chore: disable Git LFS and unify CI (no LFS)

.gitattributes

@@ -1,6 +1 @@
-# Large binary assets tracked via Git LFS
-*.bin filter=lfs diff=lfs merge=lfs -text
-*.ttf filter=lfs diff=lfs merge=lfs -text
-*.otf filter=lfs diff=lfs merge=lfs -text
-*.png filter=lfs diff=lfs merge=lfs -text
-*.jpg filter=lfs diff=lfs merge=lfs -text
+# Reserved for repository-specific attributes.

.github/workflows/autofix-lint.yml

@@ -23,6 +23,8 @@ jobs:
       - name: Check out source
         uses: actions/checkout@v4
         with:
+          lfs: false
+          submodules: recursive
           fetch-depth: 0
           ref: ${{ github.event.pull_request.head.ref || github.ref }}
           repository: ${{ github.event.pull_request.head.repo.full_name || github.repository }}

.github/workflows/clang-format-check.yml

@@ -50,6 +50,8 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
         with:
+          lfs: false
+          submodules: recursive
           ref: ${{ github.event.pull_request.head.sha }}
 
       - name: Run clang-format style check for C/C++/Protobuf programs.

.github/workflows/codeql.yml

@@ -83,4 +83,4 @@ jobs:
       - name: Perform CodeQL Analysis
         uses: github/codeql-action/analyze@v3
         with:
-          category: "/language:cpp"
+          category: "/language:cpp"

.github/workflows/host-tests.yml

@@ -12,6 +12,9 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
+        with:
+          lfs: false
+          submodules: recursive
 
       # Install build tools and GTest
       - name: Install deps

.github/workflows/lint-check.yml

@@ -40,6 +40,9 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+        with:
+          lfs: false
+          submodules: recursive
 
       - name: Setup C++ tooling
         uses: aminya/setup-cpp@v1

.github/workflows/lint.yml

@@ -11,6 +11,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+        with:
+          lfs: false
+          submodules: recursive
+      - name: Guard against Git LFS usage
+        run: |
+          if git grep -n "filter=lfs" -- .gitattributes; then
+            echo "Refusing to proceed: LFS filters detected in .gitattributes"
+            exit 1
+          fi
       - uses: frenck/action-yamllint@v1
         with:
           config_file: .yamllint.yml
@@ -19,6 +28,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+        with:
+          lfs: false
+          submodules: recursive
       - uses: super-linter/super-linter@v7
         env:
           VALIDATE_ALL_CODEBASE: true

