fix: 指令错误

fix: qmd add failed (code 2): Usage: qmd collection add [OPTIONS] PATH

fix: 再次分析与ts版本算法上的差异并解决

fix: 算法层面python版本与ts版本保持一致

feat: 更新reranker模型

fix: reranker使用cpu

fix: 三个模型共同参与

feat: 插袋ci和app.py

fix: 修改为qmd server自己处理嵌入

fix: python版本与ts一致，add collection触发index

feat: embed模型替换为jina-embeddings-v2-base-zh

fix: qmd cli & server的手动测试

docs(deprecated): archive llama-cpp-python integration attempt

feat(models): upgrade reranker to Qwen3-Reranker-0.6B

docs(architecture): refactor documentation structure - eliminate duplication and improve maintainability