diff --git a/package.json b/package.json
index 68daa4a..5272bd0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "my-weekly-todo-list",
-  "version": "1.17.1",
+  "version": "1.17.2",
   "description": "A web-based weekly task management application that organizes to-dos and calendar events in a single, intuitive weekly view",
   "main": "index.js",
   "scripts": {
diff --git a/src/app/globals.css b/src/app/globals.css
index ddbc0fe..d2bf7ac 100644
--- a/src/app/globals.css
+++ b/src/app/globals.css
@@ -633,8 +633,8 @@ h3 {
   box-sizing: border-box;
   position: sticky;
   top: 0;
-  z-index: 5;
-  background: var(--weekly-bg, white);
+  z-index: 20;
+  background-color: var(--weekly-bg, white);
 }
 
 .weekly-day-date {
@@ -1429,7 +1429,6 @@ h3 {
 }
 
 .weekly-someday-list .weekly-task-text {
-  line-height: 1.4;
   word-break: break-word;
   overflow: visible;
   white-space: normal;
diff --git a/src/components/WeeklyView.tsx b/src/components/WeeklyView.tsx
index aed329d..075c7a4 100644
--- a/src/components/WeeklyView.tsx
+++ b/src/components/WeeklyView.tsx
@@ -3543,7 +3543,7 @@ export default function WeeklyView() {
                             scheduledDate: newScheduledDate,
                             dayOfWeek,
                             startTime: targetSlot || "",
-                            ...(taskProvider && !draggedTask.externalProvider && { externalProvider: taskProvider }),
+                            ...(taskProvider && { externalProvider: taskProvider }),
                         }),
                     });
 
@@ -7035,7 +7035,7 @@ function TaskItem({
                                 onDoubleClick={variant === "default" ? onEdit : undefined}
                                 style={
                                     variant === "minimal" || isSomeday
-                                        ? { fontSize: "0.9375rem", display: "flex", alignItems: "center", gap: "4px", ...(task.completed && showTaskCheckboxes ? { opacity: 0.5 } : {}) }
+                                        ? { display: "flex", alignItems: "center", gap: "4px", ...(task.completed && showTaskCheckboxes ? { opacity: 0.5 } : {}) }
                                         : { display: "flex", alignItems: "center", gap: "6px", ...(task.completed && showTaskCheckboxes ? { opacity: 0.5 } : {}) }
                                 }
                             >
@@ -7069,29 +7069,28 @@ function TaskItem({
                                 >
                                     {task.title}
                                 </span>
-                                {/* DEBUG: always show provider info */}
-                                {!isSomeday && (
-                                    <span style={{ color: task.externalProvider ? "red" : "orange", fontWeight: "bold", fontSize: "11px", marginLeft: "4px", flexShrink: 0 }}>
-                                        [{task.externalProvider || "no-ext"}]
-                                    </span>
-                                )}
-                                {task.externalProvider && !isSomeday && (
-                                    <span
-                                        className="flex-shrink-0"
-                                        title={`Synced with ${task.externalProvider === "outlook" ? "Microsoft" : task.externalProvider === "google" ? "Google" : task.externalProvider === "apple" ? "Apple" : task.externalProvider}`}
-                                        style={{ display: "inline-flex", alignItems: "center", opacity: 0.55, marginLeft: "4px" }}
-                                    >
-                                        {task.externalProvider === "google" ? (
-                                            <FontAwesomeIcon icon={faGoogle} style={{ width: 12, height: 12, color: "#4285F4" }} />
-                                        ) : task.externalProvider === "outlook" ? (
-                                            <FontAwesomeIcon icon={faMicrosoft} style={{ width: 12, height: 12, color: "#0078D4" }} />
-                                        ) : task.externalProvider === "apple" ? (
-                                            <FontAwesomeIcon icon={faApple} style={{ width: 12, height: 12, color: "#555" }} />
-                                        ) : task.externalProvider === "synology" ? (
-                                            <FontAwesomeIcon icon={faServer} style={{ width: 12, height: 12, color: "#007AFF" }} />
-                                        ) : null}
-                                    </span>
-                                )}
+                                {(() => {
+                                    const provider = task.externalProvider
+                                        || (task.externalId?.startsWith("synology::") ? "synology" : null);
+                                    if (!provider) return null;
+                                    const iconMap: Record<string, { icon: any; color: string; label: string }> = {
+                                        google: { icon: faGoogle, color: "#4285F4", label: "Google" },
+                                        outlook: { icon: faMicrosoft, color: "#0078D4", label: "Microsoft" },
+                                        apple: { icon: faApple, color: "#555", label: "Apple" },
+                                        synology: { icon: faServer, color: "#007AFF", label: "Synology" },
+                                    };
+                                    const info = iconMap[provider];
+                                    if (!info) return null;
+                                    return (
+                                        <span
+                                            className="flex-shrink-0"
+                                            title={`Synced with ${info.label}`}
+                                            style={{ display: "inline-flex", alignItems: "center", opacity: 0.55, marginLeft: "4px" }}
+                                        >
+                                            <FontAwesomeIcon icon={info.icon} style={{ width: 12, height: 12, color: info.color }} />
+                                        </span>
+                                    );
+                                })()}
                             </span>
 
                             {/* Subtask indicator - toggles subtask list */}