Antag Selection Logging - #5847
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walksanatora merged 6 commits intoSep 2, 2026
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Included review availability: Your plan provides up to 2 included reviews per hour; 0 remain after this review. 📝 WalkthroughSummaryImproves antagonist-selection observability without changing gameplay mechanics or player-facing behavior.
User impactThere are no gameplay or player-facing changes. The changes affect server metrics and logging. Notable changes
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Guideline gaps
WalkthroughAntag selection logic moved into a Starlight partial class. The system enforces antag targets, handles replacements and ghost roles, records selection metrics, and records the assigned definition for late-join assignments. ChangesAntag selection enforcement and metrics
Estimated code review effort: 4 (Complex) | ~45 minutes Merge Risk: ⚪ Minimal · up to The PR adds round-scoped antagonist selection telemetry and cleanup without introducing an actionable merge-blocking risk; it is merge-ready after normal checks and review. Sequence Diagram(s)sequenceDiagram
participant ActiveTick
participant EnforceAntagTargets
participant WeightedPlayerPool
participant GhostRoleSpawner
participant SelectionMetrics
ActiveTick->>EnforceAntagTargets: enforce antag targets
EnforceAntagTargets->>WeightedPlayerPool: assign eligible players
WeightedPlayerPool-->>EnforceAntagTargets: return assignment results
EnforceAntagTargets->>GhostRoleSpawner: fill remaining target slots
GhostRoleSpawner-->>EnforceAntagTargets: return spawning result
EnforceAntagTargets->>SelectionMetrics: update selection counts
Suggested reviewers: 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
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Inline comments:
In `@Content.Server/Antag/AntagSelectionSystem.API.Assignment.cs`:
- Around line 341-351: In
Content.Server/Antag/AntagSelectionSystem.API.Assignment.cs, keep the wrapper
method-body change at lines 341-351 marked with // Starlight, and wrap the
complete new TryAssignNextAvailableAntag member in its own `#region` Starlight;
remove the nested in-method region at lines 363-369; replace the in-method
region at lines 405-411 with paired // Starlight-start and // Starlight-end
comments.
In `@Content.Server/Antag/AntagSelectionSystem.cs`:
- Around line 76-77: Bound the round label cardinality for the metric configured
near the labels round, rule, type, and state. Update AntagSelectionSystem to
remove each round’s metric children during the existing round-cleanup path, or
use the project’s managed metric lifetime mechanism, ensuring children for
completed rounds do not remain indefinitely.
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walksanatora
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Inline comments:
In `@Content.Server/Antag/AntagSelectionSystem.Starlight.cs`:
- Line 24: Wrap the newly added members in AntagSelectionSystem with a `#region`
Starlight / `#endregion` block, including the fields under Data collection and the
method beginning at line 51; retain Data collection as a nested region if
useful.
- Line 66: Update the enforcement flow around EnforceAntagTargets to capture its
boolean result and apply the same retry scheduling and retry-limit handling used
by the existing retry path before setting AssignmentHandled. Preserve the
current target list and ensure live-assignment or ghost-role retry requests are
scheduled immediately.
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## Short description Stops you from BECOMING A GHOST ROLE ANTAG midround, and also stops borgs from rolling antags. Needs ss14Starlight#5847. They don't particularly rely on eachother, but that one started converting things to use partials, and I continued that work here, so might as well merge them sequentially. ## Why we need to add this God has forsaken antag selection. ## Checks - [X] I do not require assistance to complete the PR. - [X] Before posting/requesting review of a PR, I have verified that the changes work. - [X] I have added screenshots/videos of the changes, or this PR does not change in-game mechanics. - [X] I affirm that my changes are licensed under the [MIT License](https://github.com/ss14Starlight/space-station-14/blob/Starlight/LICENSE.TXT) and grant permission for use in this repository under its conditions. **Changelog** :cl: wonderfulnewworld - fix: You will no longer spontaneously become a Nukie. - fix: Borgs can no longer roll antag.
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Short description
Adds more robust logging to antag selection. (Aka, late joins, and round number)
As I always say when I use AI, I used AI to help me, because I had no clue what coderabbit was talking about on that second comment but I figured "yeah I probably shouldn't flood the database".
Why we need to add this
So we can group Grafana entries by round and track latejoin selections
Checks
Nothing player facing here