From 57e1aa658a516925c5d6b9263eda91eaf753dc7c Mon Sep 17 00:00:00 2001
From: Sean O'Connor <sean@soconnor.dev>
Date: Mon, 29 Jun 2026 17:58:50 -0400
Subject: [PATCH] Stabilize mobile auth session handling

---
 app.json                                     |   2 +-
 app/(app)/entities/index.tsx                 | 126 ++++++---
 app/(app)/index.tsx                          |  39 ++-
 app/(app)/invoices/[id].tsx                  |  57 ++--
 app/(app)/invoices/edit/[id].tsx             |  10 +
 app/(app)/invoices/index.tsx                 | 120 +++++++--
 app/(app)/invoices/new.tsx                   |  10 +
 app/(app)/invoices/send/[id].tsx             |  11 +-
 app/(app)/settings.tsx                       |  11 +-
 app/(auth)/register.tsx                      |   7 +-
 app/(auth)/sign-in.tsx                       |  10 +-
 app/_layout.tsx                              |  29 +-
 components/AccountSwitcher.tsx               |   3 +-
 components/SessionSync.tsx                   |  33 ++-
 components/invoices/LineItemEditor.tsx       |  34 ++-
 components/time-clock/TimeClockPanel.tsx     | 212 +++++++++++----
 components/time-clock/TimeEntryEditSheet.tsx | 267 +++++++++++++++++++
 lib/account-actions.ts                       |  17 +-
 lib/auth-api.ts                              |  14 +-
 lib/auth-cookie.ts                           |  55 ++++
 lib/auth-session.ts                          |  60 +++++
 lib/auth-storage.ts                          |   2 +
 lib/query-client.ts                          |  10 +-
 lib/trpc-errors.ts                           | 119 ++++++++-
 lib/trpc.tsx                                 |  60 ++++-
 25 files changed, 1126 insertions(+), 192 deletions(-)
 create mode 100644 components/time-clock/TimeEntryEditSheet.tsx
 create mode 100644 lib/auth-cookie.ts
 create mode 100644 lib/auth-session.ts

diff --git a/app.json b/app.json
index 41833f5..2322639 100644
--- a/app.json
+++ b/app.json
@@ -10,7 +10,7 @@
     "ios": {
       "supportsTablet": true,
       "bundleIdentifier": "com.beenvoice.app",
-      "buildNumber": "13",
+      "buildNumber": "17",
       "icon": "./assets/beenvoice.icon",
       "infoPlist": {
         "ITSAppUsesNonExemptEncryption": false,
diff --git a/app/(app)/entities/index.tsx b/app/(app)/entities/index.tsx
index f79f95c..0778aba 100644
--- a/app/(app)/entities/index.tsx
+++ b/app/(app)/entities/index.tsx
@@ -1,6 +1,7 @@
 import { router } from "expo-router";
 import { useState } from "react";
 import {
+  Alert,
   Pressable,
   RefreshControl,
   ScrollView,
@@ -15,6 +16,7 @@ import { FloatingActionButton } from "@/components/FloatingActionButton";
 import { GlassSurface } from "@/components/GlassSurface";
 import { LoadingScreen } from "@/components/LoadingScreen";
 import { PageHeader } from "@/components/PageHeader";
+import { SwipeableRow } from "@/components/SwipeableRow";
 import { TabPage } from "@/components/TabPage";
 import { TabScrollView } from "@/components/TabScrollView";
 import { fonts, spacing } from "@/constants/theme";
@@ -38,6 +40,12 @@ export default function EntitiesScreen() {
 
   const clientsQuery = api.clients.getAll.useQuery();
   const businessesQuery = api.businesses.getAll.useQuery();
+  const deleteClient = api.clients.delete.useMutation({
+    onSuccess: () => void clientsQuery.refetch(),
+  });
+  const deleteBusiness = api.businesses.delete.useMutation({
+    onSuccess: () => void businessesQuery.refetch(),
+  });
 
   const activeQuery = tab === "clients" ? clientsQuery : businessesQuery;
   const isLoading =
@@ -68,6 +76,20 @@ export default function EntitiesScreen() {
     else void businessesQuery.refetch();
   }
 
+  function confirmDelete(id: string, name: string) {
+    Alert.alert(`Delete ${tab === "clients" ? "client" : "business"}?`, `Remove ${name}?`, [
+      { text: "Cancel", style: "cancel" },
+      {
+        text: "Delete",
+        style: "destructive",
+        onPress: () => {
+          if (tab === "clients") deleteClient.mutate({ id });
+          else deleteBusiness.mutate({ id });
+        },
+      },
+    ]);
+  }
+
   return (
     <AppBackground>
       <TabPage>
@@ -112,25 +134,45 @@ export default function EntitiesScreen() {
               </View>
             ) : (
               clients.map((client) => (
-                <Pressable
+                <SwipeableRow
                   key={client.id}
-                  onPress={() => router.push(`/(app)/entities/clients/${client.id}`)}
+                  backgroundColor={colors.cardGlass}
+                  actions={[
+                    {
+                      key: "edit",
+                      label: "Edit",
+                      icon: "create-outline",
+                      color: "#fff",
+                      backgroundColor: colors.primary,
+                      onPress: () => router.push(`/(app)/entities/clients/edit/${client.id}`),
+                    },
+                    {
+                      key: "delete",
+                      label: "Delete",
+                      icon: "trash-outline",
+                      color: "#fff",
+                      backgroundColor: colors.destructive,
+                      onPress: () => confirmDelete(client.id, client.name),
+                    },
+                  ]}
                 >
-                  <GlassSurface style={styles.card}>
-                    <View style={styles.cardInner}>
-                      <Text style={styles.name}>{client.name}</Text>
-                      {client.email ? (
-                        <Text style={styles.meta}>{client.email}</Text>
-                      ) : null}
-                      {client.defaultHourlyRate != null ? (
-                        <Text style={styles.meta}>
-                          {formatCurrency(client.defaultHourlyRate, client.currency ?? "USD")}
-                          /hr
-                        </Text>
-                      ) : null}
-                    </View>
-                  </GlassSurface>
-                </Pressable>
+                  <Pressable onPress={() => router.push(`/(app)/entities/clients/${client.id}`)}>
+                    <GlassSurface style={styles.card}>
+                      <View style={styles.cardInner}>
+                        <Text style={styles.name}>{client.name}</Text>
+                        {client.email ? (
+                          <Text style={styles.meta}>{client.email}</Text>
+                        ) : null}
+                        {client.defaultHourlyRate != null ? (
+                          <Text style={styles.meta}>
+                            {formatCurrency(client.defaultHourlyRate, client.currency ?? "USD")}
+                            /hr
+                          </Text>
+                        ) : null}
+                      </View>
+                    </GlassSurface>
+                  </Pressable>
+                </SwipeableRow>
               ))
             )
           ) : businesses.length === 0 ? (
@@ -142,25 +184,45 @@ export default function EntitiesScreen() {
             </View>
           ) : (
             businesses.map((business) => (
-              <Pressable
+              <SwipeableRow
                 key={business.id}
-                onPress={() => router.push(`/(app)/entities/businesses/${business.id}`)}
+                backgroundColor={colors.cardGlass}
+                actions={[
+                  {
+                    key: "edit",
+                    label: "Edit",
+                    icon: "create-outline",
+                    color: "#fff",
+                    backgroundColor: colors.primary,
+                    onPress: () => router.push(`/(app)/entities/businesses/edit/${business.id}`),
+                  },
+                  {
+                    key: "delete",
+                    label: "Delete",
+                    icon: "trash-outline",
+                    color: "#fff",
+                    backgroundColor: colors.destructive,
+                    onPress: () => confirmDelete(business.id, business.name),
+                  },
+                ]}
               >
-                <GlassSurface style={styles.card}>
-                  <View style={styles.cardInner}>
-                    <View style={styles.nameRow}>
-                      <Text style={styles.name}>{business.name}</Text>
-                      {business.isDefault ? (
-                        <Text style={styles.badge}>Default</Text>
+                <Pressable onPress={() => router.push(`/(app)/entities/businesses/${business.id}`)}>
+                  <GlassSurface style={styles.card}>
+                    <View style={styles.cardInner}>
+                      <View style={styles.nameRow}>
+                        <Text style={styles.name}>{business.name}</Text>
+                        {business.isDefault ? (
+                          <Text style={styles.badge}>Default</Text>
+                        ) : null}
+                      </View>
+                      {business.nickname ? (
+                        <Text style={styles.meta}>{business.nickname}</Text>
                       ) : null}
+                      {business.email ? <Text style={styles.meta}>{business.email}</Text> : null}
                     </View>
-                    {business.nickname ? (
-                      <Text style={styles.meta}>{business.nickname}</Text>
-                    ) : null}
-                    {business.email ? <Text style={styles.meta}>{business.email}</Text> : null}
-                  </View>
-                </GlassSurface>
-              </Pressable>
+                  </GlassSurface>
+                </Pressable>
+              </SwipeableRow>
             ))
           )}
         </TabScrollView>
diff --git a/app/(app)/index.tsx b/app/(app)/index.tsx
index bdb64b8..36184a3 100644
--- a/app/(app)/index.tsx
+++ b/app/(app)/index.tsx
@@ -20,6 +20,7 @@ import { useThemedStyles } from "@/lib/use-themed-styles";
 import { getInvoiceStatus } from "@/lib/invoice-status";
 import { formatElapsedHoursMinutes, resolveClockDescription } from "@/lib/time-clock";
 import { useRunningElapsed } from "@/lib/use-running-elapsed";
+import { formatTrpcErrorMessage } from "@/lib/trpc-errors";
 import { api } from "@/lib/trpc";
 
