Add Krea2 variant evidence node

docs/krea2-eval-log.json

@@ -1,6 +1,7 @@
 {
   "version": 1,
   "purpose": "Structured fixed-seed Krea2 prompt/image evidence for SxCP atlas pose variants.",
+  "artifact_policy": "Image paths are external ComfyUI artifacts and may be cleaned; seed, summaries, observation, decision, and commit are the durable record.",
   "entries": [
     {
       "id": "doggy-52-climax-target-structural",

docs/krea2-pov-pose-atlas.md

@@ -19,7 +19,9 @@ parsing the JSON directly.
 
 In ComfyUI, use the `SxCP Krea2 Pose Variant` node when you want a workflow to
 select one catalog variant and emit a compatible `hardcore_position_config` for
-the existing Position Pool / Action Filter / Insta-OF chain.
+the existing Position Pool / Action Filter / Insta-OF chain. Pair it with
+`SxCP Krea2 Variant Evidence` to display the fixed-seed eval entry, image paths,
+and generator decision behind that variant.
 
 ## Inventory
 

docs/sxcp-eval-loop.md

@@ -39,7 +39,9 @@ Runtime logs are written under `.sxcp_eval/` and ignored by git.
 Durable fixed-seed findings that justify a guide rule, generator patch, or pose
 variant promotion are recorded in [`krea2-eval-log.json`](krea2-eval-log.json).
 Use runtime logs for scratch notes; use the JSON log only for evidence that
-should remain tied to a catalog variant.
+should remain tied to a catalog variant. Image paths in that log point at
+external ComfyUI artifacts and may be cleaned; the durable evidence is the fixed
+seed, prompt summaries, observation, decision, and commit.
 
 ## Optional Command Hook