tests/ui/golden/.gitignore

@@ -0,0 +1 @@
+*.png

tests/ui/golden/home_page.png.base64

@@ -0,0 +1,53 @@
+iVBORw0KGgoAAAANSUhEUgAAAUAAAADwCAMAAABG801ZAAAA9lBMVEUAAAAIDAj///+0trTNzs1B
+REGkpaTe3t7u7u6DhYMYHBhzdXOUlZQpLCliZWJSVVIILEEQQGIYVYMYZZwYeb0gjeYglfYACAgI
+NFoQZaQYgdUAIDEQTHMYbawghdUQSHsYieYYhdUYecUABAAQRGIABAgAGCAYXZQIMEoQTHsICBAQ
+MEogeb0IEBgIDBAIKDkQPGIIGCAYYZQYaawIFBgQQFoQFCAQGCAQHCkgcbQINFIQGBggke4ghd4p
+MDEYJCAgfc0gdbQgJCAgVXsgLCkgNDkAFBggYZQggc0IFBAYICAQFBAIEBAgKCkYIDEYNFIQPFoA
+EBDmxgeFAAAKdElEQVR4AezV+37iuBUHcJtkQkIuw8VGSQwzu0O9aemY3iimoTVpSrNtkqXt+79M
+dXM4IiYztiRbJvr9M4SxxPH3c47k2NjY2NjY2NjY2NjY2NjY2NjY2NjY2NjY2NgUiNtoHIA/G43D
+qiuqWSygZCygZCygZCygZHYDfjhqNo6bJy3+52mj0XJPDo8bzbNz/GfrpNnAH1ubpR8O8POHF27V
+b1RydgG6Bw2eE/YFBvx4zL86JX+xXKT7HPIvjj9U/UrlZgegi62Ozy4ujhrp/1Oyw4sPH8lXR5uP
+5y/PH+BvzvA370twByDuv6OXzjpNAVkzXmz68jRdfZC6tfAcv6spdtNZTEMBzzdnIe6tY27V5F81
+N/+LP/Ln01lubT6+i2QDnoBBJIcf++eUf3MmfHTZPy87HggtvffBgM3TTTjgAQA5Z1ynG1PwEUu3
+2PMgzapfqmTAjDPwkI0tDZ7JM4eqsftC+HjCPh4KgMdVv1SZyQbM7sDdgPD5d5ZsQHgGnrycgbsB
+4fPvLNmA2bfwbkDwvONW/UrlJhuQzOQR+/9DfuW+CUieP2ByH4/Pq36nUrMD0G3iu+Ds4uKokf7/
+24Dk+QZ+/uQQ9OK7yA5Axz1I79QT9sXbgOD5Zqvqdyo1uwAd58NRs3HcPEs5vgGIz8GzJj4ujz5W
+/UY2NjY2NjY2NjY2NjY2NjY2NjY2NjY2NjZmpt3p9jzP79P4ntfrdtov/4kur67x19dXl6jqOk1M
+MBh+6mfm03AQ4Ac+//DyzQ+fq67WsKBOz8/GS+P3fhT+/lJ1yfIZKcuvhv38uZb7TRPsQiX56cYv
+wEd6UOZXq1RM6ZCK/NrrF85vZH44ZayGj9Uwls5vvxbnwzdJVPyXU8XSCTnfeKIgv5Piw/m93O+P
+OWHpfFQvks0f/ijJ1+//SaoAblgmIfZjfOT3p3L5sy/t1/9RpgBuSAjLEqR+jG86nfHEhTL/izwf
+TqHfTiunhvh1ShMkfrj9mF48jVBYeKu2gvYjKVxAiKJpzAxJE5YiuPHDXReFMlt13zDxet3bdsCe
+C9q33Z73xsMLmSrCCHdjiYLcj3SfHB/aReIPB0HWgmAw/Gvmgr8lS0eSEHchFyzBD1G/OJ5IbRTc
+Zev1bt9YdJW55u9Jco+kipnQJmTnoP4B5n5S7ecEmcef13l71WUm4D+SJFnJCYapoO4hpgMcRdhv
+pN6vF3xrGfohq2n/mcgLjrAgPgd1D/GmAeX6L+v67T18x8LPGYA/Ez8s6EqVFJbSgqwBsZ/k+ffa
+z2t/39Ivr1b+i/lJ9+CECmpuQd6AcaTYzx989+LrV1dwokgwinkLar6CyQkYqvXzHnIs/5Ldf/KC
+IT0FtV7E6QRLNSC62/br5tvg8+Ym8X+GfklyL/V6kfYZTidYqgG97fFt590BXV6RQb6+uvz3SgRM
+ljKVhdpnmADiCZ7K7NHd8rt7kKrofktwIbPblM6wbkC5CW5v+8kd/I6zLehK7EVnWCPgaETukOlM
+4p3R1gUylPVznEcRcCWxFaKAaKRLML1DJI7AoXK/V4KPxXcKNd8iKWDxHW4Vzy/LvbIhNh1wa4AV
