feat: revise delegated filings from mobile Filed (Closes #887)

frontend/dashboard.css

@@ -488,6 +488,7 @@ textarea { resize: vertical; min-height: 120px; }
 .issue-blocker-manager [role="option"] { text-align:left; overflow-wrap:anywhere; }
 #manage-issue-blockers, #start-unblocked-issue { min-height:44px; width:100%; margin-top:10px; }
 .today-readiness-blocker { width:100%; min-height:44px; text-align:left; background:#291b0c; }
+.issue-content-editor { max-width:100%; overflow-x:hidden; margin-top:16px; padding:12px; border:1px solid #2a496e; border-radius:12px; }
 .issue-planning { max-width:100%; margin-top:16px; border:1px solid #2a496e; border-radius:12px; padding:0 12px 12px; overflow-x:hidden; }
 .issue-planning > summary { min-height:44px; display:flex; align-items:center; cursor:pointer; font-weight:700; }
 .issue-planning-retry { min-height:44px; width:100%; }

frontend/dashboard.js

@@ -194,6 +194,7 @@
   let issueBlockerSearchTimer = null;
   let issueConversation = null;
   let issueTrigger = null;
+  let issueEditHistoryActive = false;
   let selectedPull = null;
   let pullTrigger = null;
   let selectedPullDetail = null;
@@ -3437,7 +3438,9 @@
       qs('#issue-sheet-status').textContent = item.is_completed ?
         'Completed Filed outcome ready · review the conversation' : readOnly ? 'Filed issue ready · follow-up enabled' :
         'Issue ready · ' + (detail.state || 'open');
-      qs('#edit-issue-content').disabled = false;
+      const revisableFiling = item.is_filed && !item.is_completed && detail.state === 'open';
+      qs('#edit-issue-content').textContent = revisableFiling ? 'Revise filing' : 'Edit issue';
+      qs('#edit-issue-content').disabled = readOnly && !revisableFiling;
       const dueDraft = issueController.loadDueDateDraft(item);
       qs('#issue-due-date').value = String(dueDraft || detail.due_date || '').slice(0, 10);
       qs('#issue-due-date').disabled = false;
@@ -3462,6 +3465,10 @@
   }
 
   function closeIssueSheet(navigate = true) {
+    if (navigate && issueEditHistoryActive) {
+      history.back();
+      return;
+    }
     if (navigate && createWorkRoute.parse(window.location.hash)) {
       workRoute.close();
       return;
@@ -3476,6 +3483,14 @@
     if (issueTrigger?.isConnected) issueTrigger.focus();
   }
 
+  function closeIssueEditorFromHistory() {
+    if (!issueEditHistoryActive) return;
+    issueEditHistoryActive = false;
+    qs('#issue-edit-form').hidden = true;
+    if (selectedIssue) qs('#edit-issue-content').focus();
+  }
+  window.addEventListener('popstate', closeIssueEditorFromHistory);
+
   qs('#acknowledge-completed-filed').addEventListener('click', () => {
     if (!selectedIssue?.is_completed) return;
     if (!completedFiledReview.acknowledge(selectedIssue)) {
@@ -4958,6 +4973,10 @@
     }
     if (e.key === 'Escape' && selectedIssue) {
       e.preventDefault();
+      if (!qs('#issue-edit-form').hidden) {
+        history.back();
+        return;
+      }
       closeIssueSheet();
       return;
     }
@@ -5479,6 +5498,10 @@
     qs('#issue-edit-title').value = draft.title;
     qs('#issue-edit-body').value = draft.body;
     qs('#issue-edit-form').hidden = false;
+    if (!issueEditHistoryActive) {
+      history.pushState({ ...history.state, stackchainIssueEdit:true }, '', window.location.href);
+      issueEditHistoryActive = true;
+    }
     qs('#issue-edit-status').textContent = 'Edit the issue, then save.';
     qs('#issue-edit-title').focus();
   });
@@ -5493,8 +5516,11 @@
     })
   );
   qs('#cancel-issue-content').addEventListener('click', () => {
-    qs('#issue-edit-form').hidden = true;
-    qs('#edit-issue-content').focus();
+    if (issueEditHistoryActive) history.back();
+    else {
+      qs('#issue-edit-form').hidden = true;
+      qs('#edit-issue-content').focus();
+    }
   });
   qs('#issue-edit-form').addEventListener('submit', async event => {
     event.preventDefault();
@@ -5526,7 +5552,8 @@
       qs('#issue-sheet-title').textContent = confirmed.title;
       qs('#issue-sheet-body').innerHTML = renderMarkdown(confirmed.body || 'No description provided.');
       paintMyWork(lastContextSnapshot);
-      qs('#issue-edit-form').hidden = true;
+      if (issueEditHistoryActive) history.back();
+      else qs('#issue-edit-form').hidden = true;
       qs('#issue-sheet-status').textContent = 'Issue saved.';
       qs('#edit-issue-content').focus();
     } catch (error) {

frontend/index.html

@@ -645,9 +645,7 @@
       </div>
       <div id="issue-comment-status" class="small" aria-live="assertive"></div>
     </section>
-    <details class="issue-planning" id="issue-planning">
-      <summary>Plan &amp; edit</summary>
-      <button class="issue-planning-retry" id="retry-issue-planning" type="button" hidden>Retry planning controls</button>
+    <section class="issue-content-editor" aria-label="Issue content">
       <button id="edit-issue-content" type="button" disabled>Edit issue</button>
       <form class="issue-edit-form" id="issue-edit-form" hidden>
         <label for="issue-edit-title">Title
@@ -662,6 +660,10 @@
         </div>
         <div id="issue-edit-status" class="small" aria-live="assertive"></div>
       </form>
+    </section>
+    <details class="issue-planning" id="issue-planning">
+      <summary>Plan &amp; edit</summary>
+      <button class="issue-planning-retry" id="retry-issue-planning" type="button" hidden>Retry planning controls</button>
       <fieldset class="issue-label-editor" id="issue-label-editor" aria-describedby="issue-label-status">
         <legend>Labels</legend>
         <div class="issue-label-list" id="issue-label-list"></div>

frontend/issue-sheet.js

@@ -117,7 +117,8 @@ function createIssueSheet({ fetchJson, storage, createConversationPager = global
     updateContent(item, draft) {
       if (editRequest) return editRequest;
       this.saveEditDraft(item, draft);
-      editRequest = fetchJson(issuePath(item) + '/content', {
+      const access = this.readOnly(item) ? '?access=filed' : '';
+      editRequest = fetchJson(issuePath(item) + '/content' + access, {
         method: 'PATCH',
         headers: { Accept: 'application/json', 'Content-Type': 'application/json' },
         body: JSON.stringify({