feat: portfolio master algo overhaul + fixes

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Search:
- Three modes: Exhaustive, Greedy (incremental), Monte Carlo, combined
- Combination count estimate + runtime warning before run
- Background thread with Cancel button (threading.Event, no session_state spam)

Scoring:
- Composite weighted score (Ret/DD, Stability, Stagnation, Win Rate,
  Growth Quality, Diversity) with normalised sliders
- Score, Stability, Growth Quality, Diversity now whole numbers
- Growth Quality = normalised slope x R2 rewards consistently rising curves
- Diversity bonus based on symbol variety + session overlap

Correlation:
- Average pairwise correlation output metric
- Conditional correlation (drawdown days only) computed and displayed
- Per-result correlation heatmaps in detail expanders

Results table:
- Summary explanation panel above table
- Max Pos Exposure removed (unreliable with current parser output)

Fixes:
- Duplicate plotly_chart element ID fix
- time import missing fix

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unknown

2026-04-13 17:25:13 +10:00

parent 06e23e1d7a

commit 3db0870844

1 changed files with 714 additions and 599 deletions

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view_portfolio_master.py

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