refactor(provider): unify HTTP calls behind doJSON helper (97 files), add table-driven CRUD test harness, add schema/docs drift-check linter, and parallelize e2e CI via composite setup action + fixed work with stack (#134)

refactor(provider): unify HTTP calls behind doJSON helper (97 files), add table-driven CRUD test harness, add schema/docs drift-check linter, and parallelize e2e CI via composite setup action + fixed work with stack (#134) #228