Add Windows MSI release packaging

[MTG-Thomas]

Summary

• add Windows MSI release workflow using PyInstaller and WiX
• upload MSI assets on published v-prefixed releases
• dispatch package metadata to mtg-winget when releases publish
• document per-machine MSI install behavior

Verification

• git diff --cached --check before commit

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• Let Codesmith autofix CI failures and bot reviews

Summary by CodeRabbit

Release Notes

• New Features

  • Windows MSI installer now available for tagged releases, enabling per-machine installation with automatic system PATH integration.

• Documentation

  • Added Windows MSI documentation describing installation behavior, PATH updates, and elevation requirements.

• Chores

  • Implemented automated GitHub Actions workflow and build tooling for MSI generation on release.

[coderabbitai]

Caution

Review failed

Pull request was closed or merged during review

📝 Walkthrough

Walkthrough

This PR introduces complete Windows MSI packaging for quick-capture. It adds a WiX installer definition, PyInstaller executable spec, PowerShell build orchestration, a GitHub Actions release workflow, and supporting metadata extraction utilities. The workflow automates MSI generation on tagged releases and dispatches WinGet repository updates with installer details.

Changes

Windows MSI Packaging Pipeline

Layer / File(s)	Summary
Installer Definition (WiX) packaging/windows/quick-capture.wxs	Per-machine MSI structure with installation directory (Midtown Technology Group\Quick Capture), executable component, and PATH environment variable configuration.
Executable Packaging (PyInstaller) packaging/windows/quick-capture.spec	PyInstaller spec bundling quick-capture module with dependencies into quick-capture.exe, with optional UPX compression via BUILD_USE_UPX env var.
Executable Entry Point packaging/windows/quick-capture_launcher.py	Launcher script resolving and invoking the quick-capture console-script entry point at runtime via importlib.metadata.
Build Orchestration packaging/windows/build-msi.ps1, scripts/get_msi_product_code.ps1	PowerShell scripts orchestrating PyInstaller compilation, WiX validation, MSI generation, and ProductCode extraction via WindowsInstaller COM API.
Release Automation .github/workflows/release-msi.yml	GitHub Actions workflow triggered on release publication or manual dispatch, running build with computed version, publishing MSI to GitHub release or artifacts, and dispatching WinGet repository update on release.
Documentation README.md	Windows MSI distribution section documenting installation location, PATH modification, and elevated permission requirements.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~22 minutes

Poem

🐇 A rabbit hops through Windows bright,
MSI builders shine in sight,
PyInstaller spins up fast,
WiX weaves installers that will last—
From source to .msi, quick and light! 🎉

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title 'Add Windows MSI release packaging' directly describes the main change: introducing Windows MSI packaging for releases using PyInstaller and WiX.
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.

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✨ 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 codex/winget-msi-rollout

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