chore: update watchlist features and fixes

.sisyphus/evidence/task-2-dom-conflicts.txt

@@ -0,0 +1,32 @@
+# DOM ID Conflicts Check Results
+
+## Check 1: watchlistContainer & schedulerStatus
+Found 2 matches in 1 file(s):
+/opt/Ohm_streaming/templates/watchlist.html
+  233: <div class="scheduler-status" id="schedulerStatus">
+  265: <div id="watchlistContainer">
+
+## Check 2: settingsModal & nextRunInfo
+Found 2 matches in 1 file(s):
+/opt/Ohm_streaming/templates/watchlist.html
+  237: <div id="nextRunInfo" class="next-run-info">Chargement...</div>
+  422: <div id="settingsModal" style="position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.8); display: flex; align-items: center; justify-content: center; z-index: 1000;">
+
+## Check 3: startSchedulerBtn & stopSchedulerBtn
+Found 2 matches in 1 file(s):
+/opt/Ohm_streaming/templates/watchlist.html
+  240: <button id="startSchedulerBtn" class="btn-primary btn-small" onclick="handleStartScheduler()" style="display:none;">
+  243: <button id="stopSchedulerBtn" class="btn-secondary btn-small" onclick="handleStopScheduler()" style="display:none;">
+
+## Conflict Analysis:
+All IDs are unique to watchlist.html only. No conflicts found with other templates.
+
+Checked templates:
+- login.html (auth-tabs, auth-tab)
+- index.html (tab-anime, tab-series, tab-providers)
+- components/header.html (mainTabs, tab-home, tab-anime, tab-series, etc.)
+- components/home_section.html (tab-home)
+- watchlist.html (these IDs are local to this file)
+
+## Conclusion:
+NO DOM ID CONFLICTS DETECTED