid' })
+  expect(lookup).not.toHaveBeenCalled(); expect(httpsRequest).not.toHaveBeenCalled()
+})
+
 test.each(['/v1/unknown', '//169.254.169.254/metadata', '/extensions/v1/tasks/../../secret/result', '/extensions/v1/tasks/task-1/result?url=private'])('rejects unsupported or injected operation %s before DNS', async path => {
   await expect(requestAiModelOperation('https://models.example.com/v1', 'secret', path, '{}', 'request-1', {})).rejects.toMatchObject({ code: 'protocol_unsupported' })
   expect(lookup).not.toHaveBeenCalled(); expect(httpsRequest).not.toHaveBeenCalled()
diff --git a/lib/__tests__/ai-model-protocol.test.ts b/lib/__tests__/ai-model-protocol.test.ts
index 446b322..d03e556 100644
--- a/lib/__tests__/ai-model-protocol.test.ts
+++ b/lib/__tests__/ai-model-protocol.test.ts
@@ -13,6 +13,74 @@ let png: Buffer
 beforeAll(async () => { png = await sharp({ create: { width: 32, height: 32, channels: 3, background: '#ff0000' } }).png().toBuffer() })
 beforeEach(() => { jest.clearAllMocks() })
 
+const parameterizedAsyncModel = (properties: Record<string, any> = {}, required = ['model', 'file_urls']) => ({
+  type: 'image', modality: 'image', capabilities: ['image_to_image'], input_modes: ['text', 'image_base64'],
+  invocation: { method: 'POST', path: '/extensions/v1/tasks', content_type: 'application/json', headers: {},
+    input_schema: { type: 'object', additionalProperties: false, required, properties: {
+      model: { type: 'string' }, prompt: { type: 'string' }, file_urls: { type: 'array', minItems: 1, maxItems: 4, items: { type: 'string', pattern: '^(https://|data:image/)' } }, ...properties,
+    } }, request_example: { resolution: '4K' } },
+})
+
+test('async image tasks persist and transmit their declared parameters without adding Images-only fields', async () => {
+  const protocol = parseAiModelProtocols(parameterizedAsyncModel({
+    size: { enum: ['auto', '1024x1024'], default: 'auto' }, resolution: { enum: ['1K', '2K', '4K'], default: '1K' },
+    aspect_ratio: { enum: ['1:1', '3:4'], default: '3:4' }, quality: { enum: ['medium', 'high'], default: 'medium' },
+    n: false, response_format: false,
+  }))[0]
+  expect(protocol).toMatchObject({ requestParameters: { size: 'auto', resolution: '1K', aspect_ratio: '3:4', quality: 'medium' } })
+  expect(validateStoredAiModelProtocols(JSON.parse(JSON.stringify([protocol])))).toEqual([protocol])
+  send.mockResolvedValueOnce(Response.json({ id: 'accepted-parameter-task' })).mockResolvedValueOnce(Response.json({ ready: true, status: 'succeeded', result: { outputs: [{ type: 'image', b64_json: png.toString('base64') }] } }))
+  const result = await callAiModelProtocol({ ...base, protocol, images: [{ buffer: png, mimeType: 'image/png' }], onTaskSubmitted: jest.fn() })
+  const body = JSON.parse(send.mock.calls[0][3])
+  expect(body).toMatchObject({ size: 'auto', resolution: '1K', aspect_ratio: '3:4', quality: 'medium', file_urls: [expect.stringMatching(/^data:image\/png;base64,/)] })
+  expect(body.n).toBeUndefined(); expect(body.response_format).toBeUndefined()
+  expect(send.mock.calls[1].slice(2, 6)).toEqual(['/extensions/v1/tasks/accepted-parameter-task/result', undefined, undefined, {}])
+  expect(result.summary.requestParameters).toEqual(protocol.requestParameters)
+})
+
+test.each([
+  [{ n: { const: 2 } }, ['model', 'file_urls']],
+  [{ callback_url: { type: 'string' } }, ['model', 'file_urls', 'callback_url']],
+  [{ size: { const: '1024x1024' }, resolution: { const: '4K' } }, ['model', 'file_urls']],
+] as const)('an async route cannot omit or contradict required public parameters: %j', (properties, required) => {
+  expect(parseAiModelProtocols(parameterizedAsyncModel(properties, [...required]))).toEqual([])
+  expect(send).not.toHaveBeenCalled()
+})
+
+test('a canonical pixel size omits the optional resolution example instead of sending conflicting aliases', () => {
+  const protocol = parseAiModelProtocols(parameterizedAsyncModel({ size: { const: '1024x1024' }, resolution: { enum: ['1K', '2K', '4K'] } }))[0]
+  expect(protocol.requestParameters).toEqual({ size: '1024x1024' })
