fix: reset mobile work detail position (Closes #777)

frontend/dashboard.js

@@ -929,6 +929,10 @@
     panel: qs('#update-sheet .update-sheet-panel'),
     jump: qs('#jump-update-new-activity'),
   });
+  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') });
+  const workDetailIdentity = (kind, item) => kind + ':' + item.key;
   qs('#jump-update-new-activity').addEventListener('click', () => updateReadPosition.jump());
   qs('#focus-update-reply').addEventListener('click', () => {
     const composer = qs('#update-reply');
@@ -3166,6 +3170,7 @@
 
   async function openIssueSheet(item, trigger, offlineDetail = null) {
     if (!item) return;
+    issueDetailPosition.open(workDetailIdentity('issue', item));
     qs('#issue-planning').inert = false;
     qs('#issue-handoff').inert = false;
     selectedIssue = item;
@@ -3358,6 +3363,7 @@
   async function openPullSheet(item, trigger, offlineDetail = null) {
     if (!item) return;
     if (!await ensurePullWorkflow(trigger)) return;
+    pullDetailPosition.open(workDetailIdentity('pull', item));
     if (!createPullSheet.sameTarget(selectedPull, item)) pullAttachmentController.clear();
     qs('#pull-review').inert = false;
     qs('#pull-ownership').inert = false;
@@ -3958,6 +3964,7 @@
 
   async function openReviewSheet(item, trigger, cachedDetail = null) {
     if (!item || !await ensurePullWorkflow(trigger)) return;
+    reviewDetailPosition.open(workDetailIdentity('review', item));
     selectedReview = item;
     reviewTrigger = trigger;
     offlineReview = Boolean(cachedDetail);

frontend/index.html

@@ -1091,6 +1091,7 @@
 <script src="static/update-triage-session.js"></script>
 <script src="static/update-review-handoff.js"></script>
 <script src="static/update-read-position.js"></script>
+<script src="static/work-detail-position.js"></script>
 <script src="static/update-triage-launcher.js"></script>
 <script src="static/update-triage-gesture.js"></script>
 <script src="static/update-decision-transaction.js"></script>

frontend/service-worker.js

@@ -1,6 +1,6 @@
 const BASE = new URL('./', self.location.href).pathname;
 importScripts(BASE + 'static/background-issue-sync.js');
-const CACHE = 'stackchain-dashboard-shell-v100';
+const CACHE = 'stackchain-dashboard-shell-v101';
 const OFFLINE_LEASE_URL = new URL(BASE + '__offline-session-lease', self.location.origin).href;
 const OUTAGE_STATUSES = new Set([500, 502, 503, 504]);
 const NAVIGATION_TIMEOUT_MS = self.__STACKCHAIN_NAVIGATION_TIMEOUT_MS || 4000;
@@ -79,6 +79,7 @@ const SHELL = [
   BASE + 'static/update-triage-session.js',
   BASE + 'static/update-review-handoff.js',
   BASE + 'static/update-read-position.js',
+  BASE + 'static/work-detail-position.js',
   BASE + 'static/update-triage-launcher.js',
   BASE + 'static/update-triage-gesture.js',
   BASE + 'static/update-decision-transaction.js',

frontend/work-detail-position.js

@@ -0,0 +1 @@
+(function(r,f){if(typeof module==='object'&&module.exports)module.exports=f;else r.createWorkDetailPosition=f})(typeof self!=='undefined'?self:this,function(o){let i='';return{open(n){n=String(n||'');if(n&&n===i)return false;i=n;o.panel.scrollTop=0;return true}}});

tests/test_comment_next.py

@@ -303,4 +303,4 @@ async def test_unread_update_offers_reply_mark_read_and_next_independent_of_toda
     assert '.update-reply-actions { display:grid; grid-template-columns:repeat(2,minmax(0,1fr));' in html
     assert '.update-reply-actions button { min-height:44px;' in html
     worker = (Path(__file__).parents[1] / "frontend" / "service-worker.js").read_text()
-    assert "stackchain-dashboard-shell-v100" in worker
+    assert "stackchain-dashboard-shell-v101" in worker

tests/test_later_sync.py

@@ -347,5 +347,5 @@ async def test_dashboard_syncs_every_later_change_and_exposes_account_status():
 def test_later_sync_ships_atomically_in_the_offline_shell():
     source = (Path(__file__).parents[1] / "frontend" / "service-worker.js").read_text()
 
