chore(main): release odl-renderer 0.5.12

[github-actions]

🤖 I have created a release beep boop

0.5.12 (2026-07-06)

Bug Fixes

• coercion: tolerate string/percentage input on numeric fields; widen visible (0238de2)
• coercion: tolerate string/percentage input on numeric fields; widen visible falsy set (55678b2)
• plot: prevent crashes, hangs, and wrong-series rendering (81d0884)
• plot: prevent crashes, hangs, and wrong-series rendering (d268857)
• shapes,colors: guard zero-length dashed line; warn on unresolved colors (7bfe12b)
• shapes,colors: guard zero-length dashed line; warn on unresolved colors (44303d5)
• text: honor element color/anchor on parse_colors path and drop O(n^2) fitting (0e2cce2)
• text: honor element color/anchor on parse_colors path and drop O(n²) fitting (e4d6b05)

Performance Improvements

• crop element transforms, composite dlimg in place, cache fonts and QR codes (5e3e919)
• crop element transforms, composite dlimg in place, cache fonts and QR codes (fbbb3dd)

Tests

• refresh visual snapshots after merging the fix/perf train (f23721d)
• refresh visual snapshots after merging the fix/perf train (4ae61eb)

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[github-actions]

🤖 Created releases:

• odl-renderer-v0.5.12

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