v0.15.3

Features

• web: expose base-layer capabilities as REST endpoints (d9b7eda)
• web: draggable sidebar width with persistence; denser session items (e2feb26)
• tui: rendering pipeline optimizations from the updated tui core — 30 fps adaptive frame scheduling, CPU-bounded animation ticks, markdown per-block render cache, output backpressure gate, scrollback-preserving redraws (a15a438)
• tui: smooth 8-box pulse wave (14-frame ping-pong loop at 80 ms, width-safe glyphs) (65e307f)

Fixes

• agent: count media tokens in the compaction watermark; guard memory-memo extraction after successful compaction (526d064)
• core: harden persistence, usage accounting and abort cleanup (3ac1606)

Reverted

• tui model-switching session guard, pending further investigation (bc3c2fb)

Misc

• Bump all workspace packages to 0.15.3