diff --git a/common/components/primitives.py b/common/components/primitives.py
index 6c76929..93289c0 100644
--- a/common/components/primitives.py
+++ b/common/components/primitives.py
@@ -395,7 +395,7 @@ def Pill(
     are JS hooks only (no CSS attached). ``value`` (when set) becomes
     ``data-value``; extra ``attributes`` are appended to the outer span.
 
-    ``label_slot=True`` wraps the label in a ``<span data-ss-label>`` so JS can
+    ``label_slot=True`` wraps the label in a ``<span data-search-select-label>`` so JS can
     fill it when cloning the pill from a server-rendered ``<template>`` (keeps the
     markup single-sourced — see ``search_select.py``).
     """
@@ -407,7 +407,11 @@ def Pill(
     pill_attrs.extend(attributes)
 
     label_child: HTMLTag = (
-        Component(tag_name="span", attributes=[("data-ss-label", "")], children=[label])
+        Component(
+            tag_name="span",
+            attributes=[("data-search-select-label", "")],
+            children=[label],
+        )
         if label_slot
         else label
     )
diff --git a/common/components/search_select.py b/common/components/search_select.py
index bf4615e..7c979b2 100644
--- a/common/components/search_select.py
+++ b/common/components/search_select.py
@@ -121,21 +121,23 @@ def _hidden_input(name: str, value) -> SafeText:
 
 
 def _label_slot(text: str, *, extra_class: str = "") -> SafeText:
-    """A ``<span data-ss-label>`` holding a row/pill's visible label. JS fills this
+    """A ``<span data-search-select-label>`` holding a row/pill's visible label. JS fills this
     one node when cloning the shape from a ``<template>``, so labels are the only
     thing the JS sets — all classes and structure stay server-side."""
-    attributes: list[HTMLAttribute] = [("data-ss-label", "")]
+    attributes: list[HTMLAttribute] = [("data-search-select-label", "")]
     if extra_class:
         attributes.append(("class", extra_class))
     return Component(tag_name="span", attributes=attributes, children=[text])
 
 
 def _template(name: str, node: SafeText) -> SafeText:
-    """Wrap a prototype row/pill in an inert ``<template data-ss-template=name>`` that
+    """Wrap a prototype row/pill in an inert ``<template data-search-select-template=name>`` that
     the JS clones. Rendering the prototype with the real component keeps the JS
     free of any markup or class strings."""
     return Component(
-        tag_name="template", attributes=[("data-ss-template", name)], children=[node]
+        tag_name="template",
+        attributes=[("data-search-select-template", name)],
+        children=[node],
     )
 
 
@@ -147,7 +149,7 @@ def _option_row(option: SearchSelectOption) -> SafeText:
     return Component(
         tag_name="div",
         attributes=[
-            ("data-ss-option", ""),
+            ("data-search-select-option", ""),
             ("data-value", str(option["value"])),
             ("data-label", option["label"]),
             ("class", _OPTION_ROW_CLASS),
@@ -183,14 +185,17 @@ def _combobox_shell(
 
     no_results = Component(
         tag_name="div",
-        attributes=[("data-ss-no-results", ""), ("class", _NO_RESULTS_CLASS)],
+        attributes=[
+            ("data-search-select-no-results", ""),
+            ("class", _NO_RESULTS_CLASS),
+        ],
         children=["No results"],
     )
     options_class = _OPTIONS_CLASS if always_visible else _OPTIONS_CLASS + " hidden"
     options_panel = Component(
         tag_name="div",
         attributes=[
-            ("data-ss-options", ""),
+            ("data-search-select-options", ""),
             ("style", f"max-height: {items_visible * _ROW_HEIGHT_REM:.2f}rem"),
             ("class", options_class),
         ],
@@ -228,7 +233,7 @@ def SearchSelect(
     # Multi-select renders a removable Pill per value; single-select renders no
     # pill — the committed label shows inside the search box instead, with a
     # lone hidden input carrying the value. Both keep the hidden input(s) inside
-    # `[data-ss-pills]` so the JS reads/writes values uniformly.
+    # `[data-search-select-pills]` so the JS reads/writes values uniformly.
     pills_children: list[SafeText] = []
     search_value = ""
     if multi_select:
@@ -250,13 +255,13 @@ def SearchSelect(
 
     pills = Component(
         tag_name="div",
-        attributes=[("data-ss-pills", ""), ("class", _PILLS_CLASS)],
+        attributes=[("data-search-select-pills", ""), ("class", _PILLS_CLASS)],
         children=pills_children,
     )
 
