feat(v2): T08 专项离线质检——统一适配 fixture、逐任务准入与预算守卫
覆盖 AC-16/17/18/19/20/38/39/40/41（BR-17/18/19/20/37/38/39、E-10/13/14/15/25）。 新增： - backend/contracts/judgment.py：JudgeProfile/TaskValidation 契约（逐任务逐用途 验收登记 + 冻结 checkpoint）。放在独立契约模块，因为规格要求的 tokenizer/预算 字段会撞上 prescreen.py 既有的"契约层不得出现凭据字样"静态守卫；不放宽该守卫。 - backend/services/judgment_adapters.py：统一适配入口。准入（未登记任务/用途拒绝、 runtime 须独立评测）、冻结权重（unresolved 与不一致均拒绝）、上下文预算 （正文与选项分开计，超限返回 E-25 且零发送）、中文否定/条件例外/来源矛盾/未登记 映射一律落 unknown(inconclusive)，不硬选正面结果。 - backend/fixtures/judgment/：中文提炼依据题集、本地模型原始输出、Jev 厂商响应 fixture（虚构内容，离线契约用）。 - backend/test_judgment_adapters.py：30 项测试。 修改（最小面）： - contracts/prescreen.py：新增 E-25 运行级错误码 JUDGMENT_CONTEXT_EXCEEDED； Judgment 增 actual_checkpoint_ref、JudgmentConfig 增 checkpoint_ref。 - services/judgment_provider.py：映射适配层的策略拒绝异常；归一化保留实际权重。 未做（受授权限制）：没有 Jev 凭据与 Laya 权重，因此只交付离线 fixture 路径， live 传输层仅留注入点，未接入硬件与端口探测。fixture 通过不证明中文效果合格。 验证：backend 全量 unittest 440 项 OK（原 410 项无回归）。 Co-Authored-By: Claude Code <noreply@anthropic.com>
This commit is contained in:
Claude Code
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{
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"_note": "T08 统一适配 fixture —— Jev 厂商响应形态（虚构字段名，仅用于验证适配契约）。没有凭据时不发送任何请求：本文件只作离线契约用例（docs/v2/11-judgment-providers.md §8.4 步6）。",
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"responses": {
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"Q-EX-01": {
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"vendor": "jev",
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"api_version": "2026-06-01",
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"checkpoint": "jev-3.2@sha256:7ad401",
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"result": {"decision_code": "COND_APPROVE", "narrative": "条件上成立，需补充回款核验。"},
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"metrics": {"confidence": 0.74, "uncertainty": 0.19},
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"usage": {"prompt_tokens": 812, "output_tokens": 96}
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},
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"Q-EX-02": {
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"vendor": "jev",
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"api_version": "2026-06-01",
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"checkpoint": "jev-3.2@sha256:7ad401",
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"result": {"decision_code": "REJECT", "narrative": "证据不足，不能支持该依据。"},
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"metrics": {"confidence": 0.62},
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"usage": {"prompt_tokens": 790, "output_tokens": 88}
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},
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"Q-EX-03": {
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"vendor": "jev",
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"api_version": "2026-06-01",
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"checkpoint": "jev-3.2@sha256:7ad401",
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"result": {"decision_code": "NOT_LISTED", "narrative": "厂商新增编码，本适配层未登记映射。"},
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"metrics": {},
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"usage": {"prompt_tokens": 640, "output_tokens": 40}
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}
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}
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}
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{
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"_note": "T08 统一适配 fixture —— 中文提炼依据质检题集与本地模型原始输出。虚构演示内容，不是兴邦真实题库；fixture 通过不等于中文效果合格（docs/v2/06-validation.md §6）。",
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"rubric_version": "extraction-grounding.v1",
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"checkpoint_ref": "laya-1.0-zh@sha256:2f1c8d",
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"questions": {
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"Q-EX-01": {
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"id": "Q-EX-01",
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"version": "extraction-grounding.v1#1",
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"type": "choice",
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"prompt": "材料是否支持『客户结构稳定』这一提炼依据？",
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"options": [
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"supported",
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"unsupported"
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],
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"evidence_ids": [
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"EV-EX-01"
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],
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"evidence_text": [
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"近三年主要客户未发生变动，前五大客户集中度由 61% 降至 58%。"
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]
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},
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"Q-EX-02": {
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"id": "Q-EX-02",
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"version": "extraction-grounding.v1#1",
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"type": "choice",
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"prompt": "材料是否支持『回款能力未下降』这一提炼依据？",
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"options": [
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"supported",
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"unsupported"
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],
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"evidence_ids": [
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"EV-EX-02"
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],
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"evidence_text": [
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"主要客户账期由 60 天延长至 95 天，尚未提供银行流水核验。"
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]
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},
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"Q-EX-03": {
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"id": "Q-EX-03",
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"version": "extraction-grounding.v1#1",
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"type": "choice",
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"prompt": "历史案例 H-018 的适用条件在当前项目是否成立？",
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"options": [
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"supported",
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"unsupported"
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],
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"evidence_ids": [
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"EV-EX-03"
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],
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"evidence_text": [
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"案例适用条件为『客户结构稳定且回款可逐笔匹配』，例外为『收入集中或关联回款未穿透』。"
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]
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},
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"Q-EX-04": {
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"id": "Q-EX-04",
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"version": "extraction-grounding.v1#1",
