diff --git a/crates/ruff_cpp_codegen/src/render.rs b/crates/ruff_cpp_codegen/src/render.rs
index 783dae4a6e7afe..f0b5c587fac8b4 100644
--- a/crates/ruff_cpp_codegen/src/render.rs
+++ b/crates/ruff_cpp_codegen/src/render.rs
@@ -207,7 +207,14 @@ mod tests {
         // generated text stops compiling in the consumer repo (operator-gated,
         // rarely run) — this catches the render side in-env. (baton-auditor
         // boundary guard.)
-        for field in ["name:", "params:", "ret:", "is_const:", "is_static:", "overrides:"] {
+        for field in [
+            "name:",
+            "params:",
+            "ret:",
+            "is_const:",
+            "is_static:",
+            "overrides:",
+        ] {
             assert!(
                 s.contains(field),
                 "rendered MethodSig literal must carry the `{field}` field"
diff --git a/crates/ruff_csharp_spo/examples/validate_load.rs b/crates/ruff_csharp_spo/examples/validate_load.rs
index 4050d7f02f47ad..7f5955a136a96e 100644
--- a/crates/ruff_csharp_spo/examples/validate_load.rs
+++ b/crates/ruff_csharp_spo/examples/validate_load.rs
@@ -2,6 +2,9 @@ fn main() {
     let ndjson = std::fs::read_to_string(std::env::args().nth(1).unwrap()).unwrap();
     match ruff_csharp_spo::load(&ndjson) {
         Ok(triples) => println!("LOAD OK: {} triples", triples.len()),
-        Err(e) => { println!("LOAD FAILED: {e}"); std::process::exit(1); }
+        Err(e) => {
+            println!("LOAD FAILED: {e}");
+            std::process::exit(1);
+        }
     }
 }
diff --git a/crates/ruff_python_spo/examples/odoo_nav_probe.rs b/crates/ruff_python_spo/examples/odoo_nav_probe.rs
index 47b175b4952866..efde93e0ff605e 100644
--- a/crates/ruff_python_spo/examples/odoo_nav_probe.rs
+++ b/crates/ruff_python_spo/examples/odoo_nav_probe.rs
@@ -9,19 +9,33 @@
 use ruff_python_spo::{NavVocab, extract_odoo_nav_edges_with_report};
 
 fn main() {
-    let root = std::env::args().nth(1).expect("usage: odoo_nav_probe <addon_root>");
+    let root = std::env::args()
+        .nth(1)
+        .expect("usage: odoo_nav_probe <addon_root>");
     // Vocab: the account-addon core screens (normalized model names).
     let screens = [
-        "account_move", "account_move_line", "res_partner", "res_company",
-        "account_account", "account_journal", "account_payment",
-        "account_bank_statement", "account_analytic_line", "account_tax",
+        "account_move",
+        "account_move_line",
+        "res_partner",
+        "res_company",
+        "account_account",
+        "account_journal",
+        "account_payment",
+        "account_bank_statement",
+        "account_analytic_line",
+        "account_tax",
     ];
-    let vocab = NavVocab { screens: screens.iter().map(|s| (*s).to_string()).collect() };
+    let vocab = NavVocab {
+        screens: screens.iter().map(|s| (*s).to_string()).collect(),
+    };
     let (edges, report) = extract_odoo_nav_edges_with_report(std::path::Path::new(&root), &vocab);
     println!(
         "py={} xml={} raw_act_window={} files_with_edges={} edges={}",
-        report.py_files, report.xml_files, report.raw_act_window_refs,
-        report.files_with_edges, edges.len()
+        report.py_files,
+        report.xml_files,
+        report.raw_act_window_refs,
+        report.files_with_edges,
+        edges.len()
     );
     for e in &edges {
         println!("  {} -> {}  [{}]  {}", e.source, e.target, e.via, e.file);
diff --git a/crates/ruff_python_spo/examples/odoo_view_probe.rs b/crates/ruff_python_spo/examples/odoo_view_probe.rs
index 8707575ad6d653..21106891ec3d6a 100644
--- a/crates/ruff_python_spo/examples/odoo_view_probe.rs
+++ b/crates/ruff_python_spo/examples/odoo_view_probe.rs
@@ -13,14 +13,39 @@ fn main() {
     let target = ViewTarget {
         model: "account_move".into(),
         receivers: vec![],
-        fields: ["partner_id","date","amount_total","amount_untaxed","amount_tax",
-                 "invoice_date","invoice_date_due","journal_id","currency_id","state",
-                 "ref","narration","invoice_line_ids","line_ids","payment_state"]
-            .iter().map(|s| (*s).to_string()).collect(),
+        fields: [
+            "partner_id",
+            "date",
+            "amount_total",
+            "amount_untaxed",
+            "amount_tax",
+            "invoice_date",
+            "invoice_date_due",
+            "journal_id",
+            "currency_id",
+            "state",
+            "ref",
+            "narration",
+            "invoice_line_ids",
+            "line_ids",
+            "payment_state",
+        ]
+        .iter()
+        .map(|s| (*s).to_string())
+        .collect(),
     };
-    let (sets, report) = extract_odoo_view_field_sets_with_report(std::path::Path::new(&root), &[target]);
-    println!("xml={} view_records={} hits={}", report.xml_files, report.view_records, report.views_with_hits);
+    let (sets, report) =
+        extract_odoo_view_field_sets_with_report(std::path::Path::new(&root), &[target]);
+    println!(
+        "xml={} view_records={} hits={}",
+        report.xml_files, report.view_records, report.views_with_hits
+    );
     for s in sets.iter().take(6) {
-        println!("  {}  fields={}/{} referenced", s.view, s.fields.len(), s.referenced.len());
+        println!(
+            "  {}  fields={}/{} referenced",
+            s.view,
+            s.fields.len(),
+            s.referenced.len()
+        );
     }
 }
diff --git a/crates/ruff_python_spo/src/functions.rs b/crates/ruff_python_spo/src/functions.rs
index 41d5cb55322002..53a001ef4c3d65 100644
--- a/crates/ruff_python_spo/src/functions.rs
+++ b/crates/ruff_python_spo/src/functions.rs
@@ -59,7 +59,14 @@ use crate::{RawMethod, expr_str};
 /// ruby's `AR_MUTATORS`: deliberately narrow (not every call, just the ORM's
 /// own mutator vocabulary) per `.claude/knowledge/fuzzy-recipe-codebook.md`
 /// §2.
-const ORM_MUTATORS: &[&str] = &["create", "write", "unlink", "update", "copy", "flush_recordset"];
+const ORM_MUTATORS: &[&str] = &[
+    "create",
+    "write",
+    "unlink",
+    "update",
+    "copy",
+    "flush_recordset",
+];
 
