initial: Syntrex extraction from sentinel-community (615 files)

internal/application/contextengine/config.go

@@ -0,0 +1,52 @@
+package contextengine
+
+import (
+	"encoding/json"
+	"os"
+
+	ctxdomain "github.com/sentinel-community/gomcp/internal/domain/context"
+)
+
+// LoadConfig loads engine configuration from a JSON file.
+// If the file does not exist, returns DefaultEngineConfig.
+// If the file exists but is invalid, returns an error.
+func LoadConfig(path string) (ctxdomain.EngineConfig, error) {
+	data, err := os.ReadFile(path)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return ctxdomain.DefaultEngineConfig(), nil
+		}
+		return ctxdomain.EngineConfig{}, err
+	}
+
+	var cfg ctxdomain.EngineConfig
+	if err := json.Unmarshal(data, &cfg); err != nil {
+		return ctxdomain.EngineConfig{}, err
+	}
+
+	// Build skip set from deserialized SkipTools slice.
+	cfg.BuildSkipSet()
+
+	// If skip_tools was omitted in JSON, use defaults.
+	if cfg.SkipTools == nil {
+		cfg.SkipTools = ctxdomain.DefaultSkipTools()
+		cfg.BuildSkipSet()
+	}
+
+	if err := cfg.Validate(); err != nil {
+		return ctxdomain.EngineConfig{}, err
+	}
+
+	return cfg, nil
+}
+
+// SaveDefaultConfig writes the default configuration to a JSON file.
+// Useful for bootstrapping .rlm/context.json.
+func SaveDefaultConfig(path string) error {
+	cfg := ctxdomain.DefaultEngineConfig()
+	data, err := json.MarshalIndent(cfg, "", "  ")
+	if err != nil {
+		return err
+	}
+	return os.WriteFile(path, data, 0o644)
+}