v0.21.2

0.21.2 (2026-08-17)

Features

• Classify free-parameter validation errors (9599be9)
• data: Harden batch I/O and memory planning (29e4ded)
• generation: Add proven phase-space envelope support (d5d3f30)
• generation: Add proven phase-space rejection envelopes (3b246ea)
• generation: Tighten proven envelopes with branch and bound (b6681bc)
• kernel: Expose instruction metadata and check matrix widths (7e51508)
• python: Add JSON serialization helpers (ee1ef56)
• Separate laddu-data into smaller submodules (e67fdb9)
• visualization: Add expression rendering styles (dfab904)

Bug Fixes

• Clippy lints (bbe9fc8)
• data: Preserve batch lengths during empty and row-based assembly (ee99827)
• ir: Enforce wrapper-specific kernel IR validation (0ee3ca7)
• Replace recursive expression traversal with iterative walks (a5eeeb9)