feat: timeline performance (#16446)

* Squash - feature complete

* remove need to init assetstore

* More optimizations. No need to init. Fix tests

* lint

* add missing selector for e2e

* e2e selectors again

* Update: fully reactive store, some transitions, bugfixes

* merge fallout

* Test fallout

* safari quirk

* security

* lint

* lint

* Bug fixes

* lint/format

* accidental commit

* lock

* null check, more throttle

* revert long duration

* Fix intersection bounds

* Fix bugs in intersection calculation

* lint, tweak scrubber ui a tiny bit

* bugfix - deselecting asset doesnt work

* fix not loading bucket, scroll off-by-1 error, jsdoc, naming

web/package-lock.json

@@ -70,8 +70,8 @@
         "prettier-plugin-sort-json": "^4.1.1",
         "prettier-plugin-svelte": "^3.3.3",
         "rollup-plugin-visualizer": "^5.14.0",
-        "svelte": "^5.17.4",
-        "svelte-check": "^4.1.4",
+        "svelte": "^5.22.6",
+        "svelte-check": "^4.1.5",
         "tailwindcss": "^3.4.17",
         "tslib": "^2.6.2",
         "typescript": "^5.7.3",
@@ -9579,9 +9579,9 @@
       }
     },
     "node_modules/vite": {
-      "version": "6.2.1",
-      "resolved": "https://registry.npmjs.org/vite/-/vite-6.2.1.tgz",
-      "integrity": "sha512-n2GnqDb6XPhlt9B8olZPrgMD/es/Nd1RdChF6CBD/fHW6pUyUTt2sQW2fPRX5GiD9XEa6+8A6A4f2vT6pSsE7Q==",
+      "version": "6.2.0",
+      "resolved": "https://registry.npmjs.org/vite/-/vite-6.2.0.tgz",
+      "integrity": "sha512-7dPxoo+WsT/64rDcwoOjk76XHj+TqNTIvHKcuMQ1k4/SeHDaQt5GFAeLYzrimZrMpn/O6DtdI03WUjdxuPM0oQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {