One conversation turn of issue #28 item 58, hop by hop. Each scene shows the exact content at one stage. The marks show what that hop adds, changes or removes.
The facts come from the code at commit ab14301 of main. The code links open that commit on GitHub.
Purple values are examples: random ids, signatures, hashes, times and token counts. The names, routes, field names and the shortened addresses are the live stack's. ‹…› marks a value this page does not know.
Source: docs/explainers/model-call-path/index.html. Keys: ← and → move one scene.