Revert "feat(nix): integrate uv2nix for Python dependency management (#88)"

This reverts commit ee67062.

Author: ryoppippi

.github/actions/setup-nix/action.yaml

@@ -1,10 +1,5 @@
 name: "Setup Nix"
 description: "Install Nix and configure cache"
-inputs:
-  python-version:
-    description: "Python version for cache key (e.g., python311, python313)"
-    required: false
-    default: "python311"
 runs:
   using: "composite"
   steps:
@@ -16,8 +11,8 @@ runs:
     - name: Cache Nix store
       uses: nix-community/cache-nix-action@b426b118b6dc86d6952988d396aa7c6b09776d08 # v7
       with:
-        primary-key: nix-${{ runner.os }}-${{ inputs.python-version }}-${{ hashFiles('flake.lock', 'uv.lock', 'pyproject.toml', 'src/**/*.py') }}
-        restore-prefixes-first-match: |
-          nix-${{ runner.os }}-${{ inputs.python-version }}-
-          nix-${{ runner.os }}-
-        gc-max-store-size: 4G
+        primary-key: nix-${{ runner.os }}
+
+    - name: Load Nix development environment
+      shell: bash
+      run: nix develop --command true

.github/workflows/ci.yaml

@@ -34,7 +34,12 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["python311", "python313"]
+        python-version: ["3.11", "3.13"]
+        include:
+          - python-version: "3.11"
+            sync-extras: "--all-extras"
+          - python-version: "3.13"
+            sync-extras: "--all-extras"
     steps:
       - name: Checkout repository
         uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
@@ -43,17 +48,18 @@ jobs:
 
       - name: Setup Nix
         uses: ./.github/actions/setup-nix
-        with:
-          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: nix develop --command just install ${{ matrix.sync-extras }}
 
       - name: Run Lint
-        run: nix develop .#${{ matrix.python-version }} --command just lint
+        run: nix develop --command just lint
 
       - name: Run Ty
-        run: nix develop .#${{ matrix.python-version }} --command just ty
+        run: nix develop --command just ty
 
       - name: Run Tests
-        run: nix develop .#${{ matrix.python-version }} --command just test
+        run: nix develop --command just test
 
   coverage:
     runs-on: ubuntu-latest
@@ -67,6 +73,9 @@ jobs:
       - name: Setup Nix
         uses: ./.github/actions/setup-nix
 
+      - name: Install dependencies
+        run: nix develop --command just install --all-extras
+
       - name: Run Tests with Coverage
         run: nix develop --command just coverage