feat: continue assigned approvals into merge (#240)

frontend/index.html

@@ -113,6 +113,9 @@ textarea { resize: vertical; min-height: 120px; }
 .review-handoff button { min-height:44px; }
 .review-handoff-link { min-height:44px; display:flex; align-items:center; justify-content:center; border:1px solid #60a5fa; border-radius:8px; color:#bfdbfe; font-weight:700; text-decoration:none; }
 .review-handoff-link[hidden] { display:none; }
+.review-merge-continuation { position:sticky; bottom:0; z-index:5; padding:10px 4px; padding-bottom:calc(10px + env(safe-area-inset-bottom)); background:rgba(11,21,38,.98); }
+#continue-review-to-merge { min-height:44px; width:100%; }
+#continue-review-to-merge[hidden] { display:none; }
 .review-copy-fallback { min-height:140px; }
 .review-progress-actions { position:sticky; bottom:0; z-index:2; display:flex; align-items:center; justify-content:space-between; gap:10px; margin:8px -4px 0; padding:10px 4px; background:rgba(11,21,38,.96); border-top:1px solid #2a496e; }
 .review-progress-actions button { min-height:44px; max-width:100%; }
@@ -707,6 +710,9 @@ textarea { resize: vertical; min-height: 120px; }
         <textarea class="review-copy-fallback" id="review-copy-fallback" readonly hidden aria-label="Feedback to copy manually"></textarea>
         <a class="review-handoff-link" id="review-handoff-link" target="_blank" rel="noopener noreferrer" hidden>Continue to Gitea</a>
       </div>
+      <div class="review-merge-continuation">
+        <button id="continue-review-to-merge" type="button" hidden>Continue to merge</button>
+      </div>
     </section>
     <h2>Review history</h2>
     <div id="review-history" class="muted"></div>
@@ -2119,6 +2125,7 @@ textarea { resize: vertical; min-height: 120px; }
     qs('#review-handoff-link').href = item.url;
     qs('#review-handoff-status').textContent = '';
     qs('#review-submit-status').textContent = '';
+    qs('#continue-review-to-merge').hidden = true;
     qs('#submit-review').disabled = true;
     closeInlineComposer();
     draft = null;
@@ -3133,12 +3140,21 @@ textarea { resize: vertical; min-height: 120px; }
     button.disabled = true;
     qs('#review-submit-status').textContent = 'Submitting review…';
     try {
+      const item = selectedReview;
+      const progressSnapshot = progress?.snapshot() || { reviewed: [] };
       const result = await reviewController.submit(selectedReview, {
         decision: snapshot.decision,
         body: createReviewController.formatFeedback(snapshot, reviewFiles),
         expected_head_sha: selectedReviewHead,
         comments: snapshot.comments,
       });
+      const canContinueToMerge = createReviewController.prepareMergeContinuation({
+        storage: localStorage,
+        item,
+        headSha: selectedReviewHead,
+        reviewed: progressSnapshot.reviewed,
+        decision: snapshot.decision,
+      });
       draft.clear();
       progress?.clear();
       qs('#review-decision').value = 'comment';
@@ -3146,15 +3162,25 @@ textarea { resize: vertical; min-height: 120px; }
       document.querySelectorAll('.review-note').forEach(note => { note.value = ''; });
       if (progress) showReviewProgress(progress.snapshot());
       qs('#review-submit-status').textContent = 'Review submitted · ' + (result.state || 'complete') + '.';
+      if (canContinueToMerge) {
+        qs('#continue-review-to-merge').hidden = false;
+        qs('#continue-review-to-merge').focus();
+      } else {
         await load();
         if (workSession.active()) workSession.complete();
         else button.focus();
+      }
     } catch (error) {
       qs('#review-submit-status').textContent = error.message + ' Your draft is safe; retry or open in Gitea.';
       button.disabled = false;
       button.focus();
     }
   });
+  qs('#continue-review-to-merge').addEventListener('click', () => {
+    const item = selectedReview;
+    if (!item) return;
+    workRoute.open({ ...item, kind:'pull', is_review:false }, { replace:true });
+  });
   qs('#copy-review-feedback').addEventListener('click', async () => {
     if (!draft || !selectedReview || reviewHandoffPending) return;
     reviewHandoffPending = true;

frontend/review-sheet.js

@@ -309,6 +309,18 @@ async function copyAndContinue({ text, url, copy, open, fallback }) {
   return { copied: true, opened: true };
 }
 
