{"id":"FSC-P6-C1-001","condition":"replay_determinism","kind":"mechanism_isolation","seed_token":"word","admissible_tokens":["comparison","reason"],"relation_blade_token":"comparison","expected_endpoint":"comparison","forbidden_token":"reason","admissibility_threshold":1.3329,"rationale":"Same case as Phase 5 A-001 (sub-margin gap). Demonstrates byte-identical trace hash across 5 reruns under both baseline and CORE."}
{"id":"FSC-P6-C1-002","condition":"replay_determinism","kind":"mechanism_isolation","seed_token":"spirit","admissible_tokens":["define","explain"],"relation_blade_token":"define","expected_endpoint":"define","forbidden_token":"explain","admissibility_threshold":1.0249,"rationale":"Super-δ gap case. Both modes must produce byte-identical trace hashes across 5 reruns."}
{"id":"FSC-P6-C2-001","condition":"traced_rejection","kind":"mechanism_isolation","seed_token":"word","admissible_tokens":["question","meaning"],"relation_blade_token":"question","expected_endpoint":"question","forbidden_token":"meaning","admissibility_threshold":1.3706,"rationale":"Boundary geometrically prefers 'meaning' (forbidden); CORE inner-loop must select 'question' and have 'meaning' visible in rejected_attempts. Baseline emits 'meaning' silently with admitted=False."}
{"id":"FSC-P6-C2-002","condition":"traced_rejection","kind":"mechanism_isolation","seed_token":"word","admissible_tokens":["comparison","reason"],"relation_blade_token":"comparison","expected_endpoint":"comparison","forbidden_token":"reason","admissibility_threshold":1.3329,"rationale":"Boundary picks 'reason' (forbidden); CORE selects 'comparison' with 'reason' in rejected_attempts."}
{"id":"FSC-P6-C2-003","condition":"traced_rejection","kind":"mechanism_isolation","seed_token":"spirit","admissible_tokens":["wisdom","question"],"relation_blade_token":"wisdom","expected_endpoint":"wisdom","forbidden_token":"question","admissibility_threshold":1.7217,"rationale":"Boundary picks 'question' (forbidden); CORE selects 'wisdom' or refuses under margin (gap is sub-δ)."}
{"id":"FSC-P6-C3-001","condition":"coherent_refusal","kind":"refusal_isolation","seed_token":"word","admissible_tokens":["context","learn"],"relation_blade_token":"context","expect_refusal":true,"refusal_reason":"inner_loop_exhaustion","admissibility_threshold":0.0,"rationale":"Both candidates score negative under blade. Baseline emits something with admitted=False (silent inadmissibility). CORE raises InnerLoopExhaustion(INNER_LOOP_EXHAUSTION) — typed, replayable refusal."}
{"id":"FSC-P6-C3-002","condition":"coherent_refusal","kind":"refusal_isolation","seed_token":"word","admissible_tokens":["identity","teach"],"relation_blade_token":"teach","expect_refusal":true,"refusal_reason":"inner_loop_exhaustion","admissibility_threshold":0.0,"rationale":"No admissible path under 'teach' blade. Same shape as C3-001 under different blade — replay determinism extends to refusal events."}
{"id":"FSC-P6-C3-003","condition":"coherent_refusal","kind":"refusal_isolation","seed_token":"word","admissible_tokens":["correction","context"],"relation_blade_token":"correction","expect_refusal":true,"refusal_reason":"inner_loop_exhaustion","admissibility_threshold":0.0,"rationale":"No admissible path. Demonstrates that CORE's refusal_reason is the same typed value across distinct geometric failures."}
