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Sweep 22 Sep 2026 · 17:19Z Build v2.1.280 501 read Stable v2.1.267 Latest v2.1.280 Next v2.1.280 Feeds RSS JSON llms.txt Unofficial

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preserved-thinking

build-with-claude/preserved-thinking

Every read this site has made of the page, newest first. A date is when upstream edited the page, where upstream publishes that, and otherwise when the poller caught the edit; each row says which of the two it is.

Recorded changes10including the first read

Lines now1,737in the newest capture

Characters113,157in the newest capture

First seen 1 Sep 2026 18:37 UTC

Last changed 22 Sep 2026 16:37 UTC

Every recorded edit

10 edits since this site first read it

WhenTitle it carriedWhatLines

22 Sep 26 preserved-thinking ±changed +62−23 22 Sep 26 preserved-thinking ±changed +428−9 21 Sep 26 preserved-thinking ±changed +36−47 18 Sep 26 preserved-thinking ±changed +0−1 16 Sep 26 preserved-thinking ±changed +1−1 15 Sep 26 preserved-thinking ±changed +59−36 14 Sep 26 preserved-thinking ±changed +215−73 04 Sep 26 preserved-thinking ±changed +977−214 03 Sep 26 preserved-thinking ±changed +46−0 01 Sep 26 preserved-thinking +new page +317−0

As it stands

Lines1,737
Characters113,157
Categorybuild-with-claude
Pathbuild-with-claude/preserved-thinking

Read it upstream →

Sections it gained

#### Background (async) compaction
## Who needs to change anything
#### Handle the error in code
### Put changing context in the newest turn
### Libraries, proxies, and gateways
## Switching models mid-conversation
## Keeping the prefix unchanged
### What the API does with an invalid block
### Set the mismatch behavior and read `input_transformations`
### When the API enforces the check
### What counts as an edit
### Check whether your code edits the prefix

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