     # ── Search box (NO name — the query is never submitted) ──
     search_attrs: list[HTMLAttribute] = [
-        ("data-ss-search", ""),
+        ("data-search-select-search", ""),
         ("type", "text"),
         ("placeholder", placeholder),
         ("autocomplete", "off"),
@@ -332,7 +337,7 @@ def _filter_value_pill(option: SearchSelectOption, kind: str) -> SafeText:
             ("data-pill", ""),
             ("data-value", str(option["value"])),
             ("data-label", option["label"]),
-            ("data-ss-type", kind),
+            ("data-search-select-type", kind),
             *_data_attributes(option["data"]),
         ],
         children=[f"{symbol} ", _label_slot(option["label"]), _filter_remove_button()],
@@ -346,7 +351,7 @@ def _filter_modifier_pill(modifier_value: str, label: str) -> SafeText:
         attributes=[
             ("class", _FILTER_MODIFIER_PILL_CLASS),
             ("data-pill", ""),
-            ("data-ss-modifier", modifier_value),
+            ("data-search-select-modifier", modifier_value),
         ],
         children=[_label_slot(label), _filter_remove_button()],
     )
@@ -357,7 +362,7 @@ def _filter_action_button(action: str, symbol: str, title: str) -> SafeText:
         tag_name="button",
         attributes=[
             ("type", "button"),
-            ("data-ss-action", action),
+            ("data-search-select-action", action),
             ("class", _FILTER_ACTION_BUTTON_CLASS),
             ("title", title),
         ],
@@ -370,7 +375,7 @@ def _filter_option_row(value: str | int, label: str) -> SafeText:
     return Component(
         tag_name="div",
         attributes=[
-            ("data-ss-option", ""),
+            ("data-search-select-option", ""),
             ("data-value", str(value)),
             ("data-label", label),
             ("class", _FILTER_OPTION_ROW_CLASS),
@@ -390,12 +395,12 @@ def _filter_option_row(value: str | int, label: str) -> SafeText:
 
 
 def _filter_modifier_row(modifier_value: str, label: str) -> SafeText:
-    """A pinned pseudo-option row. It carries no ``data-ss-option`` so the text
+    """A pinned pseudo-option row. It carries no ``data-search-select-option`` so the text
     filter never hides it — modifiers stay visible at the top of the panel."""
     return Component(
         tag_name="div",
         attributes=[
-            ("data-ss-modifier-option", modifier_value),
+            ("data-search-select-modifier-option", modifier_value),
             ("data-label", label),
             ("class", _FILTER_MODIFIER_ROW_CLASS),
         ],
@@ -454,13 +459,13 @@ def FilterSelect(
 
     pills = Component(
         tag_name="div",
-        attributes=[("data-ss-pills", ""), ("class", _PILLS_CLASS)],
+        attributes=[("data-search-select-pills", ""), ("class", _PILLS_CLASS)],
         children=pills_children,
     )
 
     # ── Search box (NO name — the query is never submitted) ──
     search_attributes: list[HTMLAttribute] = [
-        ("data-ss-search", ""),
+        ("data-search-select-search", ""),
         ("type", "text"),
         ("placeholder", placeholder),
         ("autocomplete", "off"),
@@ -491,7 +496,7 @@ def FilterSelect(
 
     container_attributes: list[HTMLAttribute] = [
         ("data-search-select", ""),
-        ("data-ss-mode", "filter"),
+        ("data-search-select-mode", "filter"),
         ("data-name", field_name),
         ("data-search-url", search_url),
         ("data-multi", "true"),
diff --git a/games/static/js/filter_bar.js b/games/static/js/filter_bar.js
index 5fe7682..c363565 100644
--- a/games/static/js/filter_bar.js
+++ b/games/static/js/filter_bar.js
@@ -59,10 +59,10 @@
         filter.search = { value: searchInput.value.trim(), modifier: "INCLUDES" };
     }
 
