openvibe-shared v4.12.0 (was v4.11.0) (#37)

ddiff --git a/README.md b/README.md
iindex a4b7b3d..122f1a3 100644
---- a/README.md
++++ b/README.md
@@@ -140,5 +140,5 @@ AGPL-3.0. Part of the [OpenVibe network](https://openvibe.network).
  <!-- versions:start -->
  - openvibe-contracts: v0.213.0
  - openvibe-sdk: v0.64.0
--- openvibe-shared: v4.11.0
++- openvibe-shared: v4.12.0
  <!-- versions:end -->
ddiff --git a/STATUS.json b/STATUS.json
iindex f7a8394..5017132 100644
---- a/STATUS.json
++++ b/STATUS.json
@@@ -9,11 +9,11 @@
    "domain": "play.openvibe.network",
    "contracts": "openvibe-contracts v0.213.0",
    "sdk": "openvibe-sdk v0.64.0",
--  "shared": "openvibe-shared v4.11.0",
++  "shared": "openvibe-shared v4.12.0",
    "packages": [
      "openvibe-contracts v0.213.0",
      "openvibe-sdk v0.64.0",
--    "openvibe-shared v4.11.0"
++    "openvibe-shared v4.12.0"
    ],
    "summary": "OpenVibe.Play — achievements and leaderboards for every OpenVibe game (Games ADR-0007 decision 10). A title is registered by its own principal (a game's service or app token), which alone writes to it: achievements (with hidden ones), boards that rank each player's best score or the sum of theirs, this week and all time, idempotent score and unlock posts, and guests adopted by the person who signs in. Boards and titles are public reads (CORS) and pages; people's rows are in the account export and erased with the account.",
    "works": [
ddiff --git a/package-lock.json b/package-lock.json
iindex f6d9d1b..5aeca73 100644
---- a/package-lock.json
++++ b/package-lock.json
@@@ -18,7 +18,7 @@
          "iovalkey": "^0.4.0",
          "openvibe-contracts": "https://codeload.github.com/OpenVibers/OpenVibe.Contracts/tar.gz/refs/tags/v0.213.0",
          "openvibe-sdk": "https://codeload.github.com/OpenVibers/OpenVibe.SDK/tar.gz/refs/tags/v0.64.0",
--        "openvibe-shared": "https://codeload.github.com/OpenVibers/OpenVibe.Shared/tar.gz/refs/tags/v4.11.0",
++        "openvibe-shared": "https://codeload.github.com/OpenVibers/OpenVibe.Shared/tar.gz/refs/tags/v4.12.0",
          "pg": "^8.23.0"
        },
        "devDependencies": {
@@@ -916,9 +916,9 @@
        }
      },
      "node_modules/openvibe-shared": {
--      "version": "4.11.0",
--      "resolved": "https://codeload.github.com/OpenVibers/OpenVibe.Shared/tar.gz/refs/tags/v4.11.0",
--      "integrity": "sha512-/OKVLcD4PN/C9g8Nwox+OE7cY7PHDfYduh6Kbe3f12V19bb9n2fDciK5ND4IlYCq3T5CHChL3vZyJIaPdWKrCA==",
++      "version": "4.12.0",
++      "resolved": "https://codeload.github.com/OpenVibers/OpenVibe.Shared/tar.gz/refs/tags/v4.12.0",
++      "integrity": "sha512-k0i63sCPfHtz1KF5MJSI+CGv5VwBf4ISRzxJRQdorkeMKOTtABlAQfiH1uf9kJsd5/Wn7VUTTHlhhOLSX6ZTzw==",
        "license": "MIT",
        "dependencies": {
          "jsonwebtoken": "^9.0.0"
ddiff --git a/package.json b/package.json
iindex 505b709..9774616 100644
---- a/package.json
++++ b/package.json
@@@ -25,7 +25,7 @@
      "iovalkey": "^0.4.0",
      "openvibe-contracts": "https://codeload.github.com/OpenVibers/OpenVibe.Contracts/tar.gz/refs/tags/v0.213.0",
      "openvibe-sdk": "https://codeload.github.com/OpenVibers/OpenVibe.SDK/tar.gz/refs/tags/v0.64.0",
--    "openvibe-shared": "https://codeload.github.com/OpenVibers/OpenVibe.Shared/tar.gz/refs/tags/v4.11.0",
++    "openvibe-shared": "https://codeload.github.com/OpenVibers/OpenVibe.Shared/tar.gz/refs/tags/v4.12.0",
      "pg": "^8.23.0"
    },
    "engines": {
ddiff --git a/test/perf-budget.test.js b/test/perf-budget.test.js
iindex ac0359a..f2da8c2 100644
---- a/test/perf-budget.test.js
++++ b/test/perf-budget.test.js
@@@ -18,7 +18,7 @@ const BUDGETS = {
      htmlBrotliKB: 6.9,   // 6.2
      jsFiles: 5,   // 5 (theme-loader, web-runtime, navbar, footer, boost: openvibe-shared/shell)
      jsRawKB: 264,   // 239.8
--    jsBrotliKB: 62.5,   // 56.5
++    jsBrotliKB: 67,   // 65.3 Shared 4.12.0: the light/dark switch, the seasonal mark and the theme pairs; 56.5
      cssFiles: 2,   // 2 (app.css + the cached /shared/showcase.css)
      cssRawKB: 20.6,   // 18.7 (app.css 7.1 with Play's cards, boards and achievement tiles, plus showcase.css; 2026-10-14)
      cssBrotliKB: 5.5,   // 4.9