feat(products): improve replenishment-aware shopping suggestions

Replace product weight and repurchase intent fields with per-package remaining levels and inventory-first restock signals. Enrich shopping suggestions with usage-aware replenishment scoring so the frontend and LLM can prioritize real gaps and near-empty staples more reliably.

frontend/messages/en.json

@@ -95,8 +95,11 @@
   "inventory_openedDate": "Opened date",
   "inventory_finishedDate": "Finished date",
   "inventory_expiryDate": "Expiry date",
-  "inventory_currentWeight": "Current weight (g)",
-  "inventory_lastWeighed": "Last weighed",
+  "inventory_remainingLevel": "Remaining product level",
+  "inventory_remainingHigh": "high",
+  "inventory_remainingMedium": "medium",
+  "inventory_remainingLow": "low",
+  "inventory_remainingNearlyEmpty": "nearly empty",
   "inventory_notes": "Notes",
   "inventory_badgeOpen": "Open",
   "inventory_badgeSealed": "Sealed",
@@ -104,8 +107,6 @@
   "inventory_exp": "Exp:",
   "inventory_opened": "Opened:",
   "inventory_finished": "Finished:",
-  "inventory_remaining": "g remaining",
-  "inventory_weighed": "Weighed:",
   "inventory_confirmDelete": "Delete this package?",
 
   "routines_title": "Routines",
@@ -514,7 +515,6 @@
   "productForm_isTool": "Is tool (e.g. dermaroller)",
   "productForm_needleLengthMm": "Needle length (mm, tools only)",
   "productForm_personalNotes": "Personal notes",
-  "productForm_repurchaseIntent": "Repurchase intent",
   "productForm_toleranceNotes": "Tolerance notes",
   "productForm_toleranceNotesPlaceholder": "e.g. Causes mild stinging, fine after 2 weeks",
 

frontend/messages/pl.json

@@ -97,8 +97,11 @@
   "inventory_openedDate": "Data otwarcia",
   "inventory_finishedDate": "Data skończenia",
   "inventory_expiryDate": "Data ważności",
-  "inventory_currentWeight": "Aktualna waga (g)",
-  "inventory_lastWeighed": "Ostatnie ważenie",
+  "inventory_remainingLevel": "Poziom pozostałego produktu:",
+  "inventory_remainingHigh": "dużo",
+  "inventory_remainingMedium": "średnio",
+  "inventory_remainingLow": "mało",
+  "inventory_remainingNearlyEmpty": "prawie puste",
   "inventory_notes": "Notatki",
   "inventory_badgeOpen": "Otwarte",
   "inventory_badgeSealed": "Zamknięte",
@@ -106,8 +109,6 @@
   "inventory_exp": "Wazność:",
   "inventory_opened": "Otwarto:",
   "inventory_finished": "Skończono:",
-  "inventory_remaining": "g pozostało",
-  "inventory_weighed": "Ważono:",
   "inventory_confirmDelete": "Usunąć to opakowanie?",
 
   "routines_title": "Rutyny",
@@ -528,7 +529,6 @@
   "productForm_isTool": "To narzędzie (np. dermaroller)",
   "productForm_needleLengthMm": "Długość igły (mm, tylko narzędzia)",
   "productForm_personalNotes": "Notatki osobiste",
-  "productForm_repurchaseIntent": "Zamiar ponownego zakupu",
   "productForm_toleranceNotes": "Notatki o tolerancji",
   "productForm_toleranceNotesPlaceholder": "np. Lekkie pieczenie, ustępuje po 2 tygodniach",
 

frontend/src/lib/api.ts

@@ -135,8 +135,6 @@ export interface ProductParseResponse {
   price_amount?: number;
   price_currency?: string;
   size_ml?: number;
-  full_weight_g?: number;
-  empty_weight_g?: number;
   pao_months?: number;
   inci?: string[];
   actives?: ActiveIngredient[];

