Initial commit: Shop Database Flask Application

Flask backend with Vue 3 frontend for shop floor machine management.
Includes database schema export for MySQL shopdb_flask database.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

shopdb/core/models/knowledgebase.py

@@ -0,0 +1,27 @@
+"""Knowledge Base models."""
+
+from shopdb.extensions import db
+from .base import BaseModel
+
+
+class KnowledgeBase(BaseModel):
+    """Knowledge Base article linking to external resources."""
+    __tablename__ = 'knowledgebase'
+
+    linkid = db.Column(db.Integer, primary_key=True)
+    appid = db.Column(db.Integer, db.ForeignKey('applications.appid'))
+    shortdescription = db.Column(db.String(500), nullable=False)
+    linkurl = db.Column(db.String(2000))
+    keywords = db.Column(db.String(500))
+    clicks = db.Column(db.Integer, default=0)
+    lastupdated = db.Column(db.DateTime, default=db.func.now(), onupdate=db.func.now())
+
+    # Relationships
+    application = db.relationship('Application', backref=db.backref('knowledgebase_articles', lazy='dynamic'))
+
+    def __repr__(self):
+        return f"<KnowledgeBase {self.linkid}: {self.shortdescription[:50] if self.shortdescription else 'No desc'}>"
+
+    def increment_clicks(self):
+        """Increment click counter."""
+        self.clicks = (self.clicks or 0) + 1