sinohqb 5dd1bc8535 feat(engine): expectations now additive with explicit rules (ticket 01) ... 期望始终派生隐式判定并与显式规则叠加执行：rule_logic 只组合显式规则， 期望是叠加其上的硬约束，任一不满足即用例不通过。隐式判定以 EvalResult 同构落库，reason 前缀 [期望] 标明来源。连通用例（无规则无期望）行为不变。		2026-07-29 10:24:01 +08:00
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v0.5	feat(engine): expectations now additive with explicit rules (ticket 01)	2026-07-29 10:24:01 +08:00