fix: replace inline save banners with toast notifications

packages/web/src/components/modals/SpaceSettings.tsx

@@ -23,9 +23,9 @@ function DiscoveryPanel({ spaceId }: { spaceId: string }) {
     (space?.visibility as SpaceVisibility) ?? 'private'
   );
   const [description, setDescription] = useState(space?.description ?? '');
+  const addToast = useUIStore((s) => s.addToast);
   const [saving, setSaving] = useState(false);
   const [saveError, setSaveError] = useState('');
-  const [saveSuccess, setSaveSuccess] = useState(false);
 
   useEffect(() => {
     if (space) {
@@ -43,11 +43,9 @@ function DiscoveryPanel({ spaceId }: { spaceId: string }) {
   const handleSave = async () => {
     setSaving(true);
     setSaveError('');
-    setSaveSuccess(false);
     try {
       await api.spaces.update(spaceId, { visibility, description: description.trim() });
-      setSaveSuccess(true);
+      addToast('Settings saved', 'success', 2000);
-      setTimeout(() => setSaveSuccess(false), 2000);
     } catch (err) {
       setSaveError(err instanceof Error ? err.message : 'Failed to save');
     } finally {
@@ -126,10 +124,6 @@ function DiscoveryPanel({ spaceId }: { spaceId: string }) {
       {saveError && (
         <div className="p-2 bg-accent-rose/10 border border-accent-rose/30 rounded text-txt-danger text-sm">{saveError}</div>
       )}
-      {saveSuccess && (
-        <div className="p-2 bg-status-online/10 border border-status-online/30 rounded text-status-online text-sm">Settings saved</div>
-      )}
-
       {/* Pending Join Requests — only shown when visibility is 'request' */}
       {(visibility === 'request' || (space.visibility as SpaceVisibility) === 'request') && (
         <JoinRequestsSection spaceId={spaceId} />

packages/web/src/components/modals/instanceSettingsPanels/GeneralPanel.tsx

@@ -1,5 +1,6 @@
 import { useState, useEffect } from 'react';
 import { useSettingsStore } from '../../../stores/settingsStore';
+import { useUIStore } from '../../../stores/uiStore';
 import { Toggle } from '../../ui/Toggle';
 import type { InstanceAdminSettings } from '@backspace/shared';
 
@@ -7,10 +8,11 @@ export function GeneralPanel() {
   const instanceSettings = useSettingsStore((s) => s.instanceSettings);
   const updateInstanceSettings = useSettingsStore((s) => s.updateInstanceSettings);
 
+  const addToast = useUIStore((s) => s.addToast);
+
   const [draft, setDraft] = useState<InstanceAdminSettings | null>(null);
   const [saving, setSaving] = useState(false);
   const [saveError, setSaveError] = useState('');
-  const [saveSuccess, setSaveSuccess] = useState(false);
   const [gifKeyDirty, setGifKeyDirty] = useState(false);
   const [gifKeyDraft, setGifKeyDraft] = useState('');
 
@@ -34,7 +36,6 @@ export function GeneralPanel() {
   const handleSave = async () => {
     setSaving(true);
     setSaveError('');
-    setSaveSuccess(false);
     try {
       const payload: Partial<InstanceAdminSettings> = {
         instanceName: draft!.instanceName,
@@ -47,8 +48,7 @@ export function GeneralPanel() {
       await updateInstanceSettings(payload);
       setGifKeyDirty(false);
       setGifKeyDraft('');
-      setSaveSuccess(true);
+      addToast('Settings saved', 'success', 2000);
-      setTimeout(() => setSaveSuccess(false), 2000);
     } catch (err) {
       setSaveError(err instanceof Error ? err.message : 'Failed to save');
     } finally {
@@ -151,10 +151,6 @@ export function GeneralPanel() {
       {saveError && (
         <div className="p-2 bg-accent-rose/10 border border-accent-rose/30 rounded text-txt-danger text-sm">{saveError}</div>
       )}
-      {saveSuccess && (
-        <div className="p-2 bg-status-online/10 border border-status-online/30 rounded text-status-online text-sm">Settings saved</div>
-      )}
-
       {/* Save / Reset bar */}
       {hasChanges && (
         <div className="sticky bottom-0 z-10 pointer-events-none">

packages/web/src/components/modals/instanceSettingsPanels/StreamingPanel.tsx

@@ -1,5 +1,6 @@
 import { useState, useEffect, useRef } from 'react';
 import { useSettingsStore } from '../../../stores/settingsStore';
+import { useUIStore } from '../../../stores/uiStore';
 import type { InstanceStreamingLimits } from '@backspace/shared';
 import {
   STANDARD_RESOLUTIONS, STANDARD_FRAMERATES,
@@ -19,10 +20,12 @@ export function StreamingPanel() {
   const limits = useSettingsStore((s) => s.streamingLimits);
   const updateStreamingLimits = useSettingsStore((s) => s.updateStreamingLimits);
 
+  const addToast = useUIStore((s) => s.addToast);
+
   const [draft, setDraft] = useState<InstanceStreamingLimits | null>(null);
   const [saving, setSaving] = useState(false);
   const [saveError, setSaveError] = useState('');
-  const [saveSuccess, setSaveSuccess] = useState(false);
+
 
