Optimize loops and data structures in hist.c and hist_view.c

- Unroll fast paths in put_varint and get_varint
- Replace while capacity loop with branchless term_grow_cap in runs_reserve
- Vectorize continuation ring rehash with slice memcpy in cont_push
- Fast-check simple line runs using combined bitwise XOR-OR mask in evict_simple_run
- Resume batch simple-run eviction on interrupted sweeps in evict_for
- Eliminate unused page_rows and page_simple allocations (>320 KB heap saved)
- Add zero-delta bypass in Fenwick tree set_count
- Replace iterative capacity loop with branchless term_next_pow2_32 in hist_view_sync
- Eliminate prefix-walk in term_hist_view_find_row by reusing Fenwick remainder
- Simplify upward and downward viewport movement in term_hist_view_scroll

0 files changed, 0 insertions, 0 deletions