Refactor PushClient to improve robustness and error handling

.github/workflows/lint.yml

@@ -54,3 +54,39 @@ jobs:
 
       - name: Check documentation
         run: cargo doc --no-deps --all-features
+
+  coverage:
+    runs-on: ubuntu-latest
+    needs: lint
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Install Rust toolchain
+        uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          toolchain: stable
+
+      - name: Install cargo-tarpaulin
+        run: cargo install cargo-tarpaulin
+
+      - name: Cache cargo registry
+        uses: actions/cache@v4
+        with:
+          path: ~/.cargo/registry
+          key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
+
+      - name: Cache cargo build
+        uses: actions/cache@v4
+        with:
+          path: target
+          key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}
+
+      - name: Run coverage
+        run: cargo tarpaulin --all-features --out xml --output-dir coverage
+
+      - name: Upload coverage report
+        uses: actions/upload-artifact@v4
+        with:
+          name: coverage-report
+          path: coverage/

.gitignore

@@ -1,2 +1,3 @@
 /target
 config.toml
+crates/reestream-server/static/assets/