Run package tests and DocC on stable Xcode 27.1

.github/workflows/docs.yml

@@ -8,6 +8,7 @@ on:
       - "Package.swift"
       - "README.md"
       - "Sources/**"
+      - "Tests/**"
       - "docs/**"
   push:
     branches:
@@ -18,15 +19,29 @@ on:
       - "Package.swift"
       - "README.md"
       - "Sources/**"
+      - "Tests/**"
       - "docs/**"
 
 jobs:
   docbuild:
-    runs-on: macos-latest
+    runs-on: xcode-27
+    env:
+      DEVELOPER_DIR: /Applications/Xcode_27.1.app/Contents/Developer
 
     steps:
       - name: Check out repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
+
+      - name: Show stable toolchain
+        run: |
+          xcodebuild -version
+          swift --version
+
+      - name: Build package without warnings
+        run: swift build -Xswiftc -warnings-as-errors
+
+      - name: Run package tests
+        run: swift test
 
       - name: Build DocC catalog
         run: |

CHANGELOG.md

@@ -53,6 +53,7 @@
 
 ### Changed
 
+- Updated CI to checkout v7 and stable Xcode 27.1, with a warnings-as-errors library build, full package tests, DocC verification, and test-file path triggers.
 - Added Xcode Quick Help documentation across the full exposed package API surface, including the native wrapper/helper layer and the deprecated compatibility layer, so every public type and entry point is easier to discover directly from Xcode.
 - Added richer Quick Help coverage for the zoom/navigation surface, including `SCChartTimeViewport`, `SCChartScrollBehavior`, `SCChartZoomBehavior`, and the scrollable interactive wrappers.
 - Raised minimum supported platform versions to Swift Charts baselines:

tasks/todo.md

@@ -1,5 +1,42 @@
 # Active Todo
 
+## Routine Maintenance Release 1.0.9 - 2026-10-27
+
+- [x] Confirm release tag, clean sibling main, and hosted stable Xcode availability
+- [x] Update checkout, stable toolchain selection, unit-test execution, and test path triggers
+- [x] Validate workflow syntax and run hosted stable build, tests, and DocC
+- [x] Request Codex GitHub review and resolve actionable findings
+- [x] Confirm main can fast-forward and annotated release tag 1.0.9 is unused
+- [x] Record final verification, update issue #7, and remove temporary artifacts
+
+### Review
+
+- Scope: CI maintenance plus changelog and task evidence. Preserve all library APIs, Swift 5.7 tools minimum, and deployment targets.
+- Use the hosted `xcode-27` image with explicit stable Xcode 27.1; local Xcode 27.2 RC is not a stable verification substitute.
+- Verify on the feature PR before integrating main and tagging; never force-push or move an existing tag.
+- Local verification passed: actionlint 1.7.12 (checksum-verified download; temporary config includes GitHub's documented `xcode-27` label), parsed workflow acceptance checks for both test triggers, stable toolchain, build, tests and DocC, plus `git diff --check`.
+- PR: https://github.com/ImpostersLimited/SimpleChart/pull/8. Automated Codex review completed for `5b54012` with no findings.
+- Hosted verification passed: https://github.com/ImpostersLimited/SimpleChart/actions/runs/40567680466. Stable Xcode 27.1 build 27A9275 / Swift 6.4 completed the warnings-as-errors library build, all 78 tests (zero failures), and DocC in a successful 5m53s job.
+- Delivery: fast-forward the clean sibling main and publish annotated `1.0.9`; record final local/remote commit convergence in issue #7 after publication. No library source, public API, manifest, or deployment baseline changes are needed.
+
+## Routine Maintenance Audit - 2026-10-27
+
+- [x] Check current Apple Swift/Charts documentation and installed toolchain release channel
+- [x] Review package compatibility, availability guards, and CI coverage
+- [x] Run warnings-as-errors build with the initially selected toolchain (Xcode 27.2 RC)
+- [x] Run full tests and DocC with stable Xcode (completed on hosted Xcode 27.1 for release 1.0.9)
+- [x] Record necessary updates, optional modernization, and verification limits
+
+### Review
+
+- Tracking: https://github.com/ImpostersLimited/SimpleChart/issues/7. GitHub MCP required reauthentication; authenticated `gh` fallback created the issue without assignees or project placement.
+- Official Swift 6.4 release notes and Apple's Swift updates describe availability shorthand, async defer, and noncopyable iteration/collections. No concrete benefit requiring these newer features was found for this synchronous chart wrapper; retain the Swift 5.7 tools minimum and current deployment targets.
+- Apple's current Swift Charts updates feed still lists June 2024 vectorized/function plots and June 2025 3D charts. The package already covers these families and conditionally enables Xcode 27 ViewBuilder chart composition. No new chart family requiring a wrapper was identified.
+- Current checkout and origin/main both remain at release commit `12508be`. `swift build -Xswiftc -warnings-as-errors` passed on the installed Swift 6.4.2 toolchain (69.87 seconds); no non-private `@State` declarations remain in Sources.
+- Toolchain correction: `/Applications/Xcode.app` reports Xcode 27.2 build 27B48, which Apple's current documentation identifies as RC. Command Line Tools receipt is also 27.2. The latest stable Apple release found is Xcode 27.1; do not count the RC build as stable verification or run further prerelease tests under the stable-only policy.
+- Recommended CI maintenance: `.github/workflows/docs.yml` still uses `actions/checkout@v4` (upstream latest v7.0.1), has no `swift test` step, and omits `Tests/**` from path triggers. Add stable-toolchain unit-test coverage and refresh checkout in a separate implementation change.
+- Fresh stable tests and DocC, simulator/device rendering, and Swift 6 language-mode migration were not verified. No package source, manifest, workflow, or release refs were changed by this audit.
+
 - [x] Read the linked Point-Free post and audit every SwiftUI state declaration
 - [x] Replace immutable legacy view inputs with private stored values
 - [x] Verify every remaining `@State` declaration is private