-    // ── FilterSelect widgets (data-ss-mode="filter") ──
+    // ── FilterSelect widgets (data-search-select-mode="filter") ──
     // readSearchSelect serialises each into data-included/data-excluded/data-modifier.
     readSearchSelect(form);
-    var widgets = form.querySelectorAll('[data-search-select][data-ss-mode="filter"]');
+    var widgets = form.querySelectorAll('[data-search-select][data-search-select-mode="filter"]');
     widgets.forEach(function (widget) {
       var field = widget.getAttribute("data-name");
       var included = parseJSONAttr(widget, "data-included");
@@ -86,7 +86,7 @@
 
     // ── Session-specific fields ──
     var pageIsSessions =
-      !!form.querySelector('[data-search-select][data-ss-mode="filter"][data-name="game"]');
+      !!form.querySelector('[data-search-select][data-search-select-mode="filter"][data-name="game"]');
 
     // Emulated checkbox (sessions page)
     var emulated = form.querySelector('[name="filter-emulated"]');
diff --git a/games/static/js/search_select.js b/games/static/js/search_select.js
index 7efa988..1b542ca 100644
--- a/games/static/js/search_select.js
+++ b/games/static/js/search_select.js
@@ -6,18 +6,18 @@
  * focus clears it to search, picking an option fills it), with a lone hidden
  * <input> carrying the value. Both keep hidden inputs so Django validation works.
  *
- * Filter mode (data-ss-mode="filter", rendered by FilterSelect): value rows
+ * Filter mode (data-search-select-mode="filter", rendered by FilterSelect): value rows
  * carry +/− buttons that add include (✓) / exclude (✗) pills, plus pinned
  * modifier pseudo-options ((Any)/(None)) that are mutually exclusive with value
  * pills. Filter widgets have no hidden inputs; readSearchSelect serialises their
  * state into data-included / data-excluded / data-modifier for the filter bar.
  *
  * initAll() runs on DOMContentLoaded + htmx:afterSwap, each widget guarded with
- * element._ssInit.
+ * element._searchSelectInit.
  *
  * Dynamically-added rows and pills are cloned from hidden <template> elements
  * the server renders with the same Python components (Pill / SearchSelect /
- * FilterSelect). The JS only fills in the label slot ([data-ss-label]), value,
+ * FilterSelect). The JS only fills in the label slot ([data-search-select-label]), value,
  * and data-* attributes — so all markup and Tailwind class strings live in one
  * place (the Python components), never duplicated here.
  */
@@ -28,28 +28,28 @@
 
   function initAll() {
     document.querySelectorAll("[data-search-select]").forEach(function (element) {
-      if (element._ssInit) return;
-      element._ssInit = true;
+      if (element._searchSelectInit) return;
+      element._searchSelectInit = true;
       initWidget(element);
     });
   }
 
   function initWidget(container) {
-    var search = container.querySelector("[data-ss-search]");
-    var options = container.querySelector("[data-ss-options]");
-    var pills = container.querySelector("[data-ss-pills]");
+    var search = container.querySelector("[data-search-select-search]");
+    var options = container.querySelector("[data-search-select-options]");
+    var pills = container.querySelector("[data-search-select-pills]");
     if (!search || !options || !pills) return;
 
     var name = container.getAttribute("data-name");
     var searchUrl = container.getAttribute("data-search-url");
-    var isFilter = container.getAttribute("data-ss-mode") === "filter";
+    var isFilter = container.getAttribute("data-search-select-mode") === "filter";
     var multi = container.getAttribute("data-multi") === "true";
     var alwaysVisible = container.getAttribute("data-always-visible") === "true";
     var itemsScroll = parseInt(container.getAttribute("data-items-scroll"), 10) || 10;
     var prefetch = parseInt(container.getAttribute("data-prefetch"), 10) || 0;
     var syncUrl = container.getAttribute("data-sync-url") === "true";
 
-    var noResults = options.querySelector("[data-ss-no-results]");
+    var noResults = options.querySelector("[data-search-select-no-results]");
     var debounceTimer = null;
     var pendingRequest = null; // in-flight AbortController, so newer queries win
     var hasPrefetched = false;
@@ -67,7 +67,7 @@
 
