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engine: tune the default world to a soft program

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DefaultConfig now describes a more realistic world: a moderately novel fake
(novelty 0.3), some ambient harm awareness (0.2), and a strong but imperfect
education program (programEffect 0.8) so educated students mostly, not always,
refuse. The headline shifts from 99/70/7 (a perfect program) to 100/83/21 out
of 120 (83/69/18 percent): no program >> random >> most-connected still holds,
targeting still wins by ~4x, but the program is no longer a perfect wall.
Golden values re-pinned in the engine and API tests; the preset base matches.
The forward-chance formula test now neutralises its baseline so it pins the
formula, not the tuned defaults.
This commit is contained in:
Justin Visser 2026-06-18 22:19:44 +02:00
parent 4ac7ba1624
commit c1201caf11
6 changed files with 27 additions and 18 deletions
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4
internal/api/scenario_test.go
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@ -29,8 +29,8 @@ func TestScenarioEndpointReturnsResultAndTopology(t *testing.T) {
t.Fatal(err)
}
if response.Result.NumReached != 7 { // the pinned golden value
t.Errorf("NumReached = %d, want 7", response.Result.NumReached)
if response.Result.NumReached != 21 { // the pinned golden value (tuned default world)
t.Errorf("NumReached = %d, want 21", response.Result.NumReached)
}
if response.Config != request.Config {
t.Errorf("config not echoed: got %+v", response.Config)