docs: add SENSEX expiry report for 2026-09-03

[kunalrbhatia]

Summary

Automated post-expiry P&L analysis for SENSEX, 03 Sep 2026 (broker-verified).

Total P&L: ₹−10,791.00 (LOSS)

Session context

• First live day after the hedge-walk fix (PR fix: hedge-walk infinite retry for SENSEX caused duplicate hedges #118). Clean entry at 10:15 (76800 straddle @ 169.40/127.40, hedges 78300CE/74900PE).
• Market moved down; PEs bled hard. 76800 PE closed −₹10,942, 76600 PE closed −₹6,578 (roll + per-leg stops).
• CEs stayed green and rode to expiry: 76800 CE +₹3,370, 76600 CE +₹3,866.
• Report corrected to broker truth (16:06): initial generator missed the flattened 78400CE hedge (−₹6) from the morning's overfill cleanup — total −₹10,791.00 exact.

Notes

• Morning hedge-overfill incident (09:30–09:50) flattened before entry; the duplicate-hedge machine is fixed in PR fix: hedge-walk infinite retry for SENSEX caused duplicate hedges #118.
• Kill switch engaged 15:06 → position rode to expiry (no 15:10 close); EXIT_TIME reset to 15:10 and GH secret synced.