     // ── Render server-fetched rows into the panel ──
     function renderRows(items) {
-      options.querySelectorAll("[data-ss-option]").forEach(function (row) {
+      options.querySelectorAll("[data-search-select-option]").forEach(function (row) {
         row.remove();
       });
       items.slice(0, itemsScroll).forEach(function (item) {
@@ -79,14 +79,14 @@
     // ── Clone a server-rendered <template> prototype by name. The server emits
     //    the mode-appropriate prototypes, so the JS never names a class. ──
     function cloneTemplate(name) {
-      var template = container.querySelector('template[data-ss-template="' + name + '"]');
+      var template = container.querySelector('template[data-search-select-template="' + name + '"]');
       return template
         ? template.content.firstElementChild.cloneNode(true)
         : null;
     }
 
     function setLabel(node, label) {
-      var slot = node.querySelector("[data-ss-label]");
+      var slot = node.querySelector("[data-search-select-label]");
       if (slot) slot.textContent = label;
     }
 
@@ -106,7 +106,7 @@
       row.setAttribute("data-label", option.label);
       applyData(row, option.data);
       setLabel(row, option.label);
-      row._ssOption = option;
+      row._searchSelectOption = option;
       return row;
     }
 
@@ -115,7 +115,7 @@
     function filterRows(query) {
       var lower = query.toLowerCase();
       var visibleCount = 0;
-      options.querySelectorAll("[data-ss-option]").forEach(function (item) {
+      options.querySelectorAll("[data-search-select-option]").forEach(function (item) {
         var label = (item.getAttribute("data-label") || "").toLowerCase();
         var match = label.indexOf(lower) !== -1;
         item.style.display = match ? "" : "none";
@@ -170,13 +170,13 @@
 
     // ── Single-select combobox: the search box shows the committed label;
     //    focusing clears it to search, blurring restores it (or deselects). ──
-    if (!multi) container._ssLabel = search.value;
+    if (!multi) container._searchSelectLabel = search.value;
 
     search.addEventListener("focus", function () {
       if (!multi) {
         // Hide the committed label so the box becomes a fresh search field.
         search.value = "";
-        container._ssDirty = false;
+        container._searchSelectDirty = false;
       }
       showPanel();
       if (searchUrl) {
@@ -194,22 +194,22 @@
       }
     });
     search.addEventListener("input", function () {
-      if (!multi) container._ssDirty = true;
+      if (!multi) container._searchSelectDirty = true;
       runSearch();
     });
     if (!multi) {
       search.addEventListener("blur", function () {
         // Defer so an option click (which fires before blur settles) wins.
         setTimeout(function () {
-          if (container._ssDirty && search.value.trim() === "") {
+          if (container._searchSelectDirty && search.value.trim() === "") {
             // User intentionally cleared the box → deselect.
             pills.innerHTML = "";
-            container._ssLabel = "";
+            container._searchSelectLabel = "";
             emitChange(null);
           } else {
             // Focused-and-left, or typed a partial query without picking →
             // restore the committed label (no-op right after a selection).
-            search.value = container._ssLabel || "";
+            search.value = container._searchSelectLabel || "";
           }
         }, 120);
       });
@@ -226,27 +226,27 @@
         handleFilterOptionClick(e);
         return;
       }
-      var row = event.target.closest("[data-ss-option]");
+      var row = event.target.closest("[data-search-select-option]");
       if (!row) return;
       selectOption(optionFromRow(row));
     });
 
     function handleFilterOptionClick(e) {
       // Pinned modifier pseudo-option → set the (mutually exclusive) modifier.
-      var modifierRow = event.target.closest("[data-ss-modifier-option]");
+      var modifierRow = event.target.closest("[data-search-select-modifier-option]");
       if (modifierRow) {
         setModifier(
-          modifierRow.getAttribute("data-ss-modifier-option"),
+          modifierRow.getAttribute("data-search-select-modifier-option"),
           modifierRow.getAttribute("data-label")
         );
         return;
       }
       // Include / exclude button on a value row.
-      var button = event.target.closest("[data-ss-action]");
+      var button = event.target.closest("[data-search-select-action]");
       if (!button) return;
-      var row = button.closest("[data-ss-option]");
+      var row = button.closest("[data-search-select-option]");
       if (!row) return;
-      addFilterPill(optionFromRow(row), button.getAttribute("data-ss-action"));
+      addFilterPill(optionFromRow(row), button.getAttribute("data-search-select-action"));
     }
 
