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ljl
2b31d3681b
If the embedding provider returns an empty slice of vectors (e.g. length 0) due to api mismatch or empty input, BatchEmbed will return length 0. Accessing embedding[i] directly in BatchEmbedWithPool results in an out of bounds panic. Because the panic occurs inside a mu.Lock() block, the mutex is never unlocked, leading to a permanent deadlock of the document processing queue. This fix checks the returned embeddings slice length and returns an error instead of panicking, releasing the mutex properly.