config

type Config struct {
	LLM       LLMConfig       `mapstructure:"llm"`
	Embedding EmbeddingConfig `mapstructure:"embedding"`
	DB        DBConfig        `mapstructure:"db"`
	Defaults  DefaultsConfig  `mapstructure:"defaults"`
	Search    SearchConfig    `mapstructure:"search"`
	MCP       MCPConfig       `mapstructure:"mcp"`
	Log       LogConfig       `mapstructure:"log"`
}

type DBConfig struct {
	// Backend selects the storage engine: "sqlite" (default) or "postgres".
	Backend string `mapstructure:"backend"`
	// Path is the SQLite database file. Used only when Backend = sqlite.
	Path string `mapstructure:"path"`
	// DSN is the Postgres connection string (e.g. postgres://user:pass@host:5432/db?sslmode=disable).
	// Used only when Backend = postgres.
	DSN string `mapstructure:"dsn"`
}

type DefaultsConfig struct {
	Sensitive bool `mapstructure:"sensitive"`
}

type EmbeddingConfig struct {
	Backend   string `mapstructure:"backend"`
	Model     string `mapstructure:"model"`
	APIKey    string `mapstructure:"api_key"`
	BaseURL   string `mapstructure:"base_url"`
	Dimension int    `mapstructure:"dimension"`
}

type LLMConfig struct {
	Backend string `mapstructure:"backend"`
	Model   string `mapstructure:"model"`
	APIKey  string `mapstructure:"api_key"`
	BaseURL string `mapstructure:"base_url"`
}

type LogConfig struct {
	Level string `mapstructure:"level"`
}

type MCPConfig struct {
	// RevealSensitive, when true, lets the MCP server include plaintext
	// content of notes marked sensitive (search_notes will surface them
	// to the LLM, get_note will return unmasked content). Default false:
	// sensitive notes are excluded from search candidates and masked in
	// get_note responses.
	RevealSensitive bool `mapstructure:"reveal_sensitive"`
}

type SearchConfig struct {
	// MaxDistance drops notes whose L2 distance exceeds this value (0 = use built-in default, <0 = disable).
	MaxDistance float32 `mapstructure:"max_distance"`
	// TopK is the number of nearest-neighbour candidates fetched before threshold filtering (0 = use built-in default).
	TopK int `mapstructure:"top_k"`
}