Add multi-session auth and changelog tracking

server/routers.ts

@@ -664,6 +664,11 @@ export const appRouter = router({
         exerciseType: z.string().optional(),
         sessionMode: z.enum(["practice", "pk"]).default("practice"),
         durationMinutes: z.number().min(1).max(720).optional(),
+        actionCount: z.number().min(0).max(100000).optional(),
+        actionSummary: z.record(z.string(), z.number()).optional(),
+        dominantAction: z.string().optional(),
+        validityStatus: z.enum(["pending", "valid", "valid_manual", "invalid_auto", "invalid_manual"]).optional(),
+        invalidReason: z.string().max(512).optional(),
       }))
       .mutation(async ({ ctx, input }) => {
         return enqueueTask({