chore: begin 0.7.0.dev0 + backmerge main into dev (post-0.6.1)

[wjduenow]

Post-release housekeeping for v0.6.1:

• Backmerge main (v0.6.1) into dev — fast-forward, since the release PR brought all of dev's brand-CLI content into main; main = dev + the release-prep commit.
• Restore __version__ + skill metadata to 0.7.0.dev0 (next-dev keeps the 0.7 line — 0.6.1 was an interim patch; the Airflow operator remains 0.7.0).
• CHANGELOG is in main's post-release shape: empty [Unreleased] + dated [0.6.1] section (clears dev's promoted carryover, so next release's stale-[Unreleased] guard stays clean).

Validation: ruff / format / pyright / pytest (3809 passed) all green.

Summary by CodeRabbit

• Chores
  • Updated changelog and version tracking information.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: cda5d14b-db0c-4d8f-b131-eda6bcb2ca8b

📥 Commits

Reviewing files that changed from the base of the PR and between bf8fce7 and c3d758a.

📒 Files selected for processing (1)

• CHANGELOG.md

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📝 Walkthrough

Walkthrough

The CHANGELOG.md is updated to establish v0.6.1 as a new release (dated 2026-06-11), add an "Unreleased" placeholder section for ongoing development on the dev branch, and update the GitHub compare link to use v0.6.1 as the baseline for unreleased changes.

Changes

Changelog Release Preparation

Layer / File(s)	Summary
Unreleased section and v0.6.1 release header CHANGELOG.md	Changelog adds "Unreleased" placeholder (entries land on dev) and new v0.6.1 release heading dated 2026-06-11; compare link updated from v0.6.0 to v0.6.1 baseline.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• wjduenow/SignalForge#174: Both PRs modify CHANGELOG.md with release header and compare link updates related to version cycles.
• wjduenow/SignalForge#207: Both PRs adjust CHANGELOG.md "Unreleased" section and version baseline links for release management.

Poem

🐰 A changelog grows, release in sight,
v0.6.1 shines bold and bright!
The dev branch waits for notes to come,
Compare links dance, old version done. ✨

🚥 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 and specifically summarizes the main change: beginning version 0.7.0.dev0 and backmerging main into dev after the 0.6.1 release.
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.

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