# R2b — the Desk row, Reveal all, the theme toggle: every falsifier the
# contract claims (docs/contracts/r2b_desk_reveal_theme.contract.md), and the
# change each forbids. Merge 1 is D2 + D2b (the blur half); merge 2 adds D1 + D3.

unit = "reveal all, the booth blur toggle (merge 1)"

[[mutation]]
label = "D2 reveal all does not lift the tile's blur"
file = "booth/templates/base.html"
test = "tests/test_flow_browser.py::test_reveal_all_reveals_every_blurred_surface_and_survives_the_next_page"
old = '''
  .reveal-all .item.blurred img,.reveal-all .item.blurred video,'''
new = '''
  .reveal-all-OFF .item.blurred img,.reveal-all .item.blurred video,'''

[[mutation]]
label = "D2 no pre-paint re-application: the next page of the reel is blurred again"
file = "booth/templates/base.html"
test = "tests/test_flow_browser.py::test_reveal_all_reveals_every_blurred_surface_and_survives_the_next_page"
old = '''
      if (b !== null && sessionStorage.getItem('booth.reveal:' + b) === '1') d.classList.add('reveal-all');'''
new = '''
      if (false) d.classList.add('reveal-all');'''

[[mutation]]
label = "D2 the reveal is not scoped to the booth (any reveal in the tab reveals every booth)"
file = "booth/templates/base.html"
test = "tests/test_flow_browser.py::test_reveal_all_on_booth_a_does_not_reveal_booth_b_or_the_desk"
old = '''
      if (b !== null && sessionStorage.getItem('booth.reveal:' + b) === '1') d.classList.add('reveal-all');'''
new = '''
      if (b !== null && sessionStorage.length > 0) d.classList.add('reveal-all');'''

[[mutation]]
label = "D2 per-tile reveal buttons do not stand down under reveal all"
file = "booth/templates/base.html"
test = "tests/test_flow_browser.py::test_reveal_all_survives_an_in_place_save"
old = '''
  .reveal-all .item.blurred .reveal,.reveal-all #vreveal{display:none}'''
new = '''
  .reveal-all-OFF .item.blurred .reveal,.reveal-all #vreveal{display:none}'''

[[mutation]]
label = "D2 blur again wipes each item's own reveal"
file = "booth/templates/base.html"
test = "tests/test_flow_browser.py::test_blur_again_restores_each_items_own_reveal"
old = '''
        var on = d.classList.toggle('reveal-all');
        try {'''
new = '''
        var on = d.classList.toggle('reveal-all');
        document.querySelectorAll('.item.revealed').forEach(function (i) { i.classList.remove('revealed'); });
        try {'''

[[mutation]]
label = "D2 a storage write that throws swallows the click"
file = "booth/templates/base.html"
test = "tests/test_flow_browser.py::test_reveal_all_never_shows_without_js_and_a_storage_failure_still_applies_the_click"
old = '''
        var on = d.classList.toggle('reveal-all');
        try {'''
new = '''
        sessionStorage.setItem(key, '1');
        var on = d.classList.toggle('reveal-all');
        try {'''

[[mutation]]
label = "D2 the control shows without JS (server markup not hidden)"
file = "booth/templates/booth.html"
test = "tests/test_flow_browser.py::test_reveal_all_never_shows_without_js_and_a_storage_failure_still_applies_the_click"
old = '''
  {% if all_items | selectattr('blurred') | list %}<button type="button" class="reveal-all-btn" data-reveal-all hidden title='''
new = '''
  {% if all_items | selectattr('blurred') | list %}<button type="button" class="reveal-all-btn" data-reveal-all title='''

[[mutation]]
label = "D2 the control is markup even when nothing is blurred"
file = "booth/templates/booth.html"
test = "tests/test_flow.py::test_reveal_all_is_in_the_markup_only_when_something_is_blurred_and_always_hidden"
old = '''
  {% if all_items | selectattr('blurred') | list %}<button'''
new = '''
  {% if true %}<button'''

