frontend/dashboard.css

@@ -469,28 +469,30 @@ textarea { resize: vertical; min-height: 120px; }
 .issue-sheet-panel { width:min(560px,100%); height:100%; overflow:auto; padding:18px; background:#0b1526; border-left:1px solid #2a496e; }
 .issue-sheet-header { display:flex; align-items:center; justify-content:space-between; gap:10px; }
 .issue-sheet-header button { min-height:44px; }
-.mobile-issue-detail-nav, .mobile-pull-detail-nav, .mobile-update-detail-nav { display:none; }
+.mobile-issue-detail-nav, .mobile-pull-detail-nav, .mobile-update-detail-nav, .mobile-review-detail-nav { display:none; }
 @media (max-width:600px) {
-  .issue-sheet-panel, .pull-sheet-panel, .update-sheet-panel { padding-top:max(12px,env(safe-area-inset-top)); }
+  .issue-sheet-panel, .pull-sheet-panel, .update-sheet-panel, .review-sheet-panel { padding-top:max(12px,env(safe-area-inset-top)); }
-  .mobile-issue-detail-nav, .mobile-pull-detail-nav, .mobile-update-detail-nav {
+  .mobile-issue-detail-nav, .mobile-pull-detail-nav, .mobile-update-detail-nav, .mobile-review-detail-nav {
     position:sticky; top:env(safe-area-inset-top); z-index:6;
     display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:4px;
     margin:8px -6px 12px; padding:6px;
     background:rgba(11,21,38,.98); border-block:1px solid #2a496e;
   }
-  .mobile-issue-detail-nav button, .mobile-pull-detail-nav button, .mobile-update-detail-nav button {
+  .mobile-issue-detail-nav button, .mobile-pull-detail-nav button, .mobile-update-detail-nav button, .mobile-review-detail-nav button {
     min-width:0; min-height:44px; padding:4px; overflow-wrap:anywhere;
     border-color:transparent; font-size:12px;
   }
-  .mobile-issue-detail-nav button[aria-current="location"], .mobile-pull-detail-nav button[aria-current="location"], .mobile-update-detail-nav button[aria-current="location"] {
+  .mobile-issue-detail-nav button[aria-current="location"], .mobile-pull-detail-nav button[aria-current="location"], .mobile-update-detail-nav button[aria-current="location"], .mobile-review-detail-nav button[aria-current="location"] {
     border-color:#60a5fa; background:#17365a; color:#fff;
   }
   #issue-overview, #issue-conversation, #issue-comment, #issue-planning { scroll-margin-top:72px; }
   #pull-overview, #pull-conversation, #pull-comment, #pull-review { scroll-margin-top:72px; }
   #update-conversation, #update-subject-context, #update-reply-workspace { scroll-margin-top:72px; }
+  #review-overview, #review-files-workspace, #review-feedback, #review-history-workspace { scroll-margin-top:72px; }
 }
 @media (min-width:601px) { .mobile-issue-detail-nav, .mobile-pull-detail-nav { display:none; } }
 @media (min-width:601px) { .mobile-update-detail-nav { display:none; } }
+@media (min-width:601px) { .mobile-review-detail-nav { display:none; } }
 .completed-filed-actions { position:fixed; right:0; bottom:0; z-index:57; box-sizing:border-box; width:min(560px,100%); display:grid; grid-template-columns:minmax(0,1fr); align-items:center; gap:8px; margin:0; padding:10px 12px calc(10px + env(safe-area-inset-bottom)); border:1px solid #4ade80; border-radius:12px 0 0; background:rgba(11,21,38,.98); overflow-wrap:anywhere; }
 .completed-filed-actions[hidden] { display:none; }
 .completed-filed-actions button { min-height:44px; min-width:0; }

