Migration from SpecificationKit

.github/workflows/ci.yml

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+name: CI
+
+on:
+  push:
+    branches: [ '**' ]  # Run on all branches to test workflow changes
+  pull_request:
+    branches: [ '**' ]  # Run on all pull requests regardless of target branch
+  workflow_dispatch:  # Allow manual triggering
+
+jobs:
+  test-macos:
+    name: Test on macOS (${{ matrix.xcode }})
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        include:
+          - os: macos-14
+            xcode: '15.4'
+          - os: macos-latest
+            xcode: '16.0'
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Select Xcode version
+        run: sudo xcode-select -s /Applications/Xcode_${{ matrix.xcode }}.app/Contents/Developer
+
+      - name: Show Swift version
+        run: swift --version
+
+      - name: Build
+        run: swift build -v
+
+      - name: Run tests
+        run: swift test -v
+
+      - name: Run Thread Sanitizer
+        run: swift test --sanitize=thread
+
+  test-linux:
+    name: Test on Linux
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        swift: ['5.10', '6.0']
+    container:
+      image: swift:${{ matrix.swift }}
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Show Swift version
+        run: swift --version
+
+      - name: Build
+        run: swift build -v
+
+      - name: Run tests
+        run: swift test -v
+
+  lint:
+    name: SwiftFormat Check
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install SwiftFormat
+        run: brew install swiftformat
+
+      - name: Check formatting
+        run: swiftformat --lint .
+
+  build-release:
+    name: Build Release Configuration
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Build Release
+        run: swift build -c release

.swiftformat

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+# SwiftFormat configuration for SpecificationCore
+
+--swiftversion 5.10
+
+# Indentation
+--indent 4
+--indentcase false
+--trimwhitespace always
+
+# Wrapping
+--maxwidth 120
+--wraparguments before-first
+--wrapparameters before-first
+--wrapcollections before-first
+
+# Spacing
+--commas inline
+--semicolons inline
+--stripunusedargs closure-only
+
+# Organizing
+--organizetypes actor,class,enum,struct
+--structthreshold 0
+--classthreshold 0
+--enumthreshold 0
+--extensionlength 0
+
+# Options
+--exclude .build,DerivedData
+--disable redundantReturn

CHANGELOG.md

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+# Changelog
+
+All notable changes to SpecificationCore will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+### Added
+- Initial extraction of platform-independent core from SpecificationKit
+- Core protocols: Specification, DecisionSpec, AsyncSpecification, ContextProviding
+- Type erasure: AnySpecification, AnyAsyncSpecification, AnyDecisionSpec, AnyContextProvider
+- Context infrastructure: EvaluationContext, DefaultContextProvider, MockContextProvider
+- Basic specifications: PredicateSpec, FirstMatchSpec, MaxCountSpec, CooldownIntervalSpec, TimeSinceEventSpec, DateRangeSpec, DateComparisonSpec
+- Property wrappers: @Satisfies, @Decides, @Maybe, @AsyncSatisfies (platform-independent)
+- Macros: @specs, @AutoContext
+- Definitions: AutoContextSpecification, CompositeSpec
+- Comprehensive test suite with >90% coverage
+- Complete API documentation
+- CI/CD pipeline for macOS and Linux
+
+### Changed
+- N/A (initial release)
+
+### Deprecated
+- N/A (initial release)
+
+### Removed
+- N/A (initial release)
+
+### Fixed
+- N/A (initial release)
+
+### Security
+- N/A (initial release)
+
+## [0.1.0] - TBD
+
+Initial release of SpecificationCore - platform-independent foundation for the Specification Pattern in Swift.