chore: cargo fmt — fix lint 'Format' CI job (red since v0.2.3)

Whole-repo rustfmt drift; behaviour unchanged (whitespace/layout only).
All test platforms already passed; this greens the lint job.

src/admin/mod.rs

@@ -169,7 +169,10 @@ pub fn api_routes(admin_token: String) -> Router<SharedState> {
         .route("/admin/api/shadow", get(get_shadow))
         .route("/admin/api/hf/search", get(hf_search))
         .route("/admin/api/import", get(list_imports).post(start_import))
-        .route("/admin/api/import/:job", get(import_status).delete(delete_import))
+        .route(
+            "/admin/api/import/:job",
+            get(import_status).delete(delete_import),
+        )
         .route("/admin/api/import/:job/cancel", post(cancel_import))
         .route("/admin/api/import/:job/register", post(register_import))
         .route("/admin/api/cmf", get(cmf_status))
@@ -736,7 +739,11 @@ async fn cmf_port_check(State(state): State<SharedState>, Query(q): Query<PortQu
         if port_is_free(&host, port) {
             (true, "free", None)
         } else {
-            (false, "occupied by another process", next_free_port(&host, port))
+            (
+                false,
+                "occupied by another process",
+                next_free_port(&host, port),
+            )
         }
     })
     .await
@@ -974,10 +981,7 @@ async fn start_import(
     ok(json!({ "job": id }))
 }
 
-async fn import_status(
+async fn import_status(State(state): State<SharedState>, Path(job): Path<String>) -> ApiResult {
-    State(state): State<SharedState>,
-    Path(job): Path<String>,
-) -> ApiResult {
     match state.imports.get(&job) {
         Some(j) => ok(serde_json::to_value(j).unwrap_or_else(|_| json!({}))),
         None => Err(ApiError::not_found(format!("job '{job}' not found"))),
@@ -985,10 +989,7 @@ async fn import_status(
 }
 
 /// Cancel a running conversion: kills the converter and removes partial output.
-async fn cancel_import(
+async fn cancel_import(State(state): State<SharedState>, Path(job): Path<String>) -> ApiResult {
-    State(state): State<SharedState>,
-    Path(job): Path<String>,
-) -> ApiResult {
     if state.imports.get(&job).is_none() {
         return Err(ApiError::not_found(format!("job '{job}' not found")));
     }
@@ -997,10 +998,7 @@ async fn cancel_import(
 }
 
 /// Delete a finished conversion and its converted `.cmf` file(s) from disk.
-async fn delete_import(
+async fn delete_import(State(state): State<SharedState>, Path(job): Path<String>) -> ApiResult {
-    State(state): State<SharedState>,
-    Path(job): Path<String>,
-) -> ApiResult {
     if state.imports.get(&job).is_none() {
         return Err(ApiError::not_found(format!("job '{job}' not found")));
     }
@@ -1009,10 +1007,7 @@ async fn delete_import(
 }
 
 /// Register a finished `.cmf` as a local model (OpenAI provider → cortiq-server).
-async fn register_import(
+async fn register_import(State(state): State<SharedState>, Path(job): Path<String>) -> ApiResult {
-    State(state): State<SharedState>,
-    Path(job): Path<String>,
-) -> ApiResult {
     let j = state
         .imports
         .get(&job)

src/cmf_runtime.rs

@@ -113,14 +113,15 @@ async fn latest_crates_version() -> Option<String> {
         .await
         .ok()?;
     let v: serde_json::Value = serde_json::from_str(&body).ok()?;
-    v["crate"]["newest_version"]
+    v["crate"]["newest_version"].as_str().map(|s| s.to_string())
-        .as_str()
-        .map(|s| s.to_string())
 }
 