 export default function DashboardScreen() {
@@ -41,7 +42,7 @@ export default function DashboardScreen() {
         <Screen>
           <View style={styles.errorBox}>
             <Text style={styles.errorTitle}>Could not load dashboard</Text>
-            <Text style={styles.errorText}>{statsQuery.error.message}</Text>
+            <Text style={styles.errorText}>{formatTrpcErrorMessage(statsQuery.error)}</Text>
           </View>
         </Screen>
       </AppBackground>
@@ -62,7 +63,7 @@ export default function DashboardScreen() {
         : "No change vs last month";
 
   const maxRevenue = Math.max(...stats.revenueChartData.map((d) => d.revenue), 1);
-  const sendReminderDue = stats.sendReminderDue ?? [];
+  const sendReminderDue = stats.recentInvoices.filter((inv) => inv.status === "draft");
 
   return (
     <AppBackground>
@@ -146,8 +147,31 @@ export default function DashboardScreen() {
               variant="secondary"
               onPress={() => router.push("/(app)/invoices")}
             />
+            <Button
+              title="Reports"
+              variant="secondary"
+              onPress={() => router.push("/(app)/more/reports" as never)}
+            />
           </View>
 
+          {stats.currentDraft ? (
+            <GlassSurface style={styles.alertGlass}>
+              <Pressable
+                style={styles.alertBanner}
+                onPress={() => router.push(`/(app)/invoices/${stats.currentDraft!.id}`)}
+              >
+                <Text style={styles.alertTitle}>
+                  Draft {stats.currentDraft.invoiceNumber}
+                </Text>
+                <Text style={styles.alertText}>
+                  {stats.currentDraft.client?.name ?? "Client"} ·{" "}
+                  {formatCurrency(stats.currentDraft.totalAmount)} ·{" "}
+                  {stats.currentDraft.totalHours.toFixed(1)}h logged
+                </Text>
+              </Pressable>
+            </GlassSurface>
+          ) : null}
+
           <View style={styles.statsGrid}>
             <View style={styles.statCell}>
               <StatCard label="Total revenue" value={formatCurrency(stats.totalRevenue)} />
@@ -190,6 +214,17 @@ export default function DashboardScreen() {
             </View>
           </Card>
 
+          <Card title="Invoice status">
+            {(stats.statusChartData ?? []).map((item) => (
+              <View key={item.status} style={styles.invoiceRow}>
+                <Text style={styles.invoiceClient}>{item.name}</Text>
+                <Text style={styles.invoiceDate}>
+                  {item.count} · {formatCurrency(item.value)}
+                </Text>
+              </View>
+            ))}
+          </Card>
+
           <Card title="Recent invoices">
             {stats.recentInvoices.length === 0 ? (
               <Text style={styles.empty}>No invoices yet. Create one from the Invoices tab.</Text>
diff --git a/app/(app)/invoices/[id].tsx b/app/(app)/invoices/[id].tsx
index decd464..08c3980 100644
--- a/app/(app)/invoices/[id].tsx
+++ b/app/(app)/invoices/[id].tsx
@@ -8,6 +8,7 @@ import { InvoicePdfPreview } from "@/components/invoices/InvoicePdfPreview";
 import { InvoiceTotals } from "@/components/invoices/InvoiceTotals";
 import { InvoiceDetailActions } from "@/components/invoices/InvoiceDetailActions";
 import { LoadingScreen } from "@/components/LoadingScreen";
+import { SwipeableRow } from "@/components/SwipeableRow";
 import { StatusBadge } from "@/components/StatusBadge";
 import { Button } from "@/components/ui/Button";
 import { Card } from "@/components/ui/Card";
@@ -23,6 +24,7 @@ import { api } from "@/lib/trpc";
 
 export default function InvoiceDetailScreen() {
   const styles = useThemedStyles(createInvoiceDetailStyles);
+  const { colors } = useAppTheme();
   const { id } = useLocalSearchParams<{ id: string }>();
   const utils = api.useUtils();
   const scrollPadding = useTabBarScrollPadding();
@@ -50,10 +52,9 @@ export default function InvoiceDetailScreen() {
     onError: (err) => Alert.alert("Could not send reminder", err.message),
   });
 
-  const invoice = invoiceQuery.data;
   const previewInput = useMemo(
-    () => (invoice ? buildPreviewPdfInputFromInvoice(invoice) : null),
-    [invoice],
+    () => (invoiceQuery.data ? buildPreviewPdfInputFromInvoice(invoiceQuery.data) : null),
+    [invoiceQuery.data],
   );
 
   if (!id) {
@@ -78,6 +79,7 @@ export default function InvoiceDetailScreen() {
     );
   }
 
+  const invoice = invoiceQuery.data;
   const status = getInvoiceStatus(invoice);
   const subtotal = invoice.items.reduce((sum, item) => sum + item.amount, 0);
   const taxAmount = subtotal * (invoice.taxRate / 100);
@@ -209,20 +211,45 @@ export default function InvoiceDetailScreen() {
               add lines manually.
             </Text>
           ) : (
-            invoice.items.map((item) => (
-              <View key={item.id} style={styles.lineItem}>
-                <View style={styles.lineMeta}>
-                  <Text style={styles.lineDescription}>{item.description}</Text>
-                  <Text style={styles.lineSub}>
-                    {formatDate(item.date)} · {item.hours}h ×{" "}
-                    {formatCurrency(item.rate, invoice.currency)}
+            invoice.items.map((item) => {
+              const line = (
+                <View style={styles.lineItem}>
+                  <View style={styles.lineMeta}>
+                    <Text style={styles.lineDescription}>{item.description}</Text>
+                    <Text style={styles.lineSub}>
+                      {formatDate(item.date)} · {item.hours}h ×{" "}
+                      {formatCurrency(item.rate, invoice.currency)}
+                    </Text>
+                  </View>
+                  <Text style={styles.lineAmount}>
+                    {formatCurrency(item.amount, invoice.currency)}
                   </Text>
                 </View>
-                <Text style={styles.lineAmount}>
-                  {formatCurrency(item.amount, invoice.currency)}
-                </Text>
-              </View>
-            ))
+              );
+
+              if (invoice.status !== "draft") {
+                return <View key={item.id}>{line}</View>;
+              }
+
+              return (
+                <SwipeableRow
+                  key={item.id}
+                  backgroundColor={colors.card}
+                  actions={[
+                    {
+                      key: "edit",
+                      label: "Edit",
+                      icon: "create-outline",
+                      color: "#fff",
+                      backgroundColor: colors.primary,
+                      onPress: () => router.push(`/(app)/invoices/edit/${invoice.id}`),
+                    },
+                  ]}
+                >
+                  {line}
+                </SwipeableRow>
+              );
+            })
           )}
           <InvoiceTotals
             subtotal={formatCurrency(subtotal, invoice.currency)}
diff --git a/app/(app)/invoices/edit/[id].tsx b/app/(app)/invoices/edit/[id].tsx
index 4ecbe7d..5d9bb68 100644
--- a/app/(app)/invoices/edit/[id].tsx
+++ b/app/(app)/invoices/edit/[id].tsx
@@ -196,6 +196,15 @@ export default function InvoiceEditScreen() {
     setItems((prev) => prev.filter((_, i) => i !== index));
   }
 
+  function duplicateItem(index: number) {
+    setItems((prev) => {
+      const source = prev[index];
+      if (!source) return prev;
+      const copy = { ...source, id: undefined };
+      return [...prev.slice(0, index + 1), copy, ...prev.slice(index + 1)];
+    });
+  }
+
   async function handleSave() {
     if (!canSave) return;
     setError(null);
@@ -325,6 +334,7 @@ export default function InvoiceEditScreen() {
                     isLast={index === items.length - 1}
                     onChange={(patch) => updateItem(index, patch)}
                     onRemove={() => removeItem(index)}
+                    onDuplicate={isDraft ? () => duplicateItem(index) : undefined}
                     readOnly={!isDraft}
                   />
                 ))}
diff --git a/app/(app)/invoices/index.tsx b/app/(app)/invoices/index.tsx
index 5120663..f83a9d2 100644
--- a/app/(app)/invoices/index.tsx
+++ b/app/(app)/invoices/index.tsx
@@ -16,6 +16,7 @@ import { FloatingActionButton } from "@/components/FloatingActionButton";
 import { GlassSurface } from "@/components/GlassSurface";
 import { LoadingScreen } from "@/components/LoadingScreen";
 import { PageHeader } from "@/components/PageHeader";
+import { SwipeableRow } from "@/components/SwipeableRow";
 import { StatusBadge } from "@/components/StatusBadge";
 import { TabPage } from "@/components/TabPage";
 import { TabScrollView } from "@/components/TabScrollView";
@@ -25,6 +26,7 @@ import { formatCurrency, formatDate } from "@/lib/format";
 import type { ThemeColors } from "@/lib/theme-palette";
 import { useThemedStyles } from "@/lib/use-themed-styles";
 import { getInvoiceStatus, type InvoiceStatus } from "@/lib/invoice-status";
+import { formatTrpcErrorMessage } from "@/lib/trpc-errors";
 import { api } from "@/lib/trpc";
 
 const filters: Array<{ label: string; value?: InvoiceStatus | "all" }> = [
@@ -49,6 +51,14 @@ export default function InvoicesScreen() {
     onError: (err) => Alert.alert("Update failed", err.message),
   });
 
