From 226fe667814802d8547258257c7a6144a67a7f25 Mon Sep 17 00:00:00 2001
From: "altendky-renovate[bot]"
 <263210179+altendky-renovate[bot]@users.noreply.github.com>
Date: Thu, 1 Oct 2026 12:42:45 +0000
Subject: [PATCH 1/2] chore(deps): update rust to 1.99

---
 rust-toolchain.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 9e70b8a..2324d54 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.98"
+channel = "1.99"
 components = ["rustfmt", "clippy", "llvm-tools-preview"]

From c00544e7d95a32c310781f1f3501d7ac3c401640 Mon Sep 17 00:00:00 2001
From: Kyle Altendorf <sda@fstab.net>
Date: Wed, 7 Oct 2026 20:02:34 -0400
Subject: [PATCH 2/2] Adapt test assertions to Rust 1.99 Clippy

---
 crates/mujou-export/src/thr.rs           |  2 +-
 crates/mujou-pipeline/src/contour.rs     |  2 +-
 crates/mujou-pipeline/src/diagnostics.rs |  4 ++--
 crates/mujou-pipeline/src/mask.rs        | 10 +++++-----
 crates/mujou-pipeline/src/optimize.rs    |  2 +-
 crates/mujou-pipeline/src/pipeline.rs    |  4 ++--
 6 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/crates/mujou-export/src/thr.rs b/crates/mujou-export/src/thr.rs
index 31c65cd..2faea65 100644
--- a/crates/mujou-export/src/thr.rs
+++ b/crates/mujou-export/src/thr.rs
@@ -256,7 +256,7 @@ mod tests {
     fn empty_polylines_produces_header_only() {
         let thr = to_thr(&[], &no_meta());
         let pairs = parse_pairs(&thr);
-        assert!(pairs.is_empty());
+        assert_eq!(pairs, []);
     }
 
     #[test]
diff --git a/crates/mujou-pipeline/src/contour.rs b/crates/mujou-pipeline/src/contour.rs
index 36504a2..635c88b 100644
--- a/crates/mujou-pipeline/src/contour.rs
+++ b/crates/mujou-pipeline/src/contour.rs
@@ -86,7 +86,7 @@ mod tests {
     fn empty_image_produces_no_contours() {
         let img = GrayImage::new(10, 10); // all black
         let result = ContourTracerKind::BorderFollowing.trace(&img);
-        assert!(result.is_empty());
+        assert_eq!(result, [] as [Polyline; 0]);
     }
 
     #[test]
diff --git a/crates/mujou-pipeline/src/diagnostics.rs b/crates/mujou-pipeline/src/diagnostics.rs
index b4e561c..b81499a 100644
--- a/crates/mujou-pipeline/src/diagnostics.rs
+++ b/crates/mujou-pipeline/src/diagnostics.rs
@@ -905,7 +905,7 @@ mod tests {
         };
 
         let report = diag.report();
-        assert!(!report.is_empty());
+        assert_ne!(report, "");
         assert!(report.contains("Pipeline Diagnostics Report"));
         assert!(report.contains("Edge Detection"));
         assert!(report.contains("Retrace"));
@@ -1011,7 +1011,7 @@ mod tests {
         };
 
         let report = diag.report();
-        assert!(!report.is_empty());
+        assert_ne!(report, "");
         // Verify the applied=true formatting path: "AxB -> CxD (target=N, Filter)"
         assert!(
             report.contains("800x600 -> 256x192"),
diff --git a/crates/mujou-pipeline/src/mask.rs b/crates/mujou-pipeline/src/mask.rs
index 4b80ae6..3a89304 100644
--- a/crates/mujou-pipeline/src/mask.rs
+++ b/crates/mujou-pipeline/src/mask.rs
@@ -646,7 +646,7 @@ mod tests {
     fn empty_polyline_returns_empty() {
         let pl = Polyline::new(vec![]);
         let result = clip_polyline_to_circle(&pl, CENTER, RADIUS);
-        assert!(result.is_empty());
+        assert_eq!(result, [] as [ClippedPolyline; 0]);
     }
 
     #[test]
@@ -672,7 +672,7 @@ mod tests {
             Point::new(30.0, 30.0),
         ]);
         let result = clip_polyline_to_circle(&pl, CENTER, RADIUS);
-        assert!(result.is_empty());
+        assert_eq!(result, [] as [ClippedPolyline; 0]);
     }
 
     #[test]
@@ -782,7 +782,7 @@ mod tests {
         // A single point can't form a segment (need >= 2 points).
         let pl = Polyline::new(vec![Point::new(0.0, 0.0)]);
         let result = clip_polyline_to_circle(&pl, CENTER, RADIUS);
-        assert!(result.is_empty());
+        assert_eq!(result, [] as [ClippedPolyline; 0]);
     }
 
     // ── apply_mask ───────────────────────────────────────────────────
@@ -951,7 +951,7 @@ mod tests {
     fn rect_empty_polyline_returns_empty() {
         let pl = Polyline::new(vec![]);
         let result = clip_polyline_to_rectangle(&pl, CENTER, HALF_W, HALF_H);
-        assert!(result.is_empty());
+        assert_eq!(result, [] as [ClippedPolyline; 0]);
     }
 
     #[test]
@@ -976,7 +976,7 @@ mod tests {
             Point::new(30.0, 30.0),
         ]);
         let result = clip_polyline_to_rectangle(&pl, CENTER, HALF_W, HALF_H);
-        assert!(result.is_empty());
+        assert_eq!(result, [] as [ClippedPolyline; 0]);
     }
 
     #[test]
diff --git a/crates/mujou-pipeline/src/optimize.rs b/crates/mujou-pipeline/src/optimize.rs
index af5fcbe..f65cc43 100644
--- a/crates/mujou-pipeline/src/optimize.rs
+++ b/crates/mujou-pipeline/src/optimize.rs
@@ -119,7 +119,7 @@ mod tests {
     #[test]
     fn empty_input_returns_empty() {
         let result = optimize_path_order(&[], TEST_STRATEGY, TEST_DIMS);
-        assert!(result.is_empty());
+        assert_eq!(result, [] as [Polyline; 0]);
     }
 
     #[test]
diff --git a/crates/mujou-pipeline/src/pipeline.rs b/crates/mujou-pipeline/src/pipeline.rs
index ffcaf19..17f50ee 100644
--- a/crates/mujou-pipeline/src/pipeline.rs
+++ b/crates/mujou-pipeline/src/pipeline.rs
@@ -1944,7 +1944,7 @@ mod tests {
             .detect_edges()
             .trace_contours()
             .unwrap();
-        assert!(!contours.contours().is_empty());
+        assert_ne!(contours.contours(), [] as [Polyline; 0]);
     }
 
     #[test]
@@ -1983,7 +1983,7 @@ mod tests {
             .trace_contours()
             .unwrap()
             .simplify();
-        assert!(!simplified.simplified().is_empty());
+        assert_ne!(simplified.simplified(), [] as [Polyline; 0]);
     }
 
     #[test]