fix: a lot

.clang-format

@@ -0,0 +1,106 @@
+---
+# Configuration for clang-format
+# Based on Google C++ Style Guide with some modifications
+
+BasedOnStyle: Google
+
+# Indentation
+IndentWidth: 4
+TabWidth: 4
+UseTab: Never
+ContinuationIndentWidth: 4
+
+# Alignment
+AlignAfterOpenBracket: Align
+AlignConsecutiveAssignments: false
+AlignConsecutiveDeclarations: false
+AlignEscapedNewlines: Left
+AlignOperands: true
+AlignTrailingComments: true
+
+# Allow putting parameters of a function declaration onto the next line
+AllowAllParametersOfDeclarationOnNextLine: true
+AllowShortBlocksOnASingleLine: false
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: All
+AllowShortIfStatementsOnASingleLine: true
+AllowShortLoopsOnASingleLine: true
+
+# Breaking
+AlwaysBreakAfterDefinitionReturnType: None
+AlwaysBreakAfterReturnType: None
+AlwaysBreakBeforeMultilineStrings: true
+AlwaysBreakTemplateDeclarations: Yes
+BinPackArguments: true
+BinPackParameters: true
+
+# Braces
+BreakBeforeBraces: Attach
+BreakBeforeBinaryOperators: None
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializersBeforeComma: false
+BreakAfterJavaFieldAnnotations: false
+BreakStringLiterals: true
+
+# Spacing
+ColumnLimit: 100
+CommentPragmas: "^ IWYU pragma:"
+CompactNamespaces: false
+ConstructorInitializerAllOnOneLineOrOnePerLine: true
+ConstructorInitializerIndentWidth: 4
+DerivePointerAlignment: true
+DisableFormat: false
+ExperimentalAutoDetectBinPacking: false
+FixNamespaceComments: true
+ForEachMacros:
+  - foreach
+  - Q_FOREACH
+  - BOOST_FOREACH
+
+# Include sorting
+IncludeBlocks: Preserve
+IncludeCategories:
+  - Regex: '^<ext/.*\.h>'
+    Priority: 2
+  - Regex: '^<.*\.h>'
+    Priority: 1
+  - Regex: "^<.*"
+    Priority: 2
+  - Regex: ".*"
+    Priority: 3
+IncludeIsMainRegex: "([-_](test|unittest))?$"
+IndentCaseLabels: true
+IndentWrappedFunctionNames: false
+JavaScriptQuotes: Leave
+JavaScriptWrapImports: true
+KeepEmptyLinesAtTheStartOfBlocks: false
+MacroBlockBegin: ""
+MacroBlockEnd: ""
+MaxEmptyLinesToKeep: 1
+NamespaceIndentation: None
+ObjCBlockIndentWidth: 2
+ObjCSpaceAfterProperty: false
+ObjCSpaceBeforeProtocolList: false
+PenaltyBreakAssignment: 2
+PenaltyBreakBeforeFirstCallParameter: 1
+PenaltyBreakComment: 300
+PenaltyBreakFirstLessLess: 120
+PenaltyBreakString: 1000
+PenaltyExcessCharacter: 1000000
+PenaltyReturnTypeOnItsOwnLine: 200
+PointerAlignment: Left
+ReflowComments: true
+SortIncludes: true
+SortUsingDeclarations: true
+SpaceAfterCStyleCast: false
+SpaceAfterTemplateKeyword: true
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeParens: ControlStatements
+SpaceInEmptyParentheses: false
+SpacesBeforeTrailingComments: 2
+SpacesInAngles: false
+SpacesInContainerLiterals: true
+SpacesInCStyleCastParentheses: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+Standard: Auto