+  expect(validateStoredAiModelProtocols([{ ...asyncImage, requestParameters: { resolution: '8K' } }])).toEqual([])
+  expect(validateStoredAiModelProtocols([{ ...chat, requestParameters: { resolution: '1K' } }])).toEqual([])
+})
+
+test('an explicitly published async image operation is bound before its synchronous counterpart', () => {
+  const image = { type: 'array', items: { type: 'string', pattern: '^(https://|data:image/)' } }
+  const model = { type: 'image', modality: 'image', capabilities: ['image_to_image'], input_modes: ['text', 'image_base64'],
+    default_service_scope_id: 'same-scope', default_route_option_id: 'same-route', service_offers: [
+      { service_scope: { id: 'same-scope' }, public_operation_id: 'openai.images.generations.create', route_options: [{ id: 'same-route', invocation: invocation('/v1/images/generations', 'same-route', { properties: { image } }) }] },
+      { service_scope: { id: 'same-scope' }, public_operation_id: 'media.tasks.create', route_options: [{ id: 'same-route', invocation: invocation('/extensions/v1/tasks', 'same-route', { properties: { file_urls: image } }) }] },
+    ] }
+  expect(parseAiModelProtocols(model).map(protocol => protocol.id)).toEqual(['async-image-task', 'openai-image-generate'])
+  expect(parseAiModelProtocols(model).every(protocol => protocol.routeId === 'same-route' && protocol.scopeId === 'same-scope')).toBe(true)
+})
+
+test('recoverable tasks are preferred inside one offer but never across service scopes', () => {
+  const image = { type: 'array', items: { type: 'string', pattern: '^(https://|data:image/)' } }
+  const model = { type: 'image', modality: 'image', capabilities: ['image_to_image'], input_modes: ['text', 'image_base64'], default_service_scope_id: 'same-scope', default_route_option_id: 'sync-route', service_offers: [
+    { service_scope: { id: 'same-scope' }, route_options: [
+      { id: 'sync-route', invocation: invocation('/v1/images/generations', 'sync-route', { properties: { image } }) },
+      { id: 'async-route', invocation: invocation('/extensions/v1/tasks', 'async-route', { properties: { file_urls: image } }) },
+    ] },
+  ] }
+  expect(parseAiModelProtocols(model)).toMatchObject([{ id: 'async-image-task', routeId: 'async-route', scopeId: 'same-scope' }])
+  const separateScope = { ...model, service_offers: [
+    { service_scope: { id: 'same-scope' }, route_options: model.service_offers[0].route_options.slice(0, 1) },
+    { service_scope: { id: 'other-scope' }, route_options: model.service_offers[0].route_options.slice(1) },
+  ] }
+  expect(parseAiModelProtocols(separateScope)).toMatchObject([{ id: 'openai-image-generate', routeId: 'sync-route', scopeId: 'same-scope' }])
+})
+
 test('retained image response is fetched read-only and decoded through the existing private asset guard', async () => {
   const requestId = '1c8c2fa5-5ad0-436b-977f-a047a64fa845', guard = jest.fn()
   send.mockResolvedValue(Response.json({ data: [{ url: 'https://models.example.com/api/external/assets/' + 'a'.repeat(64) }] }))
diff --git a/lib/ai-model-capabilities.ts b/lib/ai-model-capabilities.ts
index 2f9ab63..a1e536e 100644
--- a/lib/ai-model-capabilities.ts
+++ b/lib/ai-model-capabilities.ts
@@ -1,6 +1,6 @@
 import { AI_MODEL_KINDS, type AiModelCapabilities, type AiModelStage, type AiModelKind } from './ai-model-types'
 import { AiModelError } from './ai-model-access'
-import { parseAiModelProtocols, validateStoredAiModelProtocols, type AiModelProtocol } from './ai-model-protocol'
+import { aiModelImageRequestParameters, parseAiModelProtocols, validateStoredAiModelProtocols, type AiModelProtocol } from './ai-model-protocol'
 
 /** Server-owned evidence. Never accepted from configuration writes or inferred from model names. */
 export interface AiModelCapabilityMetadata {
@@ -156,7 +156,10 @@ export function getAiModelCapabilities(baseUrl: string, modelId: string, metadat
     : '该类型不适用于详情页的分析、文案或生图'
   return { kind, allowedStages, combinedTextTest, source: 'upstream', protocols: Object.fromEntries(allowedStages.map(stage => {
     const protocol = getAiModelStageProtocol(metadata, stage)!
