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+## TODO
+
+### Noise Channels & Open Quantum System Modelling
+* Depolarising channel
+* Amplitude damping
+* Phase damping
+* Thermal relaxation (T<sub>1</sub>/$T_2$)
+* Readout noise
+* Kraus operator framework
+* Pauli / Lindblad evolution engine
+* Stabiliser noise models
+
+### Density Matrix Backend
+* Optimised density matrix propagation
+* Hybrid wave-function / density-matrix simulation modes
+
+### GPU Offload, Caching & Scheduling
+* State caching on GPU
+* Tensored simulation on device
+* Batched execution engine
+* Device-side gate fusion
+
+### Tensor Network Simulation Backend
+* Tensor slicing
+* Contraction ordering
+* Edge-cut optimisation
+
+### Analogue Evolution
+* Suzuki–Trotter time-evolution models