quantum_memory_bridge.py

#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-3.0-or-later
# SPDX-FileCopyrightText: 2025 Aetherra Labs and Contributors

"""Quantum memory bridge placeholder (alpha stub)."""

# (Implementation intentionally minimal in alpha phase)
#!/usr/bin/env python3
"""
🌌 QUANTUM MEMORY BRIDGE
========================

Bridge module that provides quantum memory integration capabilities
for enhanced memory coherence and quantum state management.
"""

# Standard library imports
import logging
from datetime import datetime
from typing import Any

logger = logging.getLogger(__name__)


class QuantumExperimentResult:
    """Result of a quantum experiment"""

    def __init__(self, experiment_type: str = "memory_coherence"):
        self.experiment_type = experiment_type
        self.success = True
        self.coherence_level = 0.92
        self.entanglement_strength = 0.88
        self.timestamp = datetime.now()

    def to_dict(self) -> dict[str, Any]:
        """Convert result to dictionary"""
        return {
            "experiment_type": self.experiment_type,
            "success": self.success,
            "coherence_level": self.coherence_level,
            "entanglement_strength": self.entanglement_strength,
            "timestamp": self.timestamp.isoformat(),
        }


class QuantumCircuitTemplate:
    """Template for quantum circuit operations"""

    def __init__(self, circuit_type: str = "memory"):
        self.circuit_type = circuit_type
        self.qubits = 4
        self.gates = []

    def add_gate(self, gate_type: str, target_qubit: int):
        """Add a quantum gate to the circuit"""
        self.gates.append({"type": gate_type, "target": target_qubit})

    def measure(self) -> dict[str, float]:
        """Simulate quantum measurement"""
        return {"0000": 0.25, "0001": 0.25, "0010": 0.25, "0011": 0.25}


class QuantumMemoryState:
    """Represents the quantum state of a memory system"""

    def __init__(self):
        self.coherence_level = 0.94
        self.entanglement_pairs = []
        self.superposition_memories = {}
        self.quantum_gates = []
        self.last_measurement = None

    def add_entanglement(self, memory_id1: str, memory_id2: str):
        """Add quantum entanglement between two memories"""
        self.entanglement_pairs.append((memory_id1, memory_id2))

    def set_superposition(self, memory_id: str, states: list[Any]):
        """Set a memory in quantum superposition"""
        self.superposition_memories[memory_id] = states

    def measure_state(self) -> dict[str, Any]:
        """Measure the quantum state (collapses superposition)"""
        measurement = {
            "coherence": self.coherence_level,
            "entangled_pairs": len(self.entanglement_pairs),
            "superposition_count": len(self.superposition_memories),
            "timestamp": datetime.now().isoformat(),
        }
        self.last_measurement = measurement
        return measurement


class QuantumMemoryBridge:
    """Bridge for quantum memory integration"""

    def __init__(self):
        self.is_available = True
        self.quantum_coherence = 0.94
        self.entangled_memories = 0
        self.quantum_state = QuantumMemoryState()

        logger.info("🌌 Quantum Memory Bridge initialized")

    def check_quantum_coherence(self) -> float:
        """Check quantum coherence level"""
        return self.quantum_coherence

    def entangle_memories(self, memory_ids: list[str]) -> bool:
        """Create quantum entanglement between memories"""
        self.entangled_memories += len(memory_ids)
        return True

    def get_quantum_state(self) -> dict[str, Any]:
        """Get current quantum state"""
        return {
            "coherence": self.quantum_coherence,
            "entangled_memories": self.entangled_memories,
            "superposition_active": True,
        }


def create_quantum_memory_bridge() -> QuantumMemoryBridge:
    """Create a quantum memory bridge instance"""
    return QuantumMemoryBridge()


__all__ = [
    "QuantumMemoryBridge",
    "QuantumCircuitTemplate",
    "QuantumExperimentResult",
    "QuantumMemoryState",
    "create_quantum_memory_bridge",
]