 /// Analyse a method into its decorator + body facts.
 pub(crate) fn analyze_method(func: &StmtFunctionDef) -> RawMethod {
diff --git a/crates/ruff_python_spo/src/odoo_nav.rs b/crates/ruff_python_spo/src/odoo_nav.rs
index 9fd16c6debddfe..b1eff1c3d4c82e 100644
--- a/crates/ruff_python_spo/src/odoo_nav.rs
+++ b/crates/ruff_python_spo/src/odoo_nav.rs
@@ -470,7 +470,11 @@ class AccountMove(models.Model):
         write(&dir, "models/account_move.py", PY_ACTION);
         let v = vocab(&["account_move_line"]);
         let (edges, report) = extract_odoo_nav_edges_with_report(&dir, &v);
-        assert_eq!(edges.len(), 1, "exactly the literal-res_model edge: {edges:?}");
+        assert_eq!(
+            edges.len(),
+            1,
+            "exactly the literal-res_model edge: {edges:?}"
+        );
         assert_eq!(edges[0].source, "account_move");
         assert_eq!(edges[0].target, "account_move_line");
         assert_eq!(edges[0].via, "act_window_return");
@@ -532,7 +536,10 @@ class MoveExt(models.Model):
         // `account_move_lines` (plural) deliberately does NOT match.
         let v = vocab(&["account_move_lines"]);
         let (edges, report) = extract_odoo_nav_edges_with_report(&dir, &v);
-        assert!(edges.is_empty(), "exact matching must reject the plural: {edges:?}");
+        assert!(
+            edges.is_empty(),
+            "exact matching must reject the plural: {edges:?}"
+        );
         assert_eq!(report.raw_act_window_refs, 2);
         cleanup(dir);
     }
diff --git a/crates/ruff_ruby_spo/src/functions.rs b/crates/ruff_ruby_spo/src/functions.rs
index 9035ec6055d2b1..7e5e49519d4401 100644
--- a/crates/ruff_ruby_spo/src/functions.rs
+++ b/crates/ruff_ruby_spo/src/functions.rs
@@ -1373,7 +1373,10 @@ class M
 end
 "#,
         );
-        assert!(funcs[0].writes.is_empty(), "ivar or-asgn must not be a field write");
+        assert!(
+            funcs[0].writes.is_empty(),
+            "ivar or-asgn must not be a field write"
+        );
         assert!(funcs[0].guarded_writes.is_empty());
     }
 
