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/actions/goblin_molestation_illustrious_02.json

@@ -0,0 +1,34 @@
+{
+  "action": {
+    "additional": "size difference, bodily fluids, messy environment, alley background, faceless male",
+    "arms": "restrained, held back,",
+    "eyes": "tearing, rolling back, distressed",
+    "feet": "",
+    "full_body": "1girl, surrounded, gangbang, torn clothing, (shota:1.5), cum string, fellatio, irrumatio, captured, defeated",
+    "hands": "",
+    "head": "hands on anothers head",
+    "legs": "",
+    "pelvis": "vaginal",
+    "torso": " size difference"
+  },
+  "action_id": "goblin_molestation_illustrious_02",
+  "action_name": "Shota Molestation ",
+  "lora": {
+    "lora_name": "Illustrious/Poses/Goblin_Molestation_Illustrious.safetensors",
+    "lora_triggers": "Goblinestation, gangbang,  multiple boys, 1girl, sex, rape, violation, alley",
+    "lora_weight": 0.8,
+    "lora_weight_max": 0.8,
+    "lora_weight_min": 0.8
+  },
+  "tags": [
+    "1girl",
+    "multiple_boys",
+    "gangbang",
+    "group_sex",
+    "sex",
+    "cum",
+    "size_difference",
+    "surrounded",
+    "rape"
+  ]
+}