feat: init sproutclaw-web — Go+Gin backend + React frontend

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

backend/internal/services/skills.go

@@ -0,0 +1,72 @@
+package services
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"sproutclaw-web/internal/models"
+)
+
+// ListSkills returns all skills (enabled and disabled) under agentDir.
+func ListSkills(agentDir string) []models.SkillInfo {
+	var skills []models.SkillInfo
+	skills = append(skills, scanSkillsDir(filepath.Join(agentDir, "skills"), true)...)
+	skills = append(skills, scanSkillsDir(filepath.Join(agentDir, "skills-disabled"), false)...)
+	return skills
+}
+
+func scanSkillsDir(dir string, enabled bool) []models.SkillInfo {
+	entries, err := os.ReadDir(dir)
+	if err != nil {
+		return nil
+	}
+	var skills []models.SkillInfo
+	for _, e := range entries {
+		if !e.IsDir() {
+			continue
+		}
+		skillPath := filepath.Join(dir, e.Name())
+		name, desc := parseSkillMD(filepath.Join(skillPath, "SKILL.md"))
+		if name == "" {
+			name = e.Name()
+		}
+		skills = append(skills, models.SkillInfo{
+			Name:        name,
+			Description: desc,
+			Enabled:     enabled,
+			Path:        skillPath,
+		})
+	}
+	return skills
+}
+
+// ToggleSkill moves a skill between skills/ and skills-disabled/ directories.
+func ToggleSkill(agentDir, skillPath string, enable bool) error {
+	skillsDir := filepath.Join(agentDir, "skills")
+	disabledDir := filepath.Join(agentDir, "skills-disabled")
+
+	if !isUnderDir(skillPath, skillsDir) && !isUnderDir(skillPath, disabledDir) {
+		return fmt.Errorf("skill path not in managed directories")
+	}
+
+	name := filepath.Base(skillPath)
+	var src, dst string
+	if enable {
+		src = filepath.Join(disabledDir, name)
+		dst = filepath.Join(skillsDir, name)
+	} else {
+		src = filepath.Join(skillsDir, name)
+		dst = filepath.Join(disabledDir, name)
+	}
+
+	if err := os.MkdirAll(filepath.Dir(dst), 0o755); err != nil {
+		return err
+	}
+	return os.Rename(src, dst)
+}
+
+func isUnderDir(path, dir string) bool {
+	return strings.HasPrefix(filepath.Clean(path), filepath.Clean(dir))
+}