feat: Complete Swift to Qt6/C++ cross-platform migration

.clang-format

@@ -0,0 +1,124 @@
+# SPDX-License-Identifier: MIT
+# Clang-Format Configuration for The Wiser One
+# Based on Qt Coding Style with C++23 enhancements
+
+Language: Cpp
+Standard: c++23
+
+# Indentation
+IndentWidth: 4
+TabWidth: 4
+UseTab: Never
+IndentCaseLabels: false
+IndentCaseBlocks: false
+IndentPPDirectives: None
+NamespaceIndentation: None
+
+# Braces
+BreakBeforeBraces: Custom
+BraceWrapping:
+  AfterCaseLabel: false
+  AfterClass: true
+  AfterControlStatement: Never
+  AfterEnum: false
+  AfterFunction: true
+  AfterNamespace: false
+  AfterStruct: true
+  AfterUnion: false
+  AfterExternBlock: false
+  BeforeCatch: false
+  BeforeElse: false
+  BeforeLambdaBody: false
+  BeforeWhile: false
+  IndentBraces: false
+  SplitEmptyFunction: false
+  SplitEmptyRecord: false
+  SplitEmptyNamespace: false
+
+# Line breaks
+ColumnLimit: 100
+MaxEmptyLinesToKeep: 1
+KeepEmptyLinesAtTheStartOfBlocks: false
+
+# Alignment
+AlignAfterOpenBracket: Align
+AlignConsecutiveAssignments: false
+AlignConsecutiveDeclarations: false
+AlignEscapedNewlines: Left
+AlignOperands: Align
+AlignTrailingComments: true
+
+# Pointer/Reference alignment
+DerivePointerAlignment: false
+PointerAlignment: Left
+ReferenceAlignment: Left
+
+# Includes
+SortIncludes: CaseInsensitive
+IncludeBlocks: Regroup
+IncludeCategories:
+  # Project headers (quoted)
+  - Regex: '^".*\.h"$'
+    Priority: 1
+  # Qt headers
+  - Regex: '^<Q[A-Z].*>$'
+    Priority: 2
+  # C++ standard library
+  - Regex: '^<[a-z_]+>$'
+    Priority: 3
+  # System headers
+  - Regex: '^<.*>$'
+    Priority: 4
+
+# Spaces
+SpaceAfterCStyleCast: false
+SpaceAfterLogicalNot: false
+SpaceAfterTemplateKeyword: false
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeCpp11BracedList: false
+SpaceBeforeCtorInitializerColon: true
+SpaceBeforeInheritanceColon: true
+SpaceBeforeParens: ControlStatements
+SpaceBeforeRangeBasedForLoopColon: true
+SpaceInEmptyBlock: false
+SpaceInEmptyParentheses: false
+SpacesBeforeTrailingComments: 2
+SpacesInAngles: Never
+SpacesInContainerLiterals: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+
+# Other
+AllowAllArgumentsOnNextLine: true
+AllowAllParametersOfDeclarationOnNextLine: true
+AllowShortBlocksOnASingleLine: Empty
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortEnumsOnASingleLine: true
+AllowShortFunctionsOnASingleLine: Inline
+AllowShortIfStatementsOnASingleLine: Never
+AllowShortLambdasOnASingleLine: All
+AllowShortLoopsOnASingleLine: false
+AlwaysBreakAfterReturnType: None
+AlwaysBreakBeforeMultilineStrings: false
+AlwaysBreakTemplateDeclarations: Yes
+BinPackArguments: true
+BinPackParameters: true
+BreakBeforeBinaryOperators: None
+BreakBeforeTernaryOperators: true
+BreakConstructorInitializers: BeforeColon
+BreakInheritanceList: BeforeColon
+BreakStringLiterals: true
+CompactNamespaces: false
+Cpp11BracedListStyle: true
+EmptyLineAfterAccessModifier: Never
+EmptyLineBeforeAccessModifier: LogicalBlock
+FixNamespaceComments: true
+IndentAccessModifiers: false
+IndentWrappedFunctionNames: false
+InsertBraces: false
+LambdaBodyIndentation: Signature
+PackConstructorInitializers: CurrentLine
+ReflowComments: true
+SeparateDefinitionBlocks: Leave
+ShortNamespaceLines: 0
+SortUsingDeclarations: true

