Apply rustfmt to entire workspace

Runs cargo fmt --all; all 573 tests still passing, clippy still clean.
No logic changes — formatting only.

Co-Authored-By: Claude Sonnet 4.6 <[email protected]>

crates/clawsync-onion/benches/iblt_bench.rs

@@ -9,7 +9,7 @@
 //! Run:
 //!   cargo bench -p clawsync-onion -- iblt_bench
 
-use clawsync_onion::iblt::{IbltSketch, DEFAULT_HASH_COUNT, MIN_CELLS};
+use clawsync_onion::iblt::{DEFAULT_HASH_COUNT, IbltSketch, MIN_CELLS};
 use criterion::{BenchmarkId, Criterion, black_box, criterion_group, criterion_main};
 
 // ─────────────────────────────────────────────────────────────────────────────
@@ -28,8 +28,12 @@ fn diff_sketches(n: usize, d: usize) -> (IbltSketch, Vec<u8>) {
     let m = ((d * 4).max(MIN_CELLS)).max(IbltSketch::recommended_cells(n));
     let mut a = IbltSketch::new(m, DEFAULT_HASH_COUNT, SEED);
     let mut b = IbltSketch::new(m, DEFAULT_HASH_COUNT, SEED);
-    for &k in &a_keys { a.insert(k); }
-    for &k in &b_keys { b.insert(k); }
+    for &k in &a_keys {
+        a.insert(k);
+    }
+    for &k in &b_keys {
+        b.insert(k);
+    }
     let b_bytes = b.to_bytes();
     a.subtract(&b);
     (a, b_bytes)
@@ -79,8 +83,12 @@ fn bench_iblt(c: &mut Criterion) {
                         let m = (d * 4).max(MIN_CELLS).max(IbltSketch::recommended_cells(n));
                         let mut a = IbltSketch::new(m, DEFAULT_HASH_COUNT, SEED);
                         let mut b_sk = IbltSketch::new(m, DEFAULT_HASH_COUNT, SEED);
-                        for &k in black_box(ak) { a.insert(k); }
-                        for &k in black_box(bk) { b_sk.insert(k); }
+                        for &k in black_box(ak) {
+                            a.insert(k);
+                        }
+                        for &k in black_box(bk) {
+                            b_sk.insert(k);
+                        }
                         a.subtract(&b_sk);
                         black_box(a.decode())
                     });
@@ -92,14 +100,20 @@ fn bench_iblt(c: &mut Criterion) {
 
     // ── Wire size table (not timed) ───────────────────────────────────────────
     println!("\n=== IBLT sketch size vs flat manifest (N × 60 B) ===");
-    println!("{:>8}  {:>10}  {:>12}  {:>10}", "N", "IBLT (B)", "Flat (B)", "ratio");
+    println!(
+        "{:>8}  {:>10}  {:>12}  {:>10}",
+        "N", "IBLT (B)", "Flat (B)", "ratio"
+    );
     for &n in &[10usize, 100, 1_000, 10_000, 100_000] {
         let ks = keys(n);
         let sz = IbltSketch::from_keys(&ks, SEED).to_bytes().len();
         let flat = n * 60;
         println!(
             "{:>8}  {:>10}  {:>12}  {:>9.1}×",
-            n, sz, flat, flat as f64 / sz as f64
+            n,
+            sz,
+            flat,
+            flat as f64 / sz as f64
         );
     }
 }