[[mutation]]
label = "D2 the review page does not carry data-booth"
file = "booth/templates/view.html"
test = "tests/test_flow.py::test_reveal_all_is_in_the_markup_only_when_something_is_blurred_and_always_hidden"
old = '''
{% block html_attrs %} data-booth="{{ name }}"{% endblock %}'''
new = '''
{% block html_attrs %}{% endblock %}'''

[[mutation]]
label = "D2b the header control's label does not follow the server's fog state"
file = "booth/templates/booth.html"
test = "tests/test_flow.py::test_the_booth_blur_toggle_works_without_js_and_lands_back_on_the_review"
old = '''
    <input type="hidden" name="on" value="{{ '0' if booth_blurred else '1' }}">
    <button title="{{ 'un-blur the whole booth'''
new = '''
    <input type="hidden" name="on" value="1">
    <button title="{{ 'un-blur the whole booth'''

[[mutation]]
label = "D2b the review's control drops `back` (fogging ejects you from the review)"
file = "booth/templates/view.html"
test = "tests/test_flow.py::test_the_booth_blur_toggle_works_without_js_and_lands_back_on_the_review"
old = '''
      <input type="hidden" name="back" value="{{ file }}">'''
new = '''
'''

[[mutation]]
label = "D2b the Desk row does not say a booth is fogged"
file = "booth/templates/index.html"
test = "tests/test_flow.py::test_the_booth_blur_toggle_works_without_js_and_lands_back_on_the_review"
old = '''
      {% if b.booth_blurred %}<span class="badge badge-blur"'''
new = '''
      {% if false %}<span class="badge badge-blur"'''

[[mutation]]
label = "D2b an item blurred only by the booth offers a per-item un-blur that does nothing"
file = "booth/templates/booth.html"
test = "tests/test_flow.py::test_under_a_fogged_booth_each_items_blur_control_tells_the_truth"
old = '''
  {% if it.blurred and not it.blurred_self %}'''
new = '''
  {% if false %}'''

[[mutation]]
label = "D2b the per-item control reads the composed blur, not the item's own"
file = "booth/app.py"
test = "tests/test_flow.py::test_under_a_fogged_booth_each_items_blur_control_tells_the_truth"
old = '''
                "blurred_self": it.blurred_self,'''
new = '''
                "blurred_self": it.blurred,'''

# ---- folds: the heid code-review ("BLITZ-2") and bug-hunt ("FENRIR-6") panels on merge 1

[[mutation]]
label = "a board holding files loses the blur controls its labels point at"
file = "booth/templates/booth.html"
test = "tests/test_flow.py::test_a_board_with_files_gets_the_blur_controls_its_labels_point_at"
old = '''
  {% if all_items %}
  {# The fog form IS a region'''
new = '''
  {% if not board %}
  {# The fog form IS a region'''

[[mutation]]
label = "a blurred doc's own page renders clear"
file = "booth/templates/doc.html"
test = "tests/test_flow.py::test_a_blurred_docs_own_page_is_blurred_too"
old = '''
  <div class="docbody{% if blurred %} is-blurred{% endif %}" id="docbody">'''
new = '''
  <div class="docbody" id="docbody">'''

[[mutation]]
label = "the review offers Reveal all when only a doc (off the ring) is blurred"
file = "booth/templates/view.html"
test = "tests/test_flow.py::test_reveal_all_renders_where_it_can_act"
old = '''
    {% if film | selectattr('blurred') | list %}<button'''
new = '''
    {% if true %}<button'''

[[mutation]]
label = "the fog form is a GET (changes nothing with scripts off)"
file = "booth/templates/booth.html"
test = "tests/test_flow.py::test_the_booth_blur_toggle_works_without_js_and_lands_back_on_the_review"
old = '''<form class="blur-all{% if booth_blurred %} is-on{% endif %}" method="post" action="/b/{{ name_url }}/blurbooth">
    <input type="hidden" name="on" value="{{ '0' if booth_blurred else '1' }}">
    <button title="{{ 'un-blur the whole booth — per-item'''
new = '''<form class="blur-all{% if booth_blurred %} is-on{% endif %}" method="get" action="/b/{{ name_url }}/blurbooth">
    <input type="hidden" name="on" value="{{ '0' if booth_blurred else '1' }}">
    <button title="{{ 'un-blur the whole booth — per-item'''

