fix: resolve database timeout hotspots

drizzle/0118_bright_sunspot.sql

@@ -0,0 +1,5 @@
+CREATE INDEX IF NOT EXISTS "idx_message_request_proxy_status_active" ON "message_request" USING btree ("created_at" DESC NULLS LAST,"user_id") WHERE "message_request"."deleted_at" IS NULL AND "message_request"."is_replay" = false AND "message_request"."status_code" IS NULL AND ("message_request"."blocked_by" IS NULL OR "message_request"."blocked_by" <> 'warmup');--> statement-breakpoint
+CREATE INDEX IF NOT EXISTS "idx_message_request_proxy_status_latest" ON "message_request" USING btree ("user_id","updated_at" DESC NULLS LAST,"id" DESC NULLS LAST) WHERE "message_request"."deleted_at" IS NULL AND "message_request"."is_replay" = false AND "message_request"."status_code" IS NOT NULL AND ("message_request"."blocked_by" IS NULL OR "message_request"."blocked_by" <> 'warmup');--> statement-breakpoint
+CREATE INDEX IF NOT EXISTS "idx_usage_ledger_user_id_reset" ON "usage_ledger" USING btree ("user_id");--> statement-breakpoint
+CREATE INDEX IF NOT EXISTS "idx_message_request_session_identity_created_at" ON "message_request" USING btree (COALESCE("session_identity", "session_id"),"created_at" DESC NULLS LAST,"id" DESC NULLS LAST) WHERE "message_request"."deleted_at" IS NULL;--> statement-breakpoint
+CREATE INDEX IF NOT EXISTS "idx_usage_ledger_session_identity_created_at" ON "usage_ledger" USING btree (COALESCE("session_identity", "session_id"),"user_id","created_at" DESC NULLS LAST) WHERE "usage_ledger"."blocked_by" IS NULL AND "usage_ledger"."is_replay" = false;