Support multi-process debugging: sync breakpoints and coordinate instances - #1172

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st0012 wants to merge 8 commits into

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Shopify:support-multi-process-breakpoints

Commits on Feb 21, 2026

Support multi-process debugging: sync breakpoints and coordinate instances
st0012
committed
b5020e7
Add tests for multi-process debugging
st0012
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cdd7e8e

Commits on Feb 22, 2026

Fix multi-process breakpoint sync issues found in review
st0012
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20f70ea
Keep wk_lock held during step commands to prevent worker ping-pong
st0012
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5481079

Commits on Feb 23, 2026

Hold wk_lock for entire worker session, not just step commands
st0012
committed
bbf30bc

Commits on Feb 24, 2026

Lazy-require set and tmpdir to avoid polluting Ruby 2.7 ancestors
st0012
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9f325e4
Release wk_lock on continue, hold during step commands
st0012
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2d0a1fb
Show process ID in prompt for independent worker sessions
st0012
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9c893a1