[[mutation]]
label = "the swap stops carrying an item's own reveal"
file = "booth/templates/base.html"
test = "tests/test_flow_browser.py::test_an_items_own_reveal_survives_an_in_place_save"
old = '''
      ['revealed', 'is-closed'].forEach(function (c) {'''
new = '''
      ['is-closed'].forEach(function (c) {'''

[[mutation]]
label = "a storage READ that throws raises out of the pre-paint script"
file = "booth/templates/base.html"
test = "tests/test_flow_browser.py::test_reveal_all_never_shows_without_js_and_a_storage_failure_still_applies_the_click"
old = '''
    try {
      if (b !== null && sessionStorage.getItem('booth.reveal:' + b) === '1') d.classList.add('reveal-all');
    } catch (e) {}'''
new = '''
    if (b !== null && sessionStorage.getItem('booth.reveal:' + b) === '1') d.classList.add('reveal-all');'''

[[mutation]]
label = "fogging writes through a planted marker link"
file = "booth/app.py"
test = "tests/test_flow.py::test_fogging_never_writes_through_a_planted_marker_link"
old = '''
        try:
            os.lstat(marker)
            return True
        except FileNotFoundError:
            pass
        try:
            os.close(os.open(marker, os.O_WRONLY | os.O_CREAT | os.O_EXCL | os.O_NOFOLLOW, 0o644))
        except FileExistsError:
            pass                                   # lost a race to another fog: still fogged
        return True'''
new = '''
        marker.touch(exist_ok=True)
        return True'''

[[mutation]]
label = "the fog landing echoes `back` unchecked"
file = "booth/app.py"
test = "tests/test_flow.py::test_the_fog_landing_is_built_from_the_ring_never_echoed"
old = '''
        if back and back in review_chain(booth_items(booth)):'''
new = '''
        if back:'''

[[mutation]]
label = "the fog form is outside every region (a swap leaves its label stale)"
file = "booth/templates/booth.html"
test = "tests/test_flow.py::test_the_booth_blur_toggle_works_without_js_and_lands_back_on_the_review"
old = '''
  <span class="region-wrap" data-region="blur-booth"><form class="blur-all'''
new = '''
  <span class="region-wrap"><form class="blur-all'''

[[mutation]]
label = "Space on a focused review button moves to the next item"
file = "booth/templates/view.html"
test = "tests/test_flow_browser.py::test_space_on_a_focused_review_button_presses_it_and_does_not_move_on"
old = '''e.target !== player && !(e.target.closest && e.target.closest('button, a, summary'))) {'''
new = '''e.target !== player) {'''

[[mutation]]
label = "the top-bar controls squeeze into multi-line stacks at phone width"
file = "booth/templates/base.html"
test = "tests/test_flow_browser.py::test_the_review_and_doc_top_bars_fit_a_phone"
old = '''
  .blur-all button,.reveal-all-btn{white-space:nowrap}
  @media (max-width:600px){.reveal-all-btn .ra-note{display:none}}'''
new = '''
'''

[[mutation]]
label = "the Desk strip under another booth's reveal is lifted by a whisker (blur(0px) is not blurred)"
file = "booth/templates/base.html"
test = "tests/test_flow_browser.py::test_reveal_all_on_booth_a_does_not_reveal_booth_b_or_the_desk"
old = '''
  .blurred-thumb{filter:blur(16px)}'''
new = '''
  .blurred-thumb{filter:blur(0px)}'''

# ---- the flake: the test browser has no internet (positive control per file)

[[mutation]]
label = "the flow test browser can reach the internet (Google Fonts can stall networkidle)"
file = "tests/test_flow_browser.py"
test = "tests/test_flow_browser.py::test_the_test_browser_has_no_internet"
old = '''
            b = pw.chromium.launch(args=OFFLINE)'''
new = '''
            b = pw.chromium.launch()'''

[[mutation]]
label = "the embed test browser can reach the internet"
file = "tests/test_embed_browser.py"
test = "tests/test_embed_browser.py::test_the_test_browser_has_no_internet"
old = '''
            b = pw.chromium.launch(args=OFFLINE)'''
new = '''
            b = pw.chromium.launch()'''

# ---- merge 2: D1 the Desk row, D1b dates, D3 the theme toggle
# Successors to the four r2_flow rows retired for D1. One branch is proved by
# reading, not here: a true touch LAPTOP (fine pointer + a coarse one) cannot be
# emulated — Chromium's touch emulation makes the primary pointer coarse.

