Add danbooru-mcp auto-start, git sync, status API endpoints, navbar status indicators, and LLM format retry

- app.py: add subprocess import; add _ensure_mcp_repo() to clone/pull
  danbooru-mcp from https://git.liveaodh.com/aodhan/danbooru-mcp into
  tools/danbooru-mcp/ at startup; add ensure_mcp_server_running() which
  calls _ensure_mcp_repo() then starts the Docker container if not running;
  add GET /api/status/comfyui and GET /api/status/mcp health endpoints;
  fix call_llm() to retry up to 3 times on unexpected response format
  (KeyError/IndexError), logging the raw response and prompting the LLM
  to respond with valid JSON before each retry
- templates/layout.html: add ComfyUI and MCP status dot indicators to
  navbar; add polling JS that checks both endpoints on load and every 30s
- static/style.css: add .service-status, .status-dot, .status-ok,
  .status-error, .status-checking styles and status-pulse keyframe animation
- .gitignore: add tools/ to exclude the cloned danbooru-mcp repo

models.py

@@ -34,6 +34,20 @@ class Character(db.Model):
     def __repr__(self):
         return f'<Character {self.character_id}>'
 
+class Look(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    look_id = db.Column(db.String(100), unique=True, nullable=False)
+    slug = db.Column(db.String(100), unique=True, nullable=False)
+    filename = db.Column(db.String(255), nullable=True)
+    name = db.Column(db.String(100), nullable=False)
+    character_id = db.Column(db.String(100), nullable=True)  # linked character
+    data = db.Column(db.JSON, nullable=False)
+    default_fields = db.Column(db.JSON, nullable=True)
+    image_path = db.Column(db.String(255), nullable=True)
+
+    def __repr__(self):
+        return f'<Look {self.look_id}>'
+
 class Outfit(db.Model):
     id = db.Column(db.Integer, primary_key=True)
     outfit_id = db.Column(db.String(100), unique=True, nullable=False)