fix: replace Python CI workflow with Go CI

- Replace uv/ruff/pytest with Go setup, golangci-lint, go test
- Library-only: lint + test + release (tag) + notify, no Docker build

.gitea/workflows/ci.yml

@@ -17,20 +17,22 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - name: Set up uv
-        run: curl -LsSf https://astral.sh/uv/install.sh | sh && echo "$HOME/.local/bin" >> $GITHUB_PATH
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+          cache: true
 
-      - name: Set up Python
-        run: uv python install 3.13
+      - name: Run go vet
+        run: go vet ./...
 
-      - name: Install dependencies
-        run: uv sync --frozen --extra dev
+      - name: Install golangci-lint
+        run: |
+          curl -sSfL https://raw.githubusercontent.com/golangci/golangci-lint/HEAD/install.sh | sh -s -- -b "$(go env GOPATH)/bin"
+          echo "$(go env GOPATH)/bin" >> $GITHUB_PATH
 
-      - name: Run ruff check
-        run: uv run ruff check .
-
-      - name: Run ruff format check
-        run: uv run ruff format --check .
+      - name: Run golangci-lint
+        run: golangci-lint run ./...
 
   test:
     name: Test
@@ -39,17 +41,20 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
 
-      - name: Set up uv
-        run: curl -LsSf https://astral.sh/uv/install.sh | sh && echo "$HOME/.local/bin" >> $GITHUB_PATH
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+          cache: true
 
-      - name: Set up Python
-        run: uv python install 3.13
+      - name: Verify dependencies
+        run: go mod verify
 
-      - name: Install dependencies
-        run: uv sync --frozen --extra dev
+      - name: Build
+        run: go build -v ./...
 
-      - name: Run tests with coverage
-        run: uv run pytest --cov=handler_base --cov-report=xml --cov-report=term
+      - name: Run tests
+        run: go test -v -race -coverprofile=coverage.out -covermode=atomic ./...
 
   release:
     name: Release