+  const deleteInvoice = api.invoices.delete.useMutation({
+    onSuccess: () => {
+      utils.invoices.getAll.invalidate();
+      utils.dashboard.getStats.invalidate();
+    },
+    onError: (err) => Alert.alert("Delete failed", err.message),
+  });
+
   if (invoicesQuery.isLoading) {
     return <LoadingScreen message="Loading invoices…" />;
   }
@@ -59,7 +69,7 @@ export default function InvoicesScreen() {
         <TabPage>
           <View style={styles.errorBox}>
             <Text style={styles.errorTitle}>Could not load invoices</Text>
-            <Text style={styles.errorText}>{invoicesQuery.error.message}</Text>
+            <Text style={styles.errorText}>{formatTrpcErrorMessage(invoicesQuery.error)}</Text>
           </View>
         </TabPage>
       </AppBackground>
@@ -93,6 +103,17 @@ export default function InvoicesScreen() {
     ]);
   }
 
+  function confirmDelete(invoiceId: string, label: string) {
+    Alert.alert("Delete invoice?", `Remove ${label}? This cannot be undone.`, [
+      { text: "Cancel", style: "cancel" },
+      {
+        text: "Delete",
+        style: "destructive",
+        onPress: () => deleteInvoice.mutate({ id: invoiceId }),
+      },
+    ]);
+  }
+
   return (
     <AppBackground>
       <TabPage>
@@ -134,35 +155,82 @@ export default function InvoicesScreen() {
           ) : (
             invoices.map((invoice) => {
               const status = getInvoiceStatus(invoice);
+              const label = `${invoice.invoicePrefix}${invoice.invoiceNumber}`;
+              const actions = [
+                {
+                  key: "open",
+                  label: "Open",
+                  icon: "open-outline" as const,
+                  color: "#fff",
+                  backgroundColor: colors.primary,
+                  onPress: () => router.push(`/(app)/invoices/${invoice.id}`),
+                },
+                ...(status === "draft"
+                  ? [
+                      {
+                        key: "edit",
+                        label: "Edit",
+                        icon: "create-outline" as const,
+                        color: "#fff",
+                        backgroundColor: colors.mutedForeground,
+                        onPress: () => router.push(`/(app)/invoices/edit/${invoice.id}`),
+                      },
+                      {
+                        key: "send",
+                        label: "Send",
+                        icon: "send-outline" as const,
+                        color: "#fff",
+                        backgroundColor: colors.success,
+                        onPress: () => router.push(`/(app)/invoices/send/${invoice.id}`),
+                      },
+                      {
+                        key: "delete",
+                        label: "Delete",
+                        icon: "trash-outline" as const,
+                        color: "#fff",
+                        backgroundColor: colors.destructive,
+                        onPress: () => confirmDelete(invoice.id, label),
+                      },
+                    ]
+                  : [
+                      {
+                        key: "status",
+                        label: "Status",
+                        icon: "flag-outline" as const,
+                        color: "#fff",
+                        backgroundColor: colors.warning,
+                        onPress: () => promptStatusChange(invoice.id, status),
+                      },
+                    ]),
+              ];
+
               return (
-                <Pressable
-                  key={invoice.id}
-                  onPress={() => router.push(`/(app)/invoices/${invoice.id}`)}
-                  onLongPress={() => promptStatusChange(invoice.id, status)}
-                >
-                  <GlassSurface style={styles.card}>
-                    <View style={styles.cardInner}>
-                      <View style={styles.cardTop}>
-                        <View style={styles.cardMeta}>
-                          <Text style={styles.invoiceNumber}>
-                            {invoice.invoicePrefix}
-                            {invoice.invoiceNumber}
-                          </Text>
-                          <Text style={styles.clientName}>
-                            {invoice.client?.name ?? "Client"}
+                <SwipeableRow key={invoice.id} actions={actions} backgroundColor={colors.cardGlass}>
+                  <Pressable
+                    onPress={() => router.push(`/(app)/invoices/${invoice.id}`)}
+                    onLongPress={() => promptStatusChange(invoice.id, status)}
+                  >
+                    <GlassSurface style={styles.card}>
+                      <View style={styles.cardInner}>
+                        <View style={styles.cardTop}>
+                          <View style={styles.cardMeta}>
+                            <Text style={styles.invoiceNumber}>{label}</Text>
+                            <Text style={styles.clientName}>
+                              {invoice.client?.name ?? "Client"}
+                            </Text>
+                          </View>
+                          <Text style={styles.amount}>
+                            {formatCurrency(invoice.totalAmount, invoice.currency)}
                           </Text>
                         </View>
-                        <Text style={styles.amount}>
-                          {formatCurrency(invoice.totalAmount, invoice.currency)}
-                        </Text>
+                        <View style={styles.cardBottom}>
+                          <Text style={styles.date}>Due {formatDate(invoice.dueDate)}</Text>
+                          <StatusBadge status={status} />
+                        </View>
                       </View>
-                      <View style={styles.cardBottom}>
-                        <Text style={styles.date}>Due {formatDate(invoice.dueDate)}</Text>
-                        <StatusBadge status={status} />
-                      </View>
-                    </View>
-                  </GlassSurface>
-                </Pressable>
+                    </GlassSurface>
+                  </Pressable>
+                </SwipeableRow>
               );
             })
           )}
diff --git a/app/(app)/invoices/new.tsx b/app/(app)/invoices/new.tsx
index 59d7115..a21c2d1 100644
--- a/app/(app)/invoices/new.tsx
+++ b/app/(app)/invoices/new.tsx
@@ -203,6 +203,15 @@ export default function NewInvoiceScreen() {
     setItems((prev) => prev.filter((_, i) => i !== index));
   }
 
+  function duplicateItem(index: number) {
+    setItems((prev) => {
+      const source = prev[index];
+      if (!source) return prev;
+      const copy = { ...source, id: undefined };
+      return [...prev.slice(0, index + 1), copy, ...prev.slice(index + 1)];
+    });
+  }
+
   function handleCreate() {
     if (!canCreate) return;
     setError(null);
@@ -327,6 +336,7 @@ export default function NewInvoiceScreen() {
                     isLast={index === items.length - 1}
                     onChange={(patch) => updateItem(index, patch)}
                     onRemove={() => removeItem(index)}
+                    onDuplicate={() => duplicateItem(index)}
                   />
                 ))}
 
diff --git a/app/(app)/invoices/send/[id].tsx b/app/(app)/invoices/send/[id].tsx
index 282699f..070fbeb 100644
--- a/app/(app)/invoices/send/[id].tsx
+++ b/app/(app)/invoices/send/[id].tsx
@@ -51,10 +51,10 @@ export default function InvoiceSendScreen() {
     onError: (err) => Alert.alert("Could not send invoice", err.message),
   });
 
-  const invoice = invoiceQuery.data;
   const previewInput = useMemo(
-    () => (invoice ? buildPreviewPdfInputFromInvoice(invoice) : null),
-    [invoice],
+    () =>
+      invoiceQuery.data ? buildPreviewPdfInputFromInvoice(invoiceQuery.data) : null,
+    [invoiceQuery.data],
   );
 
   if (!id) {
@@ -65,10 +65,11 @@ export default function InvoiceSendScreen() {
     return <LoadingScreen message="Loading invoice…" />;
   }
 
-  if (!invoice) {
+  if (!invoiceQuery.data) {
     return <LoadingScreen message="Invoice not found" />;
   }
 
+  const invoice = invoiceQuery.data;
   const status = getInvoiceStatus(invoice);
   const clientEmail = invoice.client?.email?.trim() ?? "";
   const businessName = invoice.business?.name ?? "Your business";
@@ -91,7 +92,7 @@ export default function InvoiceSendScreen() {
     }
 
     sendInvoice.mutate({
-      invoiceId: invoice!.id,
+      invoiceId: invoice.id,
       customMessage: customMessage.trim() || undefined,
     });
   }
diff --git a/app/(app)/settings.tsx b/app/(app)/settings.tsx
index 81bf957..b83b773 100644
--- a/app/(app)/settings.tsx
+++ b/app/(app)/settings.tsx
@@ -21,6 +21,7 @@ import { useAuthClient, useSession } from "@/contexts/AuthContext";
 import { type ColorMode, useAppTheme } from "@/contexts/ThemeContext";
 import { startAdditionalAccountSignIn } from "@/lib/add-account";
 import { confirmRemoveAccount, finishAccountRemoval } from "@/lib/account-actions";
+import { performAuthReset } from "@/lib/auth-session";
 import { api } from "@/lib/trpc";
 
 const THEME_OPTIONS: { value: ColorMode; label: string }[] = [
@@ -89,16 +90,20 @@ export default function SettingsScreen() {
       async (result) => {
         await finishAccountRemoval({
           result,
+          authClient,
           clearActiveAccount,
-          signOut: () => authClient.signOut(),
+          activeAccountId,
         });
       },
     );
   }
 
   async function handleSignOut() {
-    await authClient.signOut();
-    await clearActiveAccount();
+    await performAuthReset({
+      authClient,
+      clearActiveAccount,
+      activeAccountId,
+    });
     router.replace("/(auth)/sign-in");
   }
 
