config

type Config struct {
	Server    ServerConfig    `yaml:"server"`
	Embedding EmbeddingConfig `yaml:"embedding"`
	VectorDB  VectorDBConfig  `yaml:"vectordb"`
	Splitter  SplitterConfig  `yaml:"splitter"`
}

type EmbeddingConfig struct {
	Provider string `yaml:"provider"` // openai | ollama | voyageai | gemini
	Model    string `yaml:"model"`
	APIKey   string `yaml:"api_key"`
	BaseURL  string `yaml:"base_url"`
	Dim      int    `yaml:"dim"`           // 仅 Ollama / 自托管 OpenAI 兼容服务需要手动指定
	RPM      int    `yaml:"rpm,omitempty"` // 限速：每分钟请求数（0=用 provider 默认）
	TPM      int    `yaml:"tpm,omitempty"` // 限速：每分钟 tokens（0=用 provider 默认；free tier 应调小）
}

type ServerConfig struct {
	Port int    `yaml:"port"`
	Host string `yaml:"host"`
}

type SplitterConfig struct {
	MaxChunkSize  int `yaml:"max_chunk_size"`
	ChunkOverlap  int `yaml:"chunk_overlap"`
	MinChunkBytes int `yaml:"min_chunk_bytes"` // 小于该字节数的 chunk 在服务端被过滤；0 = 不过滤
}

type VectorDBConfig struct {
	Provider string `yaml:"provider"` // milvus
	Address  string `yaml:"address"`
	Token    string `yaml:"token"`
}