[[mutation]]
label = "D1 the cluster is visible at rest"
file = "booth/templates/base.html"
test = "tests/test_flow_browser.py::test_the_row_controls_take_no_room_where_a_hover_exists"
old = '''
      opacity:0;pointer-events:none;transition:opacity var(--dur-1) var(--ease-out)}'''
new = '''
      opacity:1;pointer-events:none;transition:opacity var(--dur-1) var(--ease-out)}'''

[[mutation]]
label = "D1 hover shows the cluster but leaves it unclickable"
file = "booth/templates/base.html"
test = "tests/test_flow_browser.py::test_the_row_controls_take_no_room_where_a_hover_exists"
old = '''
    .desk-row:hover .desk-acts,.desk-row:focus-within .desk-acts{opacity:1;pointer-events:auto}'''
new = '''
    .desk-row:hover .desk-acts,.desk-row:focus-within .desk-acts{opacity:1}'''

[[mutation]]
label = "D1 the cluster stays in flow where a hover exists (it takes room)"
file = "booth/templates/base.html"
test = "tests/test_flow_browser.py::test_the_row_controls_take_no_room_where_a_hover_exists"
old = '''
    .desk-acts{position:absolute;top:17px;left:calc(12px + 210px - 5px);transform:translateX(-100%);flex:none;gap:4px;padding:3px;'''
new = '''
    .desk-acts{position:static;top:17px;left:calc(12px + 210px - 5px);transform:translateX(-100%);flex:none;gap:4px;padding:3px;'''

[[mutation]]
label = "D1 hover-only everywhere (no controls at all on touch)"
file = "booth/templates/base.html"
test = "tests/test_flow_browser.py::test_on_touch_the_row_controls_are_visible_in_flow_and_at_least_28px"
old = '''
  .desk-acts{flex:1 0 100%;display:flex;flex-wrap:wrap;align-items:center;gap:6px}'''
new = '''
  .desk-acts{flex:1 0 100%;display:flex;flex-wrap:wrap;align-items:center;gap:6px;opacity:0}'''

[[mutation]]
label = "D1 touch controls fall below the 28px floor"
file = "booth/templates/base.html"
test = "tests/test_flow_browser.py::test_on_touch_the_row_controls_are_visible_in_flow_and_at_least_28px"
old = '''
    min-height:32px;min-width:32px;padding:0 10px;font-family:var(--font-mono);font-size:var(--size-caption);'''
new = '''
    min-height:18px;min-width:18px;padding:0 10px;font-family:var(--font-mono);font-size:var(--size-caption);'''

[[mutation]]
label = "D1 zip back in the middle"
file = "booth/templates/index.html"
test = "tests/test_flow_browser.py::test_the_row_controls_run_zip_keep_or_release_then_wipe"
old = '''
      <a class="dl-link" href="/b/{{ b.name_url }}/?download=1" title="download this booth as a zip">⬇ zip</a>
      {%- if b.kept %}
      <form class="release"'''
new = '''
      {%- if b.kept %}
      <a class="dl-link" href="/b/{{ b.name_url }}/?download=1" title="download this booth as a zip">⬇ zip</a>
      <form class="release"'''

[[mutation]]
label = "D1 a held booth's pill reads as counting down"
file = "booth/templates/index.html"
test = "tests/test_flow.py::test_the_lifetime_pill_class_is_kept_held_or_counting"
old = '''('life-held' if b.hold in ('open', 'unreadable') else 'life-count')'''
new = '''('life-held' if b.hold == 'never' else 'life-count')'''

