perf: Optimize conflict detection via Redis & fix profiling silence

This commit pushes the Legacy In-Process Loader to its theoretical limit on CPython.

1. Redis-Accelerated Conflict Detection:
   - Replaced O(N) filesystem scanning (`glob`/`scandir`) with O(1) Redis Pipelining.
   - Implemented `_detect_conflicts_via_redis` to batch check dependency versions.
   - Reduced conflict detection time from ~2.3ms to ~0.09ms.

2. Profiling & Logging Hygiene:
   - Fixed `__init__` logic in `omnipkgLoader` to correctly respect `enable_profiling=False`.
   - Removed hardcoded raw `print()` statements from `_aggressive_module_cleanup`.
   - Updated `_profile_end` to enforce silence checks before printing.
   - Standard execution is now completely silent as intended.

3. Performance Verdict:
   - Legacy Loader swap time is now ~75-85ms.
   - Profiling confirms >90% of this latency is strictly CPython overhead (GC heap traversal + sys.modules dictionary resizing).
   - Logic overhead is now <10% (<8ms).
   - Further optimization requires Daemon mode (0.6ms).

Author: 1minds3t