Add workflow for checking feature powerset (#85)

Adds a workflow with manual workflow_dispatch for checking all the
feature-powersets of our crates. We'll eventually want to run this on a
cadence but for testing purposes it's nice to only expose a manual
dispatch for now.

.github/workflows/check-powerset.yml

@@ -0,0 +1,41 @@
+name: Check Rust feature-powerset
+
+on:
+  workflow_dispatch:
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+    name: Building for ${{ matrix.os }}
+
+    runs-on: ${{ matrix.os || 'ubuntu-24.04' }}
+
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - macos-14
+          - ubuntu-24.04
+          - windows-2022
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+
+      - name: Install rust
+        uses: dtolnay/rust-toolchain@315e265cd78dad1e1dcf3a5074f6d6c47029d5aa # stable
+        with:
+          toolchain: stable
+
+      - name: Cache cargo registry
+        uses: Swatinem/rust-cache@82a92a6e8fbeee089604da2575dc567ae9ddeaab # v2.7.5
+
+      - name: Install cargo-hack
+        run: cargo install cargo-hack --version 0.6.33 --locked
+
+      - name: Build
+        run: cargo hack check --workspace --feature-powerset --no-dev-deps
+        env:
+          RUSTFLAGS: "-D warnings"

crates/bitwarden-core/src/error.rs

@@ -10,7 +10,6 @@ use reqwest::StatusCode;
 use thiserror::Error;
 use validator::ValidationErrors;
 
-#[cfg(feature = "internal")]
 use crate::client::encryption_settings::EncryptionSettingsError;
 
 #[bitwarden_error(flat, export_as = "CoreError")]
@@ -62,7 +61,6 @@ pub enum Error {
     #[error("Internal error: {0}")]
     Internal(Cow<'static, str>),
 
-    #[cfg(feature = "internal")]
     #[error(transparent)]
     EncryptionSettings(#[from] EncryptionSettingsError),
 }

crates/bitwarden-error-macro/Cargo.toml

@@ -10,7 +10,7 @@ license-file.workspace = true
 keywords.workspace = true
 
 [features]
-wasm = ["bitwarden-error/wasm"]
+wasm = []
 
 [dependencies]
 darling = "0.20.10"
@@ -25,7 +25,7 @@ workspace = true
 proc-macro = true
 
 [dev-dependencies]
-bitwarden-error.workspace = true
+bitwarden-error = { workspace = true, features = ["wasm"] }
 js-sys.workspace = true
 serde.workspace = true
 thiserror.workspace = true