-    return [stage, { id: protocol.id, path: protocol.path, scopeId: protocol.scopeId, routeId: protocol.routeId, operationId: protocol.operationId, ...(protocol.maxImages ? { maxImages: protocol.maxImages } : {}), ...(protocol.referenceContract === 'probe-required' ? { referenceLimitSource: 'verification' } : {}) }]
+    return [stage, { id: protocol.id, path: protocol.path, scopeId: protocol.scopeId, routeId: protocol.routeId, operationId: protocol.operationId,
+      ...(protocol.maxImages ? { maxImages: protocol.maxImages } : {}), ...(protocol.maxPromptLength ? { maxPromptLength: protocol.maxPromptLength } : {}),
+      ...(stage === 'image' ? { inputField: protocol.inputField, referenceTransport: protocol.referenceTransport || (protocol.id === 'openai-image-edit' ? 'multipart' : 'json-inline'), requestParameters: aiModelImageRequestParameters(protocol) } : {}),
+      ...(protocol.referenceContract === 'probe-required' ? { referenceLimitSource: 'verification' } : {}) }]
   })), reason }
 }
 
diff --git a/lib/ai-model-http.ts b/lib/ai-model-http.ts
index 2f59b02..a1dc20e 100644
--- a/lib/ai-model-http.ts
+++ b/lib/ai-model-http.ts
@@ -39,7 +39,8 @@ export async function requestAiModel(baseUrl: string, apiKey: string, endpoint:
 export async function requestAiModelOperation(baseUrl: string, apiKey: string, path: string, body: string | FormData | undefined, idempotencyKey: string | undefined, protocolHeaders: Record<string, string>, beforeRequest?: () => Promise<void>): Promise<Response> {
   const normalized = normalizeAiModelBaseUrl(baseUrl)
   const retainedResult = /^\/api\/external\/requests\/[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}\/result$/i.test(path)
-  if (retainedResult && (body !== undefined || idempotencyKey !== undefined || Object.keys(protocolHeaders).length)) throw new AiModelError('原请求结果仅允许只读查询', 400, 'protocol_invalid')
+  const taskResult = /^\/extensions\/v1\/tasks\/[A-Za-z0-9_-]{1,160}\/result$/.test(path)
+  if ((retainedResult || taskResult) && (body !== undefined || idempotencyKey !== undefined || Object.keys(protocolHeaders).length)) throw new AiModelError('原请求结果仅允许只读查询', 400, 'protocol_invalid')
   if (!retainedResult && !['/v1/chat/completions', '/v1/messages', '/v1/images/edits', '/v1/images/generations', '/extensions/v1/tasks'].includes(path) && !/^\/extensions\/v1\/tasks\/[A-Za-z0-9_-]{1,160}\/result$/.test(path)) throw new AiModelError('模型接口尚未适配', 400, 'protocol_unsupported')
   const headers: Record<string, string> = { Authorization: `Bearer ${apiKey}` }
   if (idempotencyKey) {
diff --git a/lib/ai-model-protocol.ts b/lib/ai-model-protocol.ts
index 2648d02..235f505 100644
--- a/lib/ai-model-protocol.ts
+++ b/lib/ai-model-protocol.ts
@@ -42,6 +42,7 @@ const imageParameterChecks: Record<string, (value: unknown) => boolean> = {
   background: value => typeof value === 'string' && ['transparent', 'opaque', 'auto'].includes(value),
   output_format: value => typeof value === 'string' && ['png', 'jpeg', 'webp'].includes(value),
   aspect_ratio: value => typeof value === 'string' && (value === 'auto' || /^\d{1,2}:\d{1,2}$/.test(value)),
+  resolution: value => typeof value === 'string' && ['0.5K', '1K', '2K', '4K'].includes(value),
   version: value => typeof value === 'string' && /^[A-Za-z0-9][A-Za-z0-9._-]{0,63}$/.test(value),
   thinkingLevel: value => typeof value === 'string' && ['minimal', 'low', 'medium', 'high'].includes(value),
 }
@@ -90,20 +91,24 @@ function acceptsSchemaValue(value: unknown, schema: unknown, depth = 0): boolean