.clang-tidy

@@ -0,0 +1,95 @@
+# SPDX-License-Identifier: MIT
+# Clang-Tidy Configuration for The Wiser One
+
+Checks: >
+  -*,
+  bugprone-*,
+  -bugprone-easily-swappable-parameters,
+  -bugprone-unchecked-optional-access,
+  cert-*,
+  -cert-err58-cpp,
+  clang-analyzer-*,
+  concurrency-*,
+  cppcoreguidelines-*,
+  -cppcoreguidelines-avoid-magic-numbers,
+  -cppcoreguidelines-owning-memory,
+  -cppcoreguidelines-pro-bounds-array-to-pointer-decay,
+  -cppcoreguidelines-pro-type-vararg,
+  misc-*,
+  -misc-no-recursion,
+  -misc-non-private-member-variables-in-classes,
+  modernize-*,
+  -modernize-use-trailing-return-type,
+  -modernize-use-nodiscard,
+  performance-*,
+  portability-*,
+  readability-*,
+  -readability-braces-around-statements,
+  -readability-else-after-return,
+  -readability-identifier-length,
+  -readability-magic-numbers,
+  -readability-named-parameter,
+  -readability-uppercase-literal-suffix
+
+WarningsAsErrors: ''
+
+HeaderFilterRegex: '.*\.h$'
+
+CheckOptions:
+  # Naming conventions (Qt style)
+  - key: readability-identifier-naming.ClassCase
+    value: CamelCase
+  - key: readability-identifier-naming.StructCase
+    value: CamelCase
+  - key: readability-identifier-naming.EnumCase
+    value: CamelCase
+  - key: readability-identifier-naming.EnumConstantCase
+    value: CamelCase
+  - key: readability-identifier-naming.FunctionCase
+    value: camelBack
+  - key: readability-identifier-naming.VariableCase
+    value: camelBack
+  - key: readability-identifier-naming.ParameterCase
+    value: camelBack
+  - key: readability-identifier-naming.MemberCase
+    value: camelBack
+  - key: readability-identifier-naming.MemberPrefix
+    value: 'm_'
+  - key: readability-identifier-naming.ConstantCase
+    value: UPPER_CASE
+  - key: readability-identifier-naming.StaticConstantCase
+    value: UPPER_CASE
+  - key: readability-identifier-naming.ConstexprVariableCase
+    value: UPPER_CASE
+  - key: readability-identifier-naming.GlobalConstantCase
+    value: UPPER_CASE
+  - key: readability-identifier-naming.NamespaceCase
+    value: lower_case
+
+  # Function size limits
+  - key: readability-function-size.LineThreshold
+    value: '100'
+  - key: readability-function-size.StatementThreshold
+    value: '50'
+  - key: readability-function-size.ParameterThreshold
+    value: '6'
+
+  # Cognitive complexity
+  - key: readability-function-cognitive-complexity.Threshold
+    value: '25'
+
+  # Performance
+  - key: performance-unnecessary-value-param.AllowedTypes
+    value: 'QString;QStringView'
+
+  # Modernize
+  - key: modernize-use-override.IgnoreDestructors
+    value: 'false'
+  - key: modernize-loop-convert.MinConfidence
+    value: 'reasonable'
+  - key: modernize-pass-by-value.IncludeStyle
+    value: 'google'
+
+  # Misc
+  - key: misc-const-correctness.WarnPointersAsValues
+    value: 'false'

.github/RELEASE_TEMPLATE.md

@@ -0,0 +1,33 @@
+# The Wiser One 0.0.2 — Release Notes (2026‑02‑20)
+
+## Highlights
+- Refined quote and settings popups with unified styling and theme‑aware behavior
+- Strong quality gates: high test coverage and documentation coverage enforced
+- Ready‑to‑ship Linux artifacts: AppImage, Flatpak, and DEB
+
+## Artifacts
+- The_Wiser_One-x86_64.AppImage
+- WiserOne.flatpak
+- wiserone_0.0.2-1_amd64.deb
+- wiserone-dbgsym_0.0.2-1_amd64.ddeb
+
+## Install
+### AppImage
+```bash
+chmod +x The_Wiser_One-x86_64.AppImage
+./The_Wiser_One-x86_64.AppImage
+```
+
+### Flatpak
+```bash
+flatpak install --user WiserOne.flatpak
+flatpak run com.wiserone.WiserOne
+```
+
+### DEB
+```bash
+sudo apt install ./wiserone_0.0.2-1_amd64.deb
+```
+
+## Checksums
+See SHA256SUMS.txt and SHA256SUMS.txt.asc