Host competitions students enter, sit and hand in - #392
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A hosted group is a batch of competitions declared from a manifest: when it opens, how long the clock runs, whether a student may come back for another go. A student spends one entry per competition, either by sitting it or by giving it up, and the entry carries its own clock so the group's opening does not have to be the student's. Declaring a group is a CLI job rather than an endpoint, since it is authored alongside the problems it names. MathComps.Cli.Competitions reads the manifest, links the rounds, and reports what it created against what it revised. A defense used to be held against a handout environment and nothing else. It now carries one of two targets, the handout environment or an archive problem, so a student can argue a competition problem the same way. The two arms are kept exclusive by check constraints and composite foreign keys rather than by the code that writes them. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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PatrikBak
enabled auto-merge
August 25, 2026 22:55
The clock hands out hundred-nanosecond ticks and a stored timestamp holds whole microseconds, so an entry's start as the write returned it did not equal the same entry read back. A Mac's clock is already microsecond coarse, which is why only the CI runner ever saw it. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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A hosted group is a batch of competitions declared from a manifest: when it opens, how long the clock runs, whether a student may come back for another go. A student spends one entry per competition, either by sitting it or by giving it up, and the entry carries its own clock, so the group's opening does not have to be the student's.
Declaring a group is a CLI job rather than an endpoint, since it is authored alongside the problems it names.
MathComps.Cli.Competitionsreads the manifest, links the rounds, and reports what it created against what it revised.A defense used to be held against a handout environment and nothing else. It now carries one of two targets, the handout environment or an archive problem, so a student can argue a competition problem the same way. The two arms are kept exclusive by check constraints and composite foreign keys rather than by the code that writes them.
The competition area on the front end drops its mock services and talks to the real endpoints. What a student still owes before entering (a username, the graduation answer, an email) is read from the backend rather than guessed at, and the e2e suite gains a fake backend so the entry, clock and hand-in flows are covered end to end.
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