frontend/src/lib/components/ProductForm.svelte

@@ -165,8 +165,6 @@
 	let sku = $state(untrack(() => product?.sku ?? ''));
 	let barcode = $state(untrack(() => product?.barcode ?? ''));
 	let sizeMl = $state(untrack(() => (product?.size_ml != null ? String(product.size_ml) : '')));
-	let fullWeightG = $state(untrack(() => (product?.full_weight_g != null ? String(product.full_weight_g) : '')));
-	let emptyWeightG = $state(untrack(() => (product?.empty_weight_g != null ? String(product.empty_weight_g) : '')));
 	let paoMonths = $state(untrack(() => (product?.pao_months != null ? String(product.pao_months) : '')));
 	let phMin = $state(untrack(() => (product?.ph_min != null ? String(product.ph_min) : '')));
 	let phMax = $state(untrack(() => (product?.ph_max != null ? String(product.ph_max) : '')));
@@ -221,8 +219,6 @@
 		if (r.price_currency) priceCurrency = r.price_currency;
 		if (r.leave_on != null) leaveOn = String(r.leave_on);
 		if (r.size_ml != null) sizeMl = String(r.size_ml);
-		if (r.full_weight_g != null) fullWeightG = String(r.full_weight_g);
-		if (r.empty_weight_g != null) emptyWeightG = String(r.empty_weight_g);
 		if (r.pao_months != null) paoMonths = String(r.pao_months);
 		if (r.ph_min != null) phMin = String(r.ph_min);
 		if (r.ph_max != null) phMax = String(r.ph_max);
@@ -281,9 +277,6 @@
 	let pregnancySafe = $state(
 		untrack(() => (product?.pregnancy_safe != null ? String(product.pregnancy_safe) : ''))
 	);
-	let personalRepurchaseIntent = $state(
-		untrack(() => (product?.personal_repurchase_intent != null ? String(product.personal_repurchase_intent) : ''))
-	);
 
 	// context rules tristate
 	const cr = untrack(() => product?.context_rules);
@@ -403,8 +396,6 @@
 			sku,
 			barcode,
 			sizeMl,
-			fullWeightG,
-			emptyWeightG,
 			paoMonths,
 			phMin,
 			phMax,
@@ -428,7 +419,6 @@
 			essentialOilsFree,
 			alcoholDenatFree,
 			pregnancySafe,
-			personalRepurchaseIntent,
 			ctxAfterShaving,
 			ctxAfterAcids,
 			ctxAfterRetinoids,
@@ -723,8 +713,6 @@
 		bind:priceAmount
 		bind:priceCurrency
 		bind:sizeMl
-		bind:fullWeightG
-		bind:emptyWeightG
 		bind:paoMonths
 		bind:phMin
 		bind:phMax
@@ -743,10 +731,7 @@
 	{@const NotesSection = mod.default}
 	<NotesSection
 		visible={editSection === 'notes'}
-		{selectClass}
 		{textareaClass}
-		{tristate}
-		bind:personalRepurchaseIntent
 		bind:personalToleranceNotes
 	/>
 {/await}

frontend/src/lib/components/product-form/ProductFormDetailsSection.svelte

@@ -9,8 +9,6 @@
 		priceAmount = $bindable(''),
 		priceCurrency = $bindable('PLN'),
 		sizeMl = $bindable(''),
-		fullWeightG = $bindable(''),
-		emptyWeightG = $bindable(''),
 		paoMonths = $bindable(''),
 		phMin = $bindable(''),
 		phMax = $bindable(''),
@@ -27,8 +25,6 @@
 		priceAmount?: string;
 		priceCurrency?: string;
 		sizeMl?: string;
-		fullWeightG?: string;
-		emptyWeightG?: string;
 		paoMonths?: string;
 		phMin?: string;
 		phMax?: string;
@@ -63,16 +59,6 @@
 					<Input id="size_ml" name="size_ml" type="number" min="0" step="0.1" placeholder={m["productForm_sizePlaceholder"]()} bind:value={sizeMl} />
 				</div>
 
