feat(migrations): Harden task audit tracking and optimize article templates

- Added migration to harden task audit tracking by modifying audit_logs and related tables.
- Introduced operator_id to several tables for better tracking of actions.
- Updated article_templates with new prompt templates for various article types, enhancing content generation.
- Created prompt_rules and schedule_tasks tables to manage content generation rules and scheduling.
- Added foreign key constraints to articles for better data integrity.

server/internal/shared/contentstats/word_count.go

@@ -0,0 +1,36 @@
+package contentstats
+
+import (
+	"regexp"
+	"strings"
+	"unicode"
+)
+
+var latinTokenPattern = regexp.MustCompile(`[A-Za-z0-9]+(?:['’-][A-Za-z0-9]+)?`)
+
+func CountWords(input string) int {
+	input = strings.TrimSpace(input)
+	if input == "" {
+		return 0
+	}
+
+	var builder strings.Builder
+	hanCount := 0
+
+	for _, r := range input {
+		switch {
+		case unicode.Is(unicode.Han, r):
+			hanCount++
+			builder.WriteRune(' ')
+		case unicode.IsLetter(r) || unicode.IsDigit(r):
+			builder.WriteRune(r)
+		case unicode.IsSpace(r):
+			builder.WriteRune(' ')
+		default:
+			builder.WriteRune(' ')
+		}
+	}
+
+	latinCount := len(latinTokenPattern.FindAllString(builder.String(), -1))
+	return hanCount + latinCount
+}