ci(lint): Fix clang_tidy linter check

.bazelrc

@@ -1,10 +1,3 @@
-# Disable header-only parsing to avoid generating header-only
-# compile actions that some tools (like hedron's compile-commands
-# extractor) can't handle. This prevents running into errors such
-# as "No source files found in compile args" when running
-# `bazel run @hedron_compile_commands//:refresh_all`.
-build --features=-parse_headers
-
 # Fix for "relocation refers to local symbol in discarded section"
 build --copt=-fno-asynchronous-unwind-tables
 build --linkopt=-Wl,--gc-sections

.clang-tidy

@@ -13,7 +13,7 @@ HeaderFilterRegex: ".*/openfeature/.*"
 ExcludeHeaderFilterRegex: ".*\\.pb\\.h|.*\\.grpc\\.pb\\.h"
 
 # Treat all warnings as errors (optional, good for strict CI/CD)
-WarningsAsErrors: ""
+WarningsAsErrors: "*"
 
 CheckOptions:
   - key: readability-identifier-naming.ClassCase
@@ -74,5 +74,3 @@ CheckOptions:
     value: 1
   - key: readability-braces-around-statements.ShortStatementLines
     value: 1
-
-SystemHeaders: true

.github/workflows/ci-format-test-lint.yml

@@ -12,7 +12,7 @@ jobs:
     steps:
       - uses: actions/checkout@v6
         with:
-          submodules: 'recursive'
+          submodules: "recursive"
 
       - uses: bazel-contrib/setup-bazel@0.18.0
         with:
@@ -31,14 +31,17 @@ jobs:
     steps:
       - uses: actions/checkout@v6
         with:
-          submodules: 'recursive'
+          submodules: "recursive"
 
       - uses: bazel-contrib/setup-bazel@0.18.0
         with:
           bazelisk-cache: true
           disk-cache: ${{ github.workflow }}
           repository-cache: true
 
+      - name: Build all targets
+        run: bazel build //...
+
       - name: Build compilation database
         run: bazel run @hedron_compile_commands//:refresh_all
 
@@ -49,6 +52,9 @@ jobs:
         with:
           style: "file" # Use .clang-format config file.
           tidy-checks: "" # Use .clang-tidy config file.
+          database: "compile_commands.json"
+          version: "21"
+          extra-args: "--system-headers"
 
       - name: Fail fast?!
         if: steps.linter.outputs.checks-failed > 0