   return true
 }
 /** Keep only bounded public request fields; never carry arbitrary metadata or callback URLs. */
-function imageRequestParameters(schema: Record<string, any> | null, example: unknown): AiModelProtocol['requestParameters'] | null {
+function imageRequestParameters(schema: Record<string, any> | null, example: unknown, standardImages = true): AiModelProtocol['requestParameters'] | null {
   if (!inspectableSchema(schema)) return null
   const parts = schemaParts(schema), sample = record(example) ?? {}, parameters: Record<string, string | number | boolean> = {}
+  const implicit = standardImages ? ['n', 'response_format'] : []
   const names = new Set(parts.flatMap(part => Object.keys(record(part.properties) ?? {})))
   for (const name of Object.keys(imageParameterChecks)) {
     const constraints = parts.flatMap(part => Object.prototype.hasOwnProperty.call(record(part.properties) ?? {}, name) ? [part.properties[name]] : [])
     if (constraints.some(item => item === false)) {
-      if (['n', 'response_format'].includes(name)) return null
+      if (implicit.includes(name)) return null
       continue
     }
-    if (!constraints.length && !['n', 'response_format'].includes(name)) continue
+    if (!constraints.length && !implicit.includes(name)) continue
     if (!constraints.length && parts.some(part => part.additionalProperties === false && !part.properties?.[name])) return null
-    const required = parts.some(part => list(part.required).includes(name)) || ['n', 'response_format'].includes(name)
+    const required = parts.some(part => list(part.required).includes(name)) || implicit.includes(name)
     const declared = constraints.flatMap(item => schemaParts(item))
+    // A concrete size is the canonical resolution. Do not also send an optional
+    // resolution alias from an example, which may contradict that size.
+    if (name === 'resolution' && typeof parameters.size === 'string' && parameters.size !== 'auto' && !required && !declared.some(item => item.const !== undefined)) continue
     const choices = declared.flatMap(item => Array.isArray(item.enum) ? item.enum : [])
     if (name === 'size') choices.sort((a, b) => {
       const area = (value: unknown) => typeof value === 'string' && /^\d+x\d+$/.test(value) ? value.split('x').map(Number).reduce((x, y) => x * y) : Number.MAX_SAFE_INTEGER
@@ -120,6 +125,10 @@ function imageRequestParameters(schema: Record<string, any> | null, example: unk
   }
   const required = parts.flatMap(part => list(part.required))
   if (required.some(name => !['model', 'prompt', 'image', 'images', 'file_urls'].includes(name) && parameters[name] === undefined)) return null
+  if (typeof parameters.size === 'string' && parameters.size !== 'auto' && typeof parameters.resolution === 'string') {
+    const pixels = { '0.5K': 512, '1K': 1024, '2K': 2048, '4K': 4096 }[parameters.resolution]
+    if (Math.max(...parameters.size.split('x').map(Number)) !== pixels) return null
+  }
   // These aliases describe the same resolution. Use the canonical size from the published route.
   if (names.has('size') && parameters.size === undefined && parts.some(part => part.properties?.size?.enum || part.properties?.size?.const)) return null
   return safeImageParameters(parameters)
@@ -154,7 +163,7 @@ function parseInvocation(model: Record<string, any>, offer: Record<string, any>,
   const schemaNodes = schemaParts(schema)
   // Whole-request alternatives/negations are not implemented by the field mapper.
