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skillpackage/content.go

@@ -0,0 +1,164 @@
+package skillpackage
+
+import (
+	"fmt"
+	"regexp"
+	"strings"
+)
+
+var reH2 = regexp.MustCompile(`(?m)^##\s+(.+)$`)
+
+const summaryContentRunes = 6000
+
+type markdownSection struct {
+	Heading string
+	Title   string
+	Content string
+}
+
+func splitMarkdownSections(body string) []markdownSection {
+	body = strings.TrimSpace(body)
+	if body == "" {
+		return nil
+	}
+	idxs := reH2.FindAllStringIndex(body, -1)
+	titles := reH2.FindAllStringSubmatch(body, -1)
+	if len(idxs) == 0 {
+		return []markdownSection{{
+			Heading: "",
+			Title:   "_body",
+			Content: body,
+		}}
+	}
+	var out []markdownSection
+	for i := range idxs {
+		title := strings.TrimSpace(titles[i][1])
+		start := idxs[i][0]
+		end := len(body)
+		if i+1 < len(idxs) {
+			end = idxs[i+1][0]
+		}
+		chunk := strings.TrimSpace(body[start:end])
+		out = append(out, markdownSection{
+			Heading: "## " + title,
+			Title:   title,
+			Content: chunk,
+		})
+	}
+	return out
+}
+
+func deriveSections(body string) []SkillSection {
+	md := splitMarkdownSections(body)
+	out := make([]SkillSection, 0, len(md))
+	for _, ms := range md {
+		if ms.Title == "_body" {
+			continue
+		}
+		out = append(out, SkillSection{
+			ID:      slugifySectionID(ms.Title),
+			Title:   ms.Title,
+			Heading: ms.Heading,
+			Level:   2,
+		})
+	}
+	return out
+}
+
+func slugifySectionID(title string) string {
+	title = strings.TrimSpace(strings.ToLower(title))
+	if title == "" {
+		return "section"
+	}
+	var b strings.Builder
+	for _, r := range title {
+		switch {
+		case r >= 'a' && r <= 'z', r >= '0' && r <= '9':
+			b.WriteRune(r)
+		case r == ' ', r == '-', r == '_':
+			b.WriteRune('-')
+		}
+	}
+	s := strings.Trim(b.String(), "-")
+	if s == "" {
+		return "section"
+	}
+	return s
+}
+
+func findSectionContent(sections []markdownSection, sec string) string {
+	sec = strings.TrimSpace(sec)
+	if sec == "" {
+		return ""
+	}
+	want := strings.ToLower(sec)
+	for _, s := range sections {
+		if strings.EqualFold(slugifySectionID(s.Title), want) || strings.EqualFold(s.Title, sec) {
+			return s.Content
+		}
+		if strings.EqualFold(strings.ReplaceAll(s.Title, " ", "-"), want) {
+			return s.Content
+		}
+	}
+	return ""
+}
+
+func buildSummaryMarkdown(name, description string, tags []string, scripts []SkillScriptInfo, sections []SkillSection, body string) string {
+	var b strings.Builder
+	if description != "" {
+		b.WriteString(description)
+		b.WriteString("\n\n")
+	}
+	if len(tags) > 0 {
+		b.WriteString("**Tags**: ")
+		b.WriteString(strings.Join(tags, ", "))
+		b.WriteString("\n\n")
+	}
+	if len(scripts) > 0 {
+		b.WriteString("### Bundled scripts\n\n")
+		for _, sc := range scripts {
+			line := "- `" + sc.RelPath + "`"
+			if sc.Description != "" {
+				line += " — " + sc.Description
+			}
+			b.WriteString(line)
+			b.WriteString("\n")
+		}
+		b.WriteString("\n")
+	}
+	if len(sections) > 0 {
+		b.WriteString("### Sections\n\n")
+		for _, sec := range sections {
+			line := "- **" + sec.ID + "**"
+			if sec.Title != "" && sec.Title != sec.ID {
+				line += ": " + sec.Title
+			}
+			b.WriteString(line)
+			b.WriteString("\n")
+		}
+		b.WriteString("\n")
+	}
+	mdSecs := splitMarkdownSections(body)
+	preview := body
+	if len(mdSecs) > 0 && mdSecs[0].Title != "_body" {
+		preview = mdSecs[0].Content
+	}
+	b.WriteString("### Preview (SKILL.md)\n\n")
+	b.WriteString(truncateRunes(strings.TrimSpace(preview), summaryContentRunes))
+	b.WriteString("\n\n---\n\n_(Summary for admin UI. Agents use Eino `skill` tool for full SKILL.md progressive loading.)_")
+	if name != "" {
+		b.WriteString(fmt.Sprintf("\n\n_Skill name: %s_", name))
+	}
+	return b.String()
+}
+
+func truncateRunes(s string, max int) string {
+	if max <= 0 || s == "" {
+		return s
+	}
+	r := []rune(s)
+	if len(r) <= max {
+		return s
+	}
+	return string(r[:max]) + "…"
+}