-    assert "stackchain-dashboard-shell-v100" in source
+    assert "stackchain-dashboard-shell-v101" in source
     assert "BASE + 'static/later-sync.js'" in source

tests/test_markdown_renderer.py

@@ -137,4 +137,4 @@ def test_markdown_work_bodies_are_mobile_safe_block_containers():
     assert ".markdown-content { min-width:0; max-width:100%; overflow-wrap:anywhere;" in css
     assert ".markdown-content pre { max-width:100%; overflow-x:auto;" in css
     assert ".markdown-content a { min-height:44px;" in css
-    assert "stackchain-dashboard-shell-v100" in worker
+    assert "stackchain-dashboard-shell-v101" in worker

tests/test_mobile_composer_integration.py

@@ -45,7 +45,7 @@ def test_offline_shell_contains_every_local_dashboard_runtime_asset():
     shell_assets = set(re.findall(r"BASE \+ '([^']+)'", worker.split("async function sessionCsrf", 1)[0]))
 
     assert local_assets <= shell_assets, f"Offline shell is missing: {sorted(local_assets - shell_assets)}"
-    assert "stackchain-dashboard-shell-v100" in worker
+    assert "stackchain-dashboard-shell-v101" in worker
 
 
 def test_all_conversation_composers_offer_accessible_mobile_mentions():

tests/test_mobile_device_setup.py

@@ -214,7 +214,7 @@ def test_mobile_dashboard_mounts_phone_safe_device_setup_flow():
     assert "promptStorage:localStorage" in dashboard
     assert "pushControllerReady.then(ensureDeviceSetup)" in dashboard
     assert "BASE + 'static/mobile-device-setup.js'" in worker
-    assert "stackchain-dashboard-shell-v100" in worker
+    assert "stackchain-dashboard-shell-v101" in worker
     assert ".device-setup-panel" in css
     assert ".device-readiness-card" in css
     assert "overflow-x:hidden" in css

tests/test_plan_today.py

@@ -410,7 +410,7 @@ async def test_plan_today_wires_cancel_back_and_success_through_overlay_history(
 def test_plan_today_controller_is_available_in_the_offline_shell():
     source = SERVICE_WORKER.read_text()
 
-    assert "stackchain-dashboard-shell-v100" in source
+    assert "stackchain-dashboard-shell-v101" in source
     assert "BASE + 'static/plan-today.js'" in source
     assert "BASE + 'static/plan-today-readiness.js'" in source
     assert "BASE + 'static/plan-today-preview.js'" in source

tests/test_service_worker.py

@@ -150,7 +150,7 @@ async function dispatchPush(payload) {{
 def test_resumable_today_session_ships_in_a_new_offline_shell():
     source = WORKER.read_text()
 
-    assert "stackchain-dashboard-shell-v100" in source
+    assert "stackchain-dashboard-shell-v101" in source
     assert "BASE + 'static/my-work.js'" in source
     assert "BASE + 'static/dashboard.js'" in source
     assert "BASE + 'static/dashboard.css'" in source
@@ -159,14 +159,14 @@ def test_resumable_today_session_ships_in_a_new_offline_shell():
 def test_ownership_exit_runtime_rolls_the_offline_shell_cache():
     source = WORKER.read_text()
 
-    assert "stackchain-dashboard-shell-v100" in source
+    assert "stackchain-dashboard-shell-v101" in source
     assert "BASE + 'static/dashboard.js'" in source
 
 
 def test_offline_review_next_ships_today_completion_atomically():
     source = WORKER.read_text()
 
-    assert "stackchain-dashboard-shell-v100" in source
+    assert "stackchain-dashboard-shell-v101" in source
     assert "BASE + 'static/today-completion.js'" in source
     assert "BASE + 'static/dashboard.js'" in source
 
@@ -174,7 +174,7 @@ def test_offline_review_next_ships_today_completion_atomically():
 def test_duplicate_aware_capture_ships_in_a_new_offline_shell():
     source = WORKER.read_text()
 
-    assert "stackchain-dashboard-shell-v100" in source
+    assert "stackchain-dashboard-shell-v101" in source
     assert "BASE + 'static/create-issue-sheet.js'" in source
     assert "BASE + 'static/dashboard.js'" in source
 
@@ -182,14 +182,14 @@ def test_duplicate_aware_capture_ships_in_a_new_offline_shell():
 def test_exact_later_picker_ships_atomically_in_a_new_offline_shell():
     source = WORKER.read_text()
 
-    assert "stackchain-dashboard-shell-v100" in source
+    assert "stackchain-dashboard-shell-v101" in source
     assert "BASE + 'static/later-picker.js'" in source
 
 
 def test_navigation_deadline_ships_in_a_new_shell_cache():
     source = WORKER.read_text()
 
-    assert "stackchain-dashboard-shell-v100" in source
+    assert "stackchain-dashboard-shell-v101" in source
     assert "BASE + 'static/dashboard.css'" in source
     assert "BASE + 'static/dashboard.js'" in source
     assert "BASE + 'static/install-app.js'" in source
@@ -198,21 +198,21 @@ def test_navigation_deadline_ships_in_a_new_shell_cache():
 def test_today_convergence_ships_in_a_new_shell_cache():
     source = WORKER.read_text()
 
-    assert "stackchain-dashboard-shell-v100" in source
+    assert "stackchain-dashboard-shell-v101" in source
     assert "BASE + 'static/today-sync.js'" in source
 
 
 def test_mobile_search_viewport_ships_in_a_new_offline_shell():
     source = WORKER.read_text()
 
-    assert "stackchain-dashboard-shell-v100" in source
+    assert "stackchain-dashboard-shell-v101" in source
     assert "BASE + 'static/mobile-search-viewport.js'" in source
 
 
 def test_update_ownership_flow_ships_atomically_in_a_new_offline_shell():
     source = WORKER.read_text()
 
-    assert "stackchain-dashboard-shell-v100" in source
+    assert "stackchain-dashboard-shell-v101" in source
     assert "BASE + 'static/update-ownership.js'" in source
 
 
@@ -761,7 +761,7 @@ def test_one_session_bound_csrf_proof_is_reused_for_a_background_drain():
 def test_queue_today_ships_atomically_in_a_new_offline_shell():
     source = WORKER.read_text()
 
-    assert "stackchain-dashboard-shell-v100" in source
+    assert "stackchain-dashboard-shell-v101" in source
     assert "BASE + 'static/queue-today.js'" in source
 
 
@@ -849,6 +849,7 @@ def test_install_precaches_complete_subpath_scoped_app_shell():
         "/dashboard/static/update-triage-session.js",
         "/dashboard/static/update-review-handoff.js",
         "/dashboard/static/update-read-position.js",
+        "/dashboard/static/work-detail-position.js",
         "/dashboard/static/update-triage-launcher.js",
         "/dashboard/static/update-triage-gesture.js",
         "/dashboard/static/update-decision-transaction.js",

tests/test_today_readiness.py

@@ -221,7 +221,7 @@ async def test_today_blocker_opens_existing_preview_and_preserves_readiness_gate
 def test_readiness_runtime_is_available_in_offline_shell():
     service_worker = SERVICE_WORKER.read_text()
 
-    assert "const CACHE = 'stackchain-dashboard-shell-v100';" in service_worker
+    assert "const CACHE = 'stackchain-dashboard-shell-v101';" in service_worker
     assert "BASE + 'static/today-readiness.js'" in service_worker
 
 

tests/test_today_sync.py

@@ -127,7 +127,7 @@ sync.enqueueConfiguration(120, {{'issue:r:1:':60}});
 def test_inflight_today_drain_ships_in_a_new_offline_shell():
     source = (Path(__file__).parents[1] / "frontend" / "service-worker.js").read_text()
 
-    assert "stackchain-dashboard-shell-v100" in source
+    assert "stackchain-dashboard-shell-v101" in source
     assert "BASE + 'static/today-sync.js'" in source
 
 

tests/test_work_detail_position.py

@@ -0,0 +1,60 @@
+import json
+import subprocess
+from pathlib import Path
+
+import pytest
+
+from tests.dashboard_bundle import dashboard
+
+
+POSITIONER = Path(__file__).resolve().parents[1] / "frontend" / "work-detail-position.js"
+
+
+def run_positioner(script: str) -> dict:
+    source = f"const createPositioner = require({json.dumps(str(POSITIONER))});\n" + script
+    result = subprocess.run(["node", "-e", source], capture_output=True, text=True)
+    assert result.returncode == 0, result.stderr
+    return json.loads(result.stdout)
+
+
+def test_different_work_item_resets_to_top_while_same_item_keeps_position():
+    result = run_positioner("""
+const panel = {scrollTop:640};
+const positioner = createPositioner({panel});
+const first = positioner.open('issue:stackchain/dashboard#41');
+panel.scrollTop = 380;
+const same = positioner.open('issue:stackchain/dashboard#41');
+const changed = positioner.open('pull:stackchain/dashboard#42');
+process.stdout.write(JSON.stringify({first, same, changed, top:panel.scrollTop}));
+""")
+
+    assert result == {"first": True, "same": False, "changed": True, "top": 0}
+
+
+def test_each_panel_tracks_its_own_visible_identity():
+    result = run_positioner("""
+const issuePanel = {scrollTop:500};
+const pullPanel = {scrollTop:700};
+const issue = createPositioner({panel:issuePanel});
+const pull = createPositioner({panel:pullPanel});
+issue.open('issue:stackchain/dashboard#8');
+pull.open('pull:stackchain/dashboard#9');
+issuePanel.scrollTop = 220;
+pullPanel.scrollTop = 330;
+issue.open('issue:stackchain/dashboard#8');
+pull.open('review:stackchain/dashboard#9');
+process.stdout.write(JSON.stringify({issueTop:issuePanel.scrollTop, pullTop:pullPanel.scrollTop}));
+""")
+
+    assert result == {"issueTop": 220, "pullTop": 0}
+
+
+@pytest.mark.anyio
+async def test_dashboard_positions_issue_pull_and_review_openers():
+    html = await dashboard()
+
+    assert '<script src="static/work-detail-position.js"></script>' in html
+    assert "issueDetailPosition.open(workDetailIdentity('issue', item))" in html
+    assert "pullDetailPosition.open(workDetailIdentity('pull', item))" in html
+    assert "reviewDetailPosition.open(workDetailIdentity('review', item))" in html
+    assert "BASE + 'static/work-detail-position.js'" in (POSITIONER.parent / "service-worker.js").read_text()