Simplify Nix flake configuration

.github/workflows/formal.yaml

@@ -26,6 +26,6 @@ jobs:
           cache-bin: "false"
           cache-workspace-crates: "true"
           cache-on-failure: "true"
-          cmd-format: nix develop .#ci --quiet -c {0}
+          cmd-format: nix develop .#default --quiet -c {0}
       - name: Explore lifecycle interleavings with Shuttle
-        run: nix develop .#ci --quiet --command cargo test -p wisp-lifecycle --test shuttle_lifecycle
+        run: nix develop .#default --quiet --command cargo test -p wisp-lifecycle --test shuttle_lifecycle

.github/workflows/nix.yaml

@@ -1,9 +1,6 @@
 name: nix
 on:
   pull_request:
-    paths:
-      - "flake.lock"
-      - "flake.nix"
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}-nix
   cancel-in-progress: true
@@ -13,10 +10,65 @@ permissions:
   id-token: write
 jobs:
   check:
-    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        runs-on:
+          - ubuntu-latest
+          - macos-latest
+    runs-on: ${{ matrix.runs-on }}
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
       - uses: ./.github/actions/setup-nix
-      - uses: DeterminateSystems/flake-checker-action@de924abd783455e8429c858962b9e43062d19da1 # v13
-      - run: nix develop .#ci --quiet --command nixfmt --check flake.nix nix
+      - run: |
+          sudo xcode-select -s /Applications/Xcode.app/Contents/Developer
+          xcrun swift --version
+          xcrun --find metal
+        if: runner.os == 'macOS'
       - run: nix flake check --print-build-logs
+
+  windows-check:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+      - run: rustup show
+      - uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
+        with:
+          cache-workspace-crates: "true"
+          cache-on-failure: "true"
+
+      # Keep the Windows-only WASAPI and WinRT recognizer paths type-checked;
+      # the ordinary Linux job cannot see code behind cfg(target_os).
+      - run: cargo clippy -p wisp-audiokit --all-targets -- -D warnings
+      - run: cargo test -p wisp-audiokit --all-targets
+      - run: cargo test --manifest-path vendor/wasapi/Cargo.toml --lib
+      - run: cargo test -p wisp-desktop --all-targets
+
+  windows-release:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+      - run: rustup show
+      - uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
+        with:
+          cache-workspace-crates: "true"
+          cache-on-failure: "true"
+
+      - name: Build Windows binaries
+        run: cargo build -p wisp-desktop -p wisp-mcp --release --locked
+
+      - name: Stage Windows artifact
+        shell: pwsh
+        run: |
+          New-Item -ItemType Directory -Force dist/wisp-windows | Out-Null
+          Copy-Item target/release/wisp-desktop.exe dist/wisp-windows/
+          Copy-Item target/release/wisp-mcp.exe dist/wisp-windows/
+          Copy-Item README.md dist/wisp-windows/
+
+      - name: Upload Windows artifact
+        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
+        with:
+          name: wisp-windows-x86_64-${{ github.sha }}
+          path: dist/wisp-windows
+          if-no-files-found: error
+          retention-days: 14

.github/workflows/release.yaml

@@ -68,10 +68,10 @@ jobs:
           cache-bin: "false"
           cache-workspace-crates: "true"
           cache-on-failure: "true"
-          cmd-format: nix develop .#ci --quiet -c {0}
+          cmd-format: nix develop .#default --quiet -c {0}
 
       - name: Build Wisp binaries (release)
-        run: nix develop .#ci --quiet --command cargo build -p wisp-desktop -p wisp-mcp --release --locked
+        run: nix develop .#default --quiet --command cargo build -p wisp-desktop -p wisp-mcp --release --locked
 
       - name: Assemble Wisp.app bundle
         run: |

.github/workflows/version-bump.yaml

@@ -123,7 +123,7 @@ jobs:
           # Sync the local crate versions in Cargo.lock without touching any
           # third-party pins. `--workspace` limits the update to the workspace
           # members, whose versions are inherited from the value we just set.
-          nix develop .#ci --quiet --command cargo update --workspace
+          nix develop .#default --quiet --command cargo update --workspace
 
           echo "--- Cargo.toml [workspace.package] ---"
           grep -n 'version' Cargo.toml | tail -1

Cargo.toml

@@ -12,7 +12,10 @@ resolver = "3"
 exclude = ["vendor/wasapi"]
 
 [workspace.dependencies]
-chrono = { version = "0.4.45", default-features = false, features = ["clock", "std"] }
+chrono = { version = "0.4.45", default-features = false, features = [
+  "clock",
+  "std",
+] }
 crossbeam-channel = "0.5.15"
 gpui = "0.2.2"
 rusqlite = { version = "0.40.0", features = ["bundled", "chrono"] }
@@ -41,8 +44,8 @@ pedantic = { level = "deny", priority = -1 }
 # names). Kept at `warn` because two of its lints are environmental rather
 # than code issues and are opted out below.
 cargo = { level = "warn", priority = -1 }
-cargo_common_metadata = "allow"   # every crate is `publish = false`
-multiple_crate_versions = "allow" # decided by the lockfile, not our code
+cargo_common_metadata = "allow"           # every crate is `publish = false`
+multiple_crate_versions = "allow"         # decided by the lockfile, not our code
 
 # Restriction lints promoted to hard errors. Test code is exempted from the
 # panicking ones via .clippy.toml (allow-{unwrap,expect,panic}-in-tests).

apps/wisp-desktop/Cargo.toml

@@ -1,5 +1,6 @@
 [package]
 name = "wisp-desktop"
+description = ""
 edition.workspace = true
 version.workspace = true
 publish = false