Why: Tool-result clearing, folded reminders, and character truncation land in the native loop and the product path together. Evidence: agent-native 6fd1d44, agent-squad 4d53450, backend b2dc9a7. Impact: Default context window stays 32000 characters. Empty tool selection still exposes the profile's tools. Refs: feature/context-engineering Co-authored-by: Cursor <cursoragent@cursor.com>
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