-				<div class="space-y-2">
-					<Label for="full_weight_g">{m["productForm_fullWeightG"]()}</Label>
-					<Input id="full_weight_g" name="full_weight_g" type="number" min="0" step="0.1" placeholder={m["productForm_fullWeightPlaceholder"]()} bind:value={fullWeightG} />
-				</div>
-
-				<div class="space-y-2">
-					<Label for="empty_weight_g">{m["productForm_emptyWeightG"]()}</Label>
-					<Input id="empty_weight_g" name="empty_weight_g" type="number" min="0" step="0.1" placeholder={m["productForm_emptyWeightPlaceholder"]()} bind:value={emptyWeightG} />
-				</div>
-
 				<div class="space-y-2">
 					<Label for="pao_months">{m["productForm_paoMonths"]()}</Label>
 					<Input id="pao_months" name="pao_months" type="number" min="1" max="60" placeholder={m["productForm_paoPlaceholder"]()} bind:value={paoMonths} />

frontend/src/lib/components/product-form/ProductFormNotesSection.svelte

@@ -3,21 +3,13 @@
 	import { Card, CardContent, CardHeader, CardTitle } from '$lib/components/ui/card';
 	import { Label } from '$lib/components/ui/label';
 
-	type TriOption = { value: string; label: string };
-
 	let {
 		visible = false,
-		selectClass,
 		textareaClass,
-		tristate,
-		personalRepurchaseIntent = $bindable(''),
 		personalToleranceNotes = $bindable('')
 	}: {
 		visible?: boolean;
-		selectClass: string;
 		textareaClass: string;
-		tristate: TriOption[];
-		personalRepurchaseIntent?: string;
 		personalToleranceNotes?: string;
 	} = $props();
 </script>
@@ -25,15 +17,6 @@
 <Card class={visible ? '' : 'hidden'}>
 	<CardHeader><CardTitle>{m["productForm_personalNotes"]()}</CardTitle></CardHeader>
 	<CardContent class="space-y-4">
-		<div class="space-y-2">
-			<Label for="repurchase_intent_select">{m["productForm_repurchaseIntent"]()}</Label>
-			<select id="repurchase_intent_select" name="personal_repurchase_intent" class={selectClass} bind:value={personalRepurchaseIntent}>
-				{#each tristate as opt (opt.value)}
-					<option value={opt.value}>{opt.label}</option>
-				{/each}
-			</select>
-		</div>
-
 		<div class="space-y-2">
 			<Label for="personal_tolerance_notes">{m["productForm_toleranceNotes"]()}</Label>
 			<textarea

frontend/src/lib/types.ts

@@ -43,6 +43,7 @@ export type OverallSkinState = "excellent" | "good" | "fair" | "poor";
 export type PartOfDay = "am" | "pm";
 export type PriceTier = "budget" | "mid" | "premium" | "luxury";
 export type PriceTierSource = "category" | "fallback" | "insufficient_data";
+export type RemainingLevel = "high" | "medium" | "low" | "nearly_empty";
 export type ProductCategory =
   | "cleanser"
   | "toner"
@@ -129,8 +130,7 @@ export interface ProductInventory {
   opened_at?: string;
   finished_at?: string;
   expiry_date?: string;
-  current_weight_g?: number;
-  last_weighed_at?: string;
+  remaining_level?: RemainingLevel;
   notes?: string;
   created_at: string;
   product?: Product;
@@ -155,8 +155,6 @@ export interface Product {
   price_per_use_pln?: number;
   price_tier_source?: PriceTierSource;
   size_ml?: number;
-  full_weight_g?: number;
-  empty_weight_g?: number;
   pao_months?: number;
   inci: string[];
   actives?: ActiveIngredient[];
@@ -176,7 +174,6 @@ export interface Product {
   is_tool: boolean;
   needle_length_mm?: number;
   personal_tolerance_notes?: string;
-  personal_repurchase_intent?: boolean;
   created_at: string;
   updated_at: string;
   inventory: ProductInventory[];

frontend/src/routes/products/[id]/+page.server.ts

@@ -127,8 +127,6 @@ export const actions: Actions = {
 
 		// Optional numbers
 		body.size_ml = parseOptionalFloat(form.get('size_ml') as string | null) ?? null;
-		body.full_weight_g = parseOptionalFloat(form.get('full_weight_g') as string | null) ?? null;
-		body.empty_weight_g = parseOptionalFloat(form.get('empty_weight_g') as string | null) ?? null;
 		body.pao_months = parseOptionalInt(form.get('pao_months') as string | null) ?? null;
 		body.ph_min = parseOptionalFloat(form.get('ph_min') as string | null) ?? null;
 		body.ph_max = parseOptionalFloat(form.get('ph_max') as string | null) ?? null;
@@ -144,7 +142,7 @@ export const actions: Actions = {
 		body.is_tool = form.get('is_tool') === 'true';
 
