screen-time-api-engineer

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Screen Time API Engineer

Screen Time API 工程师

Use this skill to implement and harden Screen Time API apps with a docs-first evidence model.

使用此技能，以文档优先的证据模型来实现并加固基于Screen Time API的应用。

Rules

规则

Use this evidence order for decisions:
1. Canonical Apple docs and WWDC
2. Local SDK interfaces/headers
3. Project-observed implementations (Project Alpha/Project Beta)
4. Field notes (forums/medium)
If sources conflict, prefer canonical + SDK behavior.
Mark uncertain conclusions as inference and include a caveat.

决策时遵循以下证据优先级：
1. 官方Apple文档与WWDC内容
2. 本地SDK接口/头文件
3. 项目实测实现（Alpha项目/Beta项目）
4. 行业笔记（论坛/Medium平台）
若来源内容冲突，优先采用官方文档+SDK实际行为。
不确定的结论需标记为推断，并附上说明。

Quick Start Workflow

快速开始工作流

Identify user goal category.
Open matching references from
```
references/guides
```
.
Cross-check critical API claims in
```
references/evidence
```
.
If implementation quality or regressions matter, use
```
references/rundowns
```
.
Produce output with explicit source/confidence labeling.

确定用户目标类别。
打开
```
references/guides
```
中对应的参考文档。
在
```
references/evidence
```
中交叉验证关键API声明。
若涉及实现质量或回归问题，使用
```
references/rundowns
```
中的内容。
输出内容需包含明确的来源/置信度标签。

Goal to Reference Map

目标与参考文档映射

Entitlements, signing, distribution approval:

references/guides/02-authorization-setup.md

references/guides/19-release-and-app-review-checklist.md

Family activity picker and token handling:

references/guides/03-familycontrols-selection-and-token-model.md

references/guides/04-displaying-activity-labels-and-real-app-icons.md

Shield policy and store behavior:

references/guides/05-managedsettings-enforcement-patterns.md

references/guides/06-web-blocking-and-webdomain-policy.md

Custom shield UI/action:

references/guides/07-managedsettingsui-custom-shield-systems.md

references/guides/08-shield-actions-and-response-strategies.md

Scheduling and monitor callbacks:

references/guides/09-deviceactivity-scheduling-thresholds-and-errors.md

references/guides/10-deviceactivity-monitor-extension-playbook.md

Usage analytics reporting:

references/guides/11-deviceactivity-report-analytics-architecture.md

Web usage control/reporting via ScreenTime framework:

references/guides/12-screentime-framework-web-usage-reporting.md

Onboarding and permission UX:

references/guides/13-onboarding-and-permission-ui-blueprints.md

End-to-end implementation reference:

references/guides/14-app-and-website-blocking-reference-implementation.md

Project deep dives and comparative hardening:

references/guides/15-project-alpha-implementation-analysis.md

references/guides/16-project-beta-implementation-analysis.md

references/rundowns/12-cross-project-rundown.md

Bug prevention, testing, and preflight:

references/guides/17-hardening-checklist-bug-prevention.md

references/guides/18-testing-matrix-device-only-edge-cases.md

references/guides/21-preflight-rundown.md

权限配置、签名与分发审核:

references/guides/02-authorization-setup.md

references/guides/19-release-and-app-review-checklist.md

家庭活动选择器与令牌处理:

references/guides/03-familycontrols-selection-and-token-model.md

references/guides/04-displaying-activity-labels-and-real-app-icons.md

屏蔽策略与存储行为:

references/guides/05-managedsettings-enforcement-patterns.md

references/guides/06-web-blocking-and-webdomain-policy.md

自定义屏蔽界面/操作:

references/guides/07-managedsettingsui-custom-shield-systems.md

references/guides/08-shield-actions-and-response-strategies.md

日程安排与监控回调:

references/guides/09-deviceactivity-scheduling-thresholds-and-errors.md

references/guides/10-deviceactivity-monitor-extension-playbook.md

使用分析报告:

references/guides/11-deviceactivity-report-analytics-architecture.md

通过ScreenTime框架实现网页使用控制/报告:

references/guides/12-screentime-framework-web-usage-reporting.md

引导流程与权限交互界面:

references/guides/13-onboarding-and-permission-ui-blueprints.md

端到端实现参考:

references/guides/14-app-and-website-blocking-reference-implementation.md

项目深度解析与对比加固:

references/guides/15-project-alpha-implementation-analysis.md

references/guides/16-project-beta-implementation-analysis.md

references/rundowns/12-cross-project-rundown.md

Bug预防、测试与预检:

references/guides/17-hardening-checklist-bug-prevention.md

references/guides/18-testing-matrix-device-only-edge-cases.md

references/guides/21-preflight-rundown.md

Evidence Files (Use When Verifying API Contracts)

证据文件（验证API协议时使用）

references/evidence/01-familycontrols-sdk-signatures.md

references/evidence/02-managedsettings-sdk-signatures.md

references/evidence/03-managedsettingsui-sdk-signatures.md

references/evidence/04-deviceactivity-sdk-signatures.md

references/evidence/05-deviceactivity-report-sdk-signatures.md

references/evidence/06-screentime-framework-headers.md

references/evidence/07-claim-reconciliation.md

references/evidence/00-source-url-inventory.md

references/evidence/01-familycontrols-sdk-signatures.md

references/evidence/02-managedsettings-sdk-signatures.md

references/evidence/03-managedsettingsui-sdk-signatures.md

references/evidence/04-deviceactivity-sdk-signatures.md

references/evidence/05-deviceactivity-report-sdk-signatures.md

references/evidence/06-screentime-framework-headers.md

references/evidence/07-claim-reconciliation.md

references/evidence/00-source-url-inventory.md

Output Contract

输出规范

When using this skill for implementation guidance, include:

Chosen API path and why.
Risks/failure modes.
Validation checklist.
Source citations with confidence labels.

使用此技能提供实现指导时，需包含：

选择的API路径及原因。
风险/失败场景。
验证清单。
带有置信度标签的来源引用。

Boundaries

边界限制

Do not infer private APIs or unsupported token conversion techniques.
Do not claim behavior beyond canonical/SDK support without explicit caveats.
Do not skip extension-signing parity checks when discussing release readiness.

不得推断私有API或未受支持的令牌转换技术。
若无明确说明，不得声称具备超出官方文档/SDK支持范围的功能。
讨论发布准备时，不得跳过扩展签名一致性检查。