fix: agent should infer needed fields, not wait to be told

SETUP_CHECKLIST.md

@@ -104,8 +104,9 @@ Set up the memory directory structure:
 
 ## Notes
 
-Your human will tell you what fields to add to daily-context.json for
-their specific needs (medications, travel, etc.).
+Add fields relevant to whatever tracking systems you set up later
+(medications, travel, sleep, etc.). Infer what's needed from the
+sections your human enables — don't wait to be told.
 ```
 
 ### 1.5 Create AGENTS.md