Implement metadata-driven UI removing hardcoded service logic

Muhammad NOOR UL AINrequested to merge
feature/issue-85-metadata-driven-frontend into main

Refactor rule wizard to dynamically render trigger/action forms from service configSchema metadata returned by the API. DynamicFormFields component handles all field types based on schema hints (format, defaultTemplate, autoOperator). Remove all hardcoded service-specific conditionals from wizard steps, store, and shared hooks.

Closes #85 (closed)

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