     // Add (or re-type) an include/exclude pill for a value. Selecting any value
@@ -274,7 +274,7 @@
     function setModifier(modifierValue, label) {
       pills.innerHTML = "";
       var pill = cloneTemplate("pill-modifier");
-      pill.setAttribute("data-ss-modifier", modifierValue);
+      pill.setAttribute("data-search-select-modifier", modifierValue);
       setLabel(pill, label);
       pills.appendChild(pill);
       container.setAttribute("data-modifier", modifierValue);
@@ -283,13 +283,13 @@
     }
 
     function clearModifier() {
-      var modifierPill = pills.querySelector("[data-ss-modifier]");
+      var modifierPill = pills.querySelector("[data-search-select-modifier]");
       if (modifierPill) modifierPill.remove();
       container.removeAttribute("data-modifier");
     }
 
     function optionFromRow(row) {
-      if (row._ssOption) return row._ssOption;
+      if (row._searchSelectOption) return row._searchSelectOption;
       var data = {};
       Object.keys(row.dataset).forEach(function (key) {
         if (key !== "value" && key !== "label" && key !== "ssOption") {
@@ -310,12 +310,12 @@
         }
       } else {
         // Single-select: no pill — show the label in the search box and keep a
-        // lone hidden input under [data-ss-pills] for submission.
+        // lone hidden input under [data-search-select-pills] for submission.
         pills.innerHTML = "";
         pills.appendChild(buildHidden(option.value));
         search.value = option.label;
-        container._ssLabel = option.label;
-        container._ssDirty = false;
+        container._searchSelectLabel = option.label;
+        container._searchSelectDirty = false;
         hidePanel();
       }
       emitChange(option);
@@ -353,7 +353,7 @@
       if (isFilter) {
         // Filter pills have no hidden input; a modifier pill also clears the
         // container flag.
-        if (pill.hasAttribute("data-ss-modifier")) {
+        if (pill.hasAttribute("data-search-select-modifier")) {
           container.removeAttribute("data-modifier");
         }
         pill.remove();
@@ -422,20 +422,20 @@
   // bar to read.
   window.readSearchSelect = function (form) {
     form.querySelectorAll("[data-search-select]").forEach(function (container) {
-      var pills = container.querySelector("[data-ss-pills]");
-      if (container.getAttribute("data-ss-mode") === "filter") {
+      var pills = container.querySelector("[data-search-select-pills]");
+      if (container.getAttribute("data-search-select-mode") === "filter") {
         var included = [];
         var excluded = [];
         var modifier = "";
         if (pills) {
           pills.querySelectorAll("[data-pill]").forEach(function (pill) {
-            var pillModifier = pill.getAttribute("data-ss-modifier");
+            var pillModifier = pill.getAttribute("data-search-select-modifier");
             if (pillModifier) {
               modifier = pillModifier;
               return;
             }
             var value = pill.getAttribute("data-value");
-            if (pill.getAttribute("data-ss-type") === "exclude") {
+            if (pill.getAttribute("data-search-select-type") === "exclude") {
               excluded.push(value);
             } else {
               included.push(value);
diff --git a/tests/test_filter_bars.py b/tests/test_filter_bars.py
index ce89885..5766f94 100644
--- a/tests/test_filter_bars.py
+++ b/tests/test_filter_bars.py
@@ -100,8 +100,8 @@ class FilterBarRenderingTest(TestCase):
                 filter_json=filter_json, preset_list_url="/l", preset_save_url="/s"
             )
         )
-        self.assertIn('data-ss-mode="filter"', html)
-        self.assertIn('data-ss-type="include"', html)  # rendered as an include pill
+        self.assertIn('data-search-select-mode="filter"', html)
+        self.assertIn('data-search-select-type="include"', html)  # rendered as an include pill
         self.assertIn('data-value="f"', html)  # selected status reflected in widget
         self.assertIn("Finished", html)  # ...with its label
         self.assertNoEscapedTags(html)
diff --git a/tests/test_filters.py b/tests/test_filters.py
index 53254af..f25b617 100644
--- a/tests/test_filters.py
+++ b/tests/test_filters.py
@@ -239,7 +239,7 @@ class TestFilterBarRendering:
 
