clarify sidebar action button types

src/components/RightSidebar.jsx

@@ -73,7 +73,7 @@ export const RightSidebar = () => {
         <p className="text-xs text-slate-500 leading-relaxed">
           Takibe aldığınız ihalelere durum atayabilir, ekip içinde sürükle-bırak ile iş dağıtabilirsiniz.
         </p>
-        <button
+        <button type="button"
           onClick={() => setActiveTab('kanban')}
           className="w-full bg-[#1f2937] hover:bg-slate-800 text-white font-bold py-2.5 px-4 rounded-lg text-xs flex items-center justify-center gap-2 transition-colors shadow-xs"
         >
@@ -116,7 +116,7 @@ export const RightSidebar = () => {
           )}
         </div>
 
-        <button
+        <button type="button"
           onClick={() => setActiveTab('sozlesme')}
           className="w-full text-indigo-600 hover:text-indigo-800 font-bold text-xs py-1.5 flex items-center justify-center gap-1 hover:underline"
         >
@@ -138,7 +138,7 @@ export const RightSidebar = () => {
                 <div className="text-[10px] text-slate-500 truncate">{m.role}{m.email ? ` · ${m.email}` : ''}</div>
               </div>
               {(
-                <button disabled={teamSaving} aria-label={`${m.name} ekip kaydını çıkar`} onClick={() => removeTeamMember(m.id)} className="text-slate-400 hover:text-red-500 shrink-0" title="Çıkar">
+                <button type="button" disabled={teamSaving} aria-label={`${m.name} ekip kaydını çıkar`} onClick={() => removeTeamMember(m.id)} className="text-slate-400 hover:text-red-500 shrink-0" title="Çıkar">
                   <Trash2 className="w-3.5 h-3.5" />
                 </button>
               )}
@@ -171,4 +171,3 @@ export const RightSidebar = () => {
 };
 
 
-