++W0LSgyx6YA3gp//oKywlaKb2HDAQBzgtrrKXHGIC3e24YCe4NdVWdpCAFwW3aYcwLjg8rbg56mt
+bankHomNBvT0HIBZx2DRFjQaUGzAgerinlS0oNGAnsYBJlkqaEGTAR903cBpxJu4mIHJgDfQr6ej
+vBYEXBTawmRAHwIqvkF4eRBwVWgLgwE72htwqwWfi+xgMOAQAgZ66kMQ8LHIDuYCIs1XMItwERfZ
+wFxAYYI7mupznmVn2FzAHvDzNZWHswKArQLrzQX09V8hJC3Je9hYwABO8K2m8nBcOMMo/3pjAQfl
+TLA4w0/5lxsLOASAQ03V0TwCwMf8y40F/AQAB5qqo3kCgL/kX24sIDwCA03V0SB4COZfbipgGwJq
+Ko4HArq5V5sK2AF+nqbieJYA8Dn3alMBuwCwp6k4nhYAXORebSpgDwB2NRXHswCArdyrKwacTXf8
+5QHAW03F8bgAcJl7dUWA0Zz9O43gtxvA6CsAbOvkqzmgGADoA8BAFx0LAoCr3KsrBqRkk/k6RvMJ
++Suar2e4lngN/PrzMXsYP0eecmYRf0xRAGBSR8DpeoIm6zUBXMfjyRz/1yiCgGsGGOHnIvbYDI3n
+mT38HgFH1GdMZci34RoXIwDyrehzkzV8zAJiwPGafqKA9Axco0zA9LkQPGYBMwHHbwCONoBjC8hH
+mFwMk28CghG2gBgQkVCLiF0iYygz9gHgf7YvEbWACPitagO4phlRi8l8HSMR0PkKAP/LTzv83Jx0
+q2JAFwAu6wL4KtuXqgcAbzUVx1N7wHiGR3g+E7/sAcCuLjqWBQBs5V5tAGA4xaMZbX3ZBYA9TcXx
+tADgIvdqAwAz0wGAnqbieJYA8Dn3alMB2wCwr6k4HuCXuLlXmwroQMBAU3U0CALmX24s4CcAONBU
+Hc0T8Psl/3JjAYcAcKipOppHAPiYf7mxgAMA6GuqjmYFAJ/yLzcWMICH4K2m8nBceASi/OuNBXR8
+ANjTVB5OC/itCqw3F7BXzgzDCW4VWG8uYAfOcEdTfc4znODnAhuYC4ggoKepPmcJAYtsYC6gM4SC
+gZ76EPR7LLKDwYDCDGu6RlqyE2wyoHAP9x+0lJdI3sFmA95ob0GhAReFtjAZ8AEC9tvqq3OhX1LM
+wGRAx9N8EQtX8LLYHkYDtoUWHKgu7kloQLfYJkYDii3oK75HRisFDWg4oNiCiod4qaIBDQcUW7Df
+VVnaIlHRgKYDBn1dN7F4Ayeo6D6GAzo3fT3HoHgAJovCG5kOiHxB8A4pKuxe8FsV38h0QOdWHOK+
+GkFxfgvfIE4NAJ3hluD/FFS15fcosZf5gFtD3L+Tr0qcX5kBrgOg095qwY5sUc/qBrgWgE5XBPRk
+i1omim5gkjoAOp4oKFuU6LeU26wWgOhOH+C95Ga1AHQCX9cIr5DkZvUAdAJdl4isX10AgeCdfFX3
+6vxqA+j8xM/BO/l3fhG8V7BXbQAdp4MvY096flme8Tm4fFaxU40AzYwFlIwFlIwFlEw5gLOqX1Nf
+ZhZQLhZQMhZQMhZQMiUBhlW/p66EugFHCBFAVPWL6goigAiNdAGSFiSAUdUvqisRBdTWgBwQ/0rV
+L6oruDf0A+IWjPf0EAxj3IC6Acd7PMOR5juEAtIZ3s8WDGM6wToBX2Z4L1sw0j7BmxmOJ1W/rfpM
+Yu0TjAF5C+7hEIfUjzSgTkDegvgUjLX+TPkZxfQE1NyAsAX3qwfDuJwG5BcxE9yjc3CS+uluQIcP
+MRGcxdGeNGEYxTPqp32ASUZckDbhPhBiPtJ+3K+Eo30jSLpwGqEaI4YompLuK9OPCeJzEBNSQ5a4
+dkkrJ3qYj55/pfhxwTEjxIb1TsT4xiX6UUFOSA3rnQnnK9HvhZAZ1j1Yr2w+KsgIiWKNw96A8JXs
+lxKGqWJdQ1+hCr7UMGWsadgbVKMnKtY11drZ2NjY2NjY2NQr/28PjgUAAAAABvlbT2NHBQAAAAAA
+AAAAAABwFWQCTsD2Ae4rAAAAAElFTkSuQmCC

