* test(cmo): cover period/value accessors + name metadata
Codecov flagged 9 lines in crates/wickra-core/src/indicators/cmo.rs
(file at 92.30%): const accessors period (66-68), value (71-73) and
Indicator-impl name (134-136). cmo.rs now at 117/117.
* test(dema): cover period accessor + warmup/name metadata
Codecov flagged 9 lines in crates/wickra-core/src/indicators/dema.rs
(file at 85.00%): const accessor period (43-45), Indicator-impl
warmup_period (63,65,66) and name (72-74). dema.rs now at 60/60.
* test(donchian): cover period accessor + warmup/name metadata
Codecov flagged 9 lines in crates/wickra-core/src/indicators/donchian.rs
(file at 90.21%): const accessor period (57-59), Indicator-impl
warmup_period (95-97), name (103-105). donchian.rs now at 92/92.
* test(dpo): cover period/value accessors + name metadata
Codecov flagged 9 lines in crates/wickra-core/src/indicators/dpo.rs
(file at 91.74%): const accessors period (73-75), value (83-85) and
Indicator-impl name (132-134). dpo.rs now at 109/109.
* test(ease_of_movement): cover period/divisor accessors + name metadata
Codecov flagged 9 lines in crates/wickra-core/src/indicators/ease_of_movement.rs
(file at 94.15%): const accessors period (83-85), divisor (88-90) and
Indicator-impl name (141-143). ease_of_movement.rs now at 154/154.
