changed to db for fit streams

FitnessSync/backend/templates/segments.html

@@ -189,6 +189,9 @@
                         <button class="btn btn-sm btn-outline-danger" onclick="deleteSegment(${seg.id})">
                             <i class="bi bi-trash"></i>
                         </button>
+                         <button class="btn btn-sm btn-outline-secondary" onclick="scanSingleSegment(${seg.id})" title="Scan for matches">
+                            <i class="bi bi-arrow-repeat"></i>
+                        </button>
                     </td>
                 `;
                 tbody.appendChild(tr);
@@ -200,6 +203,23 @@
         }
     }
 
+    async function scanSingleSegment(id) {
+        if (!confirm("Rescan this segment against all activities?")) return;
+
+        try {
+            // Show loading state?
+            const res = await fetch(`/api/segments/${id}/scan`, { method: 'POST' });
+            if (!res.ok) throw new Error("Scan failed");
+            const data = await res.json();
+
+            alert(`Scan Complete!\nFound ${data.matches_found} matching activities.`);
+            loadSegments(); // Refresh counts
+
+        } catch (e) {
+            alert("Error: " + e.message);
+        }
+    }
+
     async function deleteSegment(id) {
         if (!confirm("Are you sure you want to delete this segment? All matched efforts will be lost.")) return;