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"type": "choice",
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"prompt": "两份来源对同一事实的说明是否一致？",
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"options": [
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"supported",
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"unsupported"
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],
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"evidence_ids": [
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"EV-EX-04",
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"EV-EX-05"
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],
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"evidence_text": [
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"说明称设备清单与发票品名一致；核验记录标注存在三项品名不符。"
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]
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},
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"Q-EX-05": {
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"id": "Q-EX-05",
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"version": "extraction-grounding.v1#1",
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"type": "choice",
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"prompt": "长材料是否仍支持同一提炼依据？",
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"options": [
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"supported",
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"unsupported"
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],
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"evidence_ids": [
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"EV-EX-06"
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],
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"evidence_text": [
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"长材料样例：经营情况说明、账期变化说明、设备权属说明、租赁物清单与核验记录逐段拼接，用于触发上下文预算拒绝路径。"
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],
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"evidence_padding": "这是一段刻意加长的正文，用于验证超出已验证上下文预算时必须返回未完成而不是截断后继续发送。",
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"evidence_repeat": 12
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}
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},
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"local_answers": {
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"Q-EX-01": {
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"label": "支持",
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"mapping": {
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"支持": "supported",
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"不支持": "unsupported"
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},
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"confidence": 0.91,
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"evidence_ids": [
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"EV-EX-01"
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],
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"actual_checkpoint_ref": "laya-1.0-zh@sha256:2f1c8d"
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},
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"Q-EX-02": {
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"label": "不符合",
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"mapping": {
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"支持": "supported",
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"不支持": "unsupported"
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},
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"confidence": 0.88,
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"evidence_ids": [
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"EV-EX-02"
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],
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"actual_checkpoint_ref": "laya-1.0-zh@sha256:2f1c8d"
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},
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"Q-EX-03": {
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"label": "支持",
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"mapping": {
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"支持": "supported"
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},
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"exception_applies": true,
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"evidence_ids": [
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"EV-EX-03"
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],
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"actual_checkpoint_ref": "laya-1.0-zh@sha256:2f1c8d"
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},
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"Q-EX-04": {
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"label": "支持",
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"mapping": {
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"支持": "supported",
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"不支持": "unsupported"
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},
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"conflicts": [
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"EV-EX-04",
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"EV-EX-05"
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],
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"evidence_ids": [
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"EV-EX-04",
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"EV-EX-05"
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],
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"actual_checkpoint_ref": "laya-1.0-zh@sha256:2f1c8d"
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},
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"Q-EX-05": {
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"label": "支持",
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"mapping": {
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"支持": "supported",
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"不支持": "unsupported"
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},
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"evidence_ids": [
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"EV-EX-06"
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],
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"actual_checkpoint_ref": "laya-1.0-zh@sha256:2f1c8d"
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},
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"Q-EX-06": {
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"label": "支持",
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"mapping": {
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"支持": "supported",
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"不支持": "unsupported"
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},
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"evidence_ids": [
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"EV-EX-01"
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],
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"actual_checkpoint_ref": "laya-1.1-zh@sha256:99be07"
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}
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}
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}
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