remove patch file

Since the inventory is mostly containing enginge oils, which are sold per liter, the default unit for a new part is set to liter

.gitignore

@@ -12,4 +12,5 @@ backups/
 *.sw?
 .session.vim
 .claude/settings.local.json
-~*
+*~
+/*.bat

deploy/install.bat

@@ -6,16 +6,6 @@ chcp 65001 >nul
 setlocal
 cd /d "%~dp0"
 
-if exist "%ProgramFiles%\nodejs\node.exe" (
-  echo Node.js уже установлен в %ProgramFiles%\nodejs.
-  echo Пропускаем установку.
-  goto :done
-)
-if exist "%ProgramFiles(x86)%\nodejs\node.exe" (
-  echo Node.js уже установлен в %ProgramFiles(x86)%\nodejs.
-  echo Пропускаем установку.
-  goto :done
-)
 
 set "MSI=node-v16.20.2-x64.msi"
 if /i "%PROCESSOR_ARCHITECTURE%"=="x86" if not defined PROCESSOR_ARCHITEW6432 set "MSI=node-v16.20.2-x86.msi"

src/lib/i18n/en.json

@@ -146,7 +146,6 @@
     "active_skus": "Active parts",
     "units_on_hand": "Units on hand",
     "cost_value": "Value (at cost)",
-    "sale_value": "Value (at sale)",
     "low_stock": "Low stock",
     "out_of_stock": "Out of stock",
     "top_parts": "Top selling parts",

src/lib/i18n/store.js

@@ -85,3 +85,20 @@ export function formatMoney(dirams, lang = 'en') {
   const s = n.toFixed(2);
   return lang === 'tg' ? s.replace('.', ',') : s;
 }
+
+export function formatTs(utcStr) {
+  if (!utcStr) return '';
+
+  const normalized = String(utcStr).trim().replace(' ', 'T');
+  const utcDate = new Date(`${normalized}Z`);
+  if (Number.isNaN(utcDate.getTime())) return utcStr;
+
+  const tajikDate = new Date(utcDate.getTime() + 5 * 60 * 60 * 1000);
+  const pad = (n) => String(n).padStart(2, '0');
+
+  return [
+    pad(tajikDate.getUTCDate()),
+    pad(tajikDate.getUTCMonth() + 1),
+    tajikDate.getUTCFullYear()
+  ].join('.') + ` ${pad(tajikDate.getUTCHours())}:${pad(tajikDate.getUTCMinutes())}`;
+}

src/lib/i18n/tg.json

@@ -146,7 +146,6 @@
     "active_skus": "Қисмҳои фаъол",
     "units_on_hand": "Дар анбор",
     "cost_value": "Арзиш (бо нархи харид)",
-    "sale_value": "Арзиш (бо нархи фурӯш)",
     "low_stock": "Захираи кам",
     "out_of_stock": "Тамом шуд",
     "top_parts": "Қисмҳои серфурӯш",

src/lib/server/reports.js

@@ -1,6 +1,6 @@
 import { getDb } from './db.js';
 
-// All time windows are computed in local time using SQLite's `datetime('now', 'localtime')`.
+// All time windows are computed in Tajikistan time (UTC+5) while timestamps are stored as UTC.
 // Cost of goods (COG) and profit are computed against each part's current cost_price —
 // the schema does not snapshot cost at sale time, so historical cost changes are not
 // reflected. Custom (non-inventory) lines contribute to sale revenue but have zero COG.
@@ -29,9 +29,9 @@ function windowStats(dateClause) {
 export function salesSummary() {
   return {
     all_time: windowStats(''),
-    today: windowStats(`date(saved_at, 'localtime') = date('now', 'localtime')`),
+    today: windowStats(`date(saved_at, '+5 hours') = date('now', '+5 hours')`),
-    week: windowStats(`date(saved_at, 'localtime') >= date('now', 'localtime', '-6 days')`),
+    week: windowStats(`date(saved_at, '+5 hours') >= date('now', '+5 hours', '-6 days')`),
-    month: windowStats(`strftime('%Y-%m', saved_at, 'localtime') = strftime('%Y-%m', 'now', 'localtime')`)
+    month: windowStats(`strftime('%Y-%m', saved_at, '+5 hours') = strftime('%Y-%m', 'now', '+5 hours')`)
   };
 }
 

src/routes/+page.svelte

@@ -1,5 +1,5 @@
 <script>
-  import { locale, t, localized } from '$lib/i18n/store.js';
+  import { locale, t, localized, formatTs } from '$lib/i18n/store.js';
 
