fix: z-index layering - cards above pins + bump v0.0017

- Compact cards (petites cartes): z-index 100 base, 200 on hover
- Simple pins (pointeurs): z-index 2 base, 150 on hover
- Cards always render above pins now

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/App.jsx

@@ -251,7 +251,7 @@ export default function App() {
       <footer className="sw-footer">
         <div className="sw-footer-inner">
           <div className="sw-footer-brand">SOCIOWIRE</div>
-          <div className="sw-footer-brand">© Sociowire v0.0016</div>
+          <div className="sw-footer-brand">© Sociowire v0.0017</div>
           <div id="sw-weather-debug" style={{color: '#0ea5e9', fontSize: '10px'}}></div>
           <nav className="sw-footer-nav" aria-label="Site">
             <a href="/">{t('nav.home')}</a>

src/components/Map/markerManager.js

@@ -2140,7 +2140,7 @@ export function createMarkerForPost(post, mapRef, markersRef, expandedElRef, the
   root.classList.add("sw-appear");
   requestAnimationFrame(() => root.classList.add("sw-appear-in"));
   root.className = "post-pin post-pin--compact";
-  root.style.zIndex = "1";
+  root.style.zIndex = "100";
   root.__post = post;
 
   function unmountIfAny() {
@@ -2153,7 +2153,7 @@ export function createMarkerForPost(post, mapRef, markersRef, expandedElRef, the
   function renderCompact() {
     if (!root.__swCompactReady) {
       root.className = "post-pin post-pin--compact sw-appear sw-appear-in";
-      root.style.zIndex = "1";
+      root.style.zIndex = "100";
 
       // Add connecting line if offset is significant
       // DISABLED: No longer using pixel offsets
@@ -2190,7 +2190,7 @@ export function createMarkerForPost(post, mapRef, markersRef, expandedElRef, the
     root.style.zIndex = "200";
   });
   root.addEventListener("mouseleave", () => {
-    root.style.zIndex = "1";
+    root.style.zIndex = "100";
   });
 
   if (HEATMAP_ENABLED && isClusterMainPost(post)) {