[vkgeorgia]

What changed

• Define Field as the retained evidence layer and describe how curated Knowledge Store findings cite its artefacts.
• Clarify where the Knowledge Store profile keeps uploaded originals, source summaries, and curated findings.

How it is verified

• git diff --check passes.
• On Windows, the notation link checker reports the same existing bundle-relative fixture link on the base and the branch. The GitHub workflow checks the documentation on Linux.

Checklist

• Based on main and limited to one concern.
• Commit signed off for DCO.
• No internal work-item references.