.clang-tidy

@@ -0,0 +1,67 @@
+---
+# Configuration for clang-tidy
+Checks: >
+  *,
+  -abseil-*,
+  -altera-*,
+  -android-*,
+  -fuchsia-*,
+  -google-*,
+  -llvm*,
+  -zircon-*,
+  -readability-else-after-return,
+  -readability-static-accessed-through-instance,
+  -readability-avoid-const-params-in-decls,
+  -readability-identifier-length,
+  -cppcoreguidelines-non-private-member-variables-in-classes,
+  -misc-non-private-member-variables-in-classes,
+  -modernize-use-trailing-return-type,
+  -modernize-avoid-c-arrays,
+  -cppcoreguidelines-avoid-c-arrays,
+  -cppcoreguidelines-pro-bounds-constant-array-index,
+  -cppcoreguidelines-pro-bounds-array-to-pointer-decay,
+  -hicpp-no-array-decay,
+  -cppcoreguidelines-avoid-magic-numbers,
+  -readability-magic-numbers,
+  -cert-err34-c,
+  -bugprone-easily-swappable-parameters,
+  -readability-function-cognitive-complexity,
+  -cert-err58-cpp,
+  -cppcoreguidelines-owning-memory,
+  -cppcoreguidelines-avoid-non-const-global-variables,
+  -misc-use-anonymous-namespace,
+  -bugprone-exception-escape,
+  -cppcoreguidelines-avoid-const-or-ref-data-members
+
+# Exclude Google Test and external dependencies from analysis
+HeaderFilterRegex: "^(?!.*(gtest|googletest|gmock|third_party|external|vendor|/opt/homebrew/)).*"
+
+CheckOptions:
+  - key: readability-identifier-naming.NamespaceCase
+    value: lower_case
+  - key: readability-identifier-naming.ClassCase
+    value: CamelCase
+  - key: readability-identifier-naming.StructCase
+    value: CamelCase
+  - key: readability-identifier-naming.FunctionCase
+    value: camelBack
+  - key: readability-identifier-naming.VariableCase
+    value: camelBack
+  - key: readability-identifier-naming.PrivateMemberSuffix
+    value: _
+  - key: readability-identifier-naming.ProtectedMemberSuffix
+    value: _
+  - key: readability-identifier-naming.MacroDefinitionCase
+    value: UPPER_CASE
+  - key: readability-identifier-naming.EnumConstantCase
+    value: CamelCase
+  - key: readability-identifier-naming.ConstexprVariableCase
+    value: CamelCase
+  - key: readability-identifier-naming.GlobalConstantCase
+    value: CamelCase
+  - key: readability-identifier-naming.MemberConstantCase
+    value: CamelCase
+  - key: readability-identifier-naming.StaticConstantCase
+    value: CamelCase
+  - key: misc-non-private-member-variables-in-classes.IgnoreClassesWithAllMemberVariablesBeingPublic
+    value: true

.github/workflows/linter-cpp.yml

@@ -0,0 +1,47 @@
+---
+name: C++ Linter
+
+on: # yamllint disable-line rule:truthy
+  push:
+    branches: ["main"]
+
+jobs:
+  lint-cpp:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y cmake build-essential clang-format \
+          clang-tidy cppcheck
+
+      - name: Install Google Test (required for compilation flags)
+        run: |
+          # Install Google Test from source - most reliable approach
+          git clone https://github.com/google/googletest.git --depth 1
+          cd googletest
+          mkdir build && cd build
+          cmake .. -DCMAKE_INSTALL_PREFIX=/usr/local -DBUILD_SHARED_LIBS=ON
+          make -j$(nproc)
+          sudo make install
+          sudo ldconfig
+
+      - name: Debug Google Test configuration
+        run: make debug-gtest
+
+      - name: Lint C++ code using Makefile
+        run: |
+          make lint-cpp
+
+      - name: Format check C++ code using Makefile
+        run: |
+          make format-cpp
+          # Check if any files were modified by formatting
+          if ! git diff --exit-code; then
+            echo "Code formatting issues found. Please run 'make \
+            format-cpp' locally."
+            exit 1
+          fi

