fix: include merged time in pr view

shortcuts/pr/pr.go

@@ -85,7 +85,7 @@ func Shortcuts() []*common.Shortcut {
 				if err != nil {
 					return err
 				}
-				if err := enrichPullRequestClosedAt(ctx, env); err != nil {
+				if err := enrichPullRequestFinishedAt(ctx, env); err != nil {
 					return err
 				}
 				return ctx.Output(env)
@@ -396,13 +396,13 @@ func extractIssueID(env *output.Envelope) (int64, error) {
 	return int64(idFloat), nil
 }
 
-func enrichPullRequestClosedAt(ctx *common.RuntimeContext, env *output.Envelope) error {
+func enrichPullRequestFinishedAt(ctx *common.RuntimeContext, env *output.Envelope) error {
 	data, ok := env.Data.(map[string]interface{})
 	if !ok {
 		return nil
 	}
 	pr, ok := data["pull_request"].(map[string]interface{})
-	if !ok || !isClosedPullRequest(pr) || stringField(pr, "closed_at") != "" {
+	if !ok || (!isClosedPullRequest(pr) && !isMergedPullRequest(pr)) {
 		return nil
 	}
 	issue, ok := data["issue"].(map[string]interface{})
@@ -417,12 +417,20 @@ func enrichPullRequestClosedAt(ctx *common.RuntimeContext, env *output.Envelope)
 	if err != nil {
 		return err
 	}
-	closedAt := extractPullRequestClosedAt(journalsEnv)
-	if closedAt == "" {
-		return nil
+	if isMergedPullRequest(pr) && stringField(pr, "merged_at") == "" {
+		mergedAt := extractPullRequestMergedAt(journalsEnv)
+		if mergedAt != "" {
+			pr["merged_at"] = mergedAt
+			data["merged_at"] = mergedAt
+		}
+	}
+	if isClosedPullRequest(pr) && stringField(pr, "closed_at") == "" {
+		closedAt := extractPullRequestClosedAt(journalsEnv)
+		if closedAt != "" {
+			pr["closed_at"] = closedAt
+			data["closed_at"] = closedAt
+		}
 	}
-	pr["closed_at"] = closedAt
-	data["closed_at"] = closedAt
 	return nil
 }
 
@@ -434,6 +442,14 @@ func isClosedPullRequest(pr map[string]interface{}) bool {
 	return ok && int(status) == 2
 }
 
+func isMergedPullRequest(pr map[string]interface{}) bool {
+	if stringField(pr, "pull_request_staus") == "merged" {
+		return true
+	}
+	status, ok := numberField(pr, "status")
+	return ok && int(status) == 1
+}
+
 func extractPullRequestClosedAt(env *output.Envelope) string {
 	data, ok := env.Data.(map[string]interface{})
 	if !ok {
@@ -462,6 +478,30 @@ func extractPullRequestClosedAt(env *output.Envelope) string {
 	return ""
 }
 
+func extractPullRequestMergedAt(env *output.Envelope) string {
+	data, ok := env.Data.(map[string]interface{})
+	if !ok {
+		return ""
+	}
+	rawJournals, ok := data["journals"].([]interface{})
+	if !ok {
+		return ""
+	}
+	for i := len(rawJournals) - 1; i >= 0; i-- {
+		journal, ok := rawJournals[i].(map[string]interface{})
+		if !ok || stringField(journal, "operate_category") != "status" {
+			continue
+		}
+		if updatedAt := stringField(journal, "updated_at"); updatedAt != "" {
+			return updatedAt
+		}
+		if createdAt := stringField(journal, "created_at"); createdAt != "" {
+			return createdAt
+		}
+	}
+	return ""
+}
+
 func isPullRequestCloseOperation(content string) bool {
 	content = strings.ToLower(content)
 	return strings.Contains(content, "合并请求") &&

shortcuts/pr/pr_test.go

@@ -106,6 +106,53 @@ func TestPRViewAddsClosedAtFromIssueJournal(t *testing.T) {
 	assertEqual(t, prData["closed_at"], "2026-05-25 08:58")
 }
 
+func TestPRViewAddsMergedAtFromIssueJournal(t *testing.T) {
+	var issueJournalCalled bool
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		switch {
+		case r.Method == "GET" && r.URL.Path == "/owner/repo/pulls/38.json":
+			writeJSON(t, w, map[string]interface{}{
+				"issue": map[string]interface{}{
+					"id": float64(142757),
+				},
+				"pull_request": map[string]interface{}{
+					"status":             float64(1),
+					"pull_request_staus": "merged",
+				},
+			})
+		case r.Method == "GET" && r.URL.Path == "/v1/owner/repo/issues/142757/journals.json":
+			issueJournalCalled = true
+			writeJSON(t, w, map[string]interface{}{
+				"journals": []map[string]interface{}{
+					{
+						"operate_category": "status",
+						"operate_content":  "merged pull request",
+						"created_at":       "2026-05-25 09:10",
+						"updated_at":       "2026-05-25 09:10",
+					},
+				},
+			})
+		default:
+			t.Fatalf("unexpected request: %s %s", r.Method, r.URL.Path)
+		}
+	}))
+	defer server.Close()
+
+	env, err := runPRShortcutWithOutput(t, server, "view", map[string]string{
+		"id": "38",
+	})
+	if err != nil {
+		t.Fatalf("view shortcut failed: %v", err)
+	}
+	if !issueJournalCalled {
+		t.Fatal("issue journal endpoint was not called")
+	}
+	data := env.Data.(map[string]interface{})
+	assertEqual(t, data["merged_at"], "2026-05-25 09:10")
+	prData := data["pull_request"].(map[string]interface{})
+	assertEqual(t, prData["merged_at"], "2026-05-25 09:10")
+}
+
 func TestPRViewDoesNotFetchJournalsForOpenPR(t *testing.T) {
 	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		if r.Method != "GET" || r.URL.Path != "/owner/repo/pulls/45.json" {
@@ -400,7 +447,7 @@ func runPRShortcutWithOutput(t *testing.T, server *httptest.Server, name string,
 	if err != nil {
 		return nil, err
 	}
-	if err := enrichPullRequestClosedAt(ctx, env); err != nil {
+	if err := enrichPullRequestFinishedAt(ctx, env); err != nil {
 		return nil, err
 	}
 	return env, nil