[[mutation]]
label = "D1b an unknown birth time renders a guess"
file = "booth/templates/_dates.html"
test = "tests/test_flow.py::test_created_and_updated_are_dated_facts_and_none_says_nothing"
old = '''{% macro dates(created_at, landed_at, now) -%}'''
new = '''{% macro dates(created_at, landed_at, now) -%}{%- set created_at = created_at or landed_at -%}'''

[[mutation]]
label = "D1b updated is measured from the wrong clock"
file = "booth/templates/_dates.html"
test = "tests/test_flow.py::test_created_and_updated_are_dated_facts_and_none_says_nothing"
old = '''updated {{ age|ago }}'''
new = '''updated {{ (now - created_at)|ago }}'''

[[mutation]]
label = "D3 a stored theme is not applied at load (a reload forgets it)"
file = "booth/templates/base.html"
test = "tests/test_flow_browser.py::test_the_theme_toggle_forces_light_and_dark_and_system_follows_the_os_live"
old = '''
      if (t === 'light' || t === 'dark') d.setAttribute('data-theme', t);'''
new = '''
      if (false) d.setAttribute('data-theme', t);'''

[[mutation]]
label = "D3 System snapshots the OS instead of following it live"
file = "booth/templates/base.html"
test = "tests/test_flow_browser.py::test_the_theme_toggle_forces_light_and_dark_and_system_follows_the_os_live"
old = '''
      if (c === 'system') d.removeAttribute('data-theme'); else d.setAttribute('data-theme', c);'''
new = '''
      if (c === 'system') d.setAttribute('data-theme', matchMedia('(prefers-color-scheme: light)').matches ? 'light' : 'dark'); else d.setAttribute('data-theme', c);'''

[[mutation]]
label = "D3 forced light is not in the sheet"
file = "booth/templates/_svos_tokens.css"
test = "tests/test_flow_browser.py::test_the_theme_toggle_forces_light_and_dark_and_system_follows_the_os_live"
old = '''
:root[data-theme="light"] {'''
new = '''
:root[data-theme="light-OFF"] {'''

[[mutation]]
label = "D3 the toggle shows without JS (display beats [hidden])"
file = "booth/templates/base.html"
test = "tests/test_flow_browser.py::test_the_theme_toggle_never_shows_without_js_and_a_storage_failure_still_applies"
old = '''
  .theme[hidden]{display:none}'''
new = '''
'''

[[mutation]]
label = "D3 a storage write that throws swallows the choice"
file = "booth/templates/base.html"
test = "tests/test_flow_browser.py::test_the_theme_toggle_never_shows_without_js_and_a_storage_failure_still_applies"
old = '''
      var c = b.getAttribute('data-theme-choice');
      if (c === 'system')'''
new = '''
      var c = b.getAttribute('data-theme-choice');
      localStorage.setItem('booth.theme', c);
      if (c === 'system')'''

[[mutation]]
label = "D3 a stylesheet precedes the stored-theme script (a flash)"
file = "booth/templates/base.html"
test = "tests/test_flow.py::test_a_forced_theme_is_applied_before_first_paint"
old = '''
<script>
  (function () {
    var d = document.documentElement, b = d.getAttribute('data-booth');'''
new = '''
<style></style>
<script>
  (function () {
    var d = document.documentElement, b = d.getAttribute('data-booth');'''

[[mutation]]
label = "D3 the ask chrome in a verbatim page ignores the choice"
file = "booth/static/embed.js"
test = "tests/test_flow_browser.py::test_a_forced_theme_reaches_the_ask_chrome_inside_a_verbatim_page"
old = '''
        bkTheme();
        reassociate();'''
new = '''
        reassociate();'''

[[mutation]]
label = "D3 the ask chrome does not follow a choice made in another tab"
file = "booth/static/embed.js"
test = "tests/test_flow_browser.py::test_a_forced_theme_reaches_the_ask_chrome_inside_a_verbatim_page"
old = '''
    if (e.key === "booth.theme" || e.key === null) bkTheme();'''
new = '''
    if (false) bkTheme();'''

# ---- merge-2 folds: heid bug-hunt ("GORE-7") and code-review ("STAGGER-3")
# Not expressible as one replacement, so pinned by their tests directly: the
# row's DOM tab order (read in order by the test), and a declaration dropped
# from BOTH light copies (the expected set is now written from SVOS, not
# derived from the copies).

