feat(rsvp): add persistent context, display settings, and layout improvements, closes #3333 (#3528)

* feat(rsvp): add persistent context, display settings, and layout improvements, closes #3333

Add always-visible collapsible context panel, font size adjustment,
ORP color selection, and stable context window that only rebuilds on
scroll. Refactor speed controls into playback row with collapsible
settings behind a gear icon. Translate new i18n keys across 29 locales.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

* fix(selfhost): update docker db schema to match FileRecords (#3527)

In #2636, FileRecord was defined to have updated_at  field
which is used when it is accessed from the database. But the
local dev setup is missing this field.

This diff adds an updated_at column to match the expectation

* chore(ci): cache system dependency and rustc outputs in ci

* chore(ci): lint script changed from tsc to tsgo

---------

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
Co-authored-by: Azeem Bande-Ali <me@azeemba.com>

apps/readest-app/scripts/test-tauri.sh

@@ -34,7 +34,7 @@ DEV_PID=$!
 
 echo "Waiting for dev server on port $DEV_PORT..."
 elapsed=0
-while ! curl -sf "http://127.0.0.1:${DEV_PORT}" >/dev/null 2>&1; do
+while ! curl -sf "http://localhost:${DEV_PORT}" >/dev/null 2>&1; do
   if ! kill -0 "$DEV_PID" 2>/dev/null; then
     echo "ERROR: Dev server exited unexpectedly."
     exit 1