feat: hand off assigned pull requests (Closes #567)

frontend/dashboard.css

@@ -356,10 +356,11 @@ textarea { resize: vertical; min-height: 120px; }
 .issue-sheet-actions { position:sticky; bottom:0; z-index:3; display:grid; gap:8px; margin-top:14px; padding:10px 4px; padding-bottom:calc(10px + env(safe-area-inset-bottom)); background:rgba(11,21,38,.98); border-top:1px solid #2a496e; }
 .issue-sheet-actions button, .issue-sheet-actions a { min-height:44px; display:flex; align-items:center; justify-content:center; }
 .issue-sheet-actions a { border:1px solid #60a5fa; border-radius:10px; font-weight:700; }
-.issue-handoff { margin-top:14px; padding:12px; border:1px solid #2a496e; border-radius:12px; }
-.issue-handoff > div { display:grid; gap:8px; margin-top:10px; }
-.issue-handoff select { width:100%; max-width:100%; padding:8px; border:1px solid #1f3a5f; border-radius:8px; background:#0b1526; color:var(--text); }
+.issue-handoff, .pull-ownership { margin-top:14px; padding:12px; border:1px solid #2a496e; border-radius:12px; }
+.issue-handoff > div, .pull-ownership > div { display:grid; gap:8px; margin-top:10px; }
+.issue-handoff select, .pull-ownership select { width:100%; max-width:100%; padding:8px; border:1px solid #1f3a5f; border-radius:8px; background:#0b1526; color:var(--text); }
 .issue-handoff select, .issue-handoff button { min-height:44px; }
+.pull-ownership select, .pull-ownership button { min-height:44px; }
 .issue-retry { min-height:44px; width:100%; margin-top:10px; }
 .new-issue { min-height:44px; }
 .find-work-action { min-height:44px; }

frontend/dashboard.js

@@ -448,7 +448,17 @@
     return await pullWorkflowFeatures.run('pull-workflow', {
       trigger, status: qs('#my-work-action-status'), retryLabel:'Tap the work card to retry.',
     }, () => {
-      if (!pullController) pullController = createPullSheet({ fetchJson: fetchReviewJson, storage: localStorage });
+      if (!pullController) {
+        pullController = createPullSheet({ fetchJson: fetchReviewJson, storage: localStorage });
+        createPullSheet.bindOwnershipControls(document, pullController, () => selectedPull, async item => {
+          const continuing = workSession.checkpointed(item);
+          lastContextSnapshot = createPullSheet.removeFromSnapshot(lastContextSnapshot, item);
+          closePullSheet();
+          if (continuing) return await completeOwnershipExitToday(item);
+          paintMyWork(lastContextSnapshot);
+          return false;
+        });
+      }
       if (!reviewController) reviewController = createReviewController({ fetchJson: fetchReviewJson, storage: localStorage });
       if (!wrapPreference) {
         wrapPreference = createReviewController.createWrapPreference({
@@ -1700,9 +1710,9 @@
       '#issue-handoff-recipient', '#confirm-issue-handoff', '#issue-due-date',
       '#save-issue-labels', '#save-issue-due-date', '#clear-issue-due-date',
       '#issue-milestone', '#save-issue-milestone', '#load-older-issue-comments',
-    ] : [
+    ] : createPullSheet.ownershipSelectors().concat([
       '#merge-pull', '#pull-review-retry', '#next-unreviewed-pull-file', '#load-older-pull-comments',
-    ];
+    ]);
     selectors.forEach(selector => {
       const control = qs(selector);
       if (control) control.disabled = true;
@@ -1712,6 +1722,7 @@
       qs('#issue-handoff').inert = true;
     } else {
       qs('#pull-review').inert = true;
+      qs('#pull-ownership').inert = true;
     }
   }
 
@@ -2594,21 +2605,6 @@
     qs('#pull-review-status').textContent = 'Checks refreshed for the current head.';
   }
 
-  function focusNextUnreviewedPullFile() {
-    if (!selectedPullDetail || !pullReviewState) return;
-    const filename = pullController.nextUnreviewed(selectedPullDetail, pullReviewState);
-    const article = Array.from(qs('#pull-files').querySelectorAll('.pull-file'))
-      .find(file => file.dataset.pullFilename === filename);
-    const toggle = article?.querySelector('.pull-file-toggle');
-    const panel = toggle && document.getElementById(toggle.getAttribute('aria-controls'));
-    if (toggle && panel) {
-      toggle.setAttribute('aria-expanded', 'true');
-      panel.hidden = false;
-      toggle.scrollIntoView({ block: 'center', behavior: 'smooth' });
-      toggle.focus();
-    }
-  }
-
   async function loadPullReview({ refresh = false } = {}) {
     if (!selectedPull || !selectedPullDetail?.head_sha) return;
     const item = selectedPull;
@@ -2633,16 +2629,12 @@
     }
   }
 
-  function sameWorkTarget(left, right) {
-    return Boolean(left && right && left.repository === right.repository &&
-      Number(left.number) === Number(right.number));
-  }
-
   async function openPullSheet(item, trigger, offlineDetail = null) {
     if (!item) return;
     if (!await ensurePullWorkflow(trigger)) return;
-    if (!sameWorkTarget(selectedPull, item)) pullAttachmentController.clear();
+    if (!createPullSheet.sameTarget(selectedPull, item)) pullAttachmentController.clear();
     qs('#pull-review').inert = false;
+    qs('#pull-ownership').inert = false;
     selectedPull = item;
     pullMentions.dismiss();
     pullTrigger = trigger;
@@ -2672,6 +2664,7 @@
     qs('#pull-merge-state').textContent = 'Review data not loaded';
     qs('#merge-pull').disabled = true;
     qs('#merge-pull').textContent = workSession.active() ? 'Merge & next' : 'Merge';
+    createPullSheet.resetOwnershipControls(document, item, candidate => workSession.checkpointed(candidate));
     qs('#retry-pull-load').hidden = true;
     qs('#open-pull-gitea').href = item.url || '#';
     setCommentNextVisibility('pull');
@@ -4571,7 +4564,9 @@
       if (selectedPull === item) qs('#pull-checks-summary').textContent = 'Refresh failed · retry';
     } finally { button.disabled = false; }
   });
-  qs('#next-unreviewed-pull-file').addEventListener('click', focusNextUnreviewedPullFile);
+  qs('#next-unreviewed-pull-file').addEventListener('click', () => {
+    createPullSheet.focusNextUnreviewed(document, selectedPullDetail, pullReviewState, pullController);
+  });
   qs('#load-older-pull-comments').addEventListener('click', async () => {
     if (!pullConversation) return;
     const button = qs('#load-older-pull-comments');

frontend/index.html

@@ -655,8 +655,19 @@
       <div id="pull-files"></div>
       <button id="merge-pull" type="button" disabled>Merge</button>
     </details>
+    <details class="pull-ownership" id="pull-ownership">
+      <summary>Ownership</summary>
+      <div>
+        <button id="load-pull-handoff" type="button">Choose teammate</button>
+        <label for="pull-handoff-recipient" class="small">Eligible repository assignee</label>
+        <select id="pull-handoff-recipient" disabled><option value="">Select a teammate</option></select>
+        <button id="confirm-pull-handoff" type="button" disabled>Confirm handoff</button>
+        <div id="pull-handoff-status" class="small" aria-live="assertive">Load teammates to transfer ownership.</div>
+      </div>
+    </details>
     <div class="pull-sheet-actions">
       <button class="share-work-route" type="button">Share</button>
+      <button id="release-pull" type="button">Release assignment</button>
       <a id="open-pull-gitea" href="#" target="_blank" rel="noopener noreferrer">Open in Gitea</a>
       <details class="detail-defer"><summary>Defer</summary><div class="detail-defer-options"><button type="button" data-detail-defer-preset="today" disabled data-planning-disabled>Later today</button><button type="button" data-detail-defer-preset="tomorrow" disabled data-planning-disabled>Tomorrow</button><button type="button" data-detail-defer-custom disabled data-planning-disabled>Choose date &amp; time</button><button type="button" data-detail-defer-cancel>Cancel</button></div></details>
     </div>

frontend/pull-sheet.js

@@ -41,10 +41,137 @@ function renderFile(file, index, reviewed, escapeHtml) {
     '" aria-pressed="' + String(reviewed) + '">' + (reviewed ? 'Reviewed' : 'Mark reviewed') + '</button></article>';
 }
 
