Downgrade pinned cfs version to v1.5.9

[ainetx]

Update the pinned cfs version to v1.5.9 and revise the release notes accordingly. This change ensures compatibility with existing features and addresses any issues introduced in the later version.

Summary by CodeRabbit

• Revert

  • Rolled back the pinned Constructor Studio version to an earlier release.

• Chores

  • Removed bundled release-note history from the repository.
  • Updated ignored local workflow and prompt artifacts to keep the project cleaner and reduce accidental commits.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 55d3158f-c00a-4c12-a6e8-f020bd89fe33

📥 Commits

Reviewing files that changed from the base of the PR and between 42cdf9c and 9ab78e6.

📒 Files selected for processing (3)

• .bootstrap/version.toml
• .bootstrap/whatsnew.toml
• .gitignore

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📝 Walkthrough

Walkthrough

Downgrades the pinned Constructor Studio cfs version from v1.6.0 to v1.5.9 in .bootstrap/version.toml, removes .bootstrap/whatsnew.toml, and consolidates .gitignore ignore patterns for Constructor Studio skill/prompt/workflow artifacts across all agent tool directories.

Changes

Version pin and gitignore consolidation

Layer / File(s)	Summary
cfs version downgrade .bootstrap/version.toml, .bootstrap/whatsnew.toml	Pins cfs at v1.5.9 for both version and requested_ref (previously v1.6.0/latest); removes the whatsnew.toml release-note entries file.
Consolidated gitignore patterns .gitignore	Replaces granular cf-*-ci/fix/gen/review/... ignore entries with consolidated top-level entries (cf-coding, cf-debug-prompts, cf-explain, cf-explore, cf-generate, cf-help, cf-kit, cf-map, cf-plan, cf-studio) across .agents/skills/, .claude/skills/, .cursor/commands/, .github/prompts/, and .windsurf/workflows/.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related PRs

• constructorfabric/studio#37: Updates the same cfs.requested_ref field in .bootstrap/version.toml.
• constructorfabric/studio#46: Modifies both .bootstrap/version.toml and .bootstrap/whatsnew.toml, the same files changed here.
• constructorfabric/studio#49: Refactors generated agent gitignore patterns in .gitignore, matching this PR's consolidation.

Poem

🐇 Hop back to fifty-nine, the version we trust,
The whatsnew file gone, turned quietly to dust.
Old patterns collapsed into tidy new names,
cf-studio and friends now headline the games.
Less noise in the ignore, more order in place—
A cleaner config warren, a tidier space! ✨

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch studio-version-down-to-1.5.9

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