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feat: replace per-author cap with interleaving to avoid dropping posts in feed and home

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The old `diversify_by_author` capped each author to 2 posts per page, silently dropping excess rows. The new `interleave_by_author` reorders the full result set so no two consecutive posts share an author, preserving every post while breaking up same-author runs. `paginate_diverse` loses its `max_per_author` and `pool` parameters; the home route now fetches exactly 6 rows and interleaves them instead of over-fetching 50 and capping. Tests are rewritten to verify interleaving behavior and per-author chronological order preservation.
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retoor
2026-06-14 16:50:30 +00:00
parent 9ed611097d
commit aeea551e4b
9 changed files with 81 additions and 59 deletions
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README.md
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@@ -52,9 +52,9 @@ devplacepy/
| Prefix | Purpose |
|--------|---------|
| `/` | Home page: marketing splash for guests, personalized home (welcome, feed shortcut, latest posts, news) for signed-in users. Does not redirect. Latest-posts section shows at most two posts per author. |
| `/` | Home page: marketing splash for guests, personalized home (welcome, feed shortcut, latest posts, news) for signed-in users. Does not redirect. Latest-posts section interleaves authors so no two consecutive posts share an author. |
| `/auth` | Signup, login, logout, forgot/reset password |
| `/feed` | Post feed with topic/tab filtering and free-text `search` (title and content) in the left panel (public). Each page shows at most two posts per author. |
| `/feed` | Post feed with topic/tab filtering and free-text `search` (title and content) in the left panel (public). Each page interleaves authors so no two consecutive posts share an author. |
| `/news` | Developer news listing, detail page with comments |
| `/posts` | Post detail, creation |
| `/gists` | Code gist listing, detail, creation, and editing; left panel offers language filtering and free-text `search` (title and description), public read |