Project Context (Auto-Injected) Target configuration: ! --- Embedded Domain Layer 3: Domain Constraints Domain Constraints → Design Implications | Domain Rule | Design Constraint | Rust Implication | |-------------|-------------------|------------------| | No heap | Stack allocation | heapless, no Box/Vec | | No std | Core only | #![no std] | | Real-time | Predictable timing | No dynamic alloc | | Resource limited | Minimal memory | Static buffers | | Hardware safety | Safe peripheral access | HAL + ownership | | Interrupt safe | No blocking in ISR | Atomic, critical sections | --- Critical C…