   export let data;
   $: lang = $locale;
@@ -48,7 +48,7 @@
     <tbody>
       {#each movements as m}
         <tr>
-          <td>{m.created_at}</td>
+          <td>{formatTs(m.created_at)}</td>
           <td><span class="pill">{$t('movements.type_' + m.movement_type)}</span></td>
           <td><a href="/parts/{m.part_id}">{localized(m, 'name', lang)}</a></td>
           <td class="num">{m.quantity}</td>

src/routes/admin/reports/+page.svelte

@@ -1,16 +1,10 @@
 <script>
-  import { locale, t, localized, formatMoney } from '$lib/i18n/store.js';
+  import { locale, t, localized, formatMoney, formatTs } from '$lib/i18n/store.js';
 
   export let data;
   $: lang = $locale;
   $: ({ sales, topParts, inventory, recentSales } = data);
 
-  function formatWhen(iso) {
-    if (!iso) return '';
-    const d = new Date(iso.replace(' ', 'T') + 'Z');
-    const pad = (n) => String(n).padStart(2, '0');
-    return `${d.getFullYear()}-${pad(d.getMonth() + 1)}-${pad(d.getDate())} ${pad(d.getHours())}:${pad(d.getMinutes())}`;
-  }
 </script>
 
 <h2>{$t('reports.sales_heading')}</h2>
@@ -56,13 +50,7 @@
       <span class="cur">{$t('common.currency_short')}</span>
     </div>
   </div>
-  <div class="card stat">
+  <div></div>
-    <div class="label">{$t('reports.sale_value')}</div>
-    <div class="value">
-      {formatMoney(inventory.sale_value_dirams, lang)}
-      <span class="cur">{$t('common.currency_short')}</span>
-    </div>
-  </div>
   <div class="card stat">
     <div class="label">{$t('reports.low_stock')}</div>
     <div class="value" class:warn={inventory.lowStockCount > 0}>{inventory.lowStockCount}</div>
@@ -128,7 +116,7 @@
     <tbody>
       {#each recentSales as s}
         <tr>
-          <td>{formatWhen(s.saved_at)}</td>
+          <td>{formatTs(s.saved_at)}</td>
           <td class="num">{s.line_count}</td>
           <td class="num">
             {formatMoney(s.sale_dirams, lang)}

src/routes/invoices/[id]/+page.svelte

@@ -1,5 +1,5 @@
 <script>
-  import { locale, t, localized, formatMoney } from '$lib/i18n/store.js';
+  import { locale, t, localized, formatMoney, formatTs } from '$lib/i18n/store.js';
 
   export let data;
   $: lang = $locale;
@@ -15,7 +15,7 @@
   <header class="head">
     <div>
       <h1>{$t('invoices.saved_title')} #{invoice.id}</h1>
-      <p class="muted">{invoice.saved_at}</p>
+      <p class="muted">{formatTs(invoice.saved_at)}</p>
     </div>
     <a href="/invoices/new" class="print-hide back">← {$t('invoices.new_another')}</a>
   </header>

src/routes/parts/[id]/+page.svelte

@@ -1,6 +1,6 @@
 <script>
   import { enhance } from '$app/forms';
-  import { locale, t, localized, formatMoney } from '$lib/i18n/store.js';
+  import { locale, t, localized, formatMoney, formatTs } from '$lib/i18n/store.js';
 
   export let data;
   export let form;
@@ -117,8 +117,8 @@
         {$t('parts.reorder_level')}: {part.reorder_level}
       </div>
       <hr />
-      <div class="muted small">{$t('common.created')}: {part.created_at}</div>
+      <div class="muted small">{$t('common.created')}: {formatTs(part.created_at)}</div>
-      <div class="muted small">{$t('common.updated')}: {part.updated_at}</div>
+      <div class="muted small">{$t('common.updated')}: {formatTs(part.updated_at)}</div>
     </div>
 
     <h2>{$t('parts.recent_movements')}</h2>
@@ -137,7 +137,7 @@
         <tbody>
           {#each movements as m}
             <tr>
-              <td>{m.created_at}</td>
+              <td>{formatTs(m.created_at)}</td>
               <td><span class="pill">{$t('movements.type_' + m.movement_type)}</span></td>
               <td class="num">{m.quantity > 0 ? '+' : ''}{m.quantity}</td>
               <td class="num">{m.unit_price != null ? formatMoney(m.unit_price, lang) : $t('common.none')}</td>

src/routes/parts/new/+page.svelte

@@ -54,7 +54,7 @@
   <div class="row">
     <label>
       {$t('parts.unit')}
-      <input name="unit" value={values.unit ?? 'pcs'} />
+      <input name="unit" value={values.unit ?? 'liter'} />
     </label>
     <label>
       {$t('parts.reorder_level')}