aisman

Direct session 7, Step 1: Deferred relation processing for forward references
- Deferred relation processing for forward references

Direct session 7, Step 2: Clarify all catalog.json update requirements in instruction files
- Clarify all catalog.json update requirements in instruction files

Direct session 7, Step 3: Add missing sessions -5 and -6 to catalog, update numbering for session 7 steps:
- Add missing sessions -5 and -6 to catalog, update numbering for session 7 steps

+ Updated the output Git checkin message template in the instructions files.