tests/ui/golden/rooms_three_cards.png.base64

@@ -0,0 +1,76 @@
+iVBORw0KGgoAAAANSUhEUgAABQAAAALQCAIAAABAH0oBAAAQrUlEQVR4nO3XMQ0AMRADwYOQIsXz
+R/osEik70gBwZ+2s/QEAAMDz5voCAAAAOEAAAwAAkCCAAQAASBDAAAAAJAhgAAAAEgQwAAAACQIY
+AACABAEMAABAggAGAAAgQQADAACQIIABAABIEMAAAAAkCGAAAAASBDAAAAAJAhgAAIAEAQwAAECC
+AAYAACBBAAMAAJAggAEAAEgQwAAAACQIYAAAABIEMAAAAAkCGAAAgAQBDAAAQIIABgAAIEEAAwAA
+kCCAAQAASBDAAAAAJAhgAAAAEgQwAAAACQIYAACABAEMAABAggAGAAAgQQADAACQIIABAABIEMAA
+AAAkCGAAAAASBDAAAAAJAhgAAIAEAQwAAECCAAYAACBBAAMAAJAggAEAAEgQwAAAACQIYAAAABIE
+MAAAAAkCGAAAgAQBDAAAQIIABgAAIEEAAwAAkCCAAQAASBDAAAAAJAhgAAAAEgQwAAAACQIYAACA
+BAEMAABAggAGAAAgQQADAACQIIABAABIEMAAAAAkCGAAAAASBDAAAAAJAhgAAIAEAQwAAECCAAYA
+ACBBAAMAAJAggAEAAEgQwAAAACQIYAAAABIEMAAAAAkCGAAAgAQBDAAAQIIABgAAIEEAAwAAkCCA
+AQAASBDAAAAAJAhgAAAAEgQwAAAACQIYAACABAEMAABAggAGAAAgQQADAACQIIABAABIEMAAAAAk
+CGAAAAASBDAAAAAJAhgAAIAEAQwAAECCAAYAACBBAAMAAJAggAEAAEgQwAAAACQIYAAAABIEMAAA
+AAkCGAAAgAQBDAAAQIIABgAAIEEAAwAAkCCAAQAASBDAAAAAJAhgAAAAEgQwAAAACQIYAACABAEM
+AABAggAGAAAgQQADAACQIIABAABIEMAAAAAkCGAAAAASBDAAAAAJAhgAAIAEAQwAAECCAAYAACBB
+AAMAAJAggAEAAEgQwAAAACQIYAAAABIEMAAAAAkCGAAAgAQBDAAAQIIABgAAIEEAAwAAkCCAAQAA
+SBDAAAAAJAhgAAAAEgQwAAAACQIYAACABAEMAABAggAGAAAgQQADAACQIIABAABIEMAAAAAkCGAA
+AAASBDAAAAAJAhgAAIAEAQwAAECCAAYAACBBAAMAAJAggAEAAEgQwAAAACQIYAAAABIEMAAAAAkC
+GAAAgAQBDAAAQIIABgAAIEEAAwAAkCCAAQAASBDAAAAAJAhgAAAAEgQwAAAACQIYAACABAEMAABA
+ggAGAAAgQQADAACQIIABAABIEMAAAAAkCGAAAAASBDAAAAAJAhgAAIAEAQwAAECCAAYAACBBAAMA
+AJAggAEAAEgQwAAAACQIYAAAABIEMAAAAAkCGAAAgAQBDAAAQIIABgAAIEEAAwAAkCCAAQAASBDA
+AAAAJAhgAAAAEgQwAAAACQIYAACABAEMAABAggAGAAAgQQADAACQIIABAABIEMAAAAAkCGAAAAAS
+BDAAAAAJAhgAAIAEAQwAAECCAAYAACBBAAMAAJAggAEAAEgQwAAAACQIYAAAABIEMAAAAAkCGAAA
+gAQBDAAAQIIABgAAIEEAAwAAkCCAAQAASBDAAAAAJAhgAAAAEgQwAAAACQIYAACABAEMAABAggAG
+AAAgQQADAACQIIABAABIEMAAAAAkCGAAAAASBDAAAAAJAhgAAIAEAQwAAECCAAYAACBBAAMAAJAg
+gAEAAEgQwAAAACQIYAAAABIEMAAAAAkCGAAAgAQBDAAAQIIABgAAIEEAAwAAkCCAAQAASBDAAAAA
+JAhgAAAAEgQwAAAACQIYAACABAEMAABAggAGAAAgQQADAACQIIABAABIEMAAAAAkCGAAAAASBDAA
