Magacin: razdvojeni Magacin/Usluge/Troškovi i izbačen Tip iz forme

ArtikalFilter dobija polje Tip; zajednički magacinPrikaz parametrizovan tipom
servi listu proizvoda (/magacin), usluga (/usluge) i troškova (/troskovi) preko
istog šablona (OsnovniUrl za HTMX). Sidebar dobija stavke Usluge i Troškovi.
Magacin forma više ne nudi izbor tipa — artikal je uvek proizvod.

web/templates/komponente/sidebar.html

@@ -31,6 +31,18 @@
             <span class="nav-tooltip">Magacin</span>
         </a>
 
+        <a href="/usluge" class="nav-stavka {{if eq .Stranica "usluge"}}aktivan{{end}}">
+            <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M16 4h2a2 2 0 0 1 2 2v14a2 2 0 0 1-2 2H6a2 2 0 0 1-2-2V6a2 2 0 0 1 2-2h2"/><rect x="8" y="2" width="8" height="4" rx="1" ry="1"/><path d="M9 14l2 2 4-4"/></svg>
+            <span>Usluge</span>
+            <span class="nav-tooltip">Usluge</span>
+        </a>
+
+        <a href="/troskovi" class="nav-stavka {{if eq .Stranica "troskovi"}}aktivan{{end}}">
+            <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><line x1="12" y1="1" x2="12" y2="23"/><path d="M17 5H9.5a3.5 3.5 0 0 0 0 7h5a3.5 3.5 0 0 1 0 7H6"/></svg>
+            <span>Troškovi</span>
+            <span class="nav-tooltip">Troškovi</span>
+        </a>
+
         {{if index .Dozvole "nabavka.pregled"}}
         <a href="/nabavke" class="nav-stavka {{if eq .Stranica "nabavke"}}aktivan{{end}}">
             <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z"/><polyline points="14 2 14 8 20 8"/><line x1="16" y1="13" x2="8" y2="13"/><line x1="16" y1="17" x2="8" y2="17"/><polyline points="10 9 9 9 8 9"/></svg>