 		// Nullable booleans
-		for (const field of ['fragrance_free', 'essential_oils_free', 'alcohol_denat_free', 'pregnancy_safe', 'personal_repurchase_intent']) {
+		for (const field of ['fragrance_free', 'essential_oils_free', 'alcohol_denat_free', 'pregnancy_safe']) {
 			body[field] = parseTristate(form.get(field) as string | null) ?? null;
 		}
 
@@ -192,10 +190,8 @@ export const actions: Actions = {
 		if (finishedAt) body.finished_at = finishedAt;
 		const expiry = form.get('expiry_date');
 		if (expiry) body.expiry_date = expiry;
-		const weight = form.get('current_weight_g');
-		if (weight) body.current_weight_g = Number(weight);
-		const lastWeighed = form.get('last_weighed_at');
-		if (lastWeighed) body.last_weighed_at = lastWeighed;
+		const remainingLevel = form.get('remaining_level');
+		if (remainingLevel) body.remaining_level = remainingLevel;
 		const notes = form.get('notes');
 		if (notes) body.notes = notes;
 		try {
@@ -219,10 +215,8 @@ export const actions: Actions = {
 		body.finished_at = finishedAt || null;
 		const expiry = form.get('expiry_date');
 		body.expiry_date = expiry || null;
-		const weight = form.get('current_weight_g');
-		body.current_weight_g = weight ? Number(weight) : null;
-		const lastWeighed = form.get('last_weighed_at');
-		body.last_weighed_at = lastWeighed || null;
+		const remainingLevel = form.get('remaining_level');
+		body.remaining_level = remainingLevel || null;
 		const notes = form.get('notes');
 		body.notes = notes || null;
 		try {

frontend/src/routes/products/[id]/+page.svelte

@@ -2,6 +2,7 @@
 	import { enhance } from '$app/forms';
 	import { resolve } from '$app/paths';
 	import type { ActionData, PageData } from './$types';
+	import SimpleSelect from '$lib/components/forms/SimpleSelect.svelte';
 	import { m } from '$lib/paraglide/messages.js';
 	import { Badge } from '$lib/components/ui/badge';
 	import { Button } from '$lib/components/ui/button';
@@ -15,8 +16,16 @@
 	let { data, form }: { data: PageData; form: ActionData } = $props();
 	let { product } = $derived(data);
 
+	const remainingLevels = ['high', 'medium', 'low', 'nearly_empty'] as const;
+    const remainingLevelOptions = remainingLevels.map((level) => ({
+        value: level,
+        label: remainingLevelLabel(level)
+    }));
+
 	let showInventoryForm = $state(false);
+	let addInventoryOpened = $state(false);
 	let editingInventoryId = $state<string | null>(null);
+	let editingInventoryOpened = $state<Record<string, boolean>>({});
 	let activeTab = $state<'inventory' | 'edit'>('edit');
 	let isEditDirty = $state(false);
 	let editSaveVersion = $state(0);
@@ -60,6 +69,14 @@
 		if (value === 'luxury') return m['productForm_priceLuxury']();
 		return value;
 	}
+
+	function remainingLevelLabel(value?: string): string {
+		if (value === 'high') return m['inventory_remainingHigh']();
+		if (value === 'medium') return m['inventory_remainingMedium']();
+		if (value === 'low') return m['inventory_remainingLow']();
+		if (value === 'nearly_empty') return m['inventory_remainingNearlyEmpty']();
+		return '';
+	}
 </script>
 