+AAAJAhgAAIAEAQwAAECCAAYAACBBAAMAAJAggAEAAEgQwAAAACQIYAAAABIEMAAAAAkCGAAAgAQB
+DAAAQIIABgAAIEEAAwAAkCCAAQAASBDAAAAAJAhgAAAAEgQwAAAACQIYAACABAEMAABAggAGAAAg
+QQADAACQIIABAABIEMAAAAAkCGAAAAASBDAAAAAJAhgAAIAEAQwAAECCAAYAACBBAAMAAJAggAEA
+AEgQwAAAACQIYAAAABIEMAAAAAkCGAAAgAQBDAAAQIIABgAAIEEAAwAAkCCAAQAASBDAAAAAJAhg
+AAAAEgQwAAAACQIYAACABAEMAABAggAGAAAgQQADAACQIIABAABIEMAAAAAkCGAAAAASBDAAAAAJ
+AhgAAIAEAQwAAECCAAYAACBBAAMAAJAggAEAAEgQwAAAACQIYAAAABIEMAAAAAkCGAAAgAQBDAAA
+QIIABgAAIEEAAwAAkCCAAQAASBDAAAAAJAhgAAAAEgQwAAAACQIYAACABAEMAABAggAGAAAgQQAD
+AACQIIABAABIEMAAAAAkCGAAAAASBDAAAAAJAhgAAIAEAQwAAECCAAYAACBBAAMAAJAggAEAAEgQ
+wAAAACQIYAAAABIEMAAAAAkCGAAAgAQBDAAAQIIABgAAIEEAAwAAkCCAAQAASBDAAAAAJAhgAAAA
+EgQwAAAACQIYAACABAEMAABAggAGAAAgQQADAACQIIABAABIEMAAAAAkCGAAAAASBDAAAAAJAhgA
+AIAEAQwAAECCAAYAACBBAAMAAJAggAEAAEgQwAAAACQIYAAAABIEMAAAAAkCGAAAgAQBDAAAQIIA
+BgAAIEEAAwAAkCCAAQAASBDAAAAAJAhgAAAAEgQwAAAACQIYAACABAEMAABAggAGAAAgQQADAACQ
+IIABAABIEMAAAAAkCGAAAAASBDAAAAAJAhgAAIAEAQwAAECCAAYAACBBAAMAAJAggAEAAEgQwAAA
+ACQIYAAAABIEMAAAAAkCGAAAgAQBDAAXzLhgADjN+wIAAJAggAEAAEgQwAAAACQIYAAAABIEMAAA
+AAkCGAAAgAQBDAAAQIIABgAAIEEAAwAAkCCAAQAASBDAAAAAJAhgAAAAEgQwAAAACQIYAACABAEM
+AABAggAGAAAgQQADAACQIIABAABIEMAAAAAkCGAAAAASBDAAAAAJAhgAAIAEAQwAAECCAAYAACBB
+AAMAAJAggAEAAEgQwAAAACQIYAAAABIEMAAAAAkCGAAAgAQBDAAAQIIABgAAIEEAAwAAkCCAAQAA
+SBDAAAAAJAhgAAAAEgQwAAAACQIYAACABAEMAABAggAGAAAgQQADAACQIIABAABIEMAAAAAkCGAA
+AAASBDAAAAAJAhgAAIAEAQwAAECCAAYAACBBAAMAAJAggAEAAEgQwAAAACQIYAAAABIEMAAAAAkC
+GAAAgAQBDAAAQIIABgAAIEEAAwAAkCCAAQAASBDAAAAAJAhgAAAAEgQwAAAACQIYAACABAEMAABA
+ggAGAAAgQQADAACQIIABAABIEMAAAAAkCGAAAAASBDAAAAAJAhgAAIAEAQwAAECCAAYAACBBAAMA
+AJAggAEAAEgQwAAAACQIYAAAABIEMAAAAAkCGAAAgAQBDAAAQIIABgAAIEEAAwAAkCCAAQAASBDA
+AAAAJAhgAAAAEgQwAAAACQIYAACABAEMAABAggAGAAAgQQADAACQIIABAABIEMAAAAAkCGAAAAAS
+BDAAAAAJAhgAAIAEAQwAAECCAAYAACBBAAMAAJAggAEAAEgQwAAAACQIYAAAABIEMAAAAAkCGAAA
+gAQBDAAAQIIABgAAIEEAAwAAkCCAAQAASBDAAAAAJAhgAAAAEgQwAAAACQIYAACABAEMAABAggAG