   // Refuse such contracts rather than checking individual fields and bypassing them.
-  if (id === 'openai-image-generate' && schema && (!inspectableSchema(schema) || schemaNodes.some(part => ['not', 'oneOf', 'anyOf'].some(name => part[name] !== undefined)))) return null
+  if (['openai-image-generate', 'async-image-task'].includes(id) && schema && (!inspectableSchema(schema) || schemaNodes.some(part => ['not', 'oneOf', 'anyOf'].some(name => part[name] !== undefined)))) return null
   const referenceSchemas = (field: string) => schemaNodes.flatMap(part => Object.prototype.hasOwnProperty.call(record(part.properties) ?? {}, field) ? [part.properties[field]] : [])
   const modes = list(route.input_modes ?? offer.input_modes ?? model.input_modes)
   const capabilities = list(offer.capabilities ?? model.capabilities)
@@ -205,9 +214,10 @@ function parseInvocation(model: Record<string, any>, offer: Record<string, any>,
       referenceTransport = 'json-inline'
       referenceContract = 'probe-required'
     }
-    if (referenceTransport) {
-      requestParameters = imageRequestParameters(schema, invocation.request_example) ?? undefined
-      if (!requestParameters) return null
+    if (referenceTransport || id === 'async-image-task') {
+      const parameters = imageRequestParameters(schema, invocation.request_example, id !== 'async-image-task')
+      if (!parameters) return null
+      if (referenceTransport || Object.keys(parameters).length) requestParameters = parameters
     }
     if (id === 'async-image-task' && !supportsImageInput) return null
   }
@@ -232,7 +242,8 @@ function parseInvocation(model: Record<string, any>, offer: Record<string, any>,
     ...(Number.isInteger(maxPromptLength) && maxPromptLength > 0 ? { maxPromptLength } : {}),
     ...(imageQuality ? { imageQuality } : {}),
     ...(referenceContract ? { referenceContract } : {}),
-    ...(referenceTransport ? { referenceTransport, requestParameters } : {}) }
+    ...(referenceTransport ? { referenceTransport } : {}),
+    ...(requestParameters ? { requestParameters } : {}) }
 }
 
 /** At setup time pick a concrete compatible route in the default scope; no runtime routing fallback. */
@@ -248,10 +259,12 @@ export function parseAiModelProtocols(value: unknown): AiModelProtocol[] {
     const routes = Array.isArray(offer.route_options) ? offer.route_options.map(record).filter(Boolean) as Record<string, any>[] : []
     const eligible = routes.filter(route => route.available !== false).sort((a, b) => Number(b.id === model.default_route_option_id) - Number(a.id === model.default_route_option_id))
     const protocols = eligible.map(route => parseInvocation(model, offer, route)).filter(Boolean) as AiModelProtocol[]
-    const chosen = protocols.find(protocol => !protocol.referenceContract && protocol.referenceTransport === 'json-inline') ?? protocols.find(protocol => !protocol.referenceContract && protocol.supportsImageInput) ?? protocols.find(protocol => protocol.supportsImageInput) ?? protocols[0]
+    const chosen = protocols.find(protocol => protocol.id === 'async-image-task' && protocol.supportsImageInput) ?? protocols.find(protocol => !protocol.referenceContract && protocol.referenceTransport === 'json-inline') ?? protocols.find(protocol => !protocol.referenceContract && protocol.supportsImageInput) ?? protocols.find(protocol => protocol.supportsImageInput) ?? protocols[0]
     if (chosen && !found.some(protocol => JSON.stringify(protocol) === JSON.stringify(chosen))) found.push(chosen)
   }
-  return found.sort((a, b) => Number(b.supportsImageInput) - Number(a.supportsImageInput) || Number(Boolean(a.referenceContract)) - Number(Boolean(b.referenceContract)) || Number(b.referenceTransport === 'json-inline') - Number(a.referenceTransport === 'json-inline'))
+  // An explicitly published task operation can persist its ID before a long
+  // generation finishes. Prefer that recoverable contract at sync time.
