frontend/dashboard.css

@@ -535,7 +535,6 @@ textarea { resize: vertical; min-height: 120px; }
 #issue-sheet.read-only #issue-planning,
 #issue-sheet.read-only #issue-handoff,
 #issue-sheet.read-only #release-issue,
-#issue-sheet.read-only #close-issue,
 #issue-sheet.read-only .detail-defer,
 #issue-sheet.read-only #issue-blockers,
 #issue-sheet.read-only #retry-issue-comment-actions { display:none; }

frontend/dashboard.js

@@ -3352,6 +3352,7 @@
   async function openIssueSheet(item, trigger, offlineDetail = null) {
     if (!item) return;
     const readOnly = issueController.readOnly(item);
+    const withdrawable = item.is_filed && !item.is_assigned && !item.is_completed && item.state === 'open';
     qs('#issue-sheet').classList.toggle('read-only', readOnly);
     issueDetailPosition.open(workDetailIdentity('issue', item));
     qs('#issue-planning').inert = false;
@@ -3411,7 +3412,8 @@
     qs('#issue-edit-form').hidden = true;
     qs('#issue-edit-status').textContent = '';
     qs('#close-issue').disabled = false;
-    qs('#close-issue').textContent = offlineDetail ?
+    qs('#close-issue').hidden = readOnly && !withdrawable;
+    qs('#close-issue').textContent = withdrawable ? 'Withdraw issue' : offlineDetail ?
       (workSession.active() ? 'Queue close & next' : 'Queue issue closure') :
       (workSession.active() ? 'Close & next' : 'Close issue');
     qs('#release-issue').textContent = workSession.checkpointed(item) ? 'Release & next' : 'Release assignment';
@@ -5914,7 +5916,12 @@
     }
   });
   qs('#close-issue').addEventListener('click', async () => {
-    if (!selectedIssue || !window.confirm('Close ' + selectedIssue.key + '?')) return;
+    if (!selectedIssue) return;
+    const withdrawing = selectedIssue.is_filed && !selectedIssue.is_assigned;
+    const confirmation = withdrawing ?
+      'Withdraw ' + selectedIssue.key + '? This closes the delegated request.' :
+      'Close ' + selectedIssue.key + '?';
+    if (!window.confirm(confirmation)) return;
     const closing = selectedIssue;
     const button = qs('#close-issue');
     button.disabled = true;
@@ -5940,11 +5947,13 @@
     }
     qs('#issue-sheet-status').textContent = 'Closing issue…';
     try {
-      await issueController.close(selectedIssue);
+      const result = await issueController.close(selectedIssue);
       closeIssueSheet();
-      lastMyWork = lastMyWork.filter(item =>
-        !(item.kind === 'issue' && item.repository === closing.repository && item.number === closing.number)
-      );
+      if (withdrawing) Object.assign(closing, {
+        state:'closed',is_completed:true,updated_at:result.updated_at || closing.updated_at,
+      });
+      else lastMyWork = lastMyWork.filter(item =>
+        !(item.kind === 'issue' && item.repository === closing.repository && item.number === closing.number));
       refreshMyWorkView({ reconcileSession:false });
       const continuingSession = workSession.active();
       const transitionResult = workSession.active() ? await runTodayTransition('complete') : null;
@@ -5953,7 +5962,7 @@
       } else if (transitionResult === 'gated') {
         qs('#my-work-action-status').textContent = closing.key + ' closed. Choose the next ready Today item.';
       } else if (!continuingSession) {
-        qs('#my-work-action-status').textContent = closing.key + ' closed.';
+        qs('#my-work-action-status').textContent = closing.key + (withdrawing ? ' withdrawn.' : ' closed.');
       }
     } catch (error) {
       qs('#issue-sheet-status').textContent = error.message + ' The issue remains in My Work; retry.';

