Add ShopifySovereignBridge class for biometric fit metadata injection

[Copilot]

Implements ShopifySovereignBridge — a class that injects Robert biometric fit metrics into Shopify draft orders to reduce returns, and syncs inventory changes from the Armario Solidario.

Changes

api/shopify_bridge.py

• ShopifySovereignBridge.__init__(api_key, shop_url) — constructs api_base and auth headers; API version via SHOPIFY_ADMIN_API_VERSION env var, defaults to 2026-04
• sync_robert_to_shopify(look_id, engine_metrics) — POSTs a draft order to Shopify Admin API with Robert_Fit_Score and Biometric_Validation line item properties; returns invoice URL on success, graceful fallback string on failure
• update_inventory_physics(fabric_key, stock_change) — logs stock sync for Armario Solidario removals

Uses urllib.request (consistent with existing module) rather than requests.

tests/test_shopify_bridge.py

15 new unittest cases covering init, payload structure, network error handling, missing fields, and inventory sync.

bridge = ShopifySovereignBridge(api_key, "mystore.myshopify.com")

# Injects fit score into draft order line item properties
result = bridge.sync_robert_to_shopify(look_id=42, engine_metrics={"fitScore": 87})
# → Shopify invoice URL, or "Checkout de Shopify listo para Look 42" on failure

# Sync stock removal
bridge.update_inventory_physics("linen_coat_v3", -1)

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Project	Deployment	Actions	Updated (UTC)
tryonyou-pilot	Error		Apr 7, 2026 1:54pm