diff --git a/app/(auth)/register.tsx b/app/(auth)/register.tsx
index bab2fd8..00fb02c 100644
--- a/app/(auth)/register.tsx
+++ b/app/(auth)/register.tsx
@@ -81,11 +81,16 @@ export default function RegisterScreen() {
       const session = await authClient.getSession();
       const user = session.data?.user;
       if (user) {
-        await completeSignInAfterAuth(authClient, {
+        const completed = await completeSignInAfterAuth(authClient, {
           apiUrl,
           activeAccountId,
           registerAccount: saveAccount,
         });
+        if (!completed) {
+          setError("Account created but session setup failed. Try signing in.");
+        }
+      } else {
+        setError("Account created. Sign in with your email and password.");
       }
     } catch (err) {
       setError(err instanceof Error ? err.message : "Registration failed");
diff --git a/app/(auth)/sign-in.tsx b/app/(auth)/sign-in.tsx
index ba62994..cbfd412 100644
--- a/app/(auth)/sign-in.tsx
+++ b/app/(auth)/sign-in.tsx
@@ -19,6 +19,7 @@ import { useAppTheme } from "@/contexts/ThemeContext";
 import { fetchAuthCapabilities } from "@/lib/auth-capabilities";
 import { signInWithAuthentik } from "@/lib/auth-oauth";
 import { completeSignInAfterAuth } from "@/lib/complete-sign-in";
+import { formatAuthErrorMessage } from "@/lib/trpc-errors";
 import { isRequiredString, isValidEmail, useFieldVisibility } from "@/lib/form-validation";
 
 export default function SignInScreen() {
@@ -81,12 +82,7 @@ export default function SignInScreen() {
       });
 
       if (signInError) {
-        const message = signInError.message ?? "";
-        if (message.toLowerCase().includes("internal") || message.includes("500")) {
-          setError("Server error — is the API running with Postgres? Check beenvoice dev + docker.");
-        } else {
-          setError(message || "Invalid email or password");
-        }
+        setError(formatAuthErrorMessage(signInError));
         return;
       }
 
@@ -108,7 +104,7 @@ export default function SignInScreen() {
       );
 
       if (oauthError) {
-        setError(oauthError.message ?? "Could not sign in with Authentik");
+        setError(formatAuthErrorMessage(oauthError));
         return;
       }
 
diff --git a/app/_layout.tsx b/app/_layout.tsx
index 37c9956..b94e71e 100644
--- a/app/_layout.tsx
+++ b/app/_layout.tsx
@@ -16,6 +16,7 @@ import { View } from "react-native";
 import { StatusBar } from "expo-status-bar";
 import "react-native-reanimated";
 import { SafeAreaProvider } from "react-native-safe-area-context";
+import { GestureHandlerRootView } from "react-native-gesture-handler";
 
 import { BrandBackground } from "@/components/BrandBackground";
 import { LoadingScreen } from "@/components/LoadingScreen";
@@ -84,28 +85,30 @@ export default function RootLayout() {
   }
 
   return (
-    <SafeAreaProvider>
-      <ThemeProvider>
-        <ThemedChrome>
-          <AccountsProvider>
-            <AppServices>
-              <RootNavigator />
-            </AppServices>
-          </AccountsProvider>
-        </ThemedChrome>
-      </ThemeProvider>
-    </SafeAreaProvider>
+    <GestureHandlerRootView style={{ flex: 1 }}>
+      <SafeAreaProvider>
+        <ThemeProvider>
+          <ThemedChrome>
+            <AccountsProvider>
+              <AppServices>
+                <RootNavigator />
+              </AppServices>
+            </AccountsProvider>
+          </ThemedChrome>
+        </ThemeProvider>
+      </SafeAreaProvider>
+    </GestureHandlerRootView>
   );
 }
 
 function RootNavigator() {
-  const { data: session, isPending, error } = useSession();
+  const { data: session, isPending } = useSession();
 
   if (isPending) {
     return <LoadingScreen message="Checking session…" />;
   }
 
-  const isAuthenticated = Boolean(session?.user) && !error;
+  const isAuthenticated = Boolean(session?.user);
 
   return (
     <Stack
diff --git a/components/AccountSwitcher.tsx b/components/AccountSwitcher.tsx
index 3f7ef70..605e887 100644
--- a/components/AccountSwitcher.tsx
+++ b/components/AccountSwitcher.tsx
@@ -92,8 +92,9 @@ export function AccountSwitcher() {
         }
         await finishAccountRemoval({
           result,
+          authClient,
           clearActiveAccount,
-          signOut: () => authClient.signOut(),
+          activeAccountId,
         });
       },
     );
diff --git a/components/SessionSync.tsx b/components/SessionSync.tsx
index a52da8d..d05a1e2 100644
--- a/components/SessionSync.tsx
+++ b/components/SessionSync.tsx
@@ -1,12 +1,18 @@
 import { useEffect, useRef } from "react";
 import { AppState, type AppStateStatus } from "react-native";
 
-import { useSession } from "@/contexts/AuthContext";
+import { useAccounts } from "@/contexts/AccountsContext";
+import { useAuthClient, useSession } from "@/contexts/AuthContext";
+import { performAuthReset } from "@/lib/auth-session";
+import { isRateLimitError } from "@/lib/trpc-errors";
 
 /** Refetch auth session when the app returns to the foreground. */
 export function SessionSync() {
-  const { refetch } = useSession();
+  const authClient = useAuthClient();
+  const { activeAccountId, clearActiveAccount } = useAccounts();
+  const { data: session, refetch } = useSession();
   const wasBackgrounded = useRef(false);
+  const resettingRef = useRef(false);
 
   useEffect(() => {
     const subscription = AppState.addEventListener("change", (nextState: AppStateStatus) => {
@@ -17,11 +23,30 @@ export function SessionSync() {
 
       if (nextState !== "active" || !wasBackgrounded.current) return;
       wasBackgrounded.current = false;
-      void refetch();
+
+      void (async () => {
+        await refetch();
+        const next = await authClient.getSession();
+        if (next.error && isRateLimitError(next.error)) return;
+        if (next.data?.user) return;
+        if (!session?.user || resettingRef.current) return;
+
+        resettingRef.current = true;
+        try {
+          await performAuthReset({
+            authClient,
+            clearActiveAccount,
+            activeAccountId,
+            refetchSession: refetch,
+          });
+        } finally {
+          resettingRef.current = false;
+        }
+      })();
     });
 
     return () => subscription.remove();
-  }, [refetch]);
+  }, [authClient, refetch, session?.user, activeAccountId, clearActiveAccount]);
 
   return null;
 }
diff --git a/components/invoices/LineItemEditor.tsx b/components/invoices/LineItemEditor.tsx
index f729aae..a863c59 100644
--- a/components/invoices/LineItemEditor.tsx
+++ b/components/invoices/LineItemEditor.tsx
@@ -3,6 +3,7 @@ import { Pressable, StyleSheet, Text, TextInput, View } from "react-native";
 
 import { CompactDateField } from "@/components/ui/CompactDateField";
 import { CompactStepperInput } from "@/components/ui/CompactStepperInput";
+import { SwipeableRow } from "@/components/SwipeableRow";
 import { fonts, radii, spacing } from "@/constants/theme";
 import { useAppTheme } from "@/contexts/ThemeContext";
 import { formatCurrency, formatShortDate } from "@/lib/format";
@@ -21,6 +22,7 @@ type LineItemEditorProps = {
   currency: string;
   onChange: (patch: Partial<EditableLineItem>) => void;
   onRemove: () => void;
+  onDuplicate?: () => void;
   readOnly?: boolean;
   isLast?: boolean;
 };
@@ -38,6 +40,7 @@ export function LineItemEditor({
   currency,
   onChange,
   onRemove,
+  onDuplicate,
   readOnly = false,
   isLast = false,
 }: LineItemEditorProps) {
@@ -70,7 +73,7 @@ export function LineItemEditor({
     );
   }
 
-  return (
+  const content = (
     <View
       style={[
         styles.editBlock,
@@ -156,6 +159,35 @@ export function LineItemEditor({
       </View>
     </View>
   );
+
+  const swipeActions = [
+    ...(onDuplicate
+      ? [
+          {
+            key: "duplicate",
+            label: "Copy",
+            icon: "copy-outline" as const,
+            color: "#fff",
+            backgroundColor: colors.primary,
+            onPress: onDuplicate,
+          },
+        ]
+      : []),
+    {
+      key: "delete",
+      label: "Delete",
+      icon: "trash-outline" as const,
+      color: "#fff",
+      backgroundColor: colors.destructive,
+      onPress: onRemove,
+    },
+  ];
+
+  return (
+    <SwipeableRow actions={swipeActions} backgroundColor={colors.card}>
+      {content}
+    </SwipeableRow>
+  );
 }
 
 const styles = StyleSheet.create({
diff --git a/components/time-clock/TimeClockPanel.tsx b/components/time-clock/TimeClockPanel.tsx
index 298b191..b8b9ef1 100644
--- a/components/time-clock/TimeClockPanel.tsx
+++ b/components/time-clock/TimeClockPanel.tsx
@@ -13,7 +13,9 @@ import { router } from "expo-router";
 import { FilterChip } from "@/components/FilterChip";
 import { GlassSurface } from "@/components/GlassSurface";
 import { LoadingScreen } from "@/components/LoadingScreen";
+import { SwipeableRow } from "@/components/SwipeableRow";
 import { TabScrollView } from "@/components/TabScrollView";
+import { TimeEntryEditSheet } from "@/components/time-clock/TimeEntryEditSheet";
 import { Button } from "@/components/ui/Button";
 import { Card } from "@/components/ui/Card";
 import { DateTimeField } from "@/components/ui/DateTimeField";
@@ -98,6 +100,8 @@ export function TimeClockPanel({
   const [agoMinutesText, setAgoMinutesText] = useState("60");
   const [optionsExpanded, setOptionsExpanded] = useState(false);
   const [clientsExpanded, setClientsExpanded] = useState(false);
+  const [editEntryId, setEditEntryId] = useState<string | null>(null);
+  const [runningStartedAt, setRunningStartedAt] = useState(() => new Date());
   const [featuredClientIds, setFeaturedClientIds] = useState<string[]>([]);
   const [storedLastClientId, setStoredLastClientId] = useState<string | null>(null);
   const [prefsLoaded, setPrefsLoaded] = useState(false);
@@ -140,6 +144,15 @@ export function TimeClockPanel({
     },
   });
 
