H-300: wire Captain Skills into Web runtime (#48)

* H-300: wire Captain Skills into Web runtime

* H-300: enforce effective model and conservative skill budget

* H-300: fix CI gosec step

* ci: extend golangci-lint timeout

* fix lint findings across backend

* fix(push): resolve delivery protocol blockers

* test(repository): close SQLite test databases

* test(repository): reuse SQLite schema per package

* H-307: restore backend Go cache in CI

* H-307: prefetch modules before cold lint

* H-307: resolve govulncheck security gate

* H-307: build lint with patched Go toolchain

* H-307: clear remaining security scan findings

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Co-authored-by: Rogee <rogee@ipao.vip>

backend/internal/handler/api/v1/article_handler.go

@@ -463,11 +463,6 @@ func (h *ArticleHandler) StatusCounts(c *gin.Context) {
 	response.OK(c, counts)
 }
 
-// reorderRequest is the JSON payload for the Reorder endpoint.
-type reorderRequest struct {
-	Positions []positionEntry `json:"positions"`
-}
-
 // positionEntry maps an article ID to its new position value.
 type positionEntry struct {
 	ID       uint `json:"id"`
@@ -1100,7 +1095,7 @@ func articleMetaPayload(raw json.RawMessage) map[string]any {
 }
 
 func renderArticleBulkError(c *gin.Context, err error) {
-	message := "failed to update articles"
+	var message string
 	switch {
 	case errors.Is(err, service.ErrArticleBulkNoArticles):
 		message = "No articles found"