🚧 Send account events to ozone

[foysalit]

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[bnewbold]

Yup! This is roughly the shape I was thinking. Some notes:

• should have a conditional that if there isn't an authenticated ozone client configured on the engine, just skip
• an explicit config flag for this behavior. for example, in prod we run two parallel instances of automod, one for blobs and one for all other labels; we would only want to do these lifecycle event pushes from one of those instances
• we could add more context/metadata to the args of ProcessIdentityEvent, it is very minimal right now

[bnewbold]

More quick notes:

• to do lexicon generation in indigo, have the atproto repo checked out in parallel. eg, I have ~/code/indigo/ and ~/code/atproto/, so that the lexicons are at ~/code/atproto/lexicons/. you can have a branch or patches to the lexicon schema JSON files, doesn't need to be main branch. then, in indigo, run make lexgen, and then run make fmt lint test to check if anything broke. for example, new query params mean existing calling code needs to be updated. in some cases make cborgen is also necessary.
• to "de-dupe" event creation, i'd probably do a queryEvents on the same subject with the same event type, and check that the most recent event wasn't created in the past 48 hours or so and having the same type? might need some more thought/tuning
• just to call it out, there is a tension here between a model of "here is the account/record state at this point in time" vs "here is what changed (diff)". for a human mod reviewer, "what changed" is probably more meaningful, but the technical architecture isn't built that way. we can try to hack around that, but it is always going to be hard to figure out "what was the state before", which is what is required to figure out "what changed". having a log of "current state" allows a human to look and visually see what changed; for example this is what we do for DID PLC history in the account profile view right now

[foysalit]

Thanks, these notes help a lot!

check that the most recent event wasn't created in the past 48 hours

these are quite tricky since profiles may be updated within minutes because people are changing their bio or smth or accounts may be deactivated/reactivated because someone wanted to check how it works etc. I think just setting a shorter window for the last event check, like within the last 30s or smth would cover most legit cases?

for a human mod reviewer, "what changed" is probably more meaningful, but the technical architecture isn't built that way

I think we would cover this via record snapshots in ozone. automod would just emit the changes and ozone would keep snapshots so that we have full history for record updates. for account events, these don't matter much, do they? I guess for handle change it does but then we kinda have that history in plc, right?

[bnewbold]

for dedupe: yup! you are right, we definitely want to capture all those edits. maybe we can de-dupe from the CID or timestamp in the most recent event, instead of just the event type?

for "what changed": PLC is a good example. if only looking at PLC changes, the existing table works well: you can scan the columns and see what changed. in the ozone event history, it is probably going to be a mix of reports, comments, actions/labeling, and then a identity/PLC event in the middle. in that context is isn't easy to see what that one identity event represented though, would need to dig deeper. it is definitely an improvement to have it show up at all, and we can probably figure this out later in either the ozone backend or client.