Add extra prompts, endless generation, random character default, and small fixes

- Add extra positive/negative prompt textareas to all 9 detail pages with session persistence
- Add Endless generation button to all detail pages (continuous preview generation until stopped)
- Default character selector to "Random Character" on all secondary detail pages
- Fix queue clear endpoint (remove spurious auth check)
- Refactor app.py into routes/ and services/ modules
- Update CLAUDE.md with new architecture documentation
- Various data file updates and cleanup

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

data/clothing/boundbeltedlatexnurseill.json

@@ -1,28 +1,25 @@
 {
   "outfit_id": "boundbeltedlatexnurseill",
-  "outfit_name": "Boundbeltedlatexnurseill",
+  "outfit_name": "Latex Nurse - Breast Belt",
   "wardrobe": {
     "full_body": "latex_dress",
     "headwear": "nurse_cap, mouth mask",
-    "top": "",
-    "bottom": "",
-    "legwear": "",
-    "footwear": "",
+    "top": "(belt across breasts:1.2)",
+    "bottom": "latex skirt",
+    "legwear": "lace stockings",
+    "footwear": "latex thigh boots, high heels",
     "hands": "elbow_gloves",
-    "accessories": "surgical_mask, belt, harness"
+    "accessories": ""
   },
   "lora": {
     "lora_name": "Illustrious/Clothing/BoundBeltedLatexNurseILL.safetensors",
     "lora_weight": 0.8,
-    "lora_triggers": "nurse_cap, latex_dress, elbow_gloves, surgical_mask, underboob_cutout",
-    "lora_weight_min": 0.8,
+    "lora_triggers": "latex nurse",
+    "lora_weight_min": 0.6,
     "lora_weight_max": 0.8
   },
   "tags": [
     "nurse",
-    "latex",
-    "underboob_cutout",
-    "bondage",
-    "clothing"
+    "latex"
   ]
-}
+}