 /// `<bin> --version` → the trailing version token (e.g. "cortiq 0.1.2" → "0.1.2").
 pub(crate) fn installed_version(bin: &str) -> Option<String> {
-    let out = std::process::Command::new(bin).arg("--version").output().ok()?;
+    let out = std::process::Command::new(bin)
+        .arg("--version")
+        .output()
+        .ok()?;
     if !out.status.success() {
         return None;
     }
@@ -130,7 +131,11 @@ pub(crate) fn installed_version(bin: &str) -> Option<String> {
 
 fn parse_ver(s: &str) -> (u32, u32, u32) {
     let mut it = s.split('.').map(|x| x.trim().parse::<u32>().unwrap_or(0));
-    (it.next().unwrap_or(0), it.next().unwrap_or(0), it.next().unwrap_or(0))
+    (
+        it.next().unwrap_or(0),
+        it.next().unwrap_or(0),
+        it.next().unwrap_or(0),
+    )
 }
 
 fn version_lt(a: &str, b: &str) -> bool {
@@ -161,7 +166,10 @@ pub async fn install_now(rt: Arc<CmfRuntime>, bin: String) {
         Ok(()) => {
             let v = installed_version(&bin);
             rt.status.lock().unwrap().installed_version = v.clone();
-            rt.log(format!("installed cortiq-cli {}", v.as_deref().unwrap_or("?")));
+            rt.log(format!(
+                "installed cortiq-cli {}",
+                v.as_deref().unwrap_or("?")
+            ));
         }
         Err(e) => rt.fail(format!("cargo install cortiq-cli failed: {e}")),
     }
@@ -245,7 +253,9 @@ pub async fn manage(rt: Arc<CmfRuntime>, cfg: CmfCfg) {
                 rt.log("installed cortiq-cli");
             }
         } else {
-            rt.fail("cortiq binary not found (set [cmf].auto_install = true, or install cortiq-cli)");
+            rt.fail(
+                "cortiq binary not found (set [cmf].auto_install = true, or install cortiq-cli)",
+            );
             return;
         }
     }
@@ -255,8 +265,15 @@ pub async fn manage(rt: Arc<CmfRuntime>, cfg: CmfCfg) {
     if cfg.auto_update {
         if let Some(latest) = latest_crates_version().await {
             rt.status.lock().unwrap().latest_version = Some(latest.clone());
-            if ver.as_deref().map(|c| version_lt(c, &latest)).unwrap_or(false) {
+            if ver
-                rt.log(format!("updating cortiq-cli {} → {latest}…", ver.as_deref().unwrap_or("?")));
+                .as_deref()
+                .map(|c| version_lt(c, &latest))
+                .unwrap_or(false)
+            {
+                rt.log(format!(
+                    "updating cortiq-cli {} → {latest}…",
+                    ver.as_deref().unwrap_or("?")
+                ));
                 if let Err(e) = cargo_install(true).await {
                     rt.log(format!("update failed (keeping current): {e}"));
                 } else {

src/config.rs

@@ -10,10 +10,18 @@ use std::path::PathBuf;
 /// `~/.cortiq-gateway` — so defaults work regardless of the process CWD
 /// (important once the gateway is installed rather than run from its repo).
 pub fn data_dir() -> PathBuf {
-    for (var, sub) in [("CORTIQ_GATEWAY_HOME", ""), ("XDG_DATA_HOME", "cortiq-gateway"), ("HOME", ".cortiq-gateway")] {
+    for (var, sub) in [
+        ("CORTIQ_GATEWAY_HOME", ""),
+        ("XDG_DATA_HOME", "cortiq-gateway"),
+        ("HOME", ".cortiq-gateway"),
+    ] {
         if let Ok(v) = std::env::var(var) {
             if !v.is_empty() {
-                return if sub.is_empty() { PathBuf::from(v) } else { PathBuf::from(v).join(sub) };
+                return if sub.is_empty() {
+                    PathBuf::from(v)
+                } else {
+                    PathBuf::from(v).join(sub)
+                };
             }
         }
     }

src/import.rs

@@ -31,13 +31,19 @@ fn cleanup_output(path: &str) {
 }
 
 fn now() -> u64 {
-    SystemTime::now().duration_since(UNIX_EPOCH).unwrap_or_default().as_secs()
+    SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .unwrap_or_default()
+        .as_secs()
 }
 