+  return found.sort((a, b) => Number(b.supportsImageInput) - Number(a.supportsImageInput) || Number(Boolean(a.referenceContract)) - Number(Boolean(b.referenceContract)) || Number(b.id === 'async-image-task') - Number(a.id === 'async-image-task') || Number(b.referenceTransport === 'json-inline') - Number(a.referenceTransport === 'json-inline'))
 }
 
 export function validateStoredAiModelProtocols(value: unknown): AiModelProtocol[] {
@@ -268,7 +281,7 @@ export function validateStoredAiModelProtocols(value: unknown): AiModelProtocol[
     if (raw.referenceTransport !== undefined && (!['json-inline', 'multipart'].includes(raw.referenceTransport) || raw.id !== 'openai-image-generate' || !raw.supportsImageInput || !['image', 'images', 'file_urls'].includes(raw.inputField) || raw.referenceTransport === 'multipart' && raw.inputField !== 'image')) return []
     if (raw.referenceContract !== undefined && (raw.referenceContract !== 'probe-required' || raw.id !== 'openai-image-generate' || raw.referenceTransport !== 'json-inline' || raw.inputField !== 'image' || !Number.isInteger(raw.maxImages) || raw.maxImages < 1 || raw.maxImages > 8 || !raw.routeId || !raw.scopeId)) return []
     const requestParameters = raw.requestParameters !== undefined ? safeImageParameters(raw.requestParameters) : undefined
-    if (raw.referenceTransport !== undefined && (!requestParameters || requestParameters.n !== 1 || !requestParameters.response_format) || raw.requestParameters !== undefined && (raw.referenceTransport === undefined || !requestParameters)) return []
+    if (raw.referenceTransport !== undefined && (!requestParameters || requestParameters.n !== 1 || !requestParameters.response_format) || raw.requestParameters !== undefined && (raw.referenceTransport === undefined && raw.id !== 'async-image-task' || !requestParameters)) return []
     if (raw.id === 'async-image-task' && (!raw.supportsImageInput || raw.inputField !== 'file_urls') || raw.id === 'openai-image-generate' && raw.supportsImageInput && !raw.inputField || raw.id === 'openai-image-edit' && (!raw.supportsImageInput || !['image', 'image[]'].includes(raw.inputField))) return []
     result.push({ id: raw.id, path: raw.path, headers, supportsImageInput: raw.supportsImageInput,
       ...Object.fromEntries(['inputField', 'scopeId', 'routeId', 'operationId', 'maxImages', 'maxPromptLength', 'imageQuality', 'referenceTransport', 'referenceContract'].filter(key => raw[key] !== undefined).map(key => [key, raw[key]])),
@@ -277,6 +290,13 @@ export function validateStoredAiModelProtocols(value: unknown): AiModelProtocol[
   return result
 }
 
+/** The actual bounded image settings, shared by request construction and admin diagnostics. */
+export function aiModelImageRequestParameters(protocol: AiModelProtocol): Record<string, string | number | boolean> {
+  if (protocol.id === 'async-image-task') return { ...protocol.requestParameters }
+  if (!['openai-image-edit', 'openai-image-generate'].includes(protocol.id)) return {}
+  return { n: 1, response_format: 'b64_json', ...(protocol.imageQuality ? { quality: protocol.imageQuality } : {}), ...protocol.requestParameters }
+}
+
 export class AiModelProtocolError extends Error {
   readonly taskPending: boolean
   constructor(message: string, readonly outcomeUnknown: boolean, readonly requestId: string | null = null, readonly taskId: string | null = null, taskPending = outcomeUnknown && Boolean(taskId)) { super(message); this.name = 'AiModelProtocolError'; this.taskPending = taskPending }
@@ -366,7 +386,8 @@ export async function callAiModelProtocol(input: AiModelProtocolInput): Promise<
   if (input.resumeRequestId && (input.resumeTaskId || !/^[a-f0-9]{8}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{4}-[a-f0-9]{12}$/i.test(input.resumeRequestId) || !['openai-chat', 'anthropic-messages', 'openai-image-generate', 'openai-image-edit'].includes(protocol.id))) throw new AiModelProtocolError('原请求编号无效或当前协议不能取回原响应', true, input.resumeRequestId)
