config

type Config struct {
	Server    ServerConfig    `yaml:"server" mapstructure:"server"`
	Database  DatabaseConfig  `yaml:"database" mapstructure:"database"`
	MCP       MCPConfig       `yaml:"mcp" mapstructure:"mcp"`
	HTTP      HTTPConfig      `yaml:"http" mapstructure:"http"`
	Logging   LoggingConfig   `yaml:"logging" mapstructure:"logging"`
	Search    SearchConfig    `yaml:"search" mapstructure:"search"`
	Memory    MemoryConfig    `yaml:"memory" mapstructure:"memory"`
	Lifecycle LifecycleConfig `yaml:"lifecycle" mapstructure:"lifecycle"`

	// LoadedFrom is the path of the config file that was loaded.
	// Used by Save() and ReloadConfig() to always use the same file.
	// Not serialized to YAML.
	LoadedFrom string `yaml:"-" mapstructure:"-"`
}

type DatabaseConfig struct {
	Path     string       `yaml:"path" mapstructure:"path"`
	InMemory bool         `yaml:"in_memory" mapstructure:"in_memory"`
	Pragma   PragmaConfig `yaml:"pragma" mapstructure:"pragma"`
}

type HTTPConfig struct {
	Enabled bool   `yaml:"enabled" mapstructure:"enabled"`
	Port    int    `yaml:"port" mapstructure:"port"`
	Host    string `yaml:"host" mapstructure:"host"`
	Token   string `yaml:"token" mapstructure:"token"`
}

type LifecycleConfig struct {
	EnableAutoArchive    bool   `yaml:"enable_auto_archive" mapstructure:"enable_auto_archive"`
	ArchiveCheckInterval string `yaml:"archive_check_interval" mapstructure:"archive_check_interval"`
}

type LoggingConfig struct {
	Level  string `yaml:"level" mapstructure:"level"`
	Format string `yaml:"format" mapstructure:"format"`
}

type MCPConfig struct {
	Enabled bool `yaml:"enabled" mapstructure:"enabled"`
}

type MemoryConfig struct {
	MaxObservationLength int     `yaml:"max_observation_length" mapstructure:"max_observation_length"`
	DedupeWindow         string  `yaml:"dedupe_window" mapstructure:"dedupe_window"`
	AutoArchiveDays      int     `yaml:"auto_archive_days" mapstructure:"auto_archive_days"`
	DecayHalfLifeDays    float64 `yaml:"importance_decay_half_life" mapstructure:"importance_decay_half_life"`
	MinArchiveScore      float64 `yaml:"min_archive_score" mapstructure:"min_archive_score"`
}

type PragmaConfig struct {
	JournalMode string `yaml:"journal_mode" mapstructure:"journal_mode"`
	Synchronous string `yaml:"synchronous" mapstructure:"synchronous"`
	CacheSize   int    `yaml:"cache_size" mapstructure:"cache_size"`
	ForeignKeys bool   `yaml:"foreign_keys" mapstructure:"foreign_keys"`
	TempStore   string `yaml:"temp_store" mapstructure:"temp_store"`
	MmapSize    int    `yaml:"mmap_size" mapstructure:"mmap_size"`
}

type SearchConfig struct {
	DefaultLimit      int     `yaml:"default_limit" mapstructure:"default_limit"`
	MaxLimit          int     `yaml:"max_limit" mapstructure:"max_limit"`
	FTS5              bool    `yaml:"fts5" mapstructure:"fts5"`
	Vector            bool    `yaml:"vector" mapstructure:"vector"`
	FusionK           float64 `yaml:"fusion_k" mapstructure:"fusion_k"`
	EmbeddingProvider string  `yaml:"embedding_provider" mapstructure:"embedding_provider"` // "ollama", "openai", "none" (default)
	EmbeddingModel    string  `yaml:"embedding_model" mapstructure:"embedding_model"`       // Model name override (e.g. "qwen3-embedding:8b")
	EmbeddingBaseURL  string  `yaml:"embedding_base_url" mapstructure:"embedding_base_url"` // Ollama base URL override (default: http://localhost:11434)
	OllamaAutoStart   bool    `yaml:"ollama_auto_start" mapstructure:"ollama_auto_start"`   // Auto-start Ollama when configured as provider
}

type ServerConfig struct {
	Name    string `yaml:"name" mapstructure:"name"`
	Version string `yaml:"version" mapstructure:"version"`
}