add timedelta env var

[benedikt-bartscher]

[greptile-apps]

Confidence Score: 5/5

The PR appears safe to merge with no outstanding findings.

Summary

• Parses bare numeric values as seconds and supports us, ms, s, m, h, and d suffixes.
• Serializes durations without losing microsecond precision, including boundary values.
• Normalizes malformed and out-of-range durations to EnvironmentVarValueError.
• Adds module-level tests covering parsing, validation, defaults, and round trips.

_{Reviews (9) · Last reviewed commit: "Update packages/reflex-base/news/+envvar..."}

[codspeed]

Merging this PR will not alter performance

✅ 40 untouched benchmarks
⏩ 8 skipped benchmarks¹

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_{Comparing benedikt-bartscher:add-timedelta-envvar (f255933) with main (1d038c0)}

Footnotes

1. 8 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

[cubic-dev-ai]

All reported issues were addressed across 3 files

<sub>Reply with feedback, questions, or to request a fix.

Re-trigger cubic</sub>

[cubic-dev-ai]

All reported issues were addressed across 2 files (changes from recent commits).

<sub>Reply with feedback, questions, or to request a fix.

Re-trigger cubic</sub>

[benedikt-bartscher]

i would migrate some reflex EnvVar usages in a follow-up

[masenf]

great quality of life improvement for env vars, will be much easier to specify things like REFLEX_REDIS_LOCK_EXPIRATION=2h.

[benedikt-bartscher]

thanks for the feedback and quick merge @masenf - follow-up in #7138