.github/workflows/linter-py.yml

@@ -0,0 +1,41 @@
+---
+name: Python Linter
+
+on: # yamllint disable-line rule:truthy
+  push:
+    branches: ["main"]
+
+jobs:
+  lint-python:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.10", "3.11", "3.12"]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: "pip"
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+
+      - name: Lint Python code using Makefile
+        run: |
+          make lint-python
+
+      - name: Format check Python code using Makefile
+        run: |
+          make format-python
+          # Check if any files were modified by formatting
+          if ! git diff --exit-code; then
+            echo "Code formatting issues found. Please run 'make \
+            format-python' locally."
+            exit 1
+          fi

.github/workflows/postsubmit-cpp.yml

@@ -0,0 +1,40 @@
+---
+name: Postsubmit (C++)
+
+on: # yamllint disable-line rule:truthy
+  push:
+    branches: ["main"]
+
+jobs:
+  test-cpp:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y cmake build-essential
+
+      - name: Install Google Test
+        run: |
+          # Install Google Test from source - most reliable approach
+          git clone https://github.com/google/googletest.git --depth 1
+          cd googletest
+          mkdir build && cd build
+          cmake .. -DCMAKE_INSTALL_PREFIX=/usr/local -DBUILD_SHARED_LIBS=ON
+          make -j$(nproc)
+          sudo make install
+          sudo ldconfig
+
+      - name: Debug Google Test configuration
+        run: make debug-gtest
+
+      - name: Run all C++ tests using Makefile
+        run: |
+          make test-cpp:all
+
+      - name: Show project statistics
+        run: |
+          make stats

.github/workflows/postsubmit-py.yml

@@ -0,0 +1,35 @@
+---
+name: Postsubmit (Python)
+
+on: # yamllint disable-line rule:truthy
+  push:
+    branches: ["main"]
+
+jobs:
+  test-python:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.10", "3.11", "3.12"]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: "pip"
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+
+      - name: Run all Python tests using Makefile
+        run: |
+          make test-py:all
+
+      - name: Show project statistics
+        run: |
+          make stats

.github/workflows/cpp-package.yml → .github/workflows/presubmit-cpp.yml

@@ -14,22 +14,6 @@ jobs:
         with:
           fetch-depth: 0 # Fetch full history for git diff
 
-      - name: Install dependencies
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y cmake build-essential clang-format clang-tidy
-          # Install Google Test from source - most reliable approach
-          git clone https://github.com/google/googletest.git --depth 1
-          cd googletest
-          mkdir build && cd build
-          cmake .. -DCMAKE_INSTALL_PREFIX=/usr/local -DBUILD_SHARED_LIBS=ON
-          make -j$(nproc)
-          sudo make install
-          sudo ldconfig
-
-      - name: Debug Google Test configuration
-        run: make debug-gtest
-
       - name: Detect changed C++ files
         id: detect-changes
         run: |
@@ -89,9 +73,29 @@ jobs:
             [ -n "$COMMON_CHANGES" ] && echo 'true' || echo 'false')" >> \
              $GITHUB_OUTPUT
 
-      - name: Format C++ code
-        if: steps.detect-changes.outputs.has_cpp_changes == 'true'
-        run: make format-cpp
+      - name: Install dependencies
+        if: >
+          steps.detect-changes.outputs.has_cpp_changes == 'true' ||
+          steps.detect-changes.outputs.has_cpp_config_changes == 'true' ||
+          steps.detect-changes.outputs.has_common_changes == 'true'
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y cmake build-essential clang-format clang-tidy
+          # Install Google Test from source - most reliable approach
+          git clone https://github.com/google/googletest.git --depth 1
+          cd googletest
+          mkdir build && cd build
+          cmake .. -DCMAKE_INSTALL_PREFIX=/usr/local -DBUILD_SHARED_LIBS=ON
+          make -j$(nproc)
+          sudo make install
+          sudo ldconfig
+
+      - name: Debug Google Test configuration
+        if: >
+          steps.detect-changes.outputs.has_cpp_changes == 'true' ||
+          steps.detect-changes.outputs.has_cpp_config_changes == 'true' ||
+          steps.detect-changes.outputs.has_common_changes == 'true'
+        run: make debug-gtest
 
       - name: Lint C++ code
         if: steps.detect-changes.outputs.has_cpp_changes == 'true'