Fix concurrency controls and add configurable draft prs

[strawgate]

No description provided.

[github-actions]

CI failed in Verify compiled workflows at Ensure lock files are up to date because make compile left the working tree dirty (new lockfile outputs were generated).

Evidence (from job logs)

• Working tree dirty after make compile.
• git status --porcelain listed updates under .github/workflows/agentics-maintenance.yml and multiple .github/workflows/gh-aw-*.lock.yml files.

Recommended fix
Run the compiler and commit the generated workflow artifacts:

make compile
git status --porcelain
# commit updated .github/workflows/*.lock.yml and .github/workflows/agentics-maintenance.yml

Tests: Not run locally (CI only).

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What is this? | From workflow: PR Checks Fixer

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