Add database config

internal/config/config.go

@@ -41,6 +41,19 @@ func (cfg TTS) Validate() error {
 	return nil
 }
 
+// Database holds the SQLite database configuration.
+type Database struct {
+	// Path is the filesystem path to the SQLite database file.
+	Path string `yaml:"path"`
+}
+
+func (cfg Database) Validate() error {
+	if cfg.Path == "" {
+		return fmt.Errorf("missing path")
+	}
+	return nil
+}
+
 // STT holds the configuration for the frontend-facing speech-to-text server.
 type STT struct {
 	// URL is the base URL of the whisper-server.
@@ -115,6 +128,9 @@ type JobConfig struct {
 	Task string `yaml:"task"`
 	// Timeout limits the job execution time (e.g., "10m").
 	Timeout string `yaml:"timeout,omitempty"`
+	// UserId identifies the user that owns conversations created by this job.
+	// It is assigned by the service until jobs are stored in the database.
+	UserId string `yaml:"user_id,omitempty"`
 }
 
 func (cfg JobConfig) Validate() error {
@@ -130,6 +146,7 @@ func (cfg JobConfig) Validate() error {
 	if cfg.MaxIterations < 0 {
 		return fmt.Errorf("max_iterations must be non-negative")
 	}
+
 	return nil
 }
 
@@ -171,6 +188,8 @@ func (cfg ToolConfig) Validate() error {
 type Config struct {
 	// Address is the host:port to listen on.
 	Address string `yaml:"address"`
+	// Database configures the SQLite database path.
+	Database Database `yaml:"database"`
 	// ShutdownTimeout is the maximum time to wait for graceful shutdown.
 	ShutdownTimeout string `yaml:"shutdown_timeout"`
 	// shutdownTimeout is the parsed duration, set during Load.
@@ -211,6 +230,9 @@ func (cfg *Config) Validate() error {
 	if cfg.Address == "" {
 		return fmt.Errorf("address required")
 	}
+	if err := cfg.Database.Validate(); err != nil {
+		return fmt.Errorf("invalid database config: %w", err)
+	}
 	if cfg.DefaultModel.Provider == "" {
 		return fmt.Errorf("default_model.provider required")
 	}