     def test_status_uses_filter_select(self):
         html = str(FilterBar())
-        assert 'data-ss-mode="filter"' in html
+        assert 'data-search-select-mode="filter"' in html
         assert 'data-name="status"' in html
 
     def test_mastered_not_checked_by_default(self):
diff --git a/tests/test_search_select.py b/tests/test_search_select.py
index cae0b45..a1fad56 100644
--- a/tests/test_search_select.py
+++ b/tests/test_search_select.py
@@ -52,7 +52,7 @@ class SearchSelectComponentTest(unittest.TestCase):
 
     def test_empty_options_renders_no_results_scaffold(self):
         html = SearchSelect(name="games")
-        self.assertIn("data-ss-no-results", html)
+        self.assertIn("data-search-select-no-results", html)
         self.assertIn("No results", html)
 
     def test_outer_container_carries_config(self):
@@ -91,13 +91,13 @@ class SearchSelectComponentTest(unittest.TestCase):
 
     def test_search_box_has_no_name(self):
         html = SearchSelect(name="games")
-        self.assertIn("data-ss-search", html)
+        self.assertIn("data-search-select-search", html)
         # container exposes data-name, never a submittable name on the search box
         self.assertEqual(html.count(' name="games"'), 0)
 
     def test_tuple_options_are_normalized(self):
         html = SearchSelect(name="t", options=[("1", "One")])
-        self.assertIn('data-ss-option=""', html)
+        self.assertIn('data-search-select-option=""', html)
         self.assertIn('data-value="1"', html)
         self.assertIn("One", html)
 
@@ -107,27 +107,27 @@ class SearchSelectComponentTest(unittest.TestCase):
         )
         # No pre-rendered rows in the live panel; the row prototype lives only in
         # the cloneable <template>.
-        panel = html.split("data-ss-template")[0]
-        self.assertNotIn('data-ss-option=""', panel)
-        self.assertIn('data-ss-template="row"', html)
+        panel = html.split("data-search-select-template")[0]
+        self.assertNotIn('data-search-select-option=""', panel)
+        self.assertIn('data-search-select-template="row"', html)
 
     def test_templates_carry_label_slot_for_js_cloning(self):
-        # The dynamic shapes the JS clones expose a [data-ss-label] slot so the JS
+        # The dynamic shapes the JS clones expose a [data-search-select-label] slot so the JS
         # only fills text — classes/structure stay server-side.
         html = SearchSelect(name="t", search_url="/api/games/search", multi_select=True)
-        self.assertIn('data-ss-template="row"', html)
-        self.assertIn('data-ss-template="pill"', html)
-        self.assertIn("data-ss-label", html)
+        self.assertIn('data-search-select-template="row"', html)
+        self.assertIn('data-search-select-template="pill"', html)
+        self.assertIn("data-search-select-label", html)
 
     def test_shell_region_order_pills_search_options(self):
         # The shared shell assembles the three regions in a fixed order; option
         # rows precede the trailing no-results node inside the options panel.
         html = SearchSelect(name="t", options=[("1", "One")])
-        pills = html.index("data-ss-pills")
-        search = html.index("data-ss-search")
-        options = html.index("data-ss-options")
-        option_row = html.index('data-ss-option=""')
-        no_results = html.index("data-ss-no-results")
+        pills = html.index("data-search-select-pills")
+        search = html.index("data-search-select-search")
+        options = html.index("data-search-select-options")
+        option_row = html.index('data-search-select-option=""')
+        no_results = html.index("data-search-select-no-results")
         self.assertLess(pills, search)
         self.assertLess(search, options)
         self.assertLess(options, option_row)
@@ -144,15 +144,15 @@ class FilterSelectComponentTest(unittest.TestCase):
         html = FilterSelect(field_name="type")
         # Reuses the SearchSelect shell (data-search-select) but flags filter mode.
         self.assertIn("data-search-select", html)
-        self.assertIn('data-ss-mode="filter"', html)
+        self.assertIn('data-search-select-mode="filter"', html)
         self.assertIn('data-name="type"', html)
         # No name is submitted — state is read from the DOM into the filter JSON.
         self.assertEqual(html.count(' name="type"'), 0)
 