   let taskId = input.resumeTaskId ?? null, requestId: string | null = null, dispatched = Boolean(input.resumeTaskId)
   const summary: Record<string, unknown> = { adapterVersion: AI_MODEL_ADAPTER_VERSION, protocol: protocol.id, routeId: protocol.routeId ?? null,
-    ...(protocol.referenceTransport ? { referenceTransport: protocol.referenceTransport, requestParameters: protocol.requestParameters } : {}),
+    ...(['openai-image-edit', 'openai-image-generate', 'async-image-task'].includes(protocol.id) ? { requestParameters: aiModelImageRequestParameters(protocol) } : {}),
+    ...(protocol.referenceTransport ? { referenceTransport: protocol.referenceTransport } : {}),
     ...(protocol.referenceContract ? { referenceContract: protocol.referenceContract } : {}) }
   try {
     if (input.resumeRequestId) {
@@ -402,9 +423,9 @@ export async function callAiModelProtocol(input: AiModelProtocolInput): Promise<
       else if (protocol.id === 'anthropic-messages') body = JSON.stringify({ model: input.modelId, messages: [{ role: 'user', content: [{ type: 'text', text: input.prompt }, ...images.map(image => ({ type: 'image', source: { type: 'base64', media_type: imageMimeType, data: image.toString('base64') } }))] }], max_tokens: maxTokens, stream: false })
       else if (protocol.id === 'openai-image-edit' || protocol.referenceTransport === 'multipart') {
         body = new FormData(); body.set('model', input.modelId); body.set('prompt', input.prompt)
-        for (const [field, value] of Object.entries(protocol.requestParameters ?? { n: 1, response_format: 'b64_json' })) body.set(field, String(value))
+        for (const [field, value] of Object.entries(aiModelImageRequestParameters(protocol))) body.set(field, String(value))
         images.forEach((image, index) => (body as FormData).append(protocol.inputField!, new Blob([new Uint8Array(image)], { type: 'image/png' }), `reference-${index + 1}.png`))
-      } else body = JSON.stringify({ model: input.modelId, prompt: input.prompt, ...(images.length ? { [protocol.inputField!]: dataUris } : {}), ...(protocol.id === 'openai-image-generate' ? { n: 1, response_format: 'b64_json', ...(protocol.imageQuality ? { quality: protocol.imageQuality } : {}), ...protocol.requestParameters } : {}) })
+      } else body = JSON.stringify({ model: input.modelId, prompt: input.prompt, ...(images.length ? { [protocol.inputField!]: dataUris } : {}), ...aiModelImageRequestParameters(protocol) })
       dispatched = true
       const response = await requestAiModelOperation(input.baseUrl, input.apiKey, protocol.path, body, input.idempotencyKey, protocol.headers, input.beforeRequest)
       const parsed = await readJson(response, input.apiKey); requestId = parsed.requestId
diff --git a/lib/ai-model-types.ts b/lib/ai-model-types.ts
index 1730bca..0913d89 100644
--- a/lib/ai-model-types.ts
+++ b/lib/ai-model-types.ts
@@ -25,7 +25,7 @@ export interface AiModelCapabilities {
   allowedStages: AiModelStage[]
   source: 'upstream' | 'verified' | 'unknown'
   reason: string
-  protocols?: Partial<Record<AiModelStage, { id: string; path: string; scopeId?: string; routeId?: string; operationId?: string; maxImages?: number; referenceLimitSource?: 'verification' }>>
+  protocols?: Partial<Record<AiModelStage, { id: string; path: string; scopeId?: string; routeId?: string; operationId?: string; maxImages?: number; maxPromptLength?: number; referenceLimitSource?: 'verification'; inputField?: string; referenceTransport?: 'json-inline' | 'multipart'; requestParameters?: Record<string, string | number | boolean> }>>
   combinedTextTest?: boolean
 }
 export interface AiModelCatalogEntry {