+function focusNextUnreviewed(doc, detail, state, controller) {
+  if (!detail || !state) return;
+  const filename = controller.nextUnreviewed(detail, state);
+  const article = Array.from(doc.querySelectorAll('#pull-files .pull-file'))
+    .find(file => file.dataset.pullFilename === filename);
+  const toggle = article?.querySelector('.pull-file-toggle');
+  const panel = toggle && doc.getElementById(toggle.getAttribute('aria-controls'));
+  if (!toggle || !panel) return;
+  toggle.setAttribute('aria-expanded', 'true');
+  panel.hidden = false;
+  toggle.scrollIntoView({ block: 'center', behavior: 'smooth' });
+  toggle.focus();
+}
+
+function removeFromSnapshot(data, item) {
+  return { ...data, pulls:(data.pulls || []).filter(candidate =>
+    candidate.repository !== item.repository || candidate.number !== item.number) };
+}
+
+function sameTarget(left, right) {
+  return Boolean(left && right && left.repository === right.repository && Number(left.number) === Number(right.number));
+}
+
+function ownershipSelectors() {
+  return ['#release-pull', '#load-pull-handoff', '#pull-handoff-recipient', '#confirm-pull-handoff'];
+}
+
+function renderHandoffCandidates(select, candidates, doc) {
+  select.textContent = '';
+  const placeholder = doc.createElement('option');
+  placeholder.value = '';
+  placeholder.textContent = candidates.length ? 'Select a teammate' : 'No eligible teammates';
+  select.appendChild(placeholder);
+  candidates.forEach(candidate => {
+    const option = doc.createElement('option');
+    option.value = candidate.login;
+    option.textContent = candidate.name + (candidate.name === candidate.login ? '' : ' (@' + candidate.login + ')');
+    select.appendChild(option);
+  });
+  return candidates.length;
+}
+
+function ownershipExitMessage(item, action, transitionResult) {
+  return item.key + ' ' + action + (transitionResult === 'opened' ?
+    '. Next work item opened.' : '. Choose the next ready Today item.');
+}
+
+function resetOwnershipControls(doc, item, checkpointed) {
+  const qs = selector => doc.querySelector(selector);
+  qs('#pull-ownership').open = false;
+  qs('#pull-handoff-recipient').innerHTML = '<option value="">Select a teammate</option>';
+  qs('#pull-handoff-recipient').disabled = true;
+  qs('#confirm-pull-handoff').disabled = true;
+  qs('#confirm-pull-handoff').textContent = checkpointed(item) ? 'Hand off & next' : 'Confirm handoff';
+  qs('#load-pull-handoff').disabled = false;
+  qs('#release-pull').disabled = false;
+  qs('#release-pull').textContent = checkpointed(item) ? 'Release & next' : 'Release assignment';
+  qs('#pull-handoff-status').textContent = 'Load teammates to transfer ownership.';
+}
+
+function bindOwnershipControls(doc, controller, getSelected, finish) {
+  const qs = selector => doc.querySelector(selector);
+  const load = qs('#load-pull-handoff');
+  if (load.dataset.ownershipBound === 'true') return;
+  load.dataset.ownershipBound = 'true';
+  load.addEventListener('click', async () => {
+    const selected = getSelected();
+    if (!selected) return;
+    const select = qs('#pull-handoff-recipient');
+    load.disabled = true;
+    qs('#pull-handoff-status').textContent = 'Loading eligible teammates…';
+    try {
+      const count = renderHandoffCandidates(select, await controller.loadHandoffCandidates(selected), doc);
+      select.disabled = !count;
+      qs('#confirm-pull-handoff').disabled = true;
+      qs('#pull-handoff-status').textContent = count ?
+        'Choose who should own this pull request next.' : 'No other eligible assignees were found.';
+      if (count) select.focus();
+    } catch (error) {
+      qs('#pull-handoff-status').textContent = error.message + ' Retry loading teammates.';
+      load.disabled = false;
+      load.focus();
+    }
+  });
+  qs('#pull-handoff-recipient').addEventListener('change', event => {
+    qs('#confirm-pull-handoff').disabled = !event.target.value;
+  });
+  qs('#confirm-pull-handoff').addEventListener('click', async () => {
+    const selected = getSelected();
+    const recipient = qs('#pull-handoff-recipient').value;
+    if (!selected || !recipient || !globalThis.confirm('Hand off ' + selected.key + ' to @' + recipient + '?')) return;