+AAAgQQADAACQIIABAABIEMAAAAAkCGAAAAASBDAAAAAJAhgAAIAEAQwAAECCAAYAACBBAAMAAJAg
+gAEAAEgQwAAAACQIYAAAABIEMAAAAAkCGAAAgAQBDAAAQIIABgAAIEEAAwAAkCCAAQAASBDAAAAA
+JAhgAAAAEgQwAAAACQIYAACABAEMAABAggAGAAAgQQADAACQIIABAABIEMAAAAAkCGAAAAASBDAA
+AAAJAhgAAIAEAQwAAECCAAYAACBBAAMAAJAggAEAAEgQwAAAACQIYAAAABIEMAAAAAkCGAAAgAQB
+DAAAQIIABgAAIEEAAwAAkCCAAQAASBDAAAAAJAhgAAAAEgQwAAAACQIYAACABAEMAABAggAGAAAg
+QQADAACQIIABAABIEMAAAAAkCGAAAAASBDAAAAAJAhgAAIAEAQwAAECCAAYAACBBAAMAAJAggAEA
+AEgQwAAAACQIYAAAABIEMAAAAAkCGAAAgAQBDAAAQIIABgAAIEEAAwAAkCCAAQAASBDAAAAAJAhg
+AAAAEgQwAAAACQIYAACABAEMAABAggAGAAAgQQADAACQIIABAABIEMAAAAAkCGAAAAASBDAAAAAJ
+AhgAAIAEAQwAAECCAAYAACBBAAMAAJAggAEAAEgQwAAAACQIYAAAABIEMAAAAAkCGAAAgAQBDAAA
+QIIABgAAIEEAAwAAkCCAAQAASBDAAAAAJAhgAAAAEgQwAAAACQIYAACABAEMAABAggAGAAAgQQAD
+AACQIIABAABIEMAAAAAkCGAAAAASBDAAAAAJAhgAAIAEAQwAAECCAAYAACBBAAMAAJAggAEAAEgQ
+wAAAACQIYAAAABIEMAAAAAkCGAAAgAQBDAAAQIIABgAAIEEAAwAAkCCAAQAASBDAAAAAJAhgAAAA
+EgQwAAAACQIYAACABAEMAABAggAGAAAgQQADAACQIIABAABIEMAAAAAkCGAAAAASBDAAAAAJAhgA
+AIAEAQwAAECCAAYAACBBAAMAAJAggAEAAEgQwAAAACQIYAAAABIEMAAAAAkCGAAAgAQBDAAAQIIA
+BgAAIEEAAwAAkCCAAQAASBDAAAAAJAhgAAAAEgQwAAAACQIYAACABAEMAABAggAGAAAgQQADAACQ
+IIABAABIEMAAAAAkCGAAAAASBDAAAAAJAhgAAIAEAQwAAECCAAYAACBBAAMAAJAggAEAAEgQwAAA
+ACQIYAAAABIEMAAAAAkCGAAAgAQBDAAAQIIABgAAIEEAAwAAkCCAAQAASBDAAAAAJAhgAAAAEgQw
+AAAACQIYAACABAEMAABAggAGAAAgQQADAACQIIABAABIEMAAAAAkCGAAAAASBDAAAAAJAhgAAIAE
+AQwAAECCAAYAACBBAAMAAJAggAEAAEgQwAAAACQIYAAAABIEMAAAAAkCGAAAgAQBDAAAQIIABgAA
+IEEAAwAAkCCAAQAASBDAAAAAJAhgAAAAEgQwAAAACQIYAACABAEMAABAggAGAAAgQQADAACQIIAB
+AABIEMAAAAAkCGAAAAASBDAAAAAJAhgAAIAEAQwAAECCAAYAACBBAAMAAJAggAEAAEgQwAAAACQI
+YAAAABIEMAAAAAkCGAAAgAQBDAAAQIIABgAAIEEAAwAAkCCAAQAASBDAAAAAJAhgAAAAEgQwAAAA
+CQIYAACABAEMAABAggAGAAAgQQADAACQIIABAABIEMAAAAAkCGAAAAASBDAAAAAJAhgAAIAEAQwA
+AECCAAYAACBBAAMAAJAggAEAAEgQwAAAACQIYAAAABIEMAAAAAkCGAAAgAQBDAAAQIIABgAAIEEA
+AwAAkCCAAQAASBDAAAAAJAhgAAAAEgQwAAAACQIYAACABAEMAABAggAGAAAgQQADAACQIIABAABI
+EMAAAAAkCGAAAAASBDAAAAAJAhgAAIAEAQwAAEDCD6DX8SoWE9XpAAAAAElFTkSuQmCC

