Struct IndexService

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pub struct IndexService { /* private fields */ }

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索引服务：桥接 Transaction/Step 与后端

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impl IndexService

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pub fn new(backend: Arc<SqliteBackend>) -> Self

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pub async fn handle(&self, event: IndexEvent) -> Result<()>

处理事件（调度后端执行）

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impl UnsafeUnpin for IndexService

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