Poracode Nightly v1.6.6-nightly.202608271946

What's Changed

• Fall back to a Poracode identity for Git checkpoints by @SDSLeon in #641
• Fence one-shot output from shell startup banners by @SDSLeon in #642
• Persist streamed runtime output in bounded SQLite chunks by @SDSLeon in #643
• Animate windowed tool-call row shifts by @SDSLeon in #644

Full Changelog: v1.6.6-nightly.202608270721...v1.6.6-nightly.202608271946