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

Run ID: ae4ec108-5d38-4b6d-bc59-c50e4a02b45a

📥 Commits

Reviewing files that changed from the base of the PR and between 871bf1c and 2e91a16.

📒 Files selected for processing (2)

• Cargo.toml
• src/lib.rs

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📝 Walkthrough

Walkthrough

Conditional compilation guards in Cargo.toml and src/lib.rs are updated to exclude target_env = "ohos" builds. The Linux dependency table and Linux-specific modules/re-exports now require target_os = "linux" and not ohos; public functions listen, simulate, display_size, and grab exclude ohos alongside android and ios.

Changes

OHOS cfg exclusion

Layer / File(s)	Summary
Dependency scoping Cargo.toml	Linux dependency table cfg condition changed from target_os = "linux" to all(target_os = "linux", not(target_env = "ohos")).
Linux module and re-export gating src/lib.rs	mod linux; and re-exports for display_size, listen, simulate now require not(target_env = "ohos") alongside target_os = "linux".
Public function cfg guards src/lib.rs	listen, simulate, display_size, and grab cfg attributes now exclude target_env = "ohos" in addition to android and ios; the Linux-only block after display_size uses the same 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 clearly matches the main change: excluding the Linux backend on OHOS.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
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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