chore: update workflows and config from master/dev to main

[WellDunDun]

Summary

• Updated all 5 GitHub Actions workflows to trigger on main instead of master/dev
• Updated .coderabbit.yaml base branches to main only
• Updated docs/launch-playbook-tracker.md references from master to main

Follows the branch consolidation of dev + master → main.

Test plan

• CI (lint + test) passes on this PR
• Auto-bump workflow triggers and bumps version to v0.2.2
• Publish workflow ref check correctly uses refs/heads/main

🤖 Generated with Claude Code

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: ASSERTIVE

Plan: Pro

Run ID: 58785c08-8242-4a1d-b7e4-9d0e9d2f4c71

📥 Commits

Reviewing files that changed from the base of the PR and between b13f797 and 9476d44.

📒 Files selected for processing (7)

• .coderabbit.yaml
• .github/workflows/auto-bump-cli-version.yml
• .github/workflows/ci.yml
• .github/workflows/codeql.yml
• .github/workflows/publish.yml
• .github/workflows/scorecard.yml
• docs/launch-playbook-tracker.md

💤 Files with no reviewable changes (1)

• .coderabbit.yaml

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📝 Walkthrough

Summary by CodeRabbit

• Documentation

  • Updated launch day playbook with new pre-launch preparation tasks, including content creation and promotional materials development.

• Chores

  • Standardized repository branch configuration across automation workflows and infrastructure.

Walkthrough

The PR consolidates branch references across configuration, workflow, and documentation files from a multi-branch strategy (master/dev) to a single primary branch (main). Configuration files and GitHub Actions workflows are updated to trigger exclusively on main instead of master and dev.

Changes

Cohort / File(s)	Summary
GitHub Actions Workflows .github/workflows/auto-bump-cli-version.yml, ci.yml, codeql.yml, publish.yml, scorecard.yml	Updated all workflow triggers and conditions to target main branch exclusively instead of master and/or dev. Push and pull_request events now reference main only.
CodeRabbit Configuration .coderabbit.yaml	Removed dev and master from reviews.auto_review.base_branches, leaving only main as the target branch for automatic reviews.
Documentation docs/launch-playbook-tracker.md	Updated branch name references from master to main. Added new launch tasks to T-7 (Twitter/X thread draft, demo GIF/video) and T-1 (newsletter submissions queue).

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~4 minutes

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Title check	✅ Passed	The pull request title follows the conventional commits format with the 'chore' prefix and clearly describes the main change: updating workflows and configuration from master/dev to main.
Description check	✅ Passed	The description is directly related to the changeset, providing a clear summary of the branch consolidation updates across workflows, configuration, and documentation.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch chore/workflows-to-main

📝 Coding Plan

• Generate coding plan for human review comments

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