frontend/issue-sheet.js

@@ -214,7 +214,8 @@ function createIssueSheet({ fetchJson, storage, createConversationPager = global
     },
     close(item) {
       if (closeRequest) return closeRequest;
-      closeRequest = fetchJson(issuePath(item) + '/close', {
+      const access = item?.is_filed && !item?.is_assigned ? '?access=filed' : '';
+      closeRequest = fetchJson(issuePath(item) + '/close' + access, {
         method: 'PATCH',
         headers: { Accept: 'application/json' },
       }).then(result => {

src/frontend_bundle.py

@@ -36,7 +36,7 @@ FEATURE_SOURCES = {
         "static/draft-filing-session.js", "static/draft-capacity-dialog.js", "static/work-selection.js",
         "static/today-work.js", "static/pick-work.js", "static/batch-find-work.js",
         "static/search-batch-plan.js", "static/issue-evidence-review.js", "static/issue-evidence-editor.js",
-        "static/issue-attachment.js", "static/issue-filing-review.js", "static/issue-filing-receipt.js",
+        "static/issue-attachment.js", "static/issue-sheet.js", "static/issue-filing-review.js", "static/issue-filing-receipt.js",
     ),
 }
 CACHE_DECLARATION = re.compile(

src/gitea_proxy.py

@@ -1253,13 +1253,16 @@ async def close_issue(repository: str, number: int) -> dict:
     issue = response.json()
     if not isinstance(issue, dict) or issue.get("state") != "closed":
         raise ValueError("Gitea did not confirm issue closure")
-    return {
+    result = {
         "number": issue.get("number"),
         "state": "closed",
         "closed_at": issue.get("closed_at", "")
         if isinstance(issue.get("closed_at"), str)
         else "",
     }
+    if isinstance(issue.get("updated_at"), str):
+        result["updated_at"] = issue["updated_at"]
+    return result
 
 
 def _normalize_issue_comment(comment: dict) -> dict:
@@ -2423,6 +2426,18 @@ async def is_authored_issue(repository: str, number: int) -> bool:
     )
 
 
+async def is_open_authored_issue(repository: str, number: int) -> bool:
+    login, issue = await _current_login_and_target(
+        f"repos/{repository}/issues/{number}"
+    )
+    author = issue.get("user") if isinstance(issue.get("user"), dict) else {}
+    return (
+        issue.get("state") == "open"
+        and not isinstance(issue.get("pull_request"), dict)
+        and author.get("login") == login
+    )
+
+
 async def pull_requests() -> WorkItems:
     assigned, review_requested = await asyncio.gather(
         work_page("pull"),

src/main.py

@@ -5296,6 +5296,7 @@ async def close_assigned_issue(
     owner: str,
     repo: str,
     number: int = PathParam(gt=0),
+    access: Literal["assigned", "filed"] = "assigned",
     step_up_grant: str | None = Header(
         default=None, alias="X-Step-Up-Grant", max_length=128
     ),
@@ -5310,12 +5311,21 @@ async def close_assigned_issue(
 
     target = f"{repository}#{number}"
     try:
-        assigned = await asyncio.wait_for(
-            gitea_proxy.is_assigned_issue(repository, number),
+        authorized = await asyncio.wait_for(
+            (
+                gitea_proxy.is_open_authored_issue(repository, number)
+                if access == "filed"
+                else gitea_proxy.is_assigned_issue(repository, number)
+            ),
             timeout=ISSUE_ACTION_TIMEOUT_SECONDS,
         )
-        if not assigned:
-            raise HTTPException(status_code=404, detail="Assigned issue not found")
+        if not authorized:
+            detail = (
+                "Open authored issue not found"
+                if access == "filed"
+                else "Assigned issue not found"
+            )
+            raise HTTPException(status_code=404, detail=detail)
         journal = _security_event_store()
         operation_id = await asyncio.to_thread(
             journal.reserve,

tests/test_issue_api.py

@@ -2245,6 +2245,60 @@ async def test_issue_close_endpoint_mutates_assigned_issue_only_after_confirmati
     assert calls == [("stackchain/api", 7)]
 
