解释和推理动态一致性边界（DCB）以及 Axon Framework 5 和 Axon Server 如何实现它们。
该技能专注于 Axon Framework 5 和 Axon Server 中引入的核心概念——动态一致性边界（Dynamic Consistency Boundaries，简称 DCB）。它帮助开发者和 AI 代理理解如何从传统的聚合（Aggregate）边界迁移到更灵活的、基于事件的并发控制模型。技能详细解释了 `EventCriteria`、`@EventSourcedEntity`、`Tag`、`AppendCondition`、`SourcingCondition` 和 `ConsistencyMarker` 等关键组件，这些组件共同支持在多实体间进行细粒度的一致性建模。其最大价值在于指导用户如何在事件存储中实现乐观并发控制，避免“杀死聚合”（killing the aggregate）的传统痛点，并根据业务场景在标签（Tags）与流（Streams）之间做出合理选择。该技能适用于 Axon 平台用户，尤其是涉及 CQRS/ES 架构的开发者。
npx skills add AxonIQ/AxonFramework解释并推理动态一致性边界（DCB）以及 Axon Framework 5 和 Axon Server 如何实现它们。当用户询问以下内容时使用："DCB"、"动态一致性边界"、"一致性边界"、"杀死聚合"、跨多个实体建模一致性、"EventCriteria"、"@EventCriteriaBuilder"、"@EventTag"、"@EventSourcedEntity"、"Tag"、标签与流对比、"AppendCondition"、"SourcingCondition"、"ConsistencyMarker"、事件存储中的乐观并发、如何选择
Extract frames or short clips from videos using ffmpeg.
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Obra superpowers agent skills.
See, Understand, Act on video and audio. See- ingest from local files, URLs, RTSP/live feeds, or live record desktop; return realtime context and playable stream links. Understand- extract frames, build visual/semantic/temporal indexes, and search moments with timestamps and auto-clips. Act- transcode and normalize (codec, fps, resolution, aspect ratio), perform timeline edits (subtitles, text/image overlays, branding, audio overlays, dubbing, translation), generate media assets (image, audio...
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