diff --git a/crates/ruff_spo_triplet/src/exam_config.rs b/crates/ruff_spo_triplet/src/exam_config.rs
index 6c2875d6ec1161..4cf087c364e052 100644
--- a/crates/ruff_spo_triplet/src/exam_config.rs
+++ b/crates/ruff_spo_triplet/src/exam_config.rs
@@ -249,6 +249,9 @@ mod tests {
     #[test]
     fn malformed_region_row_with_no_separator_is_skipped() {
         let cfg = parse("region=bogus\nregion=left:left_nav\n");
-        assert_eq!(cfg.regions, vec![("left".to_string(), "left_nav".to_string())]);
+        assert_eq!(
+            cfg.regions,
+            vec![("left".to_string(), "left_nav".to_string())]
+        );
     }
 }
diff --git a/crates/ruff_spo_triplet/src/lib.rs b/crates/ruff_spo_triplet/src/lib.rs
index 66f4f4c0c96553..084bbe930c6336 100644
--- a/crates/ruff_spo_triplet/src/lib.rs
+++ b/crates/ruff_spo_triplet/src/lib.rs
@@ -86,8 +86,8 @@ pub use ir::{
 };
 pub use nav_digest::build_nav_digest;
 pub use ndjson::{ParseError, from_ndjson, to_ndjson};
-pub use reassemble::{cpp_projection, reassemble};
 pub use quad::{MenuQuad, PurposeRole, PurposeRule, classify_purpose};
+pub use reassemble::{cpp_projection, reassemble};
 pub use recipe::{RecipeCentroid, classify, is_recoverable};
 pub use region::{RegionFact, RegionSubject, region_triples};
 pub use structured_names::{
diff --git a/crates/ruff_spo_triplet/src/nav_digest.rs b/crates/ruff_spo_triplet/src/nav_digest.rs
index 6af5c8b6edebe1..c4f07176ed971f 100644
--- a/crates/ruff_spo_triplet/src/nav_digest.rs
+++ b/crates/ruff_spo_triplet/src/nav_digest.rs
@@ -460,7 +460,10 @@ pub fn build_nav_digest(triples: &[Triple], config: &ExamConfig) -> String {
         } else {
             "leaf"
         };
-        let _ = writeln!(out, "{node}  loc={loc}  purpose={purpose}  id={id}  action={action}");
+        let _ = writeln!(
+            out,
+            "{node}  loc={loc}  purpose={purpose}  id={id}  action={action}"
+        );
     }
 
     out
@@ -581,7 +584,12 @@ mod tests {
                 "form",
                 Provenance::Inferred,
             ),
-            Triple::new("app:Invoice", Predicate::Purpose, "list", Provenance::Inferred),
+            Triple::new(
+                "app:Invoice",
+                Predicate::Purpose,
+                "list",
+                Provenance::Inferred,
+            ),
         ]
     }
 
@@ -702,17 +710,44 @@ Invoice  loc=Invoice  purpose=list  id=-  action=root
             ..ExamConfig::default()
         };
         let triples = vec![
-            Triple::new("app:Root", Predicate::SurfacesConcept, "root_c", Provenance::Authoritative),
-            Triple::new("app:Mid", Predicate::SurfacesConcept, "mid_c", Provenance::Authoritative),
-            Triple::new("app:Leaf", Predicate::SurfacesConcept, "leaf_c", Provenance::Authoritative),
-            Triple::new("app:Mid", Predicate::PartOf, "app:Root", Provenance::Inferred),
-            Triple::new("app:Leaf", Predicate::PartOf, "app:Mid", Provenance::Inferred),
+            Triple::new(
+                "app:Root",
+                Predicate::SurfacesConcept,
+                "root_c",
+                Provenance::Authoritative,
+            ),
+            Triple::new(
+                "app:Mid",
+                Predicate::SurfacesConcept,
+                "mid_c",
+                Provenance::Authoritative,
+            ),
+            Triple::new(
+                "app:Leaf",
+                Predicate::SurfacesConcept,
+                "leaf_c",
+                Provenance::Authoritative,
+            ),
+            Triple::new(
+                "app:Mid",
+                Predicate::PartOf,
+                "app:Root",
+                Provenance::Inferred,
+            ),
+            Triple::new(
+                "app:Leaf",
+                Predicate::PartOf,
+                "app:Mid",
+                Provenance::Inferred,
+            ),
             Triple::new("app:Leaf", Predicate::Purpose, "form", Provenance::Inferred),
         ];
         let digest = build_nav_digest(&triples, &config);
         // Leaf's location is the full ancestor classid path, root-first.
         assert!(
-            digest.contains("Leaf  loc=0x0900/0x0910/0x0911  purpose=form  id=0x0911  action=navigate"),
+            digest.contains(
+                "Leaf  loc=0x0900/0x0910/0x0911  purpose=form  id=0x0911  action=navigate"
+            ),
             "leaf must lower to the pure radix path 0x0900/0x0910/0x0911:\n{digest}"
         );
         // Root: parentless, has no out-edge here, so it is a leaf node with its
@@ -727,8 +762,18 @@ Invoice  loc=Invoice  purpose=list  id=-  action=root
     #[test]
     fn menu_quad_conflicting_part_of_is_order_independent() {
         let mut triples = vec![
-            Triple::new("app:Leaf", Predicate::PartOf, "app:Zparent", Provenance::Inferred),
-            Triple::new("app:Leaf", Predicate::PartOf, "app:Aparent", Provenance::Inferred),
+            Triple::new(
+                "app:Leaf",
+                Predicate::PartOf,
+                "app:Zparent",
+                Provenance::Inferred,
+            ),
+            Triple::new(
+                "app:Leaf",
+                Predicate::PartOf,
+                "app:Aparent",
+                Provenance::Inferred,
+            ),
         ];
         let forward = build_nav_digest(&triples, &config());
         triples.reverse();
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
index 4933b3ba170755..72436043232cab 100644
--- a/rust-toolchain.toml
+++ b/rust-toolchain.toml
@@ -1,2 +1,2 @@
 [toolchain]
-channel = "1.95"
+channel = "1.97.1"