+function prepareMergeContinuation({ storage, item, headSha, reviewed, decision }) {
+  const reasons = Array.isArray(item?.work_reasons) ? item.work_reasons : [];
+  if (decision !== 'approve' || !reasons.includes('assigned_to_me') || !headSha) return false;
+  const filenames = Array.isArray(reviewed)
+    ? reviewed.filter(filename => typeof filename === 'string' && filename)
+    : [];
+  const key = 'stackchain.pull-review.v1:' + item.repository + '#' + item.number + ':' + headSha;
+  try { storage?.setItem(key, JSON.stringify(filenames)); }
+  catch (_error) { return false; }
+  return true;
+}
+
 createReviewController.renderDiffFile = renderDiffFile;
 createReviewController.parseDiffLines = parseDiffLines;
 createReviewController.toggleDiff = toggleDiff;
@@ -316,6 +328,7 @@ createReviewController.createProgress = createProgress;
 createReviewController.createDraft = createDraft;
 createReviewController.formatFeedback = formatFeedback;
 createReviewController.copyAndContinue = copyAndContinue;
+createReviewController.prepareMergeContinuation = prepareMergeContinuation;
 
 if (typeof module !== 'undefined' && module.exports) {
   module.exports = createReviewController;

frontend/service-worker.js

@@ -1,4 +1,4 @@
-const CACHE = 'stackchain-dashboard-shell-v8';
+const CACHE = 'stackchain-dashboard-shell-v9';
 const OUTAGE_STATUSES = new Set([500, 502, 503, 504]);
 const BASE = new URL('./', self.location.href).pathname;
 const SHELL = [

tests/test_my_work.py

@@ -3106,6 +3106,63 @@ process.stdout.write(JSON.stringify({{removed, draft:draft.snapshot(), progress:
     assert payload["progress"]["reviewedCount"] == 0
 
 
+def test_approved_assigned_review_carries_exact_head_progress_into_merge():
+    script = f"""
+const reviewSheet = require({json.dumps(str(REVIEW_SHEET))});
+const values = new Map();
+const storage = {{
+  getItem: key => values.get(key) || null,
+  setItem: (key, value) => values.set(key, value),
+}};
+const assigned = {{
+  repository:'stackchain/api', number:7,
+  work_reasons:['assigned_to_me', 'review_requested']
+}};
+const carried = reviewSheet.prepareMergeContinuation({{
+  storage, item:assigned, headSha:'abc123',
+  reviewed:['a.py', 'b.py'], decision:'approve'
+}});
+const unassigned = reviewSheet.prepareMergeContinuation({{
+  storage, item:{{...assigned, number:8, work_reasons:['review_requested']}},
+  headSha:'def456', reviewed:['c.py'], decision:'approve'
+}});
+const changesRequested = reviewSheet.prepareMergeContinuation({{
+  storage, item:{{...assigned, number:9}}, headSha:'ghi789',
+  reviewed:['d.py'], decision:'request_changes'
+}});
+process.stdout.write(JSON.stringify({{carried, unassigned, changesRequested, entries:[...values.entries()]}}));
+"""
+    result = subprocess.run(
+        ["node", "-e", script], check=True, capture_output=True, text=True
+    )
+
+    assert json.loads(result.stdout) == {
+        "carried": True,
+        "unassigned": False,
+        "changesRequested": False,
+        "entries": [[
+            "stackchain.pull-review.v1:stackchain/api#7:abc123",
+            '["a.py","b.py"]',
+        ]],
+    }
+
+
+@pytest.mark.anyio
+async def test_successful_assigned_approval_continues_to_merge_in_place():
+    html = await dashboard()
+
+    assert 'id="continue-review-to-merge"' in html
+    assert '#continue-review-to-merge[hidden]' in html and 'display:none' in html
+    assert '.review-merge-continuation' in html and 'position:sticky' in html
+    assert '#continue-review-to-merge { min-height:44px;' in html
+    assert "createReviewController.prepareMergeContinuation" in html
+    assert "reviewed: progressSnapshot.reviewed" in html
+    assert "decision: snapshot.decision" in html
+    assert "workRoute.open({ ...item, kind:'pull', is_review:false }, { replace:true })" in html
+    assert "qs('#continue-review-to-merge').hidden = false" in html
+    assert "qs('#continue-review-to-merge').focus()" in html
+
+
 @pytest.mark.anyio
 async def test_mobile_review_failure_offers_an_in_place_retry_for_the_same_item():
     html = await dashboard()

tests/test_service_worker.py

@@ -63,10 +63,10 @@ async function dispatch(name, request) {{
     return json.loads(completed.stdout)
 
 
-def test_identity_bound_outbox_scripts_ship_in_a_new_shell_cache():
+def test_review_to_merge_flow_ships_in_a_new_shell_cache():
     source = WORKER.read_text()
 
-    assert "stackchain-dashboard-shell-v8" in source
+    assert "stackchain-dashboard-shell-v9" in source
 
 
 def test_install_precaches_complete_subpath_scoped_app_shell():