+  const updateRunning = api.timeEntries.updateRunning.useMutation({
+    onSuccess: async () => {
+      await Promise.all([
+        utils.timeEntries.getRunning.invalidate(),
+        utils.invoices.getBillable.invalidate(),
+      ]);
+    },
+  });
+
   const clockOut = api.timeEntries.clockOut.useMutation({
     onSuccess: async (data) => {
       await endTimeClockLiveActivity();
@@ -184,8 +197,10 @@ export function TimeClockPanel({
     if (!running) return;
     setClientId(running.clientId ?? "");
     setInvoiceId(running.invoiceId ?? "");
+    setDescription(running.description ?? "");
     setStopNote("");
     setRateText(running.rate != null ? String(running.rate) : "");
+    setRunningStartedAt(new Date(running.startedAt));
   }, [running]);
 
   useEffect(() => {
@@ -269,8 +284,7 @@ export function TimeClockPanel({
   }, [agoMinutes, startMode, startedAt]);
 
   const clockInErrors = useMemo(() => {
-    const next: { clientId?: string; rate?: string; start?: string } = {};
-    if (!clientId) next.clientId = "Choose a client to start";
+    const next: { rate?: string; start?: string } = {};
     if (rateText.trim() && parseNonNegativeNumber(rateText) === null) {
       next.rate = "Enter a valid hourly rate";
     }
@@ -278,7 +292,7 @@ export function TimeClockPanel({
       next.start = "Enter how long ago you started";
     }
     return next;
-  }, [agoMinutes, clientId, rateText, startMode]);
+  }, [agoMinutes, rateText, startMode]);
 
   const canClockIn = Object.keys(clockInErrors).length === 0;
 
@@ -307,6 +321,14 @@ export function TimeClockPanel({
 
   function selectClient(nextClientId: string) {
     const client = clients.find((c) => c.id === nextClientId);
+    if (running) {
+      updateRunning.mutate({
+        clientId: nextClientId,
+        invoiceId: "",
+        rate: client?.defaultHourlyRate ?? undefined,
+      });
+      return;
+    }
     setClientId(nextClientId);
     setInvoiceId("");
     setRateText(clientRateText(client));
@@ -316,6 +338,27 @@ export function TimeClockPanel({
     void persistClientChoice(nextClientId);
   }
 
+  function selectInvoice(nextInvoiceId: string) {
+    if (running) {
+      updateRunning.mutate({ invoiceId: nextInvoiceId || "" });
+      return;
+    }
+    setInvoiceId(nextInvoiceId);
+  }
+
+  function handleRunningDescriptionBlur() {
+    if (!running) return;
+    const next = resolveClockDescription(description);
+    if (next === (running.description ?? "")) return;
+    updateRunning.mutate({ description: next });
+  }
+
+  function handleRunningStartedAtChange(date: Date) {
+    setRunningStartedAt(date);
+    if (!running || date > new Date()) return;
+    updateRunning.mutate({ startedAt: date });
+  }
+
   function selectStartMode(mode: StartMode) {
     setStartMode(mode);
     if (mode !== "now") setOptionsExpanded(true);
@@ -363,7 +406,9 @@ export function TimeClockPanel({
         rate: effectiveRate ?? undefined,
         startedAt: backdated,
       });
-      await persistClientChoice(clientId);
+      if (clientId) {
+        await persistClientChoice(clientId);
+      }
       setStartMode("now");
       setStartedAt(new Date());
       setAgoMinutes(60);
@@ -445,7 +490,7 @@ export function TimeClockPanel({
               </>
             ) : (
               <Text style={styles.idleHint}>
-                Choose a client and clock in. A draft invoice is created automatically if needed.
+                Start the timer anytime — add client, invoice, and details later.
               </Text>
             )}
           </View>
@@ -457,6 +502,62 @@ export function TimeClockPanel({
 
         {running ? (
           <View style={styles.formSection}>
+            <Input
+              label="What are you working on?"
+              value={description}
+              onChangeText={setDescription}
+              onBlur={handleRunningDescriptionBlur}
+              placeholder="What are you working on?"
+              returnKeyType="done"
+            />
+
+            <DateTimeField
+              label="Started at"
+              value={runningStartedAt}
+              maximumDate={new Date()}
+              onChange={handleRunningStartedAtChange}
+            />
+
+            <View style={styles.setupSection}>
+              <Text style={styles.sectionLabel}>Client</Text>
+              <View style={styles.chipWrap}>
+                <FilterChip
+                  label="None"
+                  active={!clientId}
+                  onPress={() => selectClient("")}
+                />
+                {clients.map((client) => (
+                  <FilterChip
+                    key={client.id}
+                    label={client.name}
+                    active={clientId === client.id}
+                    onPress={() => selectClient(client.id)}
+                  />
+                ))}
+              </View>
+            </View>
+
+            {clientId ? (
+              <View style={styles.setupSection}>
+                <Text style={styles.sectionLabel}>Invoice</Text>
+                <View style={styles.chipWrap}>
+                  <FilterChip
+                    label="Entry only"
+                    active={!invoiceId}
+                    onPress={() => selectInvoice("")}
+                  />
+                  {billableInvoices.map((invoice) => (
+                    <FilterChip
+                      key={invoice.id}
+                      label={`${invoice.invoicePrefix ?? "#"}${invoice.invoiceNumber}`}
+                      active={invoiceId === invoice.id}
+                      onPress={() => selectInvoice(invoice.id)}
+                    />
+                  ))}
+                </View>
+              </View>
+            ) : null}
+
             <Input
               label="Note on stop (optional)"
               value={stopNote}
@@ -490,7 +591,7 @@ export function TimeClockPanel({
           <Text style={styles.sectionLabel}>Client</Text>
           {clients.length === 0 ? (
             <Text style={styles.emptyClients}>
-              Add a client first to start tracking time.
+              No clients yet — you can still start the timer and assign a client later.
             </Text>
           ) : (
             <>
@@ -511,20 +612,15 @@ export function TimeClockPanel({
               ) : null}
             </>
           )}
-          {clockInErrors.clientId ? (
-            <Text style={styles.fieldError}>{clockInErrors.clientId}</Text>
-          ) : null}
-        </View>
+          </View>
 
-        {clientId ? (
-          <View style={styles.setupSection}>
-            <Text style={styles.sectionLabel}>Invoice</Text>
+        <View style={styles.setupSection}>
+          <Text style={styles.sectionLabel}>Invoice (optional)</Text>
+          {!clientId ? (
+            <Text style={styles.emptyClients}>Pick a client to attach a draft invoice.</Text>
+          ) : (
             <View style={styles.chipWrap}>
-              <FilterChip
-                label="Entry only"
-                active={!invoiceId}
-                onPress={() => setInvoiceId("")}
-              />
+              <FilterChip label="Entry only" active={!invoiceId} onPress={() => setInvoiceId("")} />
               {billableInvoices.map((invoice) => {
                 const label = `${invoice.invoicePrefix ?? "#"}${invoice.invoiceNumber}`;
                 return (
@@ -537,11 +633,10 @@ export function TimeClockPanel({
                 );
               })}
             </View>
-          </View>
-        ) : null}
+          )}
+        </View>
 
-        {clientId ? (
-          <View style={styles.setupSection}>
+        <View style={styles.setupSection}>
             <Pressable
               accessibilityRole="button"
               accessibilityState={{ expanded: optionsExpanded }}
@@ -647,12 +742,11 @@ export function TimeClockPanel({
               </View>
             ) : null}
           </View>
-        ) : null}
 
             <Button
               title={clockIn.isPending ? "Starting…" : "Start timer"}
               loading={clockIn.isPending}
-              disabled={!canClockIn || clients.length === 0}
+              disabled={!canClockIn}
               showArrow={!clockIn.isPending}
               onPress={handleClockIn}
             />
@@ -667,41 +761,55 @@ export function TimeClockPanel({
               ? `${entry.invoice.invoicePrefix ?? "#"}${entry.invoice.invoiceNumber}`
               : null;
 
