fix(ios): use pointer receivers on IOSDevice to stop copying its mutex

[gmegidish]

Fixes all 30 govet copylocks findings. IOSDevice contains a sync.Mutex (protecting the port forwarders and deviceKit state), but 28 methods used value receivers — every call copied the struct, mutex included, so the lock never actually guarded shared state. The constructor and ListIOSDevices also copied the struct by value.

Changes:

• All IOSDevice methods now use *IOSDevice receivers (matching StartAgent/StartScreenCapture, which already did)
• getDeviceInfo returns *IOSDevice; ListIOSDevices returns []*IOSDevice
• GetDeviceInfoList in common.go appends the pointers directly instead of &iosDevices[i]
• Two tests updated to use pointer values

Verified: go build ./..., go vet ./..., go test ./... all pass; golangci-lint govet count is 0 (was 30).

Summary by CodeRabbit

• Improvements

  • Improved consistency when discovering and managing connected iOS devices.
  • Updated iOS device operations to behave more reliably across physical devices and simulators.
  • Preserved existing validation, supported actions, and error handling for device interactions.

• Tests

  • Expanded coverage for iOS device capabilities and simulator activity restrictions.

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Reviewing files that changed from the base of the PR and between 0545812 and 9fd2aee.

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• devices/ios.go

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📝 Walkthrough

Walkthrough

The change converts IOSDevice construction, discovery, and methods to pointer-based usage. It updates aggregate device handling and tests for the pointer method set. Existing delegated operations and validation behavior remain unchanged.

Changes

iOS pointer-based device model

Layer / File(s)	Summary
Pointer-based discovery and aggregation devices/ios.go, devices/common.go	iOS device construction and discovery now return pointers. Failed construction paths return nil. Aggregate device handling appends iOS device values.
Pointer receivers and tests devices/ios.go, devices/animations_test.go, devices/simulator_activity_test.go	IOSDevice control, metadata, app, input, source, installation, tunnel, and orientation methods now use pointer receivers. Tests use pointer-based calls and assertions.

Estimated code review effort: 2 (Simple) | ~10 minutes

Merge Risk: ⚪ Minimal · up to 9fd2a

The PR changes IOSDevice handling to use pointers so its mutex is not copied, with related list and test updates. It is merge-ready after normal checks and review, with no actionable merge-blocking risk remaining.

Suggested reviewers: hakanor

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 33.33% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 6 functions across 4 files.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
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.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly summarizes the main change: switching IOSDevice methods to pointer receivers to prevent mutex copying.

✨ Finishing Touches 💡 1

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• Create stacked PR
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🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/ios-device-copylocks

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