   // Matrix editor state: full grid of kbps values (integers only)
   const [matrixDraft, setMatrixDraft] = useState<Record<string, number>>({});
@@ -93,7 +96,6 @@ export function StreamingPanel() {
   const handleSave = async () => {
     setSaving(true);
     setSaveError('');
-    setSaveSuccess(false);
     try {
       // Compute sparse overrides: only cells that differ from defaults
       const overrides: Record<string, number> = {};
@@ -107,8 +109,7 @@ export function StreamingPanel() {
         bitrateMatrixOverrides: Object.keys(overrides).length > 0 ? overrides : null,
       };
       await updateStreamingLimits(payload);
-      setSaveSuccess(true);
+      addToast('Settings saved', 'success', 2000);
-      setTimeout(() => setSaveSuccess(false), 2000);
     } catch (err) {
       setSaveError(err instanceof Error ? err.message : 'Failed to save');
     } finally {
@@ -486,9 +487,6 @@ export function StreamingPanel() {
       {saveError && (
         <div className="p-2 bg-accent-rose/10 border border-accent-rose/30 rounded text-txt-danger text-sm">{saveError}</div>
       )}
-      {saveSuccess && (
-        <div className="p-2 bg-status-online/10 border border-status-online/30 rounded text-status-online text-sm">Settings saved</div>
-      )}
       {hasChanges && (
         <div className="sticky bottom-0 z-10 pointer-events-none">
           <div className="flex justify-center pt-3 pb-1">

packages/web/src/components/modals/spaceSettingsPanels/OverviewPanel.tsx

@@ -47,7 +47,6 @@ export function OverviewPanel({ spaceId }: OverviewPanelProps) {
 
   const [saving, setSaving] = useState(false);
   const [saveError, setSaveError] = useState('');
-  const [saveSuccess, setSaveSuccess] = useState(false);
   const [confirmDelete, setConfirmDelete] = useState(false);
   const fileInputRef = useRef<HTMLInputElement>(null);
 
@@ -174,7 +173,6 @@ export function OverviewPanel({ spaceId }: OverviewPanelProps) {
   const handleSave = async () => {
     setSaving(true);
     setSaveError('');
-    setSaveSuccess(false);
     try {
       const updates: { name?: string; icon?: string; banner?: string; avatarColor?: string } = {};
       if (hasNameChange) updates.name = spaceName.trim();
@@ -198,8 +196,7 @@ export function OverviewPanel({ spaceId }: OverviewPanelProps) {
         URL.revokeObjectURL(bannerPreview);
         setBannerPreview(null);
       }
-      setSaveSuccess(true);
+      addToast('Settings saved', 'success', 2000);
-      setTimeout(() => setSaveSuccess(false), 2000);
     } catch (err) {
       setSaveError(err instanceof Error ? err.message : 'Failed to save');
     } finally {
@@ -449,9 +446,6 @@ export function OverviewPanel({ spaceId }: OverviewPanelProps) {
         {saveError && (
           <div className="p-2 bg-accent-rose/10 border border-accent-rose/30 rounded text-txt-danger text-sm">{saveError}</div>
         )}
-        {saveSuccess && (
-          <div className="p-2 bg-status-online/10 border border-status-online/30 rounded text-status-online text-sm">Settings saved</div>
-        )}
         {/* Danger Zone */}
         {isOwner && (
           <div>

packages/web/src/components/modals/spaceSettingsPanels/RolesPanel.tsx

@@ -1,5 +1,6 @@
 import React, { useState, useRef, useEffect } from 'react';
 import { useSpaceStore } from '../../../stores/spaceStore';
+import { useUIStore } from '../../../stores/uiStore';
 import { api } from '../../../api/client';
 import { PermissionBits, stringToPermissions, permissionsToString } from '../../../utils/permissions';
 import type { Role } from '@backspace/shared';
@@ -227,10 +228,10 @@ function RoleEditView({ role, spaceId, isNew, onBack, onDeleted, onCopied }: Rol
   const [draftPermissions, setDraftPermissions] = useState<bigint>(
     stringToPermissions(role.permissions)
   );
+  const addToast = useUIStore((s) => s.addToast);
   const [saving, setSaving] = useState(false);
   const [deleting, setDeleting] = useState(false);
   const [saveError, setSaveError] = useState('');
-  const [saveSuccess, setSaveSuccess] = useState(false);
   const [confirmDelete, setConfirmDelete] = useState(false);
 
   const hasNameChange = !isEveryone && draftName.trim() !== role.name;
@@ -246,7 +247,6 @@ function RoleEditView({ role, spaceId, isNew, onBack, onDeleted, onCopied }: Rol
     setConfirmDelete(false);
     setSaving(true);
     setSaveError('');
-    setSaveSuccess(false);
     try {
       const data: { name?: string; color?: string; permissions?: string } = {};
       if (hasNameChange) data.name = draftName.trim();
@@ -254,8 +254,7 @@ function RoleEditView({ role, spaceId, isNew, onBack, onDeleted, onCopied }: Rol
       if (hasPermChange) data.permissions = permissionsToString(draftPermissions);
       await api.roles.update(spaceId, role.id, data);
       await loadSpaceDetail(spaceId);
-      setSaveSuccess(true);
+      addToast('Role saved', 'success', 2000);
-      setTimeout(() => setSaveSuccess(false), 2000);
     } catch (err) {
       const msg = err instanceof Error ? err.message : 'Failed to save role';
       if (msg.includes('already exists')) {
@@ -451,9 +450,6 @@ function RoleEditView({ role, spaceId, isNew, onBack, onDeleted, onCopied }: Rol
       {saveError && (
         <div className="p-2 bg-accent-rose/10 border border-accent-rose/30 rounded text-txt-danger text-sm">{saveError}</div>
       )}
-      {saveSuccess && (
-        <div className="p-2 bg-status-online/10 border border-status-online/30 rounded text-status-online text-sm">Role saved</div>
-      )}
       <div className="sticky bottom-0 z-10 pointer-events-none">
           <div className="flex justify-center pt-3 pb-1">
             <div className={`glass-bubble rounded-full px-4 py-2 flex items-center gap-2 pointer-events-auto${