Create actionable PM tasks in ai/memory-bank

[DanielMarcos1]

Converted raw markdown issue specifications into properly formatted project management tasks stored in the ai/memory-bank/tasks/ directory.

• Replaced vague assignment text with the requested explicit format [Task Name] needs to be resolved/issued/tested by the [Role].
• Replaced the experimental std::simd crate usage in the SIMD task with the domain-accurate wide crate required for this project.
• Removed original root ISSUE_TASK_*.md files.
• Kept pre-existing source code errors (like cargo test failures) untouched to remain in scope.

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PR created automatically by Jules for task 13699417887980744186 started by @DanielMarcos1

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