Repo iniciado

internal/config/loader.go

@@ -0,0 +1,47 @@
+package config
+
+import (
+	"fmt"
+	"os"
+
+	"gopkg.in/yaml.v3"
+)
+
+// Load reads and parses an agent config file from the given path.
+func Load(path string) (*AgentConfig, error) {
+	data, err := os.ReadFile(path)
+	if err != nil {
+		return nil, fmt.Errorf("read config %s: %w", path, err)
+	}
+
+	// Expand environment variables in the raw YAML bytes.
+	expanded := os.ExpandEnv(string(data))
+
+	var cfg AgentConfig
+	if err := yaml.Unmarshal([]byte(expanded), &cfg); err != nil {
+		return nil, fmt.Errorf("parse config %s: %w", path, err)
+	}
+
+	if err := validate(&cfg); err != nil {
+		return nil, fmt.Errorf("invalid config %s: %w", path, err)
+	}
+
+	return &cfg, nil
+}
+
+// validate applies basic sanity checks.
+func validate(cfg *AgentConfig) error {
+	if cfg.Agent.ID == "" {
+		return fmt.Errorf("agent.id is required")
+	}
+	if cfg.Matrix.Homeserver == "" {
+		return fmt.Errorf("matrix.homeserver is required")
+	}
+	if cfg.Matrix.UserID == "" {
+		return fmt.Errorf("matrix.user_id is required")
+	}
+	if cfg.LLM.Primary.Provider == "" {
+		return fmt.Errorf("llm.primary.provider is required")
+	}
+	return nil
+}