diff --git a/src/components/layout/capture-picker.tsx b/src/components/layout/capture-picker.tsx
index 71b68fa82..7060b20be 100644
--- a/src/components/layout/capture-picker.tsx
+++ b/src/components/layout/capture-picker.tsx
@@ -7,6 +7,17 @@ import { MeasurementForm } from "@/components/measurements/measurement-form";
 import { MoodForm } from "@/components/mood/mood-form";
 import { MedicationIntakeQuickAdd } from "@/components/dashboard/medication-intake-quick-add";
 import { ResponsiveSheet } from "@/components/ui/responsive-sheet";
+import {
+  AlertDialog,
+  AlertDialogAction,
+  AlertDialogCancel,
+  AlertDialogContent,
+  AlertDialogDescription,
+  AlertDialogFooter,
+  AlertDialogHeader,
+  AlertDialogTitle,
+} from "@/components/ui/alert-dialog";
+import { sheetBodyHasUnsavedInput } from "@/components/dashboard/quick-entry-sheets";
 import { useTranslations } from "@/lib/i18n/context";
 
 /**
@@ -26,6 +37,12 @@ import { useTranslations } from "@/lib/i18n/context";
  * Nothing here orphans a route: the same surfaces remain reachable
  * from their own pages (`/measurements`, `/mood`, dashboard) and from
  * the More hub. The picker is an additional fast path, not a removal.
+ *
+ * v1.30.1 — the form sheet shares the dashboard quick-entry sheets'
+ * confirm-before-discard guard (`sheetBodyHasUnsavedInput()`), so a
+ * swipe-down / backdrop tap / Escape on a half-filled form from the
+ * primary mobile capture path asks before dropping typed input,
+ * instead of closing unconditionally.
  */
 
 type CaptureKind = "measurement" | "medication" | "mood";
@@ -41,6 +58,10 @@ export function CapturePicker({ open, onOpenChange }: CapturePickerProps) {
   const { t } = useTranslations();
   const [kind, setKind] = useState<CaptureKind | null>(null);
   const [footerEl, setFooterEl] = useState<HTMLDivElement | null>(null);
+  // v1.30.1 — mirrors `QuickEntrySheets`' `confirmDiscardOpen`: hold a
+  // dismiss attempt here instead of closing outright when the form
+  // body carries unsaved input.
+  const [confirmDiscardOpen, setConfirmDiscardOpen] = useState(false);
 
   function chooseKind(next: CaptureKind) {
     // Close the chooser first, then open the form sheet so only one
@@ -53,6 +74,18 @@ export function CapturePicker({ open, onOpenChange }: CapturePickerProps) {
     setKind(null);
   }
 
+  // Intercept a form-sheet dismiss: close immediately when the form is
+  // clean, otherwise keep the sheet open and ask before discarding —
+  // same contract as `QuickEntrySheets.handleQuickEntryOpenChange`.
+  function handleFormOpenChange(next: boolean) {
+    if (next) return;
+    if (sheetBodyHasUnsavedInput()) {
+      setConfirmDiscardOpen(true);
+      return;
+    }
+    closeForm();
+  }
+
   const options: ReadonlyArray<{
     kind: CaptureKind;
     label: string;
@@ -127,9 +160,7 @@ export function CapturePicker({ open, onOpenChange }: CapturePickerProps) {
       {/* The chosen capture surface, reusing the existing form. */}
       <ResponsiveSheet
         open={kind !== null}
-        onOpenChange={(next) => {
-          if (!next) closeForm();
-        }}
+        onOpenChange={handleFormOpenChange}
         title={formTitle}
         footer={<div ref={setFooterEl} className="flex w-full" />}
       >
@@ -155,6 +186,39 @@ export function CapturePicker({ open, onOpenChange }: CapturePickerProps) {
           />
         )}
       </ResponsiveSheet>
+
+      {/* v1.30.1 — confirm before discarding a partly-filled capture
+          form when the sheet is dismissed by an overlay tap, Escape,
+          or a mobile swipe-down. Copy shared with the dashboard
+          quick-entry sheets' identical guard. */}
+      <AlertDialog
+        open={confirmDiscardOpen}
+        onOpenChange={setConfirmDiscardOpen}
+      >
+        <AlertDialogContent>
+          <AlertDialogHeader>
+            <AlertDialogTitle>
+              {t("dashboard.quickEntryDiscard.title")}
+            </AlertDialogTitle>
+            <AlertDialogDescription>
+              {t("dashboard.quickEntryDiscard.description")}
+            </AlertDialogDescription>
+          </AlertDialogHeader>
+          <AlertDialogFooter>
+            <AlertDialogCancel>
+              {t("dashboard.quickEntryDiscard.cancel")}
+            </AlertDialogCancel>
+            <AlertDialogAction
+              onClick={() => {
+                setConfirmDiscardOpen(false);
+                closeForm();
+              }}
+            >
+              {t("dashboard.quickEntryDiscard.confirm")}
+            </AlertDialogAction>
+          </AlertDialogFooter>
+        </AlertDialogContent>
+      </AlertDialog>
     </>
   );
 }