 <svelte:head><title>{product.name} — innercontext</title></svelte:head>
@@ -147,41 +164,43 @@
 						<CardHeader class="pb-2">
 							<CardTitle class="text-base">{m["inventory_addPackage"]()}</CardTitle>
 						</CardHeader>
-						<CardContent>
-							<form method="POST" action="?/addInventory" use:enhance class="grid grid-cols-1 gap-4 sm:grid-cols-2">
-								<div class="sm:col-span-2 flex items-center gap-2">
-									<input type="checkbox" id="add_is_opened" name="is_opened" value="true" class="h-4 w-4" />
-									<Label for="add_is_opened">{m["inventory_alreadyOpened"]()}</Label>
-								</div>
-								<div class="space-y-1">
-									<Label for="add_opened_at">{m["inventory_openedDate"]()}</Label>
-									<Input id="add_opened_at" name="opened_at" type="date" />
-								</div>
-								<div class="space-y-1">
-									<Label for="add_finished_at">{m["inventory_finishedDate"]()}</Label>
-									<Input id="add_finished_at" name="finished_at" type="date" />
-								</div>
-								<div class="space-y-1">
-									<Label for="add_expiry_date">{m["inventory_expiryDate"]()}</Label>
-									<Input id="add_expiry_date" name="expiry_date" type="date" />
-								</div>
-								<div class="space-y-1">
-									<Label for="add_current_weight_g">{m["inventory_currentWeight"]()}</Label>
-									<Input id="add_current_weight_g" name="current_weight_g" type="number" min="0" />
-								</div>
-								<div class="space-y-1">
-									<Label for="add_last_weighed_at">{m["inventory_lastWeighed"]()}</Label>
-									<Input id="add_last_weighed_at" name="last_weighed_at" type="date" />
-								</div>
-								<div class="space-y-1">
-									<Label for="add_notes">{m.inventory_notes()}</Label>
-									<Input id="add_notes" name="notes" />
-								</div>
-								<div class="flex items-end">
-									<Button type="submit" size="sm">{m.common_add()}</Button>
-								</div>
-							</form>
-						</CardContent>
+					<CardContent>
+						<form method="POST" action="?/addInventory" use:enhance class="grid grid-cols-1 gap-4 sm:grid-cols-2">
+							<div class="sm:col-span-2 flex items-center gap-2">
+								<input type="checkbox" id="add_is_opened" name="is_opened" value="true" class="h-4 w-4" bind:checked={addInventoryOpened} />
+								<Label for="add_is_opened">{m["inventory_alreadyOpened"]()}</Label>
+							</div>
+
+							<div class="space-y-1">
+								<Label for="add_opened_at">{m["inventory_openedDate"]()}</Label>
+								<Input id="add_opened_at" name="opened_at" type="date" />
+							</div>
+							<div class="space-y-1">
+								<Label for="add_finished_at">{m["inventory_finishedDate"]()}</Label>
+								<Input id="add_finished_at" name="finished_at" type="date" />
+							</div>
+							<div class="space-y-1">
+								<Label for="add_expiry_date">{m["inventory_expiryDate"]()}</Label>
+								<Input id="add_expiry_date" name="expiry_date" type="date" />
+							</div>
+							{#if addInventoryOpened}
+								<SimpleSelect
+									id="add_remaining_level"
+									name="remaining_level"
+									label={m["inventory_remainingLevel"]()}
+									options={remainingLevelOptions}
+									placeholder={m.common_unknown()}
+								/>
+							{/if}
+							<div class="space-y-1">
+								<Label for="add_notes">{m.inventory_notes()}</Label>
+								<Input id="add_notes" name="notes" />
+							</div>
+							<div class="flex items-end">
+								<Button type="submit" size="sm">{m.common_add()}</Button>
+							</div>
+						</form>
+					</CardContent>
 					</Card>
 				{/if}
 