tests/ui/test_rooms_page.py

@@ -4,6 +4,8 @@
 #
 # SPDX-License-Identifier: MIT
 
+import base64
+import textwrap
 import os
 import shutil
 import struct
@@ -18,7 +20,8 @@
 GOLDEN_DIR = PROJECT_ROOT / "tests" / "ui" / "golden"
 RAW_SNAPSHOT = OUTPUT_DIR / "rooms_three_cards.raw"
 PNG_SNAPSHOT = OUTPUT_DIR / "rooms_three_cards.png"
-GOLDEN_SNAPSHOT = GOLDEN_DIR / "rooms_three_cards.png"
+GOLDEN_SNAPSHOT_B64 = GOLDEN_DIR / "rooms_three_cards.png.base64"
+GOLDEN_PREVIEW = GOLDEN_DIR / "rooms_three_cards.png"
 
 WIDTH = 1280
 HEIGHT = 720
@@ -95,18 +98,25 @@ def test_snapshot_matches_golden(self) -> None:
         self.assertTrue(RAW_SNAPSHOT.exists(), "Snapshot generator did not create raw output")
 
         _rgb565_to_png(RAW_SNAPSHOT, PNG_SNAPSHOT)
+        generated = PNG_SNAPSHOT.read_bytes()
 
         if os.getenv("UPDATE_GOLDEN"):
-            GOLDEN_SNAPSHOT.parent.mkdir(parents=True, exist_ok=True)
-            shutil.copy2(PNG_SNAPSHOT, GOLDEN_SNAPSHOT)
+            GOLDEN_SNAPSHOT_B64.parent.mkdir(parents=True, exist_ok=True)
+            encoded = base64.b64encode(generated).decode("ascii")
+            wrapped = "\n".join(textwrap.wrap(encoded, 76))
+            GOLDEN_SNAPSHOT_B64.write_text(wrapped + "\n", encoding="ascii")
+            shutil.copy2(PNG_SNAPSHOT, GOLDEN_PREVIEW)
 
-        if not GOLDEN_SNAPSHOT.exists():
+        if not GOLDEN_SNAPSHOT_B64.exists():
             self.fail(
                 "Golden snapshot missing. Run scripts/update_goldens.sh to refresh the reference image."
             )
 
-        generated = PNG_SNAPSHOT.read_bytes()
-        golden = GOLDEN_SNAPSHOT.read_bytes()
+        golden = base64.b64decode(GOLDEN_SNAPSHOT_B64.read_text(encoding="ascii"))
+        try:
+            GOLDEN_PREVIEW.write_bytes(golden)
+        except OSError:
+            pass
         self.assertEqual(golden, generated, "Snapshot PNG does not match golden reference")