global: big snapshot

crates/brk_computer/src/internal/group/full.rs

@@ -11,7 +11,9 @@ use super::{Distribution, SumCum};
 /// Matches the common full_stats() pattern: average + minmax + percentiles + sum + cumulative
 #[derive(Clone, Traversable)]
 pub struct Full<I: VecIndex, T: ComputedVecValue + JsonSchema> {
+    #[traversable(flatten)]
     pub distribution: Distribution<I, T>,
+    #[traversable(flatten)]
     pub sum_cum: SumCum<I, T>,
 }
 

crates/brk_computer/src/internal/group/stats.rs

@@ -11,8 +11,11 @@ use super::{MinMax, SumCum};
 /// Sum + Cumulative + Average + Min + Max. Like `Full` but without percentiles.
 #[derive(Clone, Traversable)]
 pub struct Stats<I: VecIndex, T: ComputedVecValue + JsonSchema> {
+    #[traversable(flatten)]
     pub sum_cum: SumCum<I, T>,
+    #[traversable(flatten)]
     pub average: AverageVec<I, T>,
+    #[traversable(flatten)]
     pub minmax: MinMax<I, T>,
 }
 

crates/brk_computer/src/internal/group/sum_cum.rs

@@ -23,6 +23,14 @@ impl<I: VecIndex, T: ComputedVecValue + JsonSchema> SumCum<I, T> {
         })
     }
 
+    /// Import with raw sum name (no _sum suffix) for cases where sum should merge with base.
+    pub fn forced_import_sum_raw(db: &Database, name: &str, version: Version) -> Result<Self> {
+        Ok(Self {
+            sum: SumVec::forced_import_raw(db, name, version)?,
+            cumulative: CumulativeVec::forced_import(db, name, version)?,
+        })
+    }
+
     /// Compute sum and cumulative from source data.
     pub fn compute<A>(
         &mut self,