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engine: bounds and validation for the new forwarding levers

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Novelty, HarmAwareness and ProgramEffect each get a 0..1 realism bound,
served in ConfigBounds and enforced in ValidateConfig with field-named
errors (the frontend matches on the JSON name to flag the right control).
Reject/boundary test cases added.
This commit is contained in:
Justin Visser 2026-06-18 20:07:02 +02:00
parent a0635544d9
commit f21994cc96
2 changed files with 35 additions and 8 deletions
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9
internal/engine/bounds_test.go
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@ -29,6 +29,12 @@ func TestValidateConfigRejectsOutOfBounds(t *testing.T) {
{"triangle probability above one", func(c *Config) { c.TriangleProb = 1.1 }, "triangleProb"},
{"negative forward probability", func(c *Config) { c.ForwardProb = -0.1 }, "forwardProb"},
{"guaranteed forwarding", func(c *Config) { c.ForwardProb = 0.95 }, "forwardProb"},
{"negative novelty", func(c *Config) { c.Novelty = -0.1 }, "novelty"},
{"novelty above one", func(c *Config) { c.Novelty = 1.1 }, "novelty"},
{"negative harm awareness", func(c *Config) { c.HarmAwareness = -0.1 }, "harmAwareness"},
{"harm awareness above one", func(c *Config) { c.HarmAwareness = 1.1 }, "harmAwareness"},
{"negative program effect", func(c *Config) { c.ProgramEffect = -0.1 }, "programEffect"},
{"program effect above one", func(c *Config) { c.ProgramEffect = 1.1 }, "programEffect"},
{"negative education budget", func(c *Config) { c.NumEducated = -1 }, "numEducated"},
{"educating more students than exist", func(c *Config) { c.NumEducated = 121 }, "numEducated"},
{"negative origin", func(c *Config) { c.Origin = -1 }, "origin"},
@ -59,6 +65,9 @@ func TestValidateConfigAcceptsBoundaryValues(t *testing.T) {
config.EdgesPerNode = bounds.EdgesPerNode.Max
config.ForwardProb = bounds.ForwardProb.Max
config.TriangleProb = bounds.TriangleProb.Max
config.Novelty = bounds.Novelty.Max
config.HarmAwareness = bounds.HarmAwareness.Max
config.ProgramEffect = bounds.ProgramEffect.Max
config.NumEducated = config.NumStudents
config.Origin = config.NumStudents - 1
if err := ValidateConfig(config); err != nil {