Add exact KV memory with persona overlays and param priority.

Canonical defaults live in exact.json (UI fills empties without an LLM call); chat session overrides beat file defaults until clear/persona change.

Co-authored-by: Cursor <cursoragent@cursor.com>

Config/_base/models/krea2.json

@@ -1,26 +1,4 @@
 {
   "id": "krea2",
-  "gate_keywords": ["krea"],
-  "profiles": {
-    "turbo": {
-      "steps": 8,
-      "cfg": 1,
-      "sigma_shift": 1.15
-    },
-    "raw": {
-      "steps": 28,
-      "cfg": 4.5,
-      "sigma_shift": 1.15
-    }
-  },
-  "aspect_table": {
-    "1:1": [1024, 1024],
-    "4:3": [1184, 896],
-    "3:2": [1248, 832],
-    "16:9": [1376, 768],
-    "2.35:1": [1568, 672],
-    "4:5": [928, 1152],
-    "2:3": [832, 1248],
-    "9:16": [768, 1376]
-  }
+  "gate_keywords": ["krea"]
 }