feat: apply #28B smart breakeven + #31B H1 EMA20 filter, add backtests #26-#32

Live trading optimizations (cumulative: $2,807 net, 81.8% WR, Sharpe 3.97):
- #28B: Smart breakeven locks profit at entry + 0.5x ATR instead of fixed $2
- #31B: H1 Price vs EMA20 filter — BUY only when H1 bullish, SELL only when bearish

Backtests #26-#32 (7 scripts testing sell improvement, regime-aware entry,
confluence scoring, dynamic RR, multi-TF H1, and ML exit optimizer).
Winners: #28B (+$229), #31B (+$343). Failed: #26, #27, #29, #30, #32.

Also includes: web dashboard redesign, Docker setup, startup scripts.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

web-dashboard/.dockerignore

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+# Dependencies
+node_modules
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+.pnpm-debug.log*
+
+# Next.js
+.next/
+out/
+build
+dist
+
+# Testing
+coverage
+
+# Misc
+.DS_Store
+*.pem
+
+# Debug
+*.log
+
+# Local env files
+.env*.local
+.env
+
+# Vercel
+.vercel
+
+# TypeScript
+*.tsbuildinfo
+next-env.d.ts
+
+# IDE
+.vscode
+.idea
+
+# Git
+.git
+.gitignore
+README.md
+
+# Docs
+*.md
+
+# Exclude v3 tailwind config (use @theme in CSS for v4)
+tailwind.config.ts