fix a few final bugs

appview/pages/templates/fragments/pullActions.html

···
         </button>
         {{ end }}
 
-        {{ if and $isPullAuthor $isPushAllowed $isOpen $isLastRound }}
+        {{ if and (or $isPullAuthor $isPushAllowed) $isOpen $isLastRound }}
         <button 
           hx-post="/{{ .RepoInfo.FullName }}/pulls/{{ .Pull.PullId }}/close"
           hx-swap="none"
···
         </button>
         {{ end }}
 
-        {{ if and $isPullAuthor $isPushAllowed $isClosed $isLastRound }}
+        {{ if and (or $isPullAuthor $isPushAllowed) $isClosed $isLastRound }}
         <button 
           hx-post="/{{ .RepoInfo.FullName }}/pulls/{{ .Pull.PullId }}/reopen"
           hx-swap="none"

appview/state/pull.go

···
 		}
 	}
 
-	resp, err := ksClient.MergeCheck([]byte(pull.LatestPatch()), pull.OwnerDid, f.RepoName, pull.TargetBranch)
+	resp, err := ksClient.MergeCheck([]byte(pull.LatestPatch()), f.OwnerDid(), f.RepoName, pull.TargetBranch)
 	if err != nil {
 		log.Println("failed to check for mergeability:", err)
-		switch resp.StatusCode {
-		case 400:
-			return types.MergeCheckResponse{
-				Error: "failed to check merge status: does this knot support PRs?",
-			}
-		default:
-			return types.MergeCheckResponse{
-				Error: "failed to check merge status: this knot is unreachable",
-			}
+		return types.MergeCheckResponse{
+			Error: "failed to check merge status",
+		}
+	}
+	switch resp.StatusCode {
+	case 404:
+		return types.MergeCheckResponse{
+			Error: "failed to check merge status: this knot does not support PRs",
+		}
+	case 400:
+		return types.MergeCheckResponse{
+			Error: "failed to check merge status: does this knot support PRs?",
 		}
 	}
 

appview/state/signer.go

···
 		Method = "POST"
 	)
 	endpoint := fmt.Sprintf("/%s/%s/merge", ownerDid, targetRepo)
-	
+
 	mr := types.MergeRequest{
-		Branch: branch,
+		Branch:        branch,
 		CommitMessage: commitMessage,
-		CommitBody: commitBody,
-		AuthorName: authorName,
-		AuthorEmail: authorEmail,
-		Patch: string(patch),
+		CommitBody:    commitBody,
+		AuthorName:    authorName,
+		AuthorEmail:   authorEmail,
+		Patch:         string(patch),
 	}
 
 	body, _ := json.Marshal(mr)
···
 	)
 	endpoint := fmt.Sprintf("/%s/%s/merge/check", ownerDid, targetRepo)
 
-	body, _ := json.Marshal(map[string]interface{}{
+	body, _ := json.Marshal(map[string]any{
 		"patch":  string(patch),
 		"branch": branch,
 	})