 /// Job id from a hash of (repo, nanos) — unique without a uuid dependency.
 fn gen_id(repo: &str) -> String {
     use std::hash::{Hash, Hasher};
-    let nanos = SystemTime::now().duration_since(UNIX_EPOCH).unwrap_or_default().as_nanos();
+    let nanos = SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .unwrap_or_default()
+        .as_nanos();
     let mut h = std::collections::hash_map::DefaultHasher::new();
     repo.hash(&mut h);
     nanos.hash(&mut h);
@@ -82,8 +88,8 @@ pub struct Job {
     pub started: u64,
     pub finished: Option<u64>,
     pub size_bytes: Option<u64>,
-    pub progress: Option<f32>,  // 0..1, parsed from converter @PROGRESS
+    pub progress: Option<f32>, // 0..1, parsed from converter @PROGRESS
-    pub phase: Option<String>,  // current phase label
+    pub phase: Option<String>, // current phase label
 }
 
 #[derive(Default)]
@@ -185,9 +191,17 @@ impl JobStore {
 }
 
 /// Proxy HuggingFace model search (avoids browser CORS + adds our token).
-pub async fn hf_search(query: &str, limit: usize, token: Option<&str>) -> Result<serde_json::Value, String> {
+pub async fn hf_search(
+    query: &str,
+    limit: usize,
+    token: Option<&str>,
+) -> Result<serde_json::Value, String> {
     let q: String = url_escape(query);
-    let sort = if query.trim().is_empty() { "trendingScore" } else { "downloads" };
+    let sort = if query.trim().is_empty() {
+        "trendingScore"
+    } else {
+        "downloads"
+    };
     let url = format!(
         "https://huggingface.co/api/models?search={q}&sort={sort}&direction=-1&limit={limit}&full=false"
     );
@@ -218,7 +232,13 @@ fn url_escape(s: &str) -> String {
 
 fn sanitize(s: &str) -> String {
     s.chars()
-        .map(|c| if c.is_ascii_alphanumeric() || c == '-' || c == '_' { c } else { '-' })
+        .map(|c| {
+            if c.is_ascii_alphanumeric() || c == '-' || c == '_' {
+                c
+            } else {
+                '-'
+            }
+        })
         .collect()
 }
 
