Raise coverage gate to 95%

[JonahMMay]

Raises the CI coverage floor from 90% to 95% and adds unit tests so the gate passes.

• COVER_MIN / check scripts → 95%
• Additional tests for config, convert, manifest, and runtimehost edge paths
• Runtime / runtimedefault remain excluded from the cover profile (go-plugin glue), same as before

  

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Review details

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: c15b9db4-3505-4ebb-a0eb-210ee0d485be

📥 Commits

Reviewing files that changed from the base of the PR and between 3937da1 and ef4a157.

📒 Files selected for processing (7)

• .github/workflows/ci.yml
• pkg/pluginsdk/config/config_more_test.go
• pkg/pluginsdk/convert/convert_more_test.go
• pkg/pluginsdk/manifest/checksum_test.go
• pkg/pluginsdk/manifest/watch_sync_provider_test.go
• pkg/pluginsdk/runtimehost/coverage_more_test.go
• scripts/check-coverage.sh

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch cursor/coverage-95-d242

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