init: 初始化 web_hgdjb_server 项目

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

web/service/srv_aicomment/volume.go

@@ -0,0 +1,33 @@
+package srv_aicomment
+
+import (
+	"math/rand"
+)
+
+const (
+	commentsPerGenerationTask = 8
+	aiCommentPlayletTotal     = 3
+)
+
+func selectAIComments(comments []Comment, count int) []Comment {
+	available := make([]Comment, 0, len(comments))
+	for _, comment := range comments {
+		if comment.Text != "" {
+			available = append(available, comment)
+		}
+	}
+	if count <= 0 || len(available) <= count {
+		return available
+	}
+	rand.Shuffle(len(available), func(i, j int) {
+		available[i], available[j] = available[j], available[i]
+	})
+	return available[:count]
+}
+
+func randomIntInclusive(minValue, maxValue int) int {
+	if maxValue <= minValue {
+		return minValue
+	}
+	return minValue + rand.Intn(maxValue-minValue+1)
+}