@@ -244,7 +264,10 @@ pub fn start_import(store: Arc<JobStore>, cfg: &CmfCfg, p: ImportParams) -> Resu
     // doesn't support yet (linear-attention folding, v-bit shaping).
     let use_python = p.linear_core.is_some() || p.vbit_shape.is_some() || p.mean_bits.is_some();
     if use_python && !std::path::Path::new(&cfg.converter).exists() {
-        return Err(format!("advanced options need the Python converter, not found: {}", cfg.converter));
+        return Err(format!(
+            "advanced options need the Python converter, not found: {}",
+            cfg.converter
+        ));
     }
     let _ = std::fs::create_dir_all(&cfg.models_dir);
     let base = if p.name.trim().is_empty() {
@@ -288,18 +311,43 @@ pub fn start_import(store: Arc<JobStore>, cfg: &CmfCfg, p: ImportParams) -> Resu
     let (program, args, workdir): (String, Vec<String>, std::path::PathBuf) = if use_python {
         let conv = std::path::Path::new(&cfg.converter);
         let mut a = vec![
-            std::fs::canonicalize(conv).map(|p| p.to_string_lossy().to_string()).unwrap_or_else(|_| cfg.converter.clone()),
+            std::fs::canonicalize(conv)
-            "--model".into(), p.repo.clone(),
+                .map(|p| p.to_string_lossy().to_string())
-            "--quant".into(), p.quant.clone(),
+                .unwrap_or_else(|_| cfg.converter.clone()),
-            "--output".into(), output_abs.clone(),
+            "--model".into(),
+            p.repo.clone(),
+            "--quant".into(),
+            p.quant.clone(),
+            "--output".into(),
+            output_abs.clone(),
         ];
-        if let Some(lc) = &p.linear_core { a.push("--linear-core".into()); a.push(lc.clone()); }
+        if let Some(lc) = &p.linear_core {
-        if let Some(n) = p.nphase { a.push("--nphase".into()); a.push(n.to_string()); }
+            a.push("--linear-core".into());
-        if let Some(vs) = &p.vbit_shape { a.push("--vbit-shape".into()); a.push(vs.clone()); }
+            a.push(lc.clone());
-        if let Some(mb) = p.mean_bits { a.push("--mean-bits".into()); a.push(mb.to_string()); }
+        }
-        if let Some(g) = p.shard_max_gb { a.push("--shard-max-gb".into()); a.push(g.to_string()); }
+        if let Some(n) = p.nphase {
-        if p.skip_mtp { a.push("--skip-mtp".into()); }
+            a.push("--nphase".into());
-        let wd = conv.parent().map(|d| d.to_path_buf()).unwrap_or_else(|| std::path::PathBuf::from("."));
+            a.push(n.to_string());
+        }
+        if let Some(vs) = &p.vbit_shape {
+            a.push("--vbit-shape".into());
+            a.push(vs.clone());
+        }
+        if let Some(mb) = p.mean_bits {
+            a.push("--mean-bits".into());
+            a.push(mb.to_string());
+        }
+        if let Some(g) = p.shard_max_gb {
+            a.push("--shard-max-gb".into());
+            a.push(g.to_string());
+        }
+        if p.skip_mtp {
+            a.push("--skip-mtp".into());
+        }
+        let wd = conv
+            .parent()
+            .map(|d| d.to_path_buf())
+            .unwrap_or_else(|| std::path::PathBuf::from("."));
         (cfg.python_bin.clone(), a, wd)
     } else if p.repo.to_ascii_lowercase().contains("gguf") {
         // GGUF repo → native `cortiq import-gguf` (downloads + dequantizes any
@@ -307,21 +355,40 @@ pub fn start_import(store: Arc<JobStore>, cfg: &CmfCfg, p: ImportParams) -> Resu
         let mut a = vec![
             "import-gguf".into(),
             p.repo.clone(),
-            "--quant".into(), map_quant(&p.quant).into(),
+            "--quant".into(),
-            "--output".into(), output_abs.clone(),
+            map_quant(&p.quant).into(),
+            "--output".into(),
+            output_abs.clone(),
         ];
-        if let Some(t) = &hf_token { a.push("--hf-token".into()); a.push(t.clone()); }
+        if let Some(t) = &hf_token {
-        (cfg.cortiq_bin.clone(), a, std::env::current_dir().unwrap_or_else(|_| std::path::PathBuf::from(".")))
+            a.push("--hf-token".into());
+            a.push(t.clone());
+        }
+        (
+            cfg.cortiq_bin.clone(),
+            a,
+            std::env::current_dir().unwrap_or_else(|_| std::path::PathBuf::from(".")),
+        )
     } else {
         // safetensors → native `cortiq convert` (dense / MoE / GatedDeltaNet).
         let mut a = vec![
             "convert".into(),
-            "--model".into(), p.repo.clone(),
+            "--model".into(),
-            "--quant".into(), map_quant(&p.quant).into(),
+            p.repo.clone(),
-            "--output".into(), output_abs.clone(),
+            "--quant".into(),
+            map_quant(&p.quant).into(),
+            "--output".into(),
+            output_abs.clone(),
         ];
-        if let Some(t) = &hf_token { a.push("--hf-token".into()); a.push(t.clone()); }
+        if let Some(t) = &hf_token {
-        (cfg.cortiq_bin.clone(), a, std::env::current_dir().unwrap_or_else(|_| std::path::PathBuf::from(".")))
+            a.push("--hf-token".into());
+            a.push(t.clone());
+        }
+        (
+            cfg.cortiq_bin.clone(),
+            a,
+            std::env::current_dir().unwrap_or_else(|_| std::path::PathBuf::from(".")),
+        )
     };
 
     let ret_id = id.clone();

src/pipeline.rs

@@ -208,15 +208,25 @@ impl Pipeline {
         };
 
