Reconcile egui 0.37 with current shared libraries

Preserve the reviewed shared UI tree and the frozen app dependency commit while
bringing in current main. Port the new keymap UI APIs and use verified central
fonts in its strict UI tests and snapshots.

.github/workflows/i18n.yml

@@ -25,5 +25,5 @@ jobs:
         with:
           components: rustfmt, clippy
       - run: cargo fmt --check
-      - run: cargo clippy -p craft-i18n --all-targets --locked -- -D warnings
-      - run: cargo test -p craft-i18n --locked -- --nocapture
+      - run: cargo clippy -p craft-i18n --all-targets --features collate --locked -- -D warnings
+      - run: cargo test -p craft-i18n --features collate --locked -- --nocapture

.github/workflows/keymap.yml

@@ -0,0 +1,92 @@
+name: Keymap
+
+on:
+  push:
+    branches: [main]
+    paths: ["crates/keymap/**", "crates/settings/**", "crates/ui/**", "crates/i18n/**", "Cargo.toml", "Cargo.lock", ".github/workflows/keymap.yml"]
+  pull_request:
+    paths: ["crates/keymap/**", "crates/settings/**", "crates/ui/**", "crates/i18n/**", "Cargo.toml", "Cargo.lock", ".github/workflows/keymap.yml"]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+concurrency:
+  group: keymap-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  linux:
+    timeout-minutes: 15
+    name: Keymap (Linux)
+    runs-on: ubuntu-latest
+    env:
+      CRAFT_FONTS_DIR: ${{ github.workspace }}/.test-inputs/craft-fonts
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+      - name: Checkout test fonts
+        uses: actions/checkout@v4
+        with:
+          repository: storytold/craft-fonts
+          ref: b076417b5880bd4154bd22f00695b1d28c6bea83
+          path: .test-inputs/craft-fonts
+          persist-credentials: false
+      - uses: dtolnay/rust-toolchain@b725eda525362e7cf34af9a7243cac1e3f01a7ec # stable
+        with:
+          components: rustfmt, clippy
+      - uses: Swatinem/rust-cache@d1527c8f67ef9af357290475d4af4b0fab8f12e0 # v2.9.3
+        with:
+          key: craft-keymap-linux
+      - run: cargo fmt -p craft-keymap --check
+      - run: cargo clippy -p craft-keymap --all-targets --no-default-features --locked -- -D warnings
+      # `snapshot` covers `ui` and `egui` and compiles the dialog screenshots, which need a GPU
+      # to run, so the test steps leave them out.
+      - run: cargo clippy -p craft-keymap --all-targets --features snapshot --locked -- -D warnings
+      # Doctests run once, in the `ui` step.
+      - name: Test core
+        run: cargo test -p craft-keymap --no-default-features --lib --tests --locked
+      - name: Test egui dispatch and the shortcuts dialog
+        run: cargo test -p craft-keymap --features ui --locked
+  native:
+    timeout-minutes: 15
+    name: Keymap (${{ matrix.os }})
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [macos-latest, windows-latest]
+    runs-on: ${{ matrix.os }}
+    env:
+      CRAFT_FONTS_DIR: ${{ github.workspace }}/.test-inputs/craft-fonts
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+      - name: Checkout test fonts
+        uses: actions/checkout@v4
+        with:
+          repository: storytold/craft-fonts
+          ref: b076417b5880bd4154bd22f00695b1d28c6bea83
+          path: .test-inputs/craft-fonts
+          persist-credentials: false
+      - uses: dtolnay/rust-toolchain@b725eda525362e7cf34af9a7243cac1e3f01a7ec # stable
+      - uses: Swatinem/rust-cache@d1527c8f67ef9af357290475d4af4b0fab8f12e0 # v2.9.3
+        with:
+          key: craft-keymap-${{ matrix.os }}
+      - run: cargo test -p craft-keymap --features ui --locked
+  wasm:
+    timeout-minutes: 10
+    name: Keymap WASM
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+      - uses: dtolnay/rust-toolchain@b725eda525362e7cf34af9a7243cac1e3f01a7ec # stable
+        with:
+          targets: wasm32-unknown-unknown
+      - uses: Swatinem/rust-cache@d1527c8f67ef9af357290475d4af4b0fab8f12e0 # v2.9.3
+        with:
+          key: craft-keymap-wasm
+      - run: cargo check -p craft-keymap --features ui --locked --target wasm32-unknown-unknown