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Model card: add v6 MCQ results + v6cti CTI-round experiment note

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@@ -62,12 +62,15 @@ Foundation-Sec-8B is a *base* model and was evaluated with 3-shot raw completion
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  (its intended usage per Cisco's model card); k3-sec-8b was evaluated zero-shot
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  chat (Qwen3 template, non-thinking). Identical question sets for every model.
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- | Benchmark (n) | Foundation-Sec-8B | k3-sec-8b v4 | k3-sec-8b v5 |
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- |---|---:|---:|---:|
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- | CyberMetric-500 | 84.20% | **86.80%** | **86.80%** |
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- | CTI-Bench-MCQ (500) | **66.00%** | 59.20% | 59.80% |
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- | SecQA v1+v2 (210) | 98.10% | 98.10% | 98.10% |
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- | **Overall (1,210)** | **79.09%** | 77.36% | 77.60% |
 
 
 
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  Parse failures: 0 for all models in native modes.
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@@ -88,6 +91,15 @@ mostly-correct completion-style answers (~152 words avg); k3 v4/v5 give
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  structured markdown answers (~264/~307 words avg) with finer-grained precision
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  (e.g. LSASS dumping → T1003.001 sub-technique + detection methods, vs T1003 only).
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  **Takeaways.** k3-sec-8b (v4/v5) is stronger on broad general security knowledge
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  (CyberMetric) and far more usable interactively; Foundation-Sec-8B is stronger on
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  MITRE ATT&CK / threat-intel mapping (CTI-Bench) — the clearest data target for
 
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  (its intended usage per Cisco's model card); k3-sec-8b was evaluated zero-shot
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  chat (Qwen3 template, non-thinking). Identical question sets for every model.
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+ | Benchmark (n) | Foundation-Sec-8B | k3-sec-8b v4 | k3-sec-8b v5 | k3-sec-8b v6 |
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+ |---|---:|---:|---:|---:|
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+ | CyberMetric-500 | 84.20% | **86.80%** | **86.80%** | **86.80%** |
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+ | CTI-Bench-MCQ (500) | **66.00%** | 59.20% | 59.80% | 58.80% |
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+ | SecQA v1+v2 (210) | 98.10% | 98.10% | 98.10% | 98.10% |
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+ | **Overall (1,210)** | **79.09%** | 77.36% | 77.60% | 77.44% |
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+
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+ *v5 → v6 is knowledge-neutral on MCQ (r6 targeted agentic robustness). Few-shot
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+ completion mode (base-model style) lifts all k3 versions: v6 scores 87.6/62.8/98.1.*
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  Parse failures: 0 for all models in native modes.
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  structured markdown answers (~264/~307 words avg) with finer-grained precision
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  (e.g. LSASS dumping → T1003.001 sub-technique + detection methods, vs T1003 only).
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+ **CTI round experiment (v6cti branch, 2026-08-01):** a 2,521-trace ATT&CK-STIX-derived
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+ MCQ seed factory (decontaminated vs all three benchmarks, GLM-5.2 + Foundation-Sec
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+ teachers, deepseek-v4-flash judge) was trained on top of the r6 mix. Result: large
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+ CTI-Bench churn (+34/−37 flips) but no net gain and ~1.5 pt chat-mode regression —
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+ format conflict between justification-style traces and letter-only prompting was the
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+ main diagnosed cause. Negative result documented in the eval report; v2 plan is
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+ format-matched MCQ training + failure-targeted DPO. The `v6cti` branch remains
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+ available for inspection.
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+
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  **Takeaways.** k3-sec-8b (v4/v5) is stronger on broad general security knowledge
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  (CyberMetric) and far more usable interactively; Foundation-Sec-8B is stronger on
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  MITRE ATT&CK / threat-intel mapping (CTI-Bench) — the clearest data target for