docs(#848): RuleBasedDispatcher decision-vocabulary audit - #851
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bedaHovorka merged 2 commits intoJul 30, 2026
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Durable copy of the SP2c.25 spike findings (also posted live on #822) and the traffic-simulation-expert ruling (also posted live on #848): RuleBasedDispatcher.decide() is type-restricted to ApproveTrain, ReservePath and NoAction only; HoldTrain/SetSignalAspect/SetSwitchPosition are unreachable from any production dispatcher today; the four-action DispatchAction vocabulary in #822 §5.2 suffices, with a discriminant constraint recorded for SP2c.3 on the ReservePath/RequestRoute merge. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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Pull request overview
Documentation-only PR for Goal 10 (SP2c.25 / #848) that records an audit of what RuleBasedDispatcher.decide() can emit, to validate that the proposed four-action DispatchAction vocabulary in #822 is sufficient and to capture the determinism-risk caveat around ReservePath vs tool-driven RequestRoute.
Changes:
- Added a durable Markdown write-up of the decision-vocabulary audit findings, including file:line citations and the recorded traffic-simulation-expert ruling.
- Captured the recommended constraint for SP2c.3 to preserve
ReservePathsemantics distinctly from end-to-endRequestRouteto avoid breaking SP2c.5’s P10 determinism gate.
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>
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Summary
docs/GOAL_10_SP2C25_DECISION_VOCABULARY_AUDIT.mdas a durable copy of the findings already posted live as comments on Goal 10 SP2c: Autonomous dispatcher control-loop and agent-interface redesign #822 and SP2c.25: Spike — RuleBasedDispatcher decision-vocabulary audit #848.RuleBasedDispatcher.decide()is type-restricted toApproveTrain/ReservePath/NoActiononly (file:line cited); confirmsHoldTrain/SetSignalAspect/SetSwitchPositionare unreachable from any production dispatcher today; recommends the four-actionDispatchActionvocabulary in Goal 10 SP2c: Autonomous dispatcher control-loop and agent-interface redesign #822 §5.2 suffices, with a binding discriminant constraint recorded for SP2c.3 on theReservePath/RequestRoutesemantic merge (needed so SP2c.5's P10 byte-identical determinism gate doesn't fail).Closes #848
Test plan
:coreor production code toucheddocs/GOAL_10_SP2C25_DECISION_VOCABULARY_AUDIT.mdcontent matches the live Goal 10 SP2c: Autonomous dispatcher control-loop and agent-interface redesign #822/SP2c.25: Spike — RuleBasedDispatcher decision-vocabulary audit #848 comments verbatim🤖 Generated with Claude Code