 
+@pytest.mark.anyio
+async def test_issue_close_endpoint_withdraws_only_open_authored_filed_issue(monkeypatch):
+    checks = []
+    calls = []
+
+    async def authored(repository, number):
+        checks.append((repository, number))
+        return True
+
+    async def close(repository, number):
+        calls.append((repository, number))
+        return {
+            "number": number,
+            "state": "closed",
+            "updated_at": "2026-08-15T10:00:00Z",
+        }
+
+    monkeypatch.setattr(main.gitea_proxy, "is_open_authored_issue", authored)
+    monkeypatch.setattr(main.gitea_proxy, "close_issue", close)
+    transport = httpx.ASGITransport(app=main.app)
+    async with httpx.AsyncClient(transport=transport, base_url="http://test") as client:
+        response = await client.patch(
+            "/api/v1/repos/stackchain/api/issues/7/close?access=filed"
+        )
+
+    assert response.status_code == 200
+    assert response.json()["state"] == "closed"
+    assert checks == [("stackchain/api", 7)]
+    assert calls == [("stackchain/api", 7)]
+
+
+@pytest.mark.anyio
+async def test_issue_close_endpoint_does_not_withdraw_non_authored_or_closed_filed_issue(monkeypatch):
+    close_calls = []
+
+    async def authored(_repository, _number):
+        return False
+
+    async def close(repository, number):
+        close_calls.append((repository, number))
+        return {"number": number, "state": "closed"}
+
+    monkeypatch.setattr(main.gitea_proxy, "is_open_authored_issue", authored)
+    monkeypatch.setattr(main.gitea_proxy, "close_issue", close)
+    transport = httpx.ASGITransport(app=main.app)
+    async with httpx.AsyncClient(transport=transport, base_url="http://test") as client:
+        response = await client.patch(
+            "/api/v1/repos/stackchain/api/issues/7/close?access=filed"
+        )
+
+    assert response.status_code == 404
+    assert close_calls == []
+
+
 @pytest.mark.anyio
 async def test_gitea_close_issue_patches_state_and_confirms_closed_response():
     requests = []

tests/test_my_work.py

@@ -1557,7 +1557,7 @@ async def test_dashboard_opens_delegated_filings_with_follow_up_only_capabilitie
     assert "#issue-sheet.read-only #issue-planning" in html
     assert "#issue-sheet.read-only #issue-handoff" in html
     assert "#issue-sheet.read-only #release-issue" in html
-    assert "#issue-sheet.read-only #close-issue" in html
+    assert "qs('#close-issue').hidden = readOnly && !withdrawable" in html
     assert "#issue-sheet.read-only .detail-defer" in html
     assert "if (readOnly) paintIssueConversation(issueConversation.snapshot(), null);" in html
     assert "if (readOnly) qs('#load-older-issue-comments').hidden = true;" not in html
@@ -1834,6 +1834,57 @@ Promise.all([
     ]
 
