feat: synchronisé votes entre header et comparaison

- État voteRefreshKey partagé pour forcer refresh des VoteButtons
- Props onVoteResult passées à VersionComparison
- Clés uniques pour chaque VoteButtons (header/comparison)
- Snackbar local dans VersionComparison si pas de callback parent

components/versions/version-comparison.js

@@ -11,16 +11,22 @@ import VoteButtons from './vote-buttons.js'
 import CopyButton from './copy-button.js'
 import {formatDate} from '@/lib/format.js'
 
-export default function VersionComparison({versionData, versionCompare}) {
+export default function VersionComparison({versionData, versionCompare, voteRefreshKey = 0, onVoteResult}) {
   const {current, main, outdated} = versionCompare
   const [snackbar, setSnackbar] = useState({open: false, message: '', severity: 'success'})
 
   const handleVoteResult = result => {
-    setSnackbar({
-      open: true,
-      message: result.message,
-      severity: result.success ? 'success' : 'error'
-    })
+    if (onVoteResult) {
+      // Use the parent's vote result handler if provided
+      onVoteResult(result)
+    } else {
+      // Fallback to local snackbar if no parent handler
+      setSnackbar({
+        open: true,
+        message: result.message,
+        severity: result.success ? 'success' : 'error'
+      })
+    }
   }
 
   const handleCloseSnackbar = () => {
@@ -117,7 +123,12 @@ export default function VersionComparison({versionData, versionCompare}) {
                     hasSnackbarVisible={false}
                   />
                 </Box>
-                <VoteButtons versionId={versionCompare.versionId} isDisabled={isVoteDisabled} onVoteResult={handleVoteResult} />
+                <VoteButtons
+                  key={`vote-comparison-${voteRefreshKey}`}
+                  versionId={versionCompare.versionId}
+                  isDisabled={isVoteDisabled}
+                  onVoteResult={handleVoteResult}
+                />
               </Box>
             )}
           </Paper>
@@ -177,16 +188,18 @@ export default function VersionComparison({versionData, versionCompare}) {
         </Grid>
       </Box>
 
-      <Snackbar
-        open={snackbar.open}
-        autoHideDuration={6000}
-        anchorOrigin={{vertical: 'bottom', horizontal: 'center'}}
-        onClose={handleCloseSnackbar}
-      >
-        <Alert variant='filled' severity={snackbar.severity} sx={{width: '100%'}} onClose={handleCloseSnackbar}>
-          {snackbar.message}
-        </Alert>
-      </Snackbar>
+      {!onVoteResult && (
+        <Snackbar
+          open={snackbar.open}
+          autoHideDuration={6000}
+          anchorOrigin={{vertical: 'bottom', horizontal: 'center'}}
+          onClose={handleCloseSnackbar}
+        >
+          <Alert variant='filled' severity={snackbar.severity} sx={{width: '100%'}} onClose={handleCloseSnackbar}>
+            {snackbar.message}
+          </Alert>
+        </Snackbar>
+      )}
     </Box>
   )
 }
@@ -200,4 +213,6 @@ VersionComparison.propTypes = {
     main: PropTypes.object.isRequired,
     versionId: PropTypes.string
   }).isRequired,
+  voteRefreshKey: PropTypes.number,
+  onVoteResult: PropTypes.func
 }