frontend/dashboard.js

@@ -1366,6 +1366,19 @@
     prefersReducedMotion:() => window.matchMedia('(prefers-reduced-motion: reduce)').matches,
   });
   mobileUpdateDetailNavigation.start();
+  const mobileReviewDetailNavigation = createMobileReviewDetailNavigation({
+    root:qs('#review-sheet .review-sheet-panel'),
+    buttons:Object.fromEntries(Array.from(document.querySelectorAll('[data-review-section]')).map(button => [button.dataset.reviewSection, button])),
+    targets:{
+      overview:qs('#review-overview'),
+      files:qs('#review-files-workspace'),
+      feedback:qs('#review-feedback'),
+      history:qs('#review-history-workspace'),
+    },
+    summaryComposer:qs('#review-summary'),
+    prefersReducedMotion:() => window.matchMedia('(prefers-reduced-motion: reduce)').matches,
+  });
+  mobileReviewDetailNavigation.start();
   const issueDetailPosition = createWorkDetailPosition({ panel: qs('#issue-sheet .issue-sheet-panel') });
   const pullDetailPosition = createWorkDetailPosition({ panel: qs('#pull-sheet .pull-sheet-panel') });
   const reviewDetailPosition = createWorkDetailPosition({ panel: qs('#review-sheet .review-sheet-panel') });
@@ -4748,6 +4761,7 @@
   async function openReviewSheet(item, trigger, cachedDetail = null) {
     if (!item || !await ensurePullWorkflow(trigger)) return;
     reviewDetailPosition.open(workDetailIdentity('review', item));
+    mobileReviewDetailNavigation.reset();
     selectedReview = item;
     reviewTrigger = trigger;
     offlineReview = Boolean(cachedDetail);

frontend/index.html

@@ -1330,6 +1330,13 @@
       </div>
       <button class="review-action" id="close-review-sheet">Close</button>
     </div>
+    <nav class="mobile-review-detail-nav" aria-label="Review sections">
+      <button type="button" data-review-section="overview">Overview</button>
+      <button type="button" data-review-section="files">Files</button>
+      <button type="button" data-review-section="feedback">Feedback</button>
+      <button type="button" data-review-section="history">History</button>
+    </nav>
+    <section id="review-overview">
     <div id="review-sheet-status" class="small" aria-live="polite">Choose a review request.</div>
     <button class="review-retry" id="retry-review-load" hidden>Retry loading review</button>
     <div class="review-sheet-body markdown-content" id="review-sheet-body"></div>
@@ -1339,6 +1346,8 @@
       <button class="ci-check-refresh" id="refresh-review-checks" type="button">Refresh checks</button>
       <div class="ci-check-list" id="review-check-list"></div>
     </details>
+    </section>
+    <section id="review-files-workspace">
     <h2>Changed files</h2>
     <div class="review-display-tools">
       <button id="review-wrap-lines" type="button" aria-pressed="false" aria-controls="review-files">Wrap lines</button>
@@ -1359,7 +1368,8 @@
       <span class="small" id="review-progress" aria-live="polite">0 of 0 files reviewed</span>
       <button id="next-unreviewed-review" disabled>Next unreviewed</button>
     </div>
-    <section class="review-feedback" aria-labelledby="review-feedback-title">
+    </section>
+    <section class="review-feedback" id="review-feedback" aria-labelledby="review-feedback-title">
       <h2 id="review-feedback-title">Draft feedback</h2>
       <label>Intended decision
         <select id="review-decision">
@@ -1383,8 +1393,10 @@
         <button id="continue-review-to-merge" type="button" hidden>Continue to merge</button>
       </div>
     </section>
+    <section id="review-history-workspace">
     <h2>Review history</h2>
     <div id="review-history" class="muted"></div>
+    </section>
     <div class="review-sheet-actions"><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>
     <nav class="work-session-nav" aria-label="Work session" hidden>
       <span class="small" aria-live="polite" data-work-session-progress></span>
@@ -1558,6 +1570,7 @@
 <script src="static/issue-filing-receipt.js"></script>
 <script src="static/mobile-issue-detail-nav.js"></script>
 <script src="static/mobile-update-detail-nav.js"></script>
+<script src="static/mobile-review-detail-nav.js"></script>
 <script src="static/dashboard.js"></script>
 </body>
 </html>