 
+def test_issue_sheet_withdraws_filed_item_through_author_access_as_single_flight():
+    script = f"""
+const createIssueSheet = require({json.dumps(str(ISSUE_SHEET))});
+const calls = [];
+let finish;
+const controller = createIssueSheet({{
+  fetchJson: (url, options={{}}) => {{
+    calls.push({{url, method:options.method}});
+    return new Promise(resolve => {{ finish = resolve; }});
+  }},
+  storage:null,
+}});
+const filed = {{kind:'filed',repository:'stackchain/api',number:18,is_filed:true,is_assigned:false}};
+const first = controller.close(filed);
+const duplicate = controller.close(filed);
+finish({{number:18,state:'closed',updated_at:'2026-08-15T10:00:00Z'}});
+Promise.all([first, duplicate]).then(results => process.stdout.write(JSON.stringify({{
+  calls, same:first === duplicate, state:results[0].state
+}})));
+"""
+    result = subprocess.run(
+        ["node", "-e", script], check=True, capture_output=True, text=True
+    )
+    assert json.loads(result.stdout) == {
+        "calls": [{
+            "url": "api/v1/repos/stackchain/api/issues/18/close?access=filed",
+            "method": "PATCH",
+        }],
+        "same": True,
+        "state": "closed",
+    }
+
+
+@pytest.mark.anyio
+async def test_mobile_filed_detail_exposes_only_a_withdrawal_action_for_open_delegated_issue():
+    source = await dashboard()
+    css = (ISSUE_SHEET.parent / "dashboard.css").read_text()
+
+    assert "const withdrawable = item.is_filed && !item.is_assigned && !item.is_completed && item.state === 'open';" in source
+    assert "qs('#close-issue').hidden = readOnly && !withdrawable" in source
+    assert "withdrawable ? 'Withdraw issue'" in source
+    close_handler = source.split("qs('#close-issue').addEventListener('click'", 1)[1].split(
+        "qs('#close-pull-sheet').addEventListener", 1
+    )[0]
+    assert "Withdraw " in close_handler
+    assert "closes the delegated request" in close_handler
+    assert "is_completed:true" in close_handler
+    assert "#issue-sheet.read-only #issue-planning" in css
+    assert ".issue-sheet-actions button" in css and "min-height:44px" in css
+
+
 def test_issue_sheet_uses_author_access_for_filed_conversation_and_follow_up():
     script = f"""
 const createIssueSheet = require({json.dumps(str(ISSUE_SHEET))});
@@ -3965,7 +4016,7 @@ async def test_closing_issue_advances_active_session_once_and_exposes_close_and_
     assert close_handler.index("await issueController.close(selectedIssue)") < close_handler.index(
         "await runTodayTransition('complete')"
     )
-    assert close_handler.index("lastMyWork = lastMyWork.filter") < close_handler.index(
+    assert close_handler.index("lastMyWork.filter") < close_handler.index(
         "await runTodayTransition('complete')"
     )
 
@@ -6905,9 +6956,10 @@ async def test_assigned_issues_open_accessible_mobile_action_sheet_with_safe_mut
     assert '<script src="static/issue-sheet.js"></script>' in html
     assert "issueController.load(item)" in html
     assert "issueController.comment(selectedIssue" in html
-    assert "window.confirm('Close ' + selectedIssue.key + '?')" in html
+    assert "'Close ' + selectedIssue.key + '?'" in html
+    assert "window.confirm(confirmation)" in html
     assert "issueController.close(selectedIssue)" in html
-    assert "lastMyWork = lastMyWork.filter" in html
+    assert "lastMyWork.filter" in html
     assert "if (issueTrigger?.isConnected) issueTrigger.focus()" in html
     assert "e.key === 'Escape' && selectedIssue" in html
 

tests/test_work_route_resolver.py

@@ -202,6 +202,33 @@ async def test_completed_filed_issue_remains_authorized_for_detail_and_reply():
     assert authorized is True
 
 
+@pytest.mark.anyio
+@pytest.mark.parametrize(
+    ("state", "author", "authorized"),
+    [("open", "timmy", True), ("closed", "timmy", False), ("open", "alex", False)],
+)
+async def test_only_open_authored_issues_are_authorized_for_withdrawal(
+    state, author, authorized
+):
+    async def upstream(request):
+        if request.url.path.endswith("/user"):
+            return httpx.Response(200, json={"login": "timmy"})
+        return httpx.Response(200, json={
+            "state": state,
+            "user": {"login": author},
+        })
+
+    gitea_proxy.start_client(transport=httpx.MockTransport(upstream))
+    try:
+        result = await gitea_proxy.is_open_authored_issue(
+            "stackchain/dashboard", 89
+        )
+    finally:
+        await gitea_proxy.stop_client()
+
+    assert result is authorized
+
+
 @pytest.mark.anyio
 async def test_resolve_work_route_rejects_a_notification_that_is_already_read():
     async def upstream(request):