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debug: add comprehensive logging for position tracking bug investigation

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Add debug logging to diagnose negative cash position issue where trades
calculate from initial $10,000 instead of accumulating.

Issue: After 11 trades, final cash shows -$8,768.68. Each trade appears
to calculate from $10,000 starting position instead of previous trade's
ending position.

Hypothesis: ContextInjector._current_position not updating after trades,
possibly due to MCP result type mismatch in isinstance(result, dict) check.

Debug logging added:
- agent/context_injector.py: Log MCP result type, content, and whether
  _current_position updates after each trade
- agent_tools/tool_trade.py: Log whether injected position is used vs
  DB query, and full contents of returned position dict

This will help identify:
1. What type is returned by MCP tool (dict vs other)
2. Whether _current_position is None on subsequent trades
3. What keys are present in returned position dicts

Related to issue where reasoning summary claims no trades executed
despite 4 sell orders being recorded.
This commit is contained in:
Bill Ballou
2025-11-07 14:16:30 -05:00
parent db1341e204
commit 277714f664
2 changed files with 14 additions and 0 deletions
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9
agent/context_injector.py
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@@ -88,9 +88,18 @@ class ContextInjector:
# Update position state after successful trade
if request.name in ["buy", "sell"]:
# Debug: Log result type and structure
print(f"[DEBUG ContextInjector] Trade result type: {type(result)}")
print(f"[DEBUG ContextInjector] Trade result: {result}")
print(f"[DEBUG ContextInjector] isinstance(result, dict): {isinstance(result, dict)}")
# Check if result is a valid position dict (not an error)
if isinstance(result, dict) and "error" not in result and "CASH" in result:
# Update our tracked position with the new state
self._current_position = result.copy()
print(f"[DEBUG ContextInjector] Updated _current_position: {self._current_position}")
else:
print(f"[DEBUG ContextInjector] Did NOT update _current_position - check failed")
print(f"[DEBUG ContextInjector] _current_position remains: {self._current_position}")
return result