Add README

README.md

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+---
+license: apache-2.0
+tags:
+  - krystalmind
+  - qwen3
+  - routing
+  - pharma-crm
+  - json-planner
+base_model: Qwen/Qwen3-0.6B-Instruct
+---
+
+# KrystalMind Cortex (0.6B JSON Planner)
+
+Structured JSON action planner for the L4 intelligence pipeline. Routes divergence signals to appropriate data sources.
+
+## Architecture
+- **Base**: Qwen3-0.6B-Instruct (28 layers, d_model=1024, 16Q/8KV heads)
+- **LoRA SFT**: rank=16, scale=1.0, 1000 iters on routing_sft_v1 (14,836 examples)
+- **Output**: Structured JSON plan (db_queries, ecs_metrics, ssm_context, simulation)
+- **Decoding**: Greedy (T=0.0) with JSON-aware brace-depth stop
+
+## Files
+- `krystalball_cortex.kb` — Baked production model (571 MB, FP32)
+- `fused/model.safetensors` — Full fused Qwen3-0.6B + LoRA (1.1 GB)
+- `adapters/adapters.safetensors` — LoRA adapters only (10 MB)
+- `tokenizer.json` — Qwen3 tokenizer
+
+## Performance
+- **INT8**: ~86 tok/s, **BF16**: ~53 tok/s
+- **Typical plan**: 150 tokens greedy @ ~1.75s
+- **3-tier parse robustness**: Direct JSON → repair → deterministic fallback