feat: add AODH Image Saver (Metadata), Lora Selector, Checkpoint Selector, and various node improvements

nodes/character_reader/characters/olivier_mira_armstrong.json

@@ -0,0 +1,35 @@
+{
+  "character_id": "olivier_mira_armstrong",
+  "identity": {
+    "base_specs": "1girl, tall, mature female",
+    "hair": "blonde hair, long hair, hair over one eye",
+    "eyes": "blue eyes, sharp eyes",
+    "expression": "serious",
+    "hands": "",
+    "arms": "",
+    "torso": "medium breasts",
+    "pelvis": "",
+    "legs": "",
+    "feet": "",
+    "distinguishing_marks": "thick lips"
+  },
+  "wardrobe": {
+    "inner_layer": "black shirt",
+    "outer_layer": "blue military coat, fur collar",
+    "lower_body": "black pants",
+    "footwear": "black boots",
+    "gloves": "black gloves",
+    "accessories": "sword"
+  },
+  "styles": {
+    "aesthetic": "military, amestris uniform",
+    "primary_color": "blue",
+    "secondary_color": "black",
+    "tertiary_color": "gold"
+  },
+  "lora": {
+    "lora_name": "",
+    "lora_weight": 1.0,
+    "lora_triggers": ""
+  }
+}