Fix MCP register schema to accept competition_id and add missing trade_close tool

Fix auto-registration passing competition_id instead of slug to MCP register tool

Harden path validation with realpathSync to prevent symlink bypass

Fix path traversal, competition state bugs, SIGTERM double close, rule mode, and HTTP error handling

Remove Star History section from README

Update repo references from arena to trading_harness

Auto-detect decimal tp/sl format and warn about eager exit expressions

Add strategy diversity guidance to setup prompt

Fix realized_pnl extraction and add JSON retry with LLM feedback

Update docs: add guardrails for overlap rejection, naming fix, setup failure skip

Move overlap check into setup_agent.decide() with LLM retry

Reject expression updates with exit/entry overlap + add prompt warning

Skip runtime phase when setup fails (e.g. network outage)

Normalize indicator variable names: adx_14 instead of adx_timeperiod_14

Move auto-register before wait-for-live gate