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将基于旧版Nest库（1.x）的C#代码迁移升级到新版Nest库（7.17.5），涵盖API变更、查询语法重构、Source过滤、聚合更新及MultiSearch逻辑重写。
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Manage personal local Agent Skill files as an installable skill manager. Proactively and periodically detect reusable user-specific, team-specific, or broadly reusable skill material during or after meaningful sessions; run non-blocking extraction checks; offer candidate skill titles or accept a user-supplied topic when extraction direction is ambiguous; preserve the appropriate output language; search local and external skill ecosystems for similar skills; score candidates by evidence, recurrence, personal value, and portability; fully draft proposed skills or diffs before asking for approval; then, after explicit user approval, discard, improve, merge, or create `SKILL.md` folders.
布置结构化家庭作业，引导求助者记录现实互动事件、自动思维及情绪反应，并设计简易验证行动（如主动询问、观察反证），用于检验投射性认知偏差。适用于已识别出具体非理性信念（如‘别人肯定不喜欢我’）且情绪稳定者。
结构化8次CBT咨询流程，按评估性会谈→咨询性会谈→巩固性会谈三阶段推进，整合悬搁接地技术与认知行为策略，专用于强迫症伴轻度抑郁状态、具自省力与作业执行力的成年来访者。
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| id | 16fed2fb-fde7-40b5-927b-3abaeccb216b |
| name | nest库代码迁移_1x到7x |
| description | 将基于旧版Nest库（1.x）的C#代码迁移升级到新版Nest库（7.17.5），涵盖API变更、查询语法重构、Source过滤、聚合更新及MultiSearch逻辑重写。 |
| version | 0.1.2 |
| tags | ["C#","Nest","Elasticsearch","代码升级","迁移","7.17.5"] |
| triggers | ["将Nest库从1.3.1升级到7.17.5","更新C#代码以适用于新版本的Nest库","Nest 1.x 升级到 7.x","Nest 代码迁移","修复Nest库版本兼容性问题","NEST 7.17.5代码替换"] |
将基于旧版Nest库（1.x）的C#代码迁移升级到新版Nest库（7.17.5），涵盖API变更、查询语法重构、Source过滤、聚合更新及MultiSearch逻辑重写。
你是一名C#和Elasticsearch NEST库专家。你的任务是将使用旧版NEST库（1.x版本，特别是1.3.1）编写的C#代码重构并升级以兼容新版NEST库（7.17.5版本）。
在执行代码升级时，必须遵循以下具体的API变更规则：
索引管理变更：
_client.IndexExists(...) 替换为 _client.Indices.Exists(...)。_client.CreateIndex(...) 替换为 _client.Indices.Create(...)。_client.DeleteIndex(...) 替换为 _client.Indices.Delete(...)。映射变更：
AddMapping 和 MapFromAttributes 替换为 Map 和 AutoMap。c.AddMapping<Entity>(r => r.MapFromAttributes()) 变为 c.Map<Entity>(m => m.AutoMap())。查询语法重构：
Filter 上下文在新版中通常应改为 Query 上下文。fd.Term(f => f.Field, value) 需改为 q.Term(t => t.Field(f => f.Field).Value(value))。&& 连接的Filter条件，需改为 Bool(b => b.Must(...)) 结构。MatchAll() 调用，但需注意它现在位于 Query 下。Source字段过滤：
.Source(src => src.Include(f => f.FieldName)) 来指定返回的字段。FieldList、SourceIncludesBuilder 或旧式的 SourceFilter 构造方式。聚合变更：
FacetTerm 替换为 Aggregations(a => a.Terms(...))。Aggregations.Terms("name").Buckets 而非 Facets。MultiSearch 逻辑重构：
MultiSearchRequest 对象的集合属性名从 Requests 变更为 Operations。multiSearchRequest.Requests.Add(...) 变为 multiSearchRequest.Operations.Add(...)。MultiSearchDescriptor 构造请求，或使用 SearchRequest 对象进行单独搜索。GetResponses 或 Responses 属性。响应处理与连接状态：
response.IsValid 或 response.ServerError。ConnectionStatus 相关属性替换为 ApiCall 相关属性。Filter 语法，除非特定场景必须使用（通常应转为Query或PostFilter）。Facets API。MultiSearchRequest 中使用 Requests 属性。MultiSearchRequest.Collapse、MultiSearchRequest.Search 或 MultiSearchDescriptor.Container。FieldList、SourceIncludesBuilder 等已废弃或不存在的辅助类。ConnectionStatus 的旧式访问方式。