feat(core): Capture the stream chunks and save partial messages (no-changelog) #21016
+78
−25
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Summary
Save AI message chunks as they're being streamed from execution engine to the frontend by wrapping the
res
object into a helper that captures the chunks. Construct the partial message and save it on cancel - we might want to save our full message saving to use this mechanism instead of parsing it from executions later on too 🤔But for now the goal was just to save the partial messages.
Related Linear tickets, Github issues, and Community forum posts
https://linear.app/n8n/issue/CHA-34/saving-partial-messages
Review / Merge checklist
release/backport
(if the PR is an urgent fix that needs to be backported)