update databasing system with minimum API, schema parsing and FreeCAD

integration

migrations/005_property_schema_version.sql

@@ -0,0 +1,30 @@
+-- Migration: 005_property_schema_version
+-- Description: Track property schema version for automated migrations
+
+BEGIN;
+
+-- Add property schema version to revisions
+-- This tracks which version of the property schema was used when the revision was created
+ALTER TABLE revisions ADD COLUMN IF NOT EXISTS property_schema_version INTEGER DEFAULT 1;
+
+-- Create index for finding revisions that need migration
+CREATE INDEX IF NOT EXISTS idx_revisions_property_schema_version ON revisions(property_schema_version);
+
+-- Create property migration history table
+-- Tracks when property schema migrations have been run
+CREATE TABLE IF NOT EXISTS property_migrations (
+    id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    schema_name TEXT NOT NULL,
+    from_version INTEGER NOT NULL,
+    to_version INTEGER NOT NULL,
+    items_affected INTEGER NOT NULL DEFAULT 0,
+    started_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+    completed_at TIMESTAMPTZ,
+    status TEXT NOT NULL DEFAULT 'pending',  -- pending, running, completed, failed
+    error_message TEXT
+);
+
+CREATE INDEX IF NOT EXISTS idx_property_migrations_schema ON property_migrations(schema_name);
+CREATE INDEX IF NOT EXISTS idx_property_migrations_status ON property_migrations(status);
+
+COMMIT;