chore: pin tollbooth-dpyc>=0.2.13

fix: lint — import ordering

feat: UUID-keyed internals — paid_tool and registry use UUID, not short names

chore: pin tollbooth-dpyc>=0.2.11

chore: pin tollbooth-dpyc>=0.2.10

chore: pin tollbooth-dpyc>=0.2.9

chore: pin tollbooth-dpyc>=0.2.8

chore: pin tollbooth-dpyc>=0.2.7

chore: pin tollbooth-dpyc>=0.2.6 for reset_pricing_model

chore: pin tollbooth-dpyc>=0.2.5

chore: pin tollbooth-dpyc>=0.2.4 for security fix + legacy UUID fallback

chore: pin tollbooth-dpyc>=0.2.3 for pricing cache invalidation

fix: lint — import ordering, unused import

feat: UUID-based tool identity — TOOL_COSTS → TOOL_REGISTRY

fix: mock flush_user returns True in invoice persistence tests