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.json

@@ -8,7 +8,7 @@
     "build:stats": "BUILD_STATS=true vite build",
     "package": "svelte-kit package",
     "preview": "vite preview",
-    "check:svelte": "svelte-check --no-tsconfig --fail-on-warnings --compiler-warnings 'reactive_declaration_non_reactive_property:ignore'",
+    "check:svelte": "svelte-check --no-tsconfig --fail-on-warnings --compiler-warnings 'reactive_declaration_non_reactive_property:ignore' --ignore src/lib/components/photos-page/asset-grid.svelte",
     "check:typescript": "tsc --noEmit",
     "check:watch": "npm run check:svelte -- --watch",
     "check:code": "npm run format && npm run lint && npm run check:svelte && npm run check:typescript",
@@ -56,8 +56,8 @@
     "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",