feat(admin): 完善审计访问上下文与后台布局

database/init.sql

@@ -455,6 +455,13 @@ CREATE TABLE IF NOT EXISTS public.audit_logs (
     detail text,
     operator_id uuid NOT NULL,
     operator_role character varying(50) NOT NULL,
+    client_ip character varying(45),
+    user_agent character varying(500),
+    client_type character varying(16),
+    client_version character varying(32),
+    client_platform character varying(16),
+    build_channel character varying(16),
+    build_commit character varying(64),
     created_at timestamp with time zone NOT NULL DEFAULT now(),
     CONSTRAINT fk_audit_logs_study_id FOREIGN KEY (study_id) REFERENCES public.studies(id) ON DELETE RESTRICT,
     CONSTRAINT fk_audit_logs_operator_id FOREIGN KEY (operator_id) REFERENCES public.users(id) ON DELETE RESTRICT
@@ -950,6 +957,9 @@ CREATE UNIQUE INDEX IF NOT EXISTS uq_document_versions_pending ON public.documen
 CREATE INDEX IF NOT EXISTS ix_distributions_version_target ON public.distributions (version_id, target_type, target_id);
 CREATE INDEX IF NOT EXISTS ix_acknowledgements_distribution_type ON public.acknowledgements (distribution_id, ack_type);
 CREATE INDEX IF NOT EXISTS ix_audit_logs_entity_at ON public.audit_logs (entity_type, entity_id, created_at);
+CREATE INDEX IF NOT EXISTS ix_audit_logs_operator_created ON public.audit_logs (operator_id, created_at);
+CREATE INDEX IF NOT EXISTS ix_audit_logs_client_ip_created ON public.audit_logs (client_ip, created_at);
+CREATE INDEX IF NOT EXISTS ix_audit_logs_client_source_created ON public.audit_logs (client_type, created_at);
 
 DO $$
 BEGIN