-            const row = (
-              <>
-                <View style={styles.entryMeta}>
-                  <Text style={styles.entryTitle}>{formatRunningTimerLabel(entry.description)}</Text>
-                  <Text style={styles.entrySub}>
-                    {entry.client?.name ?? "No client"}
-                    {invoiceLabel ? ` · ${invoiceLabel}` : " · not billed"}
-                  </Text>
-                </View>
-                <Text style={styles.entryHours}>{entry.hours ?? "—"}h</Text>
-              </>
-            );
-
-            if (!entry.invoice) {
-              return (
-                <View key={entry.id} style={styles.entryRow}>
-                  {row}
-                </View>
-              );
-            }
-
             return (
-              <Pressable
+              <SwipeableRow
                 key={entry.id}
-                accessibilityRole="button"
-                accessibilityLabel={`View invoice ${invoiceLabel}`}
-                onPress={() => router.push(`/(app)/invoices/${entry.invoice!.id}`)}
-                style={({ pressed }) => [styles.entryRow, pressed && styles.entryRowPressed]}
+                actions={[
+                  {
+                    key: "edit",
+                    label: "Edit",
+                    icon: "create-outline",
+                    color: "#fff",
+                    backgroundColor: colors.primary,
+                    onPress: () => setEditEntryId(entry.id),
+                  },
+                  {
+                    key: "invoice",
+                    label: "Invoice",
+                    icon: "document-text-outline",
+                    color: "#fff",
+                    backgroundColor: colors.mutedForeground,
+                    onPress: () => {
+                      if (entry.invoice?.id) {
+                        router.push(`/(app)/invoices/${entry.invoice.id}`);
+                      } else {
+                        setEditEntryId(entry.id);
+                      }
+                    },
+                  },
+                ]}
               >
-                {row}
-              </Pressable>
+                <View style={styles.entryRow}>
+                  <View style={styles.entryMeta}>
+                    <Text style={styles.entryTitle}>{formatRunningTimerLabel(entry.description)}</Text>
+                    <Text style={styles.entrySub}>
+                      {entry.client?.name ?? "No client"}
+                      {invoiceLabel ? ` · ${invoiceLabel}` : " · not billed"}
+                    </Text>
+                  </View>
+                  <Text style={styles.entryHours}>{entry.hours ?? "—"}h</Text>
+                </View>
+              </SwipeableRow>
             );
           })}
         </Card>
       ) : null}
+
+      <TimeEntryEditSheet
+        entryId={editEntryId}
+        visible={editEntryId != null}
+        onClose={() => setEditEntryId(null)}
+      />
     </TabScrollView>
   );
 }
diff --git a/components/time-clock/TimeEntryEditSheet.tsx b/components/time-clock/TimeEntryEditSheet.tsx
new file mode 100644
index 0000000..e1cb305
--- /dev/null
+++ b/components/time-clock/TimeEntryEditSheet.tsx
@@ -0,0 +1,267 @@
+import { useEffect, useMemo, useState } from "react";
+import {
+  Alert,
+  Modal,
+  Pressable,
+  ScrollView,
+  StyleSheet,
+  Text,
+  View,
+} from "react-native";
+
+import { FilterChip } from "@/components/FilterChip";
+import { Button } from "@/components/ui/Button";
+import { DateTimeField } from "@/components/ui/DateTimeField";
+import { Input } from "@/components/ui/Input";
+import { fonts, spacing } from "@/constants/theme";
+import { useAppTheme } from "@/contexts/ThemeContext";
+import { formatCurrency } from "@/lib/format";
+import { parseNonNegativeNumber } from "@/lib/form-validation";
+import type { ThemeColors } from "@/lib/theme-palette";
+import { useThemedStyles } from "@/lib/use-themed-styles";
+import { api } from "@/lib/trpc";
+
+type TimeEntryEditSheetProps = {
+  entryId: string | null;
+  visible: boolean;
+  onClose: () => void;
+};
+
+export function TimeEntryEditSheet({ entryId, visible, onClose }: TimeEntryEditSheetProps) {
+  const { colors } = useAppTheme();
+  const styles = useThemedStyles(createStyles);
+  const utils = api.useUtils();
+
+  const entryQuery = api.timeEntries.getById.useQuery(
+    { id: entryId ?? "" },
+    { enabled: visible && Boolean(entryId) },
+  );
+  const clientsQuery = api.clients.getAll.useQuery(undefined, { enabled: visible });
+
+  const [description, setDescription] = useState("");
+  const [clientId, setClientId] = useState("");
+  const [invoiceId, setInvoiceId] = useState("");
+  const [rateText, setRateText] = useState("");
+  const [startedAt, setStartedAt] = useState(() => new Date());
+  const [endedAt, setEndedAt] = useState(() => new Date());
+
+  const billableQuery = api.invoices.getBillable.useQuery(
+    clientId ? { clientId } : undefined,
+    { enabled: visible && Boolean(clientId) },
+  );
+
+  useEffect(() => {
+    const entry = entryQuery.data;
+    if (!entry) return;
+    setDescription(entry.description ?? "");
+    setClientId(entry.clientId ?? "");
+    setInvoiceId(entry.invoiceId ?? "");
+    setRateText(entry.rate != null ? String(entry.rate) : "");
+    setStartedAt(new Date(entry.startedAt));
+    setEndedAt(entry.endedAt ? new Date(entry.endedAt) : new Date());
+  }, [entryQuery.data]);
+
+  const hoursPreview = useMemo(() => {
+    if (endedAt <= startedAt) return null;
+    return Math.max(0, (endedAt.getTime() - startedAt.getTime()) / 3_600_000);
+  }, [endedAt, startedAt]);
+
+  const rate = parseNonNegativeNumber(rateText);
+
+  const updateEntry = api.timeEntries.update.useMutation({
+    onSuccess: async () => {
+      await Promise.all([
+        utils.timeEntries.getAll.invalidate(),
+        utils.timeEntries.getById.invalidate(),
+        utils.invoices.getAll.invalidate(),
+        utils.dashboard.getStats.invalidate(),
+      ]);
+      onClose();
+    },
+    onError: (err) => Alert.alert("Could not save", err.message),
+  });
+
+  const deleteEntry = api.timeEntries.delete.useMutation({
+    onSuccess: async () => {
+      await Promise.all([
+        utils.timeEntries.getAll.invalidate(),
+        utils.invoices.getAll.invalidate(),
+        utils.dashboard.getStats.invalidate(),
+      ]);
+      onClose();
+    },
+    onError: (err) => Alert.alert("Could not delete", err.message),
+  });
+
+  function handleSave() {
+    if (!entryId) return;
+    if (endedAt <= startedAt) {
+      Alert.alert("Invalid times", "End time must be after start time.");
+      return;
+    }
+
+    updateEntry.mutate({
+      id: entryId,
+      description,
+      clientId: clientId || "",
+      invoiceId: invoiceId || "",
+      rate: rate ?? undefined,
+      startedAt,
+      endedAt,
+      hours: hoursPreview ?? undefined,
+    });
+  }
+
+  function confirmDelete() {
+    if (!entryId) return;
+    Alert.alert("Delete time entry?", "This removes the entry and any linked invoice line.", [
+      { text: "Cancel", style: "cancel" },
+      {
+        text: "Delete",
+        style: "destructive",
+        onPress: () => deleteEntry.mutate({ id: entryId }),
+      },
+    ]);
+  }
+
+  return (
+    <Modal visible={visible} animationType="slide" presentationStyle="pageSheet" onRequestClose={onClose}>
+      <View style={[styles.container, { backgroundColor: colors.background }]}>
+        <View style={styles.header}>
+          <Text style={[styles.title, { color: colors.foreground }]}>Edit time entry</Text>
+          <Pressable onPress={onClose} hitSlop={8}>
+            <Text style={[styles.close, { color: colors.mutedForeground }]}>Close</Text>
+          </Pressable>
+        </View>
+
+        <ScrollView contentContainerStyle={styles.body} keyboardShouldPersistTaps="handled">
+          {entryQuery.isLoading ? (
+            <Text style={{ color: colors.mutedForeground }}>Loading…</Text>
+          ) : (
+            <>
+              <Input label="Description" value={description} onChangeText={setDescription} />
+
+              <Text style={[styles.label, { color: colors.foreground }]}>Client</Text>
+              <View style={styles.chipWrap}>
+                <FilterChip
+                  label="None"
+                  active={!clientId}
+                  onPress={() => {
+                    setClientId("");
+                    setInvoiceId("");
+                  }}
+                />
+                {(clientsQuery.data ?? []).map((client) => (
+                  <FilterChip
+                    key={client.id}
+                    label={client.name}
+                    active={clientId === client.id}
+                    onPress={() => {
+                      setClientId(client.id);
+                      setInvoiceId("");
+                    }}
+                  />
+                ))}
+              </View>
+
+              {clientId ? (
+                <>
+                  <Text style={[styles.label, { color: colors.foreground }]}>Invoice</Text>
+                  <View style={styles.chipWrap}>
+                    <FilterChip
+                      label="Not on invoice"
+                      active={!invoiceId}
+                      onPress={() => setInvoiceId("")}
+                    />
+                    {(billableQuery.data ?? []).map((invoice) => (
+                      <FilterChip
+                        key={invoice.id}
+                        label={`${invoice.invoicePrefix ?? "#"}${invoice.invoiceNumber}`}
+                        active={invoiceId === invoice.id}
+                        onPress={() => setInvoiceId(invoice.id)}
+                      />
+                    ))}
+                  </View>
+                </>
+              ) : null}
+
+              <Input
+                label="Hourly rate"
+                value={rateText}
+                onChangeText={setRateText}
+                keyboardType="decimal-pad"
+              />
+
+              <DateTimeField
+                label="Started"
+                value={startedAt}
+                maximumDate={endedAt}
+                onChange={setStartedAt}
+              />
+              <DateTimeField label="Ended" value={endedAt} minimumDate={startedAt} onChange={setEndedAt} />
+
+              {hoursPreview != null ? (
+                <Text style={[styles.preview, { color: colors.mutedForeground }]}>
+                  {hoursPreview.toFixed(2)}h
+                  {rate != null && rate > 0
+                    ? ` · ${formatCurrency(hoursPreview * rate)}`
+                    : ""}
+                </Text>
+              ) : null}
+
+              <Button title="Save changes" loading={updateEntry.isPending} onPress={handleSave} />
+              <Button
+                title="Delete entry"
+                variant="danger"
+                loading={deleteEntry.isPending}
+                onPress={confirmDelete}
+              />
+            </>
+          )}
+        </ScrollView>
+      </View>
+    </Modal>
+  );
+}
+
+const createStyles = (colors: ThemeColors) =>
+  StyleSheet.create({
+    container: {
+      flex: 1,
+    },
+    header: {
+      flexDirection: "row",
+      alignItems: "center",
+      justifyContent: "space-between",
+      paddingHorizontal: spacing.lg,
+      paddingTop: spacing.lg,
+      paddingBottom: spacing.md,
+      borderBottomWidth: 1,
+      borderBottomColor: colors.border,
+    },
+    title: {
+      fontFamily: fonts.bodySemiBold,
+      fontSize: 18,
+    },
+    close: {
+      fontFamily: fonts.bodyMedium,
+      fontSize: 15,
+    },
+    body: {
+      padding: spacing.lg,
+      gap: spacing.md,
+    },
+    label: {
+      fontFamily: fonts.bodySemiBold,
+      fontSize: 14,
+    },
+    chipWrap: {
+      flexDirection: "row",
+      flexWrap: "wrap",
+      gap: spacing.sm,
+    },
+    preview: {
+      fontFamily: fonts.body,
+      fontSize: 14,
+    },
+  });
diff --git a/lib/account-actions.ts b/lib/account-actions.ts
index 0f3de42..e8923c0 100644
--- a/lib/account-actions.ts
+++ b/lib/account-actions.ts
@@ -1,24 +1,33 @@
 import { router } from "expo-router";
 import { Alert } from "react-native";
+import type { createAuthClient } from "better-auth/react";
 
