fix: stabilize mini app mobile navigation

backend/bot/app/web/webapp/assets.py

@@ -1474,7 +1474,7 @@ def _resolve_hashed_js_asset_name(*, kind: str, base_name: str) -> str:
     if minified_assets:
         minified_assets.sort(reverse=True)
         return _set_cached_asset_name(kind, minified_assets[0][1])
-    return _set_cached_asset_name(kind, f"{base_name}.js")
+    return _set_cached_asset_name(kind, _stable_asset_name_with_version(f"{base_name}.js"))
 
 
 def _resolve_webapp_css_asset_name() -> str:
@@ -1506,7 +1506,19 @@ def _resolve_hashed_css_asset_name(*, kind: str, base_name: str) -> str:
     if hashed_assets:
         hashed_assets.sort(reverse=True)
         return _set_cached_asset_name(kind, hashed_assets[0][1])
-    return _set_cached_asset_name(kind, f"{base_name}.css")
+    return _set_cached_asset_name(kind, _stable_asset_name_with_version(f"{base_name}.css"))
+
+
+def _stable_asset_name_with_version(filename: str) -> str:
+    path = ASSET_DIR / filename
+    try:
+        stat = path.stat()
+    except OSError:
+        return filename
+
+    raw_version = f"{filename}:{int(stat.st_mtime_ns)}:{int(stat.st_size)}"
+    version = hashlib.sha256(raw_version.encode("utf-8")).hexdigest()[:8]
+    return f"{filename}?v={version}"
 
 
 def _get_cached_asset_name(kind: str) -> Optional[str]:

frontend/src/styles/webapp.css

@@ -2154,8 +2154,11 @@ a {
   display: grid;
   grid-template-columns: repeat(var(--bottom-nav-visible-items, 3), minmax(0, 1fr));
   grid-auto-flow: column;
+  grid-auto-columns: minmax(0, 1fr);
+  grid-auto-rows: 1fr;
+  height: var(--bottom-nav-height);
   gap: 2px;
-  min-height: 64px;
+  min-height: var(--bottom-nav-height);
   overflow: hidden;
   border: 1px solid var(--border);
   border-radius: var(--radius);
@@ -2174,7 +2177,11 @@ a {
 
 .bottom-nav button {
   display: grid;
+  grid-template-rows: 22px minmax(0, 12px);
+  width: 100%;
+  height: 100%;
   min-width: 0;
+  min-height: 0;
   place-items: center;
   align-content: center;
   gap: 4px;
@@ -2185,6 +2192,13 @@ a {
   font-weight: 800;
   overflow: hidden;
   padding: 6px 2px;
+  line-height: 1;
+}
+
+.bottom-nav button > svg {
+  width: 21px;
+  height: 21px;
+  min-width: 0;
 }
 
 .bottom-nav button.active {
@@ -2193,10 +2207,12 @@ a {
 
 .bottom-nav .bottom-nav-label {
   display: block;
+  width: 100%;
   max-width: 100%;
   overflow: hidden;
   text-overflow: ellipsis;
   white-space: nowrap;
+  font-size: 10px;
   line-height: 1.1;
 }
 
@@ -2204,12 +2220,40 @@ a {
   display: none !important;
 }
 
+@media (max-width: 460px) {
+  .bottom-nav.bottom-nav-many {
+    height: 58px;
+    min-height: 58px;
+  }
+
+  .bottom-nav.bottom-nav-many button {
+    grid-template-rows: 1fr;
+    gap: 0;
+    padding: 0 2px;
+  }
+
+  .bottom-nav.bottom-nav-many .bottom-nav-label {
+    display: none;
+  }
+
+  .bottom-nav.bottom-nav-many .nav-attention-dot {
+    top: 8px;
+    right: calc(50% - 18px);
+  }
+
+  .bottom-nav.bottom-nav-many .nav-badge-floating {
+    top: 6px;
+    right: calc(50% - 24px);
+  }
+}
+
 @media (max-width: 380px) {
   .bottom-nav.bottom-nav-many {
     min-height: 58px;
   }
 
   .bottom-nav.bottom-nav-many button {
+    grid-template-rows: 1fr;
     gap: 0;
     padding: 0 2px;
   }
@@ -2231,10 +2275,12 @@ a {
 
 @media (max-width: 360px) {
   .bottom-nav {
+    height: 56px;
     min-height: 56px;
   }
 
   .bottom-nav button {
+    grid-template-rows: 1fr;
     gap: 0;
     padding: 0 2px;
   }
@@ -3149,6 +3195,7 @@ a {
     display: grid !important;
     grid-template-columns: 22px 1fr !important;
     grid-template-rows: auto !important;
+    height: auto !important;
     align-items: center !important;
     justify-items: start !important;
     gap: 12px !important;

tests/test_webapp_assets.py

@@ -335,6 +335,15 @@ class WebAppAssetTests(unittest.IsolatedAsyncioTestCase):
         self.assertIn("<title>Subscription</title>", html)
         self.assertLess(html.index("/subscription_webapp.css"), html.index("WEBAPP_JS_SCRIPT"))
 
+    def test_mobile_bottom_nav_many_items_uses_compact_phone_layout(self):
+        css_path = Path(__file__).resolve().parents[1] / "frontend/src/styles/webapp.css"
+        css = css_path.read_text(encoding="utf-8")
+
+        self.assertIn("@media (max-width: 460px)", css)
+        self.assertIn(".bottom-nav.bottom-nav-many", css)
+        self.assertIn(".bottom-nav.bottom-nav-many .bottom-nav-label", css)
+        self.assertIn("display: none;", css)
+
     def test_https_webapp_logo_uses_same_origin_proxy(self):
         settings = SimpleNamespace(WEBAPP_LOGO_URL="https://cdn.example.com/logo.png")
 
@@ -981,6 +990,25 @@ class WebAppAssetTests(unittest.IsolatedAsyncioTestCase):
                     "subscription_webapp.min.22222222.js",
                 )
 
+    def test_resolve_webapp_asset_names_version_stable_fallbacks(self):
+        with tempfile.TemporaryDirectory() as tmpdir:
+            asset_dir = Path(tmpdir)
+            (asset_dir / "subscription_webapp.js").write_text(
+                "console.log('fallback');", encoding="utf-8"
+            )
+            (asset_dir / "subscription_webapp.css").write_text(".app{color:red}", encoding="utf-8")
+
+            with patch.object(webapp_assets, "ASSET_DIR", asset_dir):
+                webapp_assets._ASSET_NAME_CACHE.clear()
+                self.assertRegex(
+                    subscription_webapp._resolve_webapp_js_asset_name(),
+                    r"^subscription_webapp\.js\?v=[0-9a-f]{8}$",
+                )
+                self.assertRegex(
+                    subscription_webapp._resolve_webapp_css_asset_name(),
+                    r"^subscription_webapp\.css\?v=[0-9a-f]{8}$",
+                )
+
     def test_resolve_webapp_admin_asset_names_use_stable_runtime_builds(self):
         with tempfile.TemporaryDirectory() as tmpdir:
             asset_dir = Path(tmpdir)