     def test_value_rows_have_include_exclude_buttons(self):
         html = FilterSelect(field_name="type", options=[("g", "Game")])
-        self.assertIn('data-ss-action="include"', html)
-        self.assertIn('data-ss-action="exclude"', html)
+        self.assertIn('data-search-select-action="include"', html)
+        self.assertIn('data-search-select-action="exclude"', html)
         self.assertIn('data-value="g"', html)
 
     def test_included_renders_check_pill_excluded_renders_cross_pill(self):
@@ -162,22 +162,22 @@ class FilterSelectComponentTest(unittest.TestCase):
             included=[("1", "Steam")],
             excluded=[("2", "GOG")],
         )
-        # Labels live in a [data-ss-label] slot (so JS can fill clones); the ✓/✗
+        # Labels live in a [data-search-select-label] slot (so JS can fill clones); the ✓/✗
         # symbol is a sibling text node.
-        self.assertIn('data-ss-type="include"', html)
+        self.assertIn('data-search-select-type="include"', html)
         self.assertIn("✓", html)
         self.assertIn(">Steam</span>", html)
-        self.assertIn('data-ss-type="exclude"', html)
+        self.assertIn('data-search-select-type="exclude"', html)
         self.assertIn("✗", html)
         self.assertIn(">GOG</span>", html)
         self.assertIn("line-through", html)  # excluded pill styling
 
     def test_modifier_options_render_pinned_rows(self):
         html = FilterSelect(field_name="platform", modifier_options=self.MODIFIERS)
-        # Pinned pseudo-options carry data-ss-modifier-option, never data-ss-option,
+        # Pinned pseudo-options carry data-search-select-modifier-option, never data-search-select-option,
         # so the text filter leaves them visible.
-        self.assertIn('data-ss-modifier-option="NOT_NULL"', html)
-        self.assertIn('data-ss-modifier-option="IS_NULL"', html)
+        self.assertIn('data-search-select-modifier-option="NOT_NULL"', html)
+        self.assertIn('data-search-select-modifier-option="IS_NULL"', html)
 
     def test_active_modifier_replaces_value_pills(self):
         html = FilterSelect(
@@ -189,11 +189,11 @@ class FilterSelectComponentTest(unittest.TestCase):
         )
         # The lone modifier pill is shown; include/exclude pills are suppressed.
         # (Scope the check to the live pills region — the cloneable pill <template>s
-        # legitimately contain data-ss-type.)
-        pills_region = html.split("data-ss-template")[0]
-        self.assertIn('data-ss-modifier="IS_NULL"', html)
+        # legitimately contain data-search-select-type.)
+        pills_region = html.split("data-search-select-template")[0]
+        self.assertIn('data-search-select-modifier="IS_NULL"', html)
         self.assertIn("(None)", html)
-        self.assertNotIn('data-ss-type="include"', pills_region)
+        self.assertNotIn('data-search-select-type="include"', pills_region)
         self.assertIn('data-modifier="IS_NULL"', html)  # container carries it too
 
     def test_search_url_omits_value_rows_but_keeps_modifiers(self):
@@ -205,10 +205,10 @@ class FilterSelectComponentTest(unittest.TestCase):
         )
         # No value rows in the live panel (they're fetched); the row prototype
         # lives only in a <template>.
-        panel = html.split("data-ss-template")[0]
-        self.assertNotIn('data-ss-option=""', panel)
-        self.assertIn('data-ss-template="row"', html)
-        self.assertIn('data-ss-modifier-option="NOT_NULL"', html)  # still pinned
+        panel = html.split("data-search-select-template")[0]
+        self.assertNotIn('data-search-select-option=""', panel)
+        self.assertIn('data-search-select-template="row"', html)
+        self.assertIn('data-search-select-modifier-option="NOT_NULL"', html)  # still pinned
         self.assertIn('data-prefetch="20"', html)
 
     def test_search_url_pills_use_resolved_labels(self):