frontend/mobile-review-detail-nav.js

@@ -0,0 +1,76 @@
+function createMobileReviewDetailNavigation(options) {
+  const buttons = options.buttons || {};
+  const targets = options.targets || {};
+  const listeners = new Map();
+  const prefersReducedMotion = options.prefersReducedMotion || (() => false);
+  const targetNames = new Map(Object.entries(targets).map(([name, target]) => [target, name]));
+  let observer = null;
+
+  function select(name) {
+    Object.entries(buttons).forEach(([key, button]) => {
+      if (!button) return;
+      if (key === name) button.setAttribute('aria-current', 'location');
+      else button.removeAttribute('aria-current');
+    });
+  }
+
+  function navigate(name) {
+    const target = targets[name];
+    if (!target) return false;
+    target.scrollIntoView({
+      block:'start',
+      behavior:prefersReducedMotion() ? 'auto' : 'smooth',
+    });
+    if (name === 'feedback' && options.summaryComposer) {
+      options.summaryComposer.focus({ preventScroll:true });
+    }
+    select(name);
+    return true;
+  }
+
+  function reset() {
+    select('overview');
+  }
+
+  return {
+    start() {
+      Object.entries(buttons).forEach(([name, button]) => {
+        if (!button || listeners.has(button)) return;
+        const listener = event => {
+          event.preventDefault();
+          navigate(name);
+        };
+        listeners.set(button, listener);
+        button.addEventListener('click', listener);
+      });
+      reset();
+      const observe = options.observe || ((handler, observedTargets, root) => {
+        if (typeof IntersectionObserver === 'undefined') return null;
+        const instance = new IntersectionObserver(handler, {
+          root:root || null,
+          rootMargin:'-20% 0px -60% 0px',
+          threshold:[0, 0.25, 0.5, 0.75, 1],
+        });
+        observedTargets.forEach(target => instance.observe(target));
+        return instance;
+      });
+      observer = observe(entries => {
+        const visible = entries
+          .filter(entry => entry.isIntersecting && targetNames.has(entry.target))
+          .sort((left, right) => right.intersectionRatio - left.intersectionRatio)[0];
+        if (visible) select(targetNames.get(visible.target));
+      }, Array.from(targetNames.keys()).filter(Boolean), options.root || null);
+    },
+    stop() {
+      listeners.forEach((listener, button) => button.removeEventListener('click', listener));
+      listeners.clear();
+      if (observer) observer.disconnect();
+      observer = null;
+    },
+    navigate,
+    reset,
+    select,
+  };
+}
+
+if (typeof module !== 'undefined') module.exports = createMobileReviewDetailNavigation;

frontend/service-worker.js

@@ -79,6 +79,7 @@ const SHELL = [
   BASE + 'static/issue-sheet.js',
   BASE + 'static/mobile-issue-detail-nav.js',
   BASE + 'static/mobile-update-detail-nav.js',
+  BASE + 'static/mobile-review-detail-nav.js',
   BASE + 'static/checklist-conflict.js',
   BASE + 'static/voice-transcript-store.js',
   BASE + 'static/voice-issue-capture.js',