+    const button = qs('#confirm-pull-handoff');
+    button.disabled = true;
+    qs('#pull-handoff-status').textContent = 'Confirming handoff…';
+    try {
+      await controller.handoff(selected, recipient);
+      const transition = await finish(selected);
+      qs('#my-work-action-status').textContent = transition === false ?
+        selected.key + ' handed off to @' + recipient + '.' :
+        ownershipExitMessage(selected, 'handed off to @' + recipient, transition);
+    } catch (error) {
+      qs('#pull-handoff-status').textContent = error.message + ' The pull request remains in My Work; retry.';
+      button.disabled = false;
+      button.focus();
+    }
+  });
+  qs('#release-pull').addEventListener('click', async () => {
+    const selected = getSelected();
+    if (!selected || !globalThis.confirm('Release ' + selected.key + ' from your My Work?')) return;
+    const button = qs('#release-pull');
+    button.disabled = true;
+    qs('#pull-sheet-status').textContent = 'Releasing assignment…';
+    try {
+      await controller.release(selected);
+      const transition = await finish(selected);
+      qs('#my-work-action-status').textContent = transition === false ?
+        selected.key + ' released.' : ownershipExitMessage(selected, 'released', transition);
+    } catch (error) {
+      qs('#pull-sheet-status').textContent = error.message + ' The pull request remains in My Work; retry.';
+      button.disabled = false;
+      button.focus();
+    }
+  });
+}
+
 function createPullSheet({ fetchJson, storage, createConversationPager = globalThis.createConversationPager, createOperationId = () => globalThis.crypto?.randomUUID?.() || String(Date.now()) + '-' + Math.random() }) {
   let commentRequest = null;
   let mergeRequest = null;
   let checkRequest = null;
+  let ownershipRequest = null;
+  let candidateRequest = null;
   const reviewRequests = new Map();
   const reviewCache = new Map();
   const pathFor = item => 'api/v1/repos/' + String(item.repository || '').split('/')
@@ -90,6 +217,29 @@ function createPullSheet({ fetchJson, storage, createConversationPager = globalT
       }).finally(() => { checkRequest = null; });
       return checkRequest;
     },
+    loadHandoffCandidates(item) {
+      if (candidateRequest) return candidateRequest;
+      candidateRequest = fetchJson(pathFor(item) + '/handoff-candidates', {
+        headers: { Accept: 'application/json' },
+      }).finally(() => { candidateRequest = null; });
+      return candidateRequest;
+    },
+    handoff(item, recipient) {
+      if (ownershipRequest) return ownershipRequest;
+      ownershipRequest = fetchJson(pathFor(item) + '/handoff', {
+        method: 'PATCH',
+        headers: { Accept: 'application/json', 'Content-Type': 'application/json' },
+        body: JSON.stringify({ recipient }),
+      }).finally(() => { ownershipRequest = null; });
+      return ownershipRequest;
+    },
+    release(item) {
+      if (ownershipRequest) return ownershipRequest;
+      ownershipRequest = fetchJson(pathFor(item) + '/release', {
+        method: 'PATCH', headers: { Accept: 'application/json' },
+      }).finally(() => { ownershipRequest = null; });
+      return ownershipRequest;
+    },
     conversation(item, initialPage) {
       const pager = createConversationPager({
         loadPage: page => fetchJson(pathFor(item) + '/comments?page=' + encodeURIComponent(page) + '&limit=20', {
@@ -165,4 +315,12 @@ function createPullSheet({ fetchJson, storage, createConversationPager = globalT
 
 createPullSheet.mergeEligibility = mergeEligibility;
 createPullSheet.renderFile = renderFile;
+createPullSheet.focusNextUnreviewed = focusNextUnreviewed;
+createPullSheet.removeFromSnapshot = removeFromSnapshot;
+createPullSheet.sameTarget = sameTarget;
+createPullSheet.ownershipSelectors = ownershipSelectors;
+createPullSheet.renderHandoffCandidates = renderHandoffCandidates;
+createPullSheet.ownershipExitMessage = ownershipExitMessage;
+createPullSheet.resetOwnershipControls = resetOwnershipControls;
+createPullSheet.bindOwnershipControls = bindOwnershipControls;
 if (typeof module !== 'undefined' && module.exports) module.exports = createPullSheet;