config

type Config struct {
	Env               string
	LogLevel          string
	HTTPPort          string
	GRPCPort          string
	DBDriver          string
	DBDSN             string
	DLQPath           string
	DLQReplayInterval string

	// Ingestion Filtering
	IngestMinSeverity      string
	IngestAllowedServices  string
	IngestExcludedServices string

	// DB Connection Pool
	DBMaxOpenConns    int
	DBMaxIdleConns    int
	DBConnMaxLifetime string // e.g. "1h", "30m"

	// Hot/Cold Storage
	HotRetentionDays    int
	ColdStoragePath     string
	ColdStorageMaxGB    int
	ArchiveScheduleHour int // 0-23, hour of day to run archival
	ArchiveBatchSize    int

	// TSDB
	TSDBRingBufferDuration string // e.g. "1h"

	// Smart Observability — Adaptive Sampling
	SamplingRate               float64
	SamplingAlwaysOnErrors     bool
	SamplingLatencyThresholdMs int

	// Smart Observability — Metric Cardinality
	MetricAttributeKeys  string // comma-separated allowlist
	MetricMaxCardinality int

	// DLQ Safety
	DLQMaxFiles   int
	DLQMaxDiskMB  int
	DLQMaxRetries int

	// API Protection
	APIRateLimitRPS int

	// MCP Server
	MCPEnabled bool
	MCPPath    string

	// Compression
	CompressionLevel string // "default", "fast", "best"

	// Vector Index
	VectorIndexMaxEntries int

	// DevMode disables origin checks for WebSocket and enables dev-friendly defaults.
	// Derived from APP_ENV == "development".
	DevMode bool
}