Save WIP Again.HEADmain

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+-- Canvas database schema
+
+-- Enable PostGIS extension for box data type support
+-- Note: PostgreSQL has built-in box type, no need for PostGIS
+
+-- Create the widgets table
+CREATE TABLE IF NOT EXISTS widgets (
+    id SERIAL PRIMARY KEY,
+    box BOX NOT NULL,
+    created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
+    updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW()
+);
+
+-- Create GiST index for efficient box queries
+CREATE INDEX IF NOT EXISTS widgets_box_gist_idx ON widgets USING GIST (box);
+
+-- Add any additional columns that might exist in your Supabase table
+-- You may need to adjust this based on your actual widget data structure
+-- ALTER TABLE widgets ADD COLUMN IF NOT EXISTS name TEXT;
+-- ALTER TABLE widgets ADD COLUMN IF NOT EXISTS data JSONB;
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