tests/test_mobile_review_detail_navigation.py

@@ -0,0 +1,146 @@
+import json
+import subprocess
+from pathlib import Path
+
+
+FRONTEND = Path(__file__).resolve().parents[1] / "frontend"
+CONTROLLER = FRONTEND / "mobile-review-detail-nav.js"
+
+
+def test_review_navigation_moves_between_sections_and_focuses_feedback():
+    script = f"""
+const createNavigation = require({json.dumps(str(CONTROLLER))});
+class FakeElement {{
+  constructor(name) {{
+    this.name=name; this.listeners={{}}; this.attributes={{}}; this.focuses=0; this.scrolls=[];
+  }}
+  addEventListener(name, callback) {{ this.listeners[name]=callback; }}
+  removeEventListener(name) {{ delete this.listeners[name]; }}
+  setAttribute(name, value) {{ this.attributes[name]=value; }}
+  removeAttribute(name) {{ delete this.attributes[name]; }}
+  focus(options) {{ this.focuses += 1; this.focusOptions=options; }}
+  scrollIntoView(options) {{ this.scrolls.push(options); }}
+}}
+const names=['overview','files','feedback','history'];
+const buttons=Object.fromEntries(names.map(name => [name,new FakeElement(name)]));
+const targets=Object.fromEntries(names.map(name => [name,new FakeElement(name)]));
+const summaryComposer=new FakeElement('summary');
+const navigation=createNavigation({{
+  buttons, targets, summaryComposer,
+  prefersReducedMotion:() => true,
+}});
+navigation.start();
+navigation.navigate('files');
+navigation.navigate('feedback');
+const currentAfterFeedback=Object.fromEntries(Object.entries(buttons).map(([name,button]) => [name,button.attributes['aria-current'] || null]));
+navigation.reset();
+const currentAfterReset=Object.fromEntries(Object.entries(buttons).map(([name,button]) => [name,button.attributes['aria-current'] || null]));
+navigation.stop();
+process.stdout.write(JSON.stringify({{
+  files:targets.files.scrolls,
+  feedback:targets.feedback.scrolls,
+  feedbackFocuses:summaryComposer.focuses,
+  focusOptions:summaryComposer.focusOptions,
+  currentAfterFeedback,
+  currentAfterReset,
+  listenersAfterStop:Object.values(buttons).map(button => Object.keys(button.listeners).length),
+}}));
+"""
+    result = subprocess.run(["node", "-e", script], capture_output=True, text=True)
+
+    assert result.returncode == 0, result.stderr
+    assert json.loads(result.stdout) == {
+        "files": [{"block": "start", "behavior": "auto"}],
+        "feedback": [{"block": "start", "behavior": "auto"}],
+        "feedbackFocuses": 1,
+        "focusOptions": {"preventScroll": True},
+        "currentAfterFeedback": {
+            "overview": None,
+            "files": None,
+            "feedback": "location",
+            "history": None,
+        },
+        "currentAfterReset": {
+            "overview": "location",
+            "files": None,
+            "feedback": None,
+            "history": None,
+        },
+        "listenersAfterStop": [0, 0, 0, 0],
+    }
+
+
+def test_review_navigation_tracks_the_visible_section_inside_the_review_panel():
+    script = f"""
+const createNavigation = require({json.dumps(str(CONTROLLER))});
+const makeElement=name => ({{
+  name, attributes:{{}},
+  addEventListener() {{}}, removeEventListener() {{}},
+  setAttribute(key,value) {{ this.attributes[key]=value; }},
+  removeAttribute(key) {{ delete this.attributes[key]; }},
+}});
+const buttons=Object.fromEntries(['overview','files','feedback','history'].map(name => [name,makeElement(name)]));
+const targets=Object.fromEntries(['overview','files','feedback','history'].map(name => [name,makeElement(name)]));
+let callback;
+let observedRoot=null;
+let disconnected=0;
+const panel=makeElement('panel');
+const navigation=createNavigation({{
+  buttons, targets, root:panel,
+  observe(handler, observedTargets, root) {{
+    callback=handler; observedRoot=root;
+    return {{disconnect() {{ disconnected += 1; }}}};
+  }},
+}});
+navigation.start();
+callback([
+  {{target:targets.files,isIntersecting:true,intersectionRatio:.25}},
+  {{target:targets.feedback,isIntersecting:true,intersectionRatio:.8}},
+]);
+const current=Object.fromEntries(Object.entries(buttons).map(([name,button]) => [name,button.attributes['aria-current'] || null]));
+navigation.stop();
+process.stdout.write(JSON.stringify({{current,rootMatches:observedRoot === panel,disconnected}}));
+"""
+    result = subprocess.run(["node", "-e", script], capture_output=True, text=True)
+
+    assert result.returncode == 0, result.stderr
+    assert json.loads(result.stdout) == {
+        "current": {
+            "overview": None,
+            "files": None,
+            "feedback": "location",
+            "history": None,
+        },
+        "rootMatches": True,
+        "disconnected": 1,
+    }
+
+
+def test_review_sheet_wires_a_mobile_safe_area_navigation_rail_and_offline_asset():
+    html = (FRONTEND / "index.html").read_text()
+    css = (FRONTEND / "dashboard.css").read_text()
+    dashboard_js = (FRONTEND / "dashboard.js").read_text()
+    service_worker = (FRONTEND / "service-worker.js").read_text()
+
+    assert '<nav class="mobile-review-detail-nav" aria-label="Review sections">' in html
+    for name, label in (
+        ("overview", "Overview"),
+        ("files", "Files"),
+        ("feedback", "Feedback"),
+        ("history", "History"),
+    ):
+        assert f'data-review-section="{name}"' in html
+        assert f">{label}</button>" in html
+    assert 'id="review-overview"' in html
+    assert 'id="review-files-workspace"' in html
+    assert 'id="review-feedback"' in html
+    assert 'id="review-history-workspace"' in html
+    assert '<script src="static/mobile-review-detail-nav.js"></script>' in html
+    assert "createMobileReviewDetailNavigation({" in dashboard_js
+    assert "mobileReviewDetailNavigation.reset();" in dashboard_js
+    assert ".mobile-review-detail-nav" in css
+    assert "position:sticky" in css
+    assert "min-height:44px" in css
+    assert "env(safe-area-inset-top)" in css
+    assert "@media (min-width:601px)" in css
+    assert "BASE + 'static/mobile-review-detail-nav.js'" in service_worker

tests/test_service_worker.py

@@ -1000,6 +1000,7 @@ def test_install_precaches_complete_subpath_scoped_app_shell():
         "/dashboard/static/issue-sheet.js",
         "/dashboard/static/mobile-issue-detail-nav.js",
         "/dashboard/static/mobile-update-detail-nav.js",
+        "/dashboard/static/mobile-review-detail-nav.js",
         "/dashboard/static/checklist-conflict.js",
         "/dashboard/static/voice-transcript-store.js",
         "/dashboard/static/voice-issue-capture.js",