Antoine 38d0994d29 Add WFE PSD analysis tools (Tony Hull methodology) ...

- tools/wfe_psd.py: Quick PSD computation for WFE surfaces
- optimization_engine/insights/wfe_psd.py: Full PSD module with band
  decomposition (LSF/MSF/HSF), radial averaging, Hann windowing,
  and visualization support
- knowledge_base/lac/session_insights/stopp_command_20260129.jsonl:
  Session insight from stopp command implementation

PSD analysis decomposes WFE into spatial frequency bands per Tony Hull's
JWST methodology. Used for CDR V7 to validate that MSF (support
print-through) dominates the residual WFE at 85-89% of total RMS.

2026-02-06 17:38:34 +00:00

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