fix(analytics): measure completed catalog searches, not first keystrokes

apps.html

@@ -1424,7 +1424,7 @@ <h3>Chaos - Stranger Missions</h3>
       ai: ['debate-me','voice-memo','future-me','date-pilot','global-news','pantry-ai','name-maker','idea-market','life-trace']
     };
     const clean = value => value.normalize('NFKC').toLocaleLowerCase().trim();
-    let goal = 'all', loggedSearch = false;
+    let goal = 'all', lastReportedSearch = '';
     const slug = card => {
       const src = card.querySelector('img')?.getAttribute('src') || '';
       return src.split('/').pop()?.replace(/\.png$/, '') || '';
@@ -1448,19 +1448,25 @@ <h3>Chaos - Stranger Missions</h3>
       empty.hidden = shown !== 0;
       return shown;
     }
-    input.addEventListener('input', () => {
-      const shown = render();
-      // Search strings might include personal details. Never transmit them.
-      if (input.value.trim() && !loggedSearch) {
-        fire('catalog_search_used', {results: shown, search_length_band: input.value.length < 5 ? 'short' : 'long'});
-        loggedSearch = true;
-      }
-      if (!input.value.trim()) loggedSearch = false;
+    // Do not report the unfinished first keystroke as a completed search.
+    // Keep query text local; GA4 receives only a coarse length bucket and result count.
+    const reportSearch = () => {
+      const query = clean(input.value);
+      if (!query || query === lastReportedSearch) return;
+      fire('catalog_search_used', {
+        results: render(), search_length_band: query.length < 5 ? 'short' : 'long'
+      });
+      lastReportedSearch = query;
+    };
+    input.addEventListener('input', render);
+    input.addEventListener('blur', reportSearch);
+    input.addEventListener('keydown', event => {
+      if (event.key === 'Enter') reportSearch();
     });
     reset.addEventListener('click', () => {
       input.value = '';
       goal = 'all';
-      loggedSearch = false;
+      lastReportedSearch = '';
       buttons.forEach(button => button.setAttribute('aria-pressed', String(button.dataset.goal === 'all')));
       render();
       input.focus();

scripts/check_growth_live.py

@@ -74,6 +74,13 @@ def check(path, key, valid):
     check("/apps", "no_stale_live_store_claim", "92 free apps on Google Play" not in catalog)
     check("/apps", "store_click_tracking", "catalog_store_click" in catalog and "download_click" in catalog)
     check("/apps", "detail_click_tracking", "catalog_app_detail_click" in catalog)
+    check("/apps", "finalized_search_analytics",
+          "input.addEventListener('input', render)" in catalog and
+          "input.addEventListener('blur', reportSearch)" in catalog and
+          "if (event.key === 'Enter') reportSearch()" in catalog and
+          "query === lastReportedSearch" in catalog and
+          "lastReportedSearch = query" in catalog and
+          "loggedSearch" not in catalog)
     check("/apps", "search_includes_app_slug",
           "const app = slug(card), content = clean((card.textContent || '') + ' ' + app" in catalog
           and "app.replace(/-/g, ' ')" in catalog)

scripts/test_growth_live.py

@@ -26,6 +26,9 @@ def valid_pages():
     pages["/apps"] = (
         '<script type="application/ld+json">' + json.dumps(listing) + '</script>' +
         cards + " catalog_store_click download_click catalog_app_detail_click " +
+        "input.addEventListener('input', render) input.addEventListener('blur', reportSearch) " +
+        "if (event.key === 'Enter') reportSearch() query === lastReportedSearch " +
+        "lastReportedSearch = query " +
         "const app = slug(card), content = clean((card.textContent || '') + ' ' + app; app.replace(/-/g, ' ')" +
         'id="finder-reset" reset.addEventListener(\'click\' input.value = \'\' goal = \'all\' render(); catalog_search_reset ' +
         " ".join(f'<a href="/support/{slug}/" data-detail-app="{slug}">' for slug in SLUGS)
@@ -187,6 +190,24 @@ def test_store_schema_package_mismatch_fails(self):
             "id=jp.appdevelopsk.testapp1", "id=jp.appdevelopsk.unlisted", 1)
         self.assertFalse(inspect(data)["passed"])
 
+    def test_first_keystroke_analytics_rejected(self):
+        data = valid_pages()
+        data["/apps"] = data["/apps"].replace(
+            "input.addEventListener('input', render)",
+            "input.addEventListener('input', reportSearch)")
+        self.assertFalse(inspect(data)["passed"])
+
+    def test_missing_blur_search_reporting_rejected(self):
+        data = valid_pages()
+        data["/apps"] = data["/apps"].replace(
+            "input.addEventListener('blur', reportSearch)", "")
+        self.assertFalse(inspect(data)["passed"])
+
+    def test_repeated_search_reporting_rejected(self):
+        data = valid_pages()
+        data["/apps"] = data["/apps"].replace("query === lastReportedSearch", "")
+        self.assertFalse(inspect(data)["passed"])
+
     def test_missing_slug_search_fails(self):
         data = valid_pages()
         data["/apps"] = data["/apps"].replace(