feat: frontend improvements - shared schedule, bottle type, settings UI, planner notifications (#146)

- Rewrite SharedSchedule to match DashboardPage rendering with time-based consumption
- Add bottle package type support across all views (MedDetail, Refill, Planner, Dashboard)
- Redesign settings page with colored threshold chips, validation, and stock reminder display
- Add shareStockStatus toggle and send manual reminder button
- Pill/pills singular/plural consistency across all views
- Planner send notification via push (Shoutrrr) in addition to email
- Stock overflow warning and past-missed day styling
- Update README: bottles in Smart Inventory, push in Trip Planner, new ENV section
- 708 passing frontend tests including new coverage for all changes

frontend/src/styles.css

@@ -374,6 +374,31 @@ body.modal-open {
 	color: var(--danger);
 }
 
+.reminder-send-row {
+	display: flex;
+	align-items: center;
+	gap: 0.75rem;
+	padding-left: 1.75rem;
+	padding-top: 0.25rem;
+}
+
+.reminder-send-row .ghost {
+	font-size: 0.8rem;
+	padding: 0.25rem 0.75rem;
+}
+
+.reminder-send-result {
+	font-size: 0.8rem;
+}
+
+.reminder-send-result.success {
+	color: var(--success);
+}
+
+.reminder-send-result.error {
+	color: var(--danger);
+}
+
 .med-link {
 	font-weight: 600;
 	text-decoration: underline;
@@ -473,7 +498,6 @@ body.modal-open {
 	border-radius: 14px;
 	padding: 1.25rem;
 	box-shadow: 0 14px 36px var(--shadow);
-	overflow: hidden;
 	transition:
 		background 200ms ease,
 		border-color 200ms ease;
@@ -1416,6 +1440,20 @@ textarea.auto-resize {
 }
 .day-block.all-taken {
 	border-color: rgba(57, 217, 138, 0.3);
+	background: linear-gradient(135deg, rgba(57, 217, 138, 0.06) 0%, rgba(57, 217, 138, 0.015) 100%);
+}
+.day-block.all-taken .day-divider,
+.day-block.all-taken.stock-warning .day-divider,
+.day-block.all-taken.stock-danger .day-divider {
+	color: var(--success);
+	opacity: 0.8;
+}
+.day-block.past-missed {
+	border-color: rgba(252, 211, 77, 0.35);
+}
+.day-block.past-missed .day-divider {
+	color: var(--warning);
+	opacity: 0.8;
 }
 .day-block.today.all-taken {
 	border-color: var(--success);
@@ -2493,6 +2531,16 @@ textarea.auto-resize {
 	z-index: 101;
 }
 
+/* Tooltip aligned to left edge of icon (prevents clipping inside modals) */
+.info-tooltip.tooltip-align-left::after {
+	left: 0;
+	transform: none;
+}
+.info-tooltip.tooltip-align-left::before {
+	left: 50%;
+	transform: translateX(-50%);
+}
+
 .info-tooltip:hover::after,
 .info-tooltip:hover::before,
 .info-tooltip:focus::after,
@@ -2969,6 +3017,62 @@ textarea.auto-resize {
 	font-size: 0.9rem;
 }
 
+/* Threshold Chips Group - 3-column grid for Critical/Low/High */
+.threshold-chips-group {
+	grid-template-columns: 1fr 1fr 1fr;
+}
+
+.threshold-chips-group label {
+	text-transform: none;
+	letter-spacing: normal;
+}
+
+.threshold-chip-label {
+	display: flex;
+	align-items: center;
+	gap: 0.5rem;
+	margin-bottom: 0.5rem;
+}
+
+.threshold-chip-label .status-chip {
+	pointer-events: none;
+}
+
+.threshold-invalid input {
+	border-color: var(--danger) !important;
+	box-shadow: 0 0 0 1px var(--danger);
+}
+
+.threshold-validation-error {
+	margin: 0.75rem 0 0;
+	padding: 0.5rem 0.75rem;
+	background: rgba(255, 94, 94, 0.1);
+	border: 1px solid rgba(255, 94, 94, 0.3);
+	border-radius: 6px;
+	color: #fca5a5;
+	font-size: 0.8rem;
+	font-weight: 500;
+}
+
+/* Stock Reminder Trigger in Notifications */
+.stock-reminder-trigger {
+	margin-bottom: 0.5rem;
+}
+
+.stock-reminder-trigger .setting-desc {
+	display: flex;
+	align-items: center;
+	gap: 0.5rem;
+	flex-wrap: wrap;
+	margin: 0;
+	font-size: 0.9rem;
+	color: var(--text-secondary);
+}
+
+.stock-reminder-trigger .status-chip {
+	pointer-events: none;
+}
+
 /* Compact Setting Row - for inline toggles without card styling */
 .setting-row.compact {
 	padding: 0.75rem 0;
@@ -3144,6 +3248,9 @@ textarea.auto-resize {
 	.setting-group {
 		grid-template-columns: 1fr;
 	}
+	.threshold-chips-group {
+		grid-template-columns: 1fr 1fr 1fr;
+	}
 }
 
 /* Medication Avatar */