         let (decision, route_source, candidates) = if live.cfg.cmf.local_only {
-            (mk("local-only", "local"), "local".to_string(), live.local_candidates())
+            (
+                mk("local-only", "local"),
+                "local".to_string(),
+                live.local_candidates(),
+            )
         } else {
             match &req.routing {
-                RoutingDirective::Pinned { model_id } => {
+                RoutingDirective::Pinned { model_id } => (
-                    (mk("pinned", "pinned"), "pinned".to_string(), vec![model_id.clone()])
+                    mk("pinned", "pinned"),
-                }
+                    "pinned".to_string(),
+                    vec![model_id.clone()],
+                ),
                 RoutingDirective::Auto { profile } => {
                     if !live.cfg.router.enabled {
-                        (mk("router-disabled", "local"), "local".to_string(), live.local_candidates())
+                        (
+                            mk("router-disabled", "local"),
+                            "local".to_string(),
+                            live.local_candidates(),
+                        )
                     } else {
                         let prof = profile.as_deref().unwrap_or(&live.cfg.route.profile);
                         match live.router.route(&text, prof).await {
@@ -229,7 +239,11 @@ impl Pipeline {
                                 tracing::warn!(
                                     "Router is unavailable. Gracefully degrading to the local/default model."
                                 );
-                                (mk("degraded", "fallback"), "fallback".to_string(), live.local_candidates())
+                                (
+                                    mk("degraded", "fallback"),
+                                    "fallback".to_string(),
+                                    live.local_candidates(),
+                                )
                             }
                         }
                     }
@@ -289,7 +303,10 @@ impl Pipeline {
             && !sh.local_model_id.is_empty()
             && matches!(req.routing, RoutingDirective::Auto { .. })
             && state.promotion.serves_local(&decision.task_label)
-            && !matches!(decision.complexity_tier.as_str(), "high" | "hard" | "complex")
+            && !matches!(
+                decision.complexity_tier.as_str(),
+                "high" | "hard" | "complex"
+            )
             && !final_candidates.iter().any(|m| m == &sh.local_model_id)
         {
             final_candidates.insert(0, sh.local_model_id.clone());
@@ -747,7 +764,10 @@ async fn shadow_capture(
     };
 
     // 1. Local answer (free, CPU).
-    let a_local = match local.chat(shadow_req(&cfg.local_model_id, clip(&prompt, 4000), 512)).await {
+    let a_local = match local
+        .chat(shadow_req(&cfg.local_model_id, clip(&prompt, 4000), 512))
+        .await
+    {
         Ok(r) => r
             .choices
             .into_iter()

src/promotion.rs

@@ -18,7 +18,10 @@ use std::sync::Mutex;
 use std::time::{SystemTime, UNIX_EPOCH};
 
 fn now_secs() -> u64 {
-    SystemTime::now().duration_since(UNIX_EPOCH).unwrap_or_default().as_secs()
+    SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .unwrap_or_default()
+        .as_secs()
 }
 
 /// One judgment of a local answer (JSONL line, replayed on startup).
@@ -62,14 +65,14 @@ pub enum PromotionState {
 #[derive(Clone, Debug)]
 pub struct PromotionCfg {
     pub enabled: bool,
-    pub window: usize,       // rolling judgments per label (W)
+    pub window: usize,        // rolling judgments per label (W)
-    pub n_min: usize,        // min judgments before promotion is even considered
+    pub n_min: usize,         // min judgments before promotion is even considered
-    pub promote_lb: f64,     // Wilson-95 LB of pass must clear this
+    pub promote_lb: f64,      // Wilson-95 LB of pass must clear this
-    pub demote_pass: f64,    // point pass-rate below this → demote a served label
+    pub demote_pass: f64,     // point pass-rate below this → demote a served label
-    pub hardfail_ub_max: f64,// Wilson-95 UPPER bound of hard_fail must stay under this
+    pub hardfail_ub_max: f64, // Wilson-95 UPPER bound of hard_fail must stay under this
-    pub soak: usize,         // extra Canary judgments before LocalServed
+    pub soak: usize,          // extra Canary judgments before LocalServed
-    pub z: f64,              // 1.96 = 95%
+    pub z: f64,               // 1.96 = 95%
-    pub file: Option<String>,// judge.jsonl path (append + replay)
+    pub file: Option<String>, // judge.jsonl path (append + replay)
 }
 
 impl Default for PromotionCfg {
@@ -92,7 +95,7 @@ struct LabelState {
     passes: VecDeque<bool>,     // rolling window of pass/fail
     hard_fails: VecDeque<bool>, // rolling window of hard_fail flags
     state: PromotionState,
-    soaked: usize,              // judgments accumulated while in Canary
+    soaked: usize, // judgments accumulated while in Canary
 }
 
