Add coverage gate to hooks and CI

[SoundBlaster]

Summary

• add a macOS-only FoundationUI coverage check to the pre-push hook, running tests with coverage and enforcing the 0.67 threshold via coverage_analysis.py
• create a macOS coverage-gate GitHub Actions job that mirrors the local gate and uploads coverage logs/reports from Documentation/Quality
• update task trackers and in-progress notes to record completion of Task A8 and the new coverage artifacts

Testing

• swift test --package-path FoundationUI --enable-code-coverage (fails on Linux due to missing SwiftUI SDK; gate runs on macOS)

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Codex Task

[chatgpt-codex-connector]

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[chatgpt-codex-connector]

Coverage gate skipped for FoundationUI-only changes

The new coverage-gate job runs FoundationUI tests and enforces the 67% threshold, but the workflow’s path filters at the top of this file still omit FoundationUI/**. GitHub Actions won’t trigger the workflow at all when a PR only touches the FoundationUI package, so this gate never executes for the module it is intended to protect and those changes can merge without coverage enforcement. Please add the FoundationUI paths to the workflow triggers (or a dedicated workflow) so the gate actually runs for FoundationUI edits.

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