wip: do most of the processing on the client side - instead of the server

.github/workflows/ci.yml

@@ -44,6 +44,8 @@ jobs:
       - name: Clone repository
         uses: actions/checkout@v5
 
+      # TODO: restore `cargo test` once per-feature tests are compatible with
+      # both server-side and client-side compilation modes.
       - name: Check feature ${{ matrix.feature }}
         run: cargo check --no-default-features --features ${{ matrix.feature }}
 
@@ -78,6 +80,10 @@ jobs:
             extra_args: --features=dist-server
           - os: ubuntu-22.04
             rustc: stable
+          - os: ubuntu-22.04
+            rustc: stable
+            extra_desc: client-side-mode
+            test_client_side: true
           - os: ubuntu-22.04
             rustc: beta
           - os: ubuntu-22.04
@@ -98,7 +104,14 @@ jobs:
             extra_desc: cuda12.8
           # # M1 CPU
           - os: macos-14
+          - os: macos-14
+            extra_desc: client-side-mode
+            test_client_side: true
           - os: macos-15-intel
+          - os: windows-2022
+            extra_desc: client-side-mode
+            test_client_side: true
+            no_coverage: true
           - os: windows-2022
             cuda: "12.8"
             # Oldest supported version, keep in sync with README.md
@@ -209,6 +222,7 @@ jobs:
           CARGO_INCREMENTAL: "0"
           RUSTC_WRAPPER: ""
           RUSTFLAGS: "-Cinstrument-coverage -Ccodegen-units=1 -Copt-level=0 -Coverflow-checks=off"
+          SCCACHE_CLIENT_SIDE_COMPILE: ${{ matrix.test_client_side && '1' || '0' }}
 
       - name: Upload failure
         if: failure()

.pre-commit-config.yaml

@@ -11,7 +11,7 @@ repos:
     -   id: rust-clippy
         name: Rust clippy
         description: Run cargo clippy on files included in the commit.
-        entry: cargo +nightly clippy --workspace --all-targets --all-features --
+        entry: cargo +nightly clippy --workspace --all-targets --features s3,redis,gcs,memcached,azure,gha,webdav,oss,cos --
         pass_filenames: false
         types: [file, rust]
         language: system