@@ -206,11 +225,8 @@
 										{#if pkg.finished_at}
 											<span class="text-muted-foreground">{m.inventory_finished()} {pkg.finished_at.slice(0, 10)}</span>
 										{/if}
-										{#if pkg.current_weight_g}
-											<span class="text-muted-foreground">{pkg.current_weight_g}g {m.inventory_remaining()}</span>
-										{/if}
-										{#if pkg.last_weighed_at}
-											<span class="text-muted-foreground">{m.inventory_weighed()} {pkg.last_weighed_at.slice(0, 10)}</span>
+										{#if pkg.is_opened && pkg.remaining_level}
+											<span class="text-muted-foreground">{m["inventory_remainingLevel"]()} {remainingLevelLabel(pkg.remaining_level)}</span>
 										{/if}
 										{#if pkg.notes}
 											<span class="text-muted-foreground">{pkg.notes}</span>
@@ -220,7 +236,14 @@
 										<Button
 											variant="ghost"
 											size="sm"
-											onclick={() => (editingInventoryId = editingInventoryId === pkg.id ? null : pkg.id)}
+											onclick={() => {
+												if (editingInventoryId === pkg.id) {
+													editingInventoryId = null;
+												} else {
+													editingInventoryId = pkg.id;
+													editingInventoryOpened = { ...editingInventoryOpened, [pkg.id]: pkg.is_opened };
+												}
+											}}
 										>
 											{editingInventoryId === pkg.id ? m.common_cancel() : m.common_edit()}
 										</Button>
@@ -256,7 +279,11 @@
 													id="edit_is_opened_{pkg.id}"
 													name="is_opened"
 													value="true"
-													checked={pkg.is_opened}
+													checked={editingInventoryOpened[pkg.id] ?? pkg.is_opened}
+													onchange={(e) => {
+														const target = e.currentTarget as HTMLInputElement;
+														editingInventoryOpened = { ...editingInventoryOpened, [pkg.id]: target.checked };
+													}}
 													class="h-4 w-4"
 												/>
 												<Label for="edit_is_opened_{pkg.id}">{m["inventory_alreadyOpened"]()}</Label>
@@ -273,14 +300,16 @@
 												<Label for="edit_expiry_{pkg.id}">{m["inventory_expiryDate"]()}</Label>
 												<Input id="edit_expiry_{pkg.id}" name="expiry_date" type="date" value={pkg.expiry_date?.slice(0, 10) ?? ''} />
 											</div>
-											<div class="space-y-1">
-												<Label for="edit_weight_{pkg.id}">{m["inventory_currentWeight"]()}</Label>
-												<Input id="edit_weight_{pkg.id}" name="current_weight_g" type="number" min="0" value={pkg.current_weight_g ?? ''} />
-											</div>
-											<div class="space-y-1">
-												<Label for="edit_last_weighed_{pkg.id}">{m["inventory_lastWeighed"]()}</Label>
-												<Input id="edit_last_weighed_{pkg.id}" name="last_weighed_at" type="date" value={pkg.last_weighed_at?.slice(0, 10) ?? ''} />
-											</div>
+										{#if editingInventoryOpened[pkg.id] ?? pkg.is_opened}
+											<SimpleSelect
+												id={`edit_remaining_level_${pkg.id}`}
+												name="remaining_level"
+												label={m["inventory_remainingLevel"]()}
+												options={remainingLevelOptions}
+												placeholder={m.common_unknown()}
+												value={pkg.remaining_level ?? ''}
+											/>
+										{/if}
 											<div class="space-y-1">
 												<Label for="edit_notes_{pkg.id}">{m.inventory_notes()}</Label>
 												<Input id="edit_notes_{pkg.id}" name="notes" value={pkg.notes ?? ''} />

frontend/src/routes/products/new/+page.server.ts

@@ -118,12 +118,6 @@ export const actions: Actions = {
 		const size_ml = parseOptionalFloat(form.get('size_ml') as string | null);
 		if (size_ml !== undefined) payload.size_ml = size_ml;
 
-		const full_weight_g = parseOptionalFloat(form.get('full_weight_g') as string | null);
-		if (full_weight_g !== undefined) payload.full_weight_g = full_weight_g;
-
-		const empty_weight_g = parseOptionalFloat(form.get('empty_weight_g') as string | null);
-		if (empty_weight_g !== undefined) payload.empty_weight_g = empty_weight_g;
-
 		const pao_months = parseOptionalInt(form.get('pao_months') as string | null);
 		if (pao_months !== undefined) payload.pao_months = pao_months;
 
@@ -149,7 +143,7 @@ export const actions: Actions = {
 		payload.is_tool = form.get('is_tool') === 'true';
 
 		// Nullable booleans
-		for (const field of ['fragrance_free', 'essential_oils_free', 'alcohol_denat_free', 'pregnancy_safe', 'personal_repurchase_intent']) {
+		for (const field of ['fragrance_free', 'essential_oils_free', 'alcohol_denat_free', 'pregnancy_safe']) {
 			const v = parseTristate(form.get(field) as string | null);
 			if (v !== undefined) payload[field] = v;
 		}