Add Adaptive Test Selection (AI-Assisted)

[dreamer-coding]

Description

Enhance TIM/TI system with adaptive test selection, running only the most relevant tests based on code changes or historical failures.

Goals

• Analyze file changes and map to relevant tests.
• Prioritize critical or historically failing tests.
• Provide faster feedback in CI.

Acceptance Criteria

• Adaptive mode skips irrelevant tests.
• CLI option to enable adaptive selection.