feat(scroll): implement instant scroll-to-bottom behavior for chat messages (#438)

pnpm-lock.yaml

@@ -195,6 +195,9 @@ importers:
       typescript:
         specifier: ^5.9.3
         version: 5.9.3
+      use-stick-to-bottom:
+        specifier: ^1.1.3
+        version: 1.1.3(react@19.2.4)
       vite:
         specifier: ^7.3.1
         version: 7.3.1(@types/node@25.3.0)(jiti@1.21.7)(yaml@2.8.2)
@@ -6373,6 +6376,11 @@ packages:
       '@types/react':
         optional: true
 
+  use-stick-to-bottom@1.1.3:
+    resolution: {integrity: sha512-GgRLdeGhxBxpcbrBbEIEoOKUQ9d46/eaSII+wyv1r9Du+NbCn1W/OE+VddefvRP4+5w/1kATN/6g2/BAC/yowQ==}
+    peerDependencies:
+      react: ^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0
+
   use-sync-external-store@1.6.0:
     resolution: {integrity: sha512-Pp6GSwGP/NrPIrxVFAIkOQeyw8lFenOHijQWkUTrDvrF4ALqylP2C/KCkeS9dpUM3KvYRQhna5vt7IL95+ZQ9w==}
     peerDependencies:
@@ -14192,6 +14200,10 @@ snapshots:
     optionalDependencies:
       '@types/react': 19.2.14
 
+  use-stick-to-bottom@1.1.3(react@19.2.4):
+    dependencies:
+      react: 19.2.4
+
   use-sync-external-store@1.6.0(react@19.2.4):
     dependencies:
       react: 19.2.4