Delete internal directory

internal/project/blackboard_refresh.go

@@ -1,56 +0,0 @@
-package project
-
-import "strings"
-
-// FactIndexSectionHeading 黑板索引可读标题行前缀（块内保留，供 Agent 阅读）。
-const FactIndexSectionHeading = "## 项目黑板索引"
-
-// FactIndexSectionStartMarker / EndMarker：HTML 注释边界，供程序化替换；对模型无指令语义。
-const (
-	FactIndexSectionStartMarker = "<!-- fact-index-start -->"
-	FactIndexSectionEndMarker   = "<!-- fact-index-end -->"
-)
-
-// ReplaceFactIndexSection 用 freshIndex 替换 content 中已有的项目黑板索引段。
-// freshIndex 须为 BuildFactIndexBlock 的完整输出。起止 HTML 注释缺失时返回 (_, false)。
-func ReplaceFactIndexSection(content, freshIndex string) (string, bool) {
-	freshIndex = strings.TrimSpace(freshIndex)
-	if freshIndex == "" {
-		return content, false
-	}
-	start, ok := factIndexSectionStart(content)
-	if !ok {
-		return content, false
-	}
-	end, ok := factIndexSectionEnd(content, start)
-	if !ok || end <= start {
-		return content, false
-	}
-	return content[:start] + freshIndex + content[end:], true
-}
-
-// wrapFactIndexBlock 为 BuildFactIndexBlock 正文加上统一起止 HTML 注释边界。
-func wrapFactIndexBlock(content string) string {
-	content = strings.TrimSpace(content)
-	return FactIndexSectionStartMarker + "\n" + content + "\n" + FactIndexSectionEndMarker + "\n"
-}
-
-func factIndexSectionStart(content string) (int, bool) {
-	idx := strings.Index(content, FactIndexSectionStartMarker)
-	if idx < 0 {
-		return 0, false
-	}
-	return idx, true
-}
-
-func factIndexSectionEnd(content string, start int) (int, bool) {
-	if start < 0 || start >= len(content) {
-		return 0, false
-	}
-	tail := content[start:]
-	idx := strings.LastIndex(tail, FactIndexSectionEndMarker)
-	if idx < 0 {
-		return 0, false
-	}
-	return start + idx + len(FactIndexSectionEndMarker), true
-}