Add Tuist-based single XCFramework build

[Kyle-Ye]

A replacement of #807

Summary

• add Tuist support for generating the OpenSwiftUI Xcode workspace/project
• update the XCFramework build path to archive from the generated workspace and emit one OpenSwiftUI.xcframework
• update CI/release artifact plumbing for the single XCFramework
• trim release artifacts by omitting dSYMs and Swift ABI JSON unless --debug is passed
• force Objective-C categories from static COpenSwiftUI into the final dynamic OpenSwiftUI framework

Verification

• mise install
• swift package dump-package
• tuist generate --no-open
• bash -n Scripts/build_xcframework.sh
• git diff --check
• full default XCFramework build at /tmp/openswiftui-xcframework-objc-full/OpenSwiftUI.xcframework
• confirmed final artifact has macOS + iOS simulator slices, no dSYMs, no *.abi.json, and is ~46M
• confirmed NSMenu(OpenSwiftUI_SPI) category methods are present in the final OpenSwiftUI Mach-O
• copied artifact into local DemoKit package and verified swift run DemoKit starts without the NSMenu unrecognized selector crash
• xcodebuild -scheme DemoKit -destination "platform=macOS" -derivedDataPath /tmp/DemoKit-objc-full-dd build

Notes

The current single-binary package consumption still needs module search path flags for nested Swift modules copied into OpenSwiftUI.framework/Modules. The paired OpenSwiftUI-spm PR updates the binary package template to publish only the OpenSwiftUI binary target.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 27.19%. Comparing base (51da570) to head (e896965).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #856      +/-   ##
==========================================
- Coverage   27.19%   27.19%   -0.01%     
==========================================
  Files         673      673              
  Lines       44165    44165              
==========================================
- Hits        12012    12011       -1     
- Misses      32153    32154       +1     

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[Kyle-Ye]

Hit a upstream issue tuist/tuist#10616

[augmentcode]

🤖 Augment PR Summary

Summary: This PR switches XCFramework packaging to emit a single OpenSwiftUI.xcframework built from a Tuist-generated Xcode workspace, replacing the prior multi-XCFramework pipeline.

Changes:

• Add Tuist + mise tooling (Tuist.swift, mise.toml) and CI setup to install/generate the workspace.
• Update the XCFramework build script to run tuist generate, archive via xcodebuild from the generated workspace, and create one XCFramework output.
• Stop producing separate stub XCFrameworks for dependency modules; instead copy their Swift module/interface artifacts into the distributable framework’s Modules directory.
• Trim release artifacts by default (omit dSYMs and Swift ABI JSON unless --debug is used).
• Adjust release/CI workflows and composite action outputs to zip/upload/checksum only OpenSwiftUI.xcframework.
• Add linker flag to force Objective-C categories from static COpenSwiftUI into the final dynamic framework.

Technical Notes: Package manifest gains #if TUIST branches and Tuist PackageSettings to control product types during Tuist evaluation.

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[augmentcode]

Review completed. 1 suggestion posted.

Comment augment review to trigger a new review at any time.

[augmentcode]

copy_swiftmodule only warns when a module’s .swiftmodule can’t be found, but DEP_MODULES are described as being referenced by public .swiftinterfaces; proceeding could silently produce a broken XCFramework that fails for consumers. Consider making missing swiftmodules a hard failure (at least for DEP_MODULES) so CI/release artifacts can’t be published incomplete.

Severity: medium

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