Add synthetic recompilation CI workflow

[patchzyy]

Summary by CodeRabbit

• Tests

  • Added automated recompilation checks for Windows builds.
  • Added validation that translates, compiles, links, and verifies the complete runtime.
  • Added checks for expected functions, generated configuration, and the final executable.
  • Expanded toolchain validation across direct compiler and CMake/Ninja builds.

• Chores

  • Updated packaging workflows to wait for successful recompilation checks before release jobs run.
  • Improved isolation, dependency handling, and error reporting during build validation.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Team

Run ID: 83a832d2-c5b9-4020-a122-6bb79d3429ef

📥 Commits

Reviewing files that changed from the base of the PR and between 5d67b22 and f9ce1e7.

📒 Files selected for processing (5)

• .github/workflows/build.yml
• .github/workflows/package.yml
• .github/workflows/recomp-test.yml
• Launcher/Test-Recompilation.ps1
• Launcher/prepare-portable-tools.sh

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📝 Walkthrough

Walkthrough

The change adds a synthetic recompilation test, updates portable-tool validation naming, and runs the test from build and packaging workflows. The release job now waits for recompilation to complete.

Changes

Synthetic recompilation validation

Layer / File(s)	Summary
Portable tool validation Launcher/prepare-portable-tools.sh	Renames the validation workspace and CMake test target from smoke to test.
Synthetic runtime recompilation Launcher/Test-Recompilation.ps1	Creates synthetic PowerPC input, translates it, validates function metadata, generates build inputs, and compiles WiiCompiled.exe on Windows.
Build and packaging integration .github/workflows/recomp-test.yml, .github/workflows/build.yml, .github/workflows/package.yml	Adds the reusable recompilation workflow and invokes it from build and packaging workflows. The release job requires recompilation, Linux packaging, and Windows packaging.

Estimated code review effort: 3 (Moderate) | ~20 minutes

Merge Risk: ⚪ Minimal · up to f9ce1

This adds a synthetic Windows recompilation check and makes build and packaging completion depend on it. The supplied change context identifies no remaining correctness, release, or runtime risk.

Sequence Diagram(s)

sequenceDiagram
  participant BuildWorkflow
  participant RecompilationWorkflow
  participant TestRecompilation
  participant WindowsToolchain
  BuildWorkflow->>RecompilationWorkflow: Invoke reusable workflow
  RecompilationWorkflow->>WindowsToolchain: Prepare .NET and portable dependencies
  RecompilationWorkflow->>TestRecompilation: Run with parallelism 3
  TestRecompilation->>WindowsToolchain: Translate, configure, compile, and link
  WindowsToolchain-->>TestRecompilation: Produce WiiCompiled.exe

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Suggested reviewers: theofficialgman

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly and concisely describes the main change: adding a synthetic recompilation CI workflow.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 1…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch ci-test-recompilation

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