feat(visualizer): add Dash-based web interface for data visualization

mini-nav/__init__.py

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+from .database import DatabaseManager, db_manager, db_schema
+
+__all__ = ["DatabaseManager", "db_manager", "db_schema"]

mini-nav/main.py

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+from visualizer import app
+
+if __name__ == "__main__":
+    app.run(debug=True)

mini-nav/visualizer/__init__.py

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+from .app import app
+
+__all__ = ["app"]

mini-nav/visualizer/app.py

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+from typing import Optional
+
+import dash_ag_grid as dag
+import dash_mantine_components as dmc
+from dash import Dash
+from database import db_manager
+
+
+class APP(Dash):
+    """Singleton Dash Application"""
+
+    _instance: Optional["APP"] = None
+
+    def __new__(cls) -> "APP":
+        if cls._instance is None:
+            cls._instance = super().__new__(cls)
+        return cls._instance
+
+    def __init__(self):
+        super().__init__(__name__)
+
+        df = db_manager.table.search().select(["id", "label", "vector"]).to_polars()
+
+        columnDefs = [
+            {"headerName": column.capitalize(), "field": column}
+            for column in df.columns
+        ]
+
+        self.layout = dmc.MantineProvider(
+            dag.AgGrid(
+                rowData=df.to_dicts(),
+                columnDefs=columnDefs,
+            )
+        )
+
+
+app = APP()