[[mutation]]
label = "a date the calendar cannot hold raises through the Desk"
file = "booth/app.py"
test = "tests/test_flow.py::test_a_date_no_calendar_can_hold_renders_nothing_and_never_500s"
old = '''
_BAD_DATE = (OverflowError, OSError, ValueError)'''
new = '''
_BAD_DATE = ()'''

[[mutation]]
label = "updated is dropped for content older than its booth (one-sided gap)"
file = "booth/templates/_dates.html"
test = "tests/test_flow.py::test_updated_shows_whenever_it_differs_from_created_and_a_future_one_says_its_date"
old = '''(landed_at - created_at)|abs >= 60'''
new = '''(landed_at - created_at) >= 60'''

[[mutation]]
label = "a content clock ahead of now reads as an age"
file = "booth/templates/_dates.html"
test = "tests/test_flow.py::test_updated_shows_whenever_it_differs_from_created_and_a_future_one_says_its_date"
old = '''{%- if age < -60 %}'''
new = '''{%- if false %}'''

[[mutation]]
label = "hours run on to 47h (1d ago never appears)"
file = "booth/app.py"
test = "tests/test_flow.py::test_an_age_is_said_in_its_largest_whole_unit"
old = '''
    if s < 86400:
        return f"{s // 3600}h ago"'''
new = '''
    if s < 2 * 86400:
        return f"{s // 3600}h ago"'''

[[mutation]]
label = "a theme chosen in one tab does not reach the Booth's other open tabs"
file = "booth/templates/base.html"
test = "tests/test_flow_browser.py::test_a_theme_chosen_in_one_tab_moves_the_others"
old = '''
      if (e.key !== 'booth.theme' && e.key !== null) return;
      var t = null;'''
new = '''
      return;
      var t = null;'''

[[mutation]]
label = "the theme mark reaches the author's own .bk-ask"
file = "booth/static/embed.js"
test = "tests/test_flow_browser.py::test_the_theme_marks_only_the_ask_fragments_we_mounted"
old = '''
    ours.forEach(function (root) {'''
new = '''
    [document.body].forEach(function (root) {'''

[[mutation]]
label = "keyboard focus no longer reveals the row's controls"
file = "booth/templates/base.html"
test = "tests/test_flow_browser.py::test_the_pill_shows_at_rest_and_focus_reveals_the_controls"
old = '''
    .desk-row:hover .desk-acts,.desk-row:focus-within .desk-acts{opacity:1;pointer-events:auto}'''
new = '''
    .desk-row:hover .desk-acts{opacity:1;pointer-events:auto}'''

[[mutation]]
label = "the lifetime pill hides at rest"
file = "booth/templates/base.html"
test = "tests/test_flow_browser.py::test_the_pill_shows_at_rest_and_focus_reveals_the_controls"
old = '''
  .life-count::before{content:"◷"}'''
new = '''
  .life-count::before{content:"◷"}
  .life{opacity:0}'''

[[mutation]]
label = "high contrast never applies (dark-hc block gone)"
file = "booth/templates/_svos_tokens.css"
test = "tests/test_flow_browser.py::test_a_forced_theme_follows_high_contrast"
old = '''
/* dark high contrast: whenever dark is in effect (light, below, outranks it) */
@media (prefers-contrast: more) {'''
new = '''
/* dark high contrast: whenever dark is in effect (light, below, outranks it) */
@media (prefers-contrast: less) {'''

[[mutation]]
label = "Reveal all does not reach a blurred doc's own page"
file = "booth/templates/doc.html"
test = "tests/test_flow_browser.py::test_reveal_all_lifts_the_doc_page_it_reaches"
old = '''
  .reveal-all .docbody.is-blurred .markdown-body,.reveal-all .docbody.is-blurred .textview{filter:none}'''
new = '''
  .reveal-all-OFF .docbody.is-blurred .markdown-body,.reveal-all .docbody.is-blurred .textview{filter:none}'''