cleanup(missions): strip refresh debug scaffolding

Removes refreshClicks counter + console.log now that the fetch-hang
was root-caused (fetch: cache no-store) and fixed. Keeps the
updated-at timestamp indicator as ongoing visual feedback.

frontend/src/components/dashboard/MissionCanvas.tsx

@@ -426,26 +426,21 @@ export function MissionCanvas({
                 {refining ? "Refining…" : "Refine"}
               </button>
             )}
+            {lastLoadedAt && (
               <span
                 style={{
                   fontSize: 10,
-                color: refreshClicks > 0 ? "#5ec8d8" : "#6a6a72",
+                  color: "#6a6a72",
                   fontFamily: mono,
                 }}
-              title={lastLoadedAt ? lastLoadedAt.toISOString() : "not loaded yet"}
+                title={lastLoadedAt.toISOString()}
               >
-              clicks:{refreshClicks} · {lastLoadedAt ? `updated ${lastLoadedAt.toLocaleTimeString()}` : "…"} · {loading ? "loading" : "idle"}
+                updated {lastLoadedAt.toLocaleTimeString()}
               </span>
+            )}
             <button
               type="button"
-              onClick={() => {
+              onClick={load}
-                setRefreshClicks((c) => c + 1);
-                console.log("[MissionCanvas] refresh clicked", {
-                  selectedId,
-                  loading,
-                });
-                void load();
-              }}
               title="Refresh"
               aria-label="Refresh"
               style={{ ...iconBtn, opacity: loading ? 0.6 : 1 }}