 impl LabelState {
@@ -124,20 +127,29 @@ pub fn wilson_bound(s: usize, n: usize, z: f64, upper: bool) -> f64 {
     let denom = 1.0 + z2 / n;
     let centre = p + z2 / (2.0 * n);
     let margin = z * ((p * (1.0 - p) / n) + z2 / (4.0 * n * n)).sqrt();
-    let v = if upper { centre + margin } else { centre - margin };
+    let v = if upper {
+        centre + margin
+    } else {
+        centre - margin
+    };
     (v / denom).clamp(0.0, 1.0)
 }
 
 impl Promotion {
     pub fn new(cfg: PromotionCfg) -> std::sync::Arc<Self> {
-        let p = std::sync::Arc::new(Self { cfg, labels: Mutex::new(HashMap::new()) });
+        let p = std::sync::Arc::new(Self {
+            cfg,
+            labels: Mutex::new(HashMap::new()),
+        });
         p.replay();
         p
     }
 
     fn replay(&self) {
         let Some(path) = &self.cfg.file else { return };
-        let Ok(content) = std::fs::read_to_string(path) else { return };
+        let Ok(content) = std::fs::read_to_string(path) else {
+            return;
+        };
         for line in content.lines() {
             if let Ok(rec) = serde_json::from_str::<JudgeRecord>(line) {
                 self.apply(&rec);
@@ -151,8 +163,10 @@ impl Promotion {
         let st = self.apply(&rec);
         if let Some(path) = &self.cfg.file {
             if let Ok(line) = serde_json::to_string(&rec) {
-                if let Ok(mut f) =
+                if let Ok(mut f) = std::fs::OpenOptions::new()
-                    std::fs::OpenOptions::new().create(true).append(true).open(path)
+                    .create(true)
+                    .append(true)
+                    .open(path)
                 {
                     let _ = writeln!(f, "{line}");
                 }
@@ -163,7 +177,9 @@ impl Promotion {
 
     fn apply(&self, rec: &JudgeRecord) -> PromotionState {
         let mut map = self.labels.lock().unwrap();
-        let ls = map.entry(rec.task_label.clone()).or_insert_with(LabelState::new);
+        let ls = map
+            .entry(rec.task_label.clone())
+            .or_insert_with(LabelState::new);
         push_cap(&mut ls.passes, rec.pass, self.cfg.window);
         push_cap(&mut ls.hard_fails, rec.hard_fail, self.cfg.window);
         self.advance(ls);
@@ -188,7 +204,12 @@ impl Promotion {
 
         ls.state = match ls.state {
             PromotionState::CloudOnly | PromotionState::ShadowJudged => {
-                if bar { ls.soaked = 0; PromotionState::Canary } else { PromotionState::ShadowJudged }
+                if bar {
+                    ls.soaked = 0;
+                    PromotionState::Canary
+                } else {
+                    PromotionState::ShadowJudged
+                }
             }
             PromotionState::Canary => {
                 if regressed {
@@ -203,7 +224,11 @@ impl Promotion {
                 }
             }
             PromotionState::LocalServed => {
-                if regressed { PromotionState::Demoted } else { PromotionState::LocalServed }
+                if regressed {
+                    PromotionState::Demoted
+                } else {
+                    PromotionState::LocalServed
+                }
             }
             // Demoted goes back to SHADOW to re-earn promotion (skill stays in .cmf).
             PromotionState::Demoted => PromotionState::ShadowJudged,
@@ -223,7 +248,10 @@ impl Promotion {
     /// Should a request of this label be SERVED by the local model?
     /// (Canary/LocalServed; caller still applies the per-request veto.)
     pub fn serves_local(&self, label: &str) -> bool {
-        matches!(self.state(label), PromotionState::Canary | PromotionState::LocalServed)
+        matches!(
+            self.state(label),
+            PromotionState::Canary | PromotionState::LocalServed
+        )
     }
 
