Add configurable LookInside server support

[Kyle-Ye]

Summary

• Add environment-controlled LookInside/LookIn server selection for the Example Debug targets, defaulting to LookInside and rejecting both servers being enabled together.
• Share the OpenSwiftUI EnvManager and inspector server configuration through Tuist ProjectDescriptionHelpers for Project.swift and Tuist package settings.
• Keep the SwiftPM fallback for Tuist/Package.swift minimal with both inspector server dependencies disabled, and disable both servers for the UI test action.

[augmentcode]

🤖 Augment PR Summary

Summary: This PR makes the Example project’s debug inspector server configurable via environment variables, allowing selection between LookInsideServer and LookinServer (or disabling both).

Changes:

• Adds a shared EnvManager + environment-provider abstraction under Tuist ProjectDescriptionHelpers
• Introduces OpenSwiftUIExampleServerConfiguration to resolve OPENSWIFTUI_EXAMPLE_LOOKINSIDE_SERVER/OPENSWIFTUI_EXAMPLE_LOOKIN_SERVER and reject enabling both
• Updates Example/Project.swift to configure the env manager early, resolve server config, and conditionally add the chosen inspector server dependency
• Updates Tuist’s Package.swift to conditionally add the corresponding package dependency and product type/destination mappings when running under Tuist
• Keeps the non-Tuist SwiftPM fallback minimal by disabling both inspector server dependencies
• Disables both inspector servers for the CI UI-test action via $GITHUB_ENV
• Documents the new environment variables and expected values in Example/README.md

Technical Notes: Release configurations exclude inspector-server-related source globs while debug builds can include one chosen server (defaulting to LookInside) unless explicitly disabled.

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[augmentcode]

Review completed. 2 suggestions posted.

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

[augmentcode]

withDomain appends domain then defer { domains.removeAll { $0 == domain } }, which will also remove any previously-registered occurrences of the same domain (and can break later lookups). Consider only removing the entry added by this call so nested/duplicate domains don’t wipe global state.

Severity: medium

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[augmentcode]

appDependencies always includes debugServerDependencies, so Release configs may still link/embed LookInside/Lookin frameworks even though only some source files are excluded. If the intent is “Debug targets only”, you may want to ensure Release configurations don’t carry these dependencies at all.

Severity: medium

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 25.73%. Comparing base (11e3b51) to head (9cafecc).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #868   +/-   ##
=======================================
  Coverage   25.72%   25.73%           
=======================================
  Files         677      677           
  Lines       47008    47008           
=======================================
+ Hits        12095    12096    +1     
+ Misses      34913    34912    -1     

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