feat(ui): Display to maintainers in PR when it is editable

options/locale/locale_en-US.ini

@@ -1996,6 +1996,9 @@ pulls.reopen_failed.base_branch = The pull request cannot be reopened, because t
 pulls.made_using_agit = AGit
 pulls.agit_explanation = Created using the AGit workflow. AGit lets contributors propose changes using "git push" without creating a fork or a new branch.
 
+pulls.editable = Editable
+pulls.editable_explanation = This pull request allows edits from maintainers. You can contribute directly to it.
+
 pulls.auto_merge_button_when_succeed = (When checks succeed)
 pulls.auto_merge_when_succeed = Auto merge when all checks succeed
 pulls.auto_merge_newly_scheduled = The pull request was scheduled to merge when all checks succeed.

templates/repo/issue/view_title.tmpl

@@ -95,6 +95,11 @@
 							</span>
 						</a>
 					{{end}}
+					{{if and .Issue.PullRequest.AllowMaintainerEdit .CanWriteCode}}
+						<span id="editable-label" data-tooltip-content="{{ctx.Locale.Tr "repo.pulls.editable_explanation"}}" class="ui small label">
+							{{ctx.Locale.Tr "repo.pulls.editable"}}
+						</span>
+					{{end}}
 					<span id="pull-desc-editor" class="tw-hidden flex-text-block" data-target-update-url="{{$.RepoLink}}/pull/{{.Issue.Index}}/target_branch">
 						<div class="ui floating filter dropdown">
 							<div class="ui basic small button tw-mr-0">

tests/integration/pull_editable_test.go

@@ -0,0 +1,54 @@
+// Copyright 2025 The Forgejo Authors. All rights reserved.
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package integration
+
+import (
+	"net/http"
+	"net/url"
+	"testing"
+
+	auth_model "code.gitea.io/gitea/models/auth"
+	api "code.gitea.io/gitea/modules/structs"
+	"code.gitea.io/gitea/tests"
+)
+
+func TestPullEditable_ShowEditableLabel(t *testing.T) {
+	onGiteaRun(t, func(t *testing.T, forgejoURL *url.URL) {
+		t.Run("Show editable label if PR is editable", func(t *testing.T) {
+			defer tests.PrintCurrentTest(t)()
+			editable := true
+
+			setPREditable(t, editable)
+			testEditableLabelShown(t, editable)
+		})
+
+		t.Run("Don't show editable label if PR is not editable", func(t *testing.T) {
+			defer tests.PrintCurrentTest(t)()
+			editable := false
+
+			setPREditable(t, editable)
+			testEditableLabelShown(t, editable)
+		})
+	})
+}
+
+func setPREditable(t *testing.T, editable bool) {
+	t.Helper()
+	session := loginUser(t, "user1")
+	token := getTokenForLoggedInUser(t, session, auth_model.AccessTokenScopeWriteRepository)
+
+	req := NewRequestWithJSON(t, "PATCH", "/api/v1/repos/user2/repo1/pulls/3", &api.EditPullRequestOption{
+		AllowMaintainerEdit: &editable,
+	}).AddTokenAuth(token)
+	session.MakeRequest(t, req, http.StatusCreated)
+}
+
+func testEditableLabelShown(t *testing.T, expectLabel bool) {
+	t.Helper()
+	session := loginUser(t, "user2")
+	req := NewRequest(t, "GET", "/user2/repo1/pulls/3")
+	resp := session.MakeRequest(t, req, http.StatusOK)
+	htmlDoc := NewHTMLParser(t, resp.Body)
+	htmlDoc.AssertElement(t, "#editable-label", expectLabel)
+}