     /// Snapshot for /admin: (state, n, pass-rate, Wilson-LB) per label.
@@ -235,7 +263,13 @@ impl Promotion {
                 let n = ls.passes.len();
                 let s = ls.passes.iter().filter(|&&p| p).count();
                 let p = if n > 0 { s as f64 / n as f64 } else { 0.0 };
-                (k.clone(), ls.state, n, p, wilson_bound(s, n, self.cfg.z, false))
+                (
+                    k.clone(),
+                    ls.state,
+                    n,
+                    p,
+                    wilson_bound(s, n, self.cfg.z, false),
+                )
             })
             .collect();
         out.sort_by(|a, b| b.2.cmp(&a.2));
@@ -259,12 +293,24 @@ mod tests {
     use super::*;
 
     fn cfg() -> PromotionCfg {
-        PromotionCfg { enabled: true, n_min: 200, soak: 0, ..Default::default() }
+        PromotionCfg {
+            enabled: true,
+            n_min: 200,
+            soak: 0,
+            ..Default::default()
+        }
     }
     fn rec(label: &str, pass: bool, hard_fail: bool) -> JudgeRecord {
         JudgeRecord {
-            ts: 0, task_label: label.into(), pass, hard_fail, score: if pass { 4 } else { 0 },
+            ts: 0,
-            source: "checker".into(), recon_e: None, born_conf: None, judge_tokens: 0,
+            task_label: label.into(),
+            pass,
+            hard_fail,
+            score: if pass { 4 } else { 0 },
+            source: "checker".into(),
+            recon_e: None,
+            born_conf: None,
+            judge_tokens: 0,
         }
     }
 
@@ -316,7 +362,10 @@ mod tests {
             match row {
                 Some((_, st, n, pr, lb)) => println!(
                     "    {label:<12} {:<13} n={n:<4} pass={:.0}% LB={:.3} serves_local={}",
-                    format!("{st:?}"), pr * 100.0, lb, p.serves_local(label)
+                    format!("{st:?}"),
+                    pr * 100.0,
+                    lb,
+                    p.serves_local(label)
                 ),
                 None => println!("    {label:<12} (cloud-only, no judgments)"),
             }
@@ -324,19 +373,29 @@ mod tests {
 
         println!("\n── self-warming loop, live ──");
         // A mature skill (e.g. ru-tech): local answers pass the judge ~99%.
-        println!("  1) SHADOW→CANARY: судим локаль 'ru_tech' (сильный скилл ~99% pass), 210 судейств:");
+        println!(
+            "  1) SHADOW→CANARY: судим локаль 'ru_tech' (сильный скилл ~99% pass), 210 судейств:"
+        );
         for i in 0..210 {
             p.record(rec("ru_tech", i % 100 != 0, false));
         }
         show("ru_tech");
-        assert_eq!(p.state("ru_tech"), PromotionState::Canary, "n≥200 & LB≥0.95 → CANARY");
+        assert_eq!(
+            p.state("ru_tech"),
+            PromotionState::Canary,
+            "n≥200 & LB≥0.95 → CANARY"
+        );
 
         println!("  2) CANARY soak (ещё 60 судейств держат планку) → LOCAL_SERVED:");
         for i in 0..60 {
             p.record(rec("ru_tech", i % 100 != 0, false));
         }
         show("ru_tech");
-        assert_eq!(p.state("ru_tech"), PromotionState::LocalServed, "soak → LOCAL_SERVED");
+        assert_eq!(
+            p.state("ru_tech"),
+            PromotionState::LocalServed,
+            "soak → LOCAL_SERVED"
+        );
         assert!(p.serves_local("ru_tech"), "теперь обслуживается локально");
 
         // The code dataset: local fails the checker → never promotes.
@@ -345,7 +404,11 @@ mod tests {
             p.record(rec("code", false, false));
         }
         show("code");
-        assert_eq!(p.state("code"), PromotionState::ShadowJudged, "остаётся на облаке — безопасно");
+        assert_eq!(
+            p.state("code"),
+            PromotionState::ShadowJudged,
+            "остаётся на облаке — безопасно"
+        );
         assert!(!p.serves_local("code"));
 
         // Drift on the promoted label → auto-demote back to cloud.
@@ -376,6 +439,9 @@ mod tests {
         for _ in 0..300 {
             p2.record(rec("t", false, false)); // quality collapses
         }
-        assert!(matches!(p2.state("t"), PromotionState::Demoted | PromotionState::ShadowJudged));
+        assert!(matches!(
+            p2.state("t"),
+            PromotionState::Demoted | PromotionState::ShadowJudged
+        ));
     }
 }

src/state.rs

@@ -90,7 +90,11 @@ fn promotion_cfg(s: &crate::config::ShadowCfg) -> crate::promotion::PromotionCfg
         n_min: s.n_min,
         promote_lb: s.promