Initial commit — TSLA grid trading bot

- Grid strategy with survival-gated spacing and depth
- Full 60% drop simulation for all survival checks
- Calibration report with auto-updating survival threshold
- Transaction history sync from Capital.com
- Dip mode with bottom-two TP rules

.gitignore

@@ -0,0 +1,22 @@
+# Credentials — never commit these
+.env
+
+# Database — large binary, regenerated by fetch_history.py
+data/
+
+# Logs — runtime output, not source code
+logs/
+
+# Python cache
+__pycache__/
+*.pyc
+*.pyo
+
+# OS files
+.DS_Store
+Thumbs.db
+
+# Editor files
+.vscode/
+.idea/
+*.swp