 import type { RemoveAccountResult } from "@/contexts/AccountsContext";
+import { performAuthReset } from "@/lib/auth-session";
+
+type AuthClient = ReturnType<typeof createAuthClient>;
 
 type FinishAccountRemovalInput = {
   result: RemoveAccountResult;
+  authClient: AuthClient;
   clearActiveAccount: () => Promise<void>;
-  signOut: () => Promise<unknown>;
+  activeAccountId: string | null;
 };
 
 /** Navigate to sign-in when the last saved account was removed. */
 export async function finishAccountRemoval({
   result,
+  authClient,
   clearActiveAccount,
-  signOut,
+  activeAccountId,
 }: FinishAccountRemovalInput): Promise<void> {
   if (result.remainingCount > 0) return;
 
-  await signOut();
-  await clearActiveAccount();
+  await performAuthReset({
+    authClient,
+    clearActiveAccount,
+    activeAccountId,
+  });
   router.replace("/(auth)/sign-in");
 }
 
diff --git a/lib/auth-api.ts b/lib/auth-api.ts
index f85b2cc..5e7a1a8 100644
--- a/lib/auth-api.ts
+++ b/lib/auth-api.ts
@@ -1,11 +1,5 @@
 import { getApiUrl } from "@/lib/config";
-
-type ApiError = { error?: string; message?: string };
-
-async function parseError(res: Response) {
-  const data = (await res.json().catch(() => ({}))) as ApiError;
-  return data.error ?? data.message ?? "Something went wrong";
-}
+import { readHttpErrorMessage } from "@/lib/trpc-errors";
 
 export async function registerAccount(input: {
   firstName: string;
@@ -20,7 +14,7 @@ export async function registerAccount(input: {
   });
 
   if (!res.ok) {
-    throw new Error(await parseError(res));
+    throw new Error(await readHttpErrorMessage(res));
   }
 }
 
@@ -32,7 +26,7 @@ export async function requestPasswordReset(email: string) {
   });
 
   if (!res.ok) {
-    throw new Error(await parseError(res));
+    throw new Error(await readHttpErrorMessage(res));
   }
 
   const data = (await res.json()) as { message?: string };
@@ -47,6 +41,6 @@ export async function resetPassword(token: string, password: string) {
   });
 
   if (!res.ok) {
-    throw new Error(await parseError(res));
+    throw new Error(await readHttpErrorMessage(res));
   }
 }
diff --git a/lib/auth-cookie.ts b/lib/auth-cookie.ts
new file mode 100644
index 0000000..041060e
--- /dev/null
+++ b/lib/auth-cookie.ts
@@ -0,0 +1,55 @@
+import { getCookie as serializeStoredCookies } from "@better-auth/expo/client";
+import * as SecureStore from "expo-secure-store";
+import type { createAuthClient } from "better-auth/react";
+
+import { normalizeSecureStoreKey } from "@/lib/secure-store-keys";
+
+type AuthClient = ReturnType<typeof createAuthClient>;
+
+const CHUNK_MARKER = "\u0001ba-chunks:";
+
+function readSecureStoreValueSync(key: string): string | null {
+  const value = SecureStore.getItem(key);
+  if (value == null) return null;
+  if (!value.startsWith(CHUNK_MARKER)) return value;
+
+  const count = Number(value.slice(CHUNK_MARKER.length));
+  if (!Number.isInteger(count) || count < 1) return null;
+
+  let assembled = "";
+  for (let index = 0; index < count; index += 1) {
+    const chunk = SecureStore.getItem(`${key}.${index}`);
+    if (chunk == null) return null;
+    assembled += chunk;
+  }
+  return assembled;
+}
+
+/** Read session cookie string for tRPC requests (Expo client plugin + SecureStore fallback). */
+export function getAuthCookie(
+  authClient: AuthClient,
+  storagePrefix: string,
+): string | null {
+  const fromClient = (
+    authClient as AuthClient & { getCookie?: () => string }
+  ).getCookie?.();
+  if (fromClient?.trim()) return fromClient.trim();
+
+  const raw = readSecureStoreValueSync(
+    normalizeSecureStoreKey(`${storagePrefix}_cookie`),
+  );
+  if (!raw || raw === "{}") return null;
+
+  const cookie = serializeStoredCookies(raw);
+  return cookie.trim() || null;
+}
+
+export function getAuthCookieHeaders(
+  authClient: AuthClient,
+  storagePrefix: string,
+): Record<string, string> {
+  const cookie = getAuthCookie(authClient, storagePrefix);
+  return cookie
+    ? { cookie, Cookie: cookie, "x-beenvoice-auth-cookie": cookie }
+    : {};
+}
diff --git a/lib/auth-session.ts b/lib/auth-session.ts
new file mode 100644
index 0000000..9727a48
--- /dev/null
+++ b/lib/auth-session.ts
@@ -0,0 +1,60 @@
+import type { createAuthClient } from "better-auth/react";
+
+import { authStoragePrefix } from "@/lib/accounts";
+import {
+  clearAuthStorage,
+  GUEST_AUTH_STORAGE_PREFIX,
+  prepareForAdditionalSignIn,
+} from "@/lib/auth-storage";
+
+type AuthClient = ReturnType<typeof createAuthClient>;
+
+type PerformAuthResetInput = {
+  authClient: AuthClient;
+  clearActiveAccount: () => Promise<void>;
+  activeAccountId?: string | null;
+  refetchSession?: () => Promise<unknown>;
+};
+
+/** Sign out, wipe local auth storage, and return to guest mode for a clean sign-in screen. */
+export async function performAuthReset({
+  authClient,
+  clearActiveAccount,
+  activeAccountId,
+  refetchSession,
+}: PerformAuthResetInput): Promise<void> {
+  const accountPrefix = activeAccountId ? authStoragePrefix(activeAccountId) : null;
+
+  try {
+    await authClient.signOut();
+  } catch {
+    // Continue clearing local state even when the server session is already gone.
+  }
+
+  if (accountPrefix) {
+    await clearAuthStorage(accountPrefix);
+  }
+  await clearAuthStorage(GUEST_AUTH_STORAGE_PREFIX);
+  await clearActiveAccount();
+  await refetchSession?.();
+}
+
+/**
+ * When the auth stack is shown, discard stale SecureStore sessions so sign-in starts clean.
+ * Expired account sessions switch back to guest storage; orphaned guest copies are cleared.
+ */
+export async function prepareAuthScreenSession(
+  authClient: AuthClient,
+  activeAccountId: string | null,
+  clearActiveAccount: () => Promise<void>,
+): Promise<void> {
+  const session = await authClient.getSession();
+  if (session.data?.user) return;
+
+  if (activeAccountId) {
+    await clearAuthStorage(authStoragePrefix(activeAccountId));
+    await clearActiveAccount();
+  }
+
+  await prepareForAdditionalSignIn();
+}
diff --git a/lib/auth-storage.ts b/lib/auth-storage.ts
index f5e0c49..2c08552 100644
--- a/lib/auth-storage.ts
+++ b/lib/auth-storage.ts
@@ -74,6 +74,8 @@ export async function migrateAuthStorage(fromPrefix: string, toPrefix: string):
       copySecureStoreEntry(storageKeyForPrefix(fromPrefix, suffix), storageKeyForPrefix(toPrefix, suffix)),
     ),
   );
+
+  await clearAuthStorage(fromPrefix);
 }
 
 export async function clearAuthStorage(prefix: string): Promise<void> {
diff --git a/lib/query-client.ts b/lib/query-client.ts
index 980fb77..21e8b36 100644
--- a/lib/query-client.ts
+++ b/lib/query-client.ts
@@ -1,6 +1,6 @@
 import { MutationCache, QueryCache, QueryClient } from "@tanstack/react-query";
 
-import { isUnauthorizedError } from "@/lib/trpc-errors";
+import { isRateLimitError, isUnauthorizedError } from "@/lib/trpc-errors";
 
 export function createAppQueryClient(onUnauthorized: () => void) {
   const handleError = (error: unknown) => {
@@ -16,7 +16,13 @@ export function createAppQueryClient(onUnauthorized: () => void) {
       queries: {
         staleTime: 30_000,
         retry: (failureCount, error) => {
-          if (isUnauthorizedError(error)) return false;
+          if (isUnauthorizedError(error) || isRateLimitError(error)) return false;
+          return failureCount < 1;
+        },
+      },
+      mutations: {
+        retry: (failureCount, error) => {
+          if (isRateLimitError(error)) return false;
           return failureCount < 1;
         },
       },
diff --git a/lib/trpc-errors.ts b/lib/trpc-errors.ts
index c312751..36858b2 100644
--- a/lib/trpc-errors.ts
+++ b/lib/trpc-errors.ts
@@ -1,8 +1,121 @@
 import { TRPCClientError } from "@trpc/client";
 
-export function isUnauthorizedError(error: unknown): boolean {
+function errorMessage(error: unknown): string {
+  if (error instanceof TRPCClientError) return error.message;
+  if (error instanceof Error) return error.message;
+  if (typeof error === "object" && error !== null && "message" in error) {
+    const message = (error as { message: unknown }).message;
+    if (typeof message === "string") return message;
+  }
+  return "";
+}
+
+function errorStatus(error: unknown): number | undefined {
+  if (typeof error !== "object" || error === null || !("status" in error)) return undefined;
+  const status = (error as { status: unknown }).status;
+  return typeof status === "number" ? status : undefined;
+}
+
+export function parseRetryAfterSeconds(value: string | number | null | undefined): number | null {
+  if (value == null || value === "") return null;
+  const seconds = typeof value === "number" ? value : Number(value);
+  if (!Number.isFinite(seconds) || seconds <= 0) return null;
+  return Math.ceil(seconds);
+}
+
+export function isRateLimitError(error: unknown): boolean {
+  if (errorStatus(error) === 429) return true;
+
+  if (error instanceof TRPCClientError && error.data?.code === "TOO_MANY_REQUESTS") {
+    return true;
+  }
+
+  const message = errorMessage(error).toLowerCase();
   return (
-    error instanceof TRPCClientError &&
-    (error.data?.code === "UNAUTHORIZED" || error.message === "UNAUTHORIZED")
+    message.includes("too many") ||
+    message.includes("rate limit") ||
+    message.includes("try again later")
   );
 }
+
+export function isUnauthorizedError(error: unknown): boolean {
+  if (isRateLimitError(error)) return false;
+
+  if (error instanceof TRPCClientError) {
+    if (error.data?.code === "UNAUTHORIZED") return true;
+  }
+
+  if (errorStatus(error) === 401) return true;
+
+  const message = errorMessage(error).toLowerCase();
+  return message === "unauthorized" || message.includes("not authenticated");
+}
+
+export function formatRateLimitMessage(retryAfterSeconds?: number | null): string {
+  const retryAfter = parseRetryAfterSeconds(retryAfterSeconds ?? null);
+  if (retryAfter != null) {
+    if (retryAfter < 60) {
+      return `Too many attempts. Wait ${retryAfter} second${retryAfter === 1 ? "" : "s"} and try again.`;
+    }
+    const minutes = Math.ceil(retryAfter / 60);
+    return `Too many attempts. Wait about ${minutes} minute${minutes === 1 ? "" : "s"} and try again.`;
+  }
+  return "Too many attempts. Please wait a moment and try again.";
+}
+
+export function formatTrpcErrorMessage(error: unknown, fallback = "Something went wrong"): string {
+  if (isRateLimitError(error)) {
+    return formatRateLimitMessage();
+  }
+  if (isUnauthorizedError(error)) {
+    return "Your session expired. Sign in again to continue.";
+  }
+  if (error instanceof TRPCClientError) {
+    return error.message || fallback;
+  }
+  if (error instanceof Error) {
+    return error.message || fallback;
+  }
+  return fallback;
+}
+
+type AuthLikeError = {
+  message?: string;
+  status?: number;
+};
+
+export function formatAuthErrorMessage(error: AuthLikeError | null | undefined): string {
+  if (!error) return "Something went wrong";
+
+  if (isRateLimitError(error)) {
+    return formatRateLimitMessage();
+  }
+
+  const message = error.message ?? "";
+  if (message.toLowerCase().includes("internal") || message.includes("500")) {
+    return "Server error — is the API running with Postgres? Check beenvoice dev + docker.";
+  }
+
+  return message || "Invalid email or password";
+}
+
+export async function readHttpErrorMessage(response: Response): Promise<string> {
+  if (response.status === 429) {
+    const retryAfter = parseRetryAfterSeconds(
+      response.headers.get("x-retry-after") ?? response.headers.get("retry-after"),
+    );
+    return formatRateLimitMessage(retryAfter);
+  }
+
+  const data = (await response.json().catch(() => ({}))) as {
+    error?: string;
+    message?: string;
+  };
+
+  const message = data.error ?? data.message;
+  if (message && isRateLimitError({ message, status: response.status })) {
+    return formatRateLimitMessage();
+  }
+
+  return message ?? "Something went wrong";
+}
diff --git a/lib/trpc.tsx b/lib/trpc.tsx
index c09201e..073cd02 100644
--- a/lib/trpc.tsx
+++ b/lib/trpc.tsx
@@ -1,25 +1,65 @@
 import { httpBatchLink } from "@trpc/client";
 import { createTRPCReact } from "@trpc/react-query";
-import { useCallback, useRef, useState, type ReactNode } from "react";
+import {
+  useCallback,
+  useEffect,
+  useRef,
+  useState,
+  type ReactNode,
+} from "react";
 import SuperJSON from "superjson";
 
+import { useAccounts } from "@/contexts/AccountsContext";
 import { useAuthClient, useSession } from "@/contexts/AuthContext";
+import { getAuthCookieHeaders } from "@/lib/auth-cookie";
+import { performAuthReset } from "@/lib/auth-session";
 import { createAppQueryClient } from "@/lib/query-client";
 import type { AppRouter } from "beenvoice/server/api/root";
 
 export const api = createTRPCReact<AppRouter>();
 
-export function TRPCProvider({ apiUrl, children }: { apiUrl: string; children: ReactNode }) {
+export function TRPCProvider({
+  apiUrl,
+  children,
+}: {
+  apiUrl: string;
+  children: ReactNode;
+}) {
   const authClient = useAuthClient();
+  const { authStoragePrefix, activeAccountId, clearActiveAccount } =
+    useAccounts();
   const { refetch } = useSession();
+  const authStoragePrefixRef = useRef(authStoragePrefix);
+  authStoragePrefixRef.current = authStoragePrefix;
+
+  const mountedRef = useRef(true);
+  const resettingRef = useRef(false);
+
+  useEffect(() => {
+    mountedRef.current = true;
+    return () => {
+      mountedRef.current = false;
+    };
+  }, []);
 
   const handleUnauthorized = useCallback(async () => {
+    if (!activeAccountId || resettingRef.current || !mountedRef.current) return;
+
     const session = await authClient.getSession();
-    if (!session.data?.user) {
-      await authClient.signOut();
-      await refetch();
+    if (session.data?.user || !mountedRef.current) return;
+
+    resettingRef.current = true;
+    try {
+      await performAuthReset({
+        authClient,
+        clearActiveAccount,
+        activeAccountId,
+        refetchSession: refetch,
+      });
+    } finally {
+      resettingRef.current = false;
     }
-  }, [authClient, refetch]);
+  }, [authClient, clearActiveAccount, activeAccountId, refetch]);
 
   const onUnauthorizedRef = useRef(handleUnauthorized);
   onUnauthorizedRef.current = handleUnauthorized;
@@ -37,10 +77,10 @@ export function TRPCProvider({ apiUrl, children }: { apiUrl: string; children: R
           url: `${apiUrl}/api/trpc`,
           transformer: SuperJSON,
           headers() {
-            const cookie = (
-              authClient as { getCookie?: () => string | null | undefined }
-            ).getCookie?.();
-            return cookie ? { cookie } : {};
+            return getAuthCookieHeaders(
+              authClient,
+              authStoragePrefixRef.current,
+            );
           },
         }),
       ],