{ "slug": "pos-service-buttons", "collected_utc": "2026-09-04T04:15Z", "surface_driven": [ "unauthenticated GET https://jlk5auefmk.execute-api.us-east-1.amazonaws.com/dev/restaurants//menu", "real chromium browser (390x844, hasTouch) against https://dcgmji73h6qel.cloudfront.net/menu?id=&table=&layout=mosaic_v2" ], "menu_json_pos_experience": { "pos-gate 02d14028-2788-5e77-98e5-5cbd14880566": { "http": 200, "restaurant.pos_experience": { "service_buttons_hidden": true, "order_status_hidden": true, "dish_ratings_hidden": true, "auto_close_on_payment": true }, "categories": 0, "items": 0 }, "pos-push baa315c1-2fa6-570c-bfc2-efb14cecf121": { "http": 200, "restaurant.pos_experience": { "service_buttons_hidden": false, "order_status_hidden": false, "dish_ratings_hidden": false, "auto_close_on_payment": false }, "categories": 5, "items": 14 }, "canary-mosaic 28ae37ab-706c-4e20-83d7-52f5d2dff747": { "http": 200, "restaurant.pos_experience": { "service_buttons_hidden": false, "order_status_hidden": false, "dish_ratings_hidden": false, "auto_close_on_payment": false }, "categories": 5, "items": 15 } }, "browser_observations": { "POS-GATE 02d14028 (service_buttons_hidden=true)": { "table": 9991, "rendered": "layout-empty-state \u2014 heading 'Canary Mosaic V2 POS Gate \u2014 dev', body 'The menu is being prepared. Please check back in a moment or ask your server.'", "all_data_testids_on_screen": [ "layout-empty-state", "m2-layout", "table-session-active" ], "layout-service-button count": 0, "service_drawer": "absent", "browser_saw_menu_payload_pos_experience": { "service_buttons_hidden": true, "order_status_hidden": true, "dish_ratings_hidden": true, "auto_close_on_payment": true }, "screenshots": [ "/workspace/uat/lane-pos/shots/psb-POS-GATE-02d14028.png", "/workspace/uat/lane-pos/shots/svc-POS-GATE-02d14028-nobutton.png" ], "CONFOUND": "this fixture has 0 menu items, so the whole menu chrome (dock, m2-* tiles, subcat nav) is absent too. The absence of the service button here is NOT attributable to the pos_experience gate \u2014 nothing renders at all." }, "POS-PUSH baa315c1 (service_buttons_hidden=false)": { "table": 9992, "layout-service-button count": 1, "initial_state": { "opacity": "0", "pointerEvents": "none", "w": 17, "h": 17, "x": 330, "y": 794 }, "after_scroll_600px": { "opacity": "1", "pointerEvents": "auto", "w": 48, "h": 48, "x": 208, "y": 782, "aria-label": "Call staff or request the check" }, "drawer_after_click_testids": [ "service-bubble", "service-bubble-attend_table", "service-bubble-cutlery", "service-bubble-ready_for_bill" ], "screenshots": [ "/workspace/uat/lane-pos/shots/psb-POS-PUSH-baa315c1.png", "/workspace/uat/lane-pos/shots/svc-POS-PUSH-baa315c1-drawer.png" ] }, "CONTROL 28ae37ab (service_buttons_hidden=false)": { "table": 9993, "layout-service-button count": 1, "initial_state": { "opacity": "0", "pointerEvents": "none", "w": 17, "h": 17, "x": 330, "y": 794 }, "after_scroll_600px": { "opacity": "1", "pointerEvents": "auto", "w": 48, "h": 48, "x": 208, "y": 782, "aria-label": "Call staff or request the check" }, "drawer_after_click_onscreen_text": [ "TABLE 9913 \u00b7 SERVICE", "How can we help?", "Call Waiter / Someone will stop by", "Silverware / A fresh set", "Check Please / Ready to settle up", "Your server is nearby \u2014 we'll be right with you." ], "drawer_after_click_testids": [ "service-bubble", "service-bubble-attend_table", "service-bubble-cutlery", "service-bubble-ready_for_bill" ], "screenshots": [ "/workspace/uat/lane-pos/shots/psb-CONTROL-28ae37ab.png", "/workspace/uat/lane-pos/shots/svc-CONTROL-28ae37ab-drawer.png", "/workspace/uat/lane-pos/shots/dock-CONTROL-28ae37ab-scrolled.png" ] } }, "what_i_could_establish": [ "step 1 (Menu payload carries pos_experience) \u2014 WITNESSED. All 3 fixtures return the 4-key object at restaurant.pos_experience on an unauthenticated GET.", "step 3 (all four keys gate together) \u2014 WITNESSED at the payload level: pos-gate is all-true, the two non-POS fixtures are all-false. No fixture shows a mixed set.", "step 4 (non-POS restaurant keeps its service buttons) \u2014 WITNESSED IN THE BROWSER on both non-POS fixtures: dock button appears on scroll and opens the Call Waiter / Silverware / Check Please drawer." ], "what_i_could_not_establish": [ "step 2 (Service buttons hidden on the POS fixture) \u2014 NOT WITNESSABLE as a gate effect. The only dev fixture with service_buttons_hidden=true (pos-gate 02d14028) has 0 menu items and renders layout-empty-state, so no menu chrome of any kind renders. Absence of the service button there is fully explained by the empty menu; the gate is never exercised on a rendered menu.", "I did not mutate any restaurant config to create a POS-gated fixture with a menu." ], "fixture_sweep_all_26_dev_fixtures": { "method": "unauthenticated GET /dev/restaurants//menu for every id in runs/wave0/fixtures.json", "service_buttons_hidden=true count": 1, "the only one": "pos-gate 02d14028 'Canary Mosaic V2 POS Gate \u2014 dev'", "items on that one": 0, "every other fixture": "service_buttons_hidden=false, 6-24 items", "consequence": "there is NO non-POS empty-menu fixture in dev, so the empty-menu cause and the gate cause cannot be separated by fixture comparison. The confound is structural, not an omission on my part." }, "payload_still_ships_the_buttons": { "observation": "On pos-gate 02d14028 the SAME payload that sets pos_experience.service_buttons_hidden=true also carries restaurant.service_buttons = [{action:attend_table,label:'Call Waiter',order:1},{action:cutlery,label:'Silverware',order:2},{action:ready_for_bill,label:'Check Please',order:3}].", "same on all 26 fixtures": "every dev fixture ships the identical 3-entry service_buttons array, gated or not. The server does not strip them; only the flag differs." }, "service_button_is_scroll_gated_on_non_POS_fixtures": { "at first paint (t+0s and t+8s, no scroll)": "[data-testid=layout-service-button] exists but computed opacity=0, pointer-events=none, 17x17px at x=330,y=794", "after page.mouse.wheel(0,600)": "opacity=1, pointer-events=auto, 48x48px at x=208,y=782, aria-label='Call staff or request the check'", "outerHTML at that point": "