Exclude Linux backend on OHOS

[FrankHan052176]

Summary by CodeRabbit

• Bug Fixes
  • Improved platform detection so Linux-only features no longer appear on OHOS builds.
  • Tightened availability checks for several desktop features to better match supported platforms.
  • Kept behavior unchanged for standard Linux, Android, and iOS builds.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: da9ba318-7ab9-4e7b-8c04-f34038a8ab67

📥 Commits

Reviewing files that changed from the base of the PR and between 2e91a16 and f15c204.

📒 Files selected for processing (2)

• Cargo.toml
• src/lib.rs

🚧 Files skipped from review as they are similar to previous changes (2)

• Cargo.toml
• src/lib.rs

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📝 Walkthrough

Walkthrough

Conditional compilation guards in Cargo.toml and src/lib.rs now exclude target_env = "ohos" from Linux-specific dependencies, modules, re-exports, and public functions.

Changes

OHOS cfg exclusion

Layer / File(s)	Summary
Dependency scoping Cargo.toml	The Linux dependency table now requires target_os = "linux" and not(target_env = "ohos").
Linux module and re-export gating src/lib.rs	mod linux and Linux re-exports for display_size, listen, and simulate use the narrowed Linux condition.
Public function cfg guards src/lib.rs	listen, simulate, display_size, and grab now exclude OHOS alongside Android and iOS; the Linux-only block after display_size uses the narrowed condition.

Estimated code review effort: 1 (Trivial) | ~5 minutes

🚥 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 accurately summarizes the main change: excluding the Linux backend on OHOS.
Docstring Coverage	✅ Passed	Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.
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 unit tests (beta)

• Create PR with unit tests

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