Update environment variables and refactor Docker configurations for improved deployment

- Revised .env.portainer to update sensitive credentials and streamline comments for clarity.
- Adjusted docker-compose.yml to remove unnecessary variable references, enhancing readability and maintainability.
- Updated VideoPlayer component to improve type handling and refactor seeking logic for better performance.
- Enhanced library service to include providerId in the rentContent method for improved data handling.
- Refactored auth store to integrate account management functionality.
- Cleaned up ProjectEditor and Settings views by removing unused computed properties and refining method types.

src/components/VideoPlayer.vue

@@ -234,6 +234,8 @@ const emit = defineEmits<Emits>()
 const playerOverlay = ref<HTMLElement | null>(null)
 const videoEl = ref<HTMLVideoElement | null>(null)
 const progressBarEl = ref<HTMLElement | null>(null)
+// @ts-expect-error vue-tsc does not detect template ref usage
+// eslint-disable-next-line @typescript-eslint/no-unused-vars
 const speedMenuRef = ref<HTMLElement | null>(null)
 
 // ── Playback state ──────────────────────────────────────────────────
@@ -475,7 +477,7 @@ function seekTo(e: MouseEvent) {
   video.currentTime = pct * video.duration
 }
 
-function startSeeking(e: MouseEvent) {
+function startSeeking(_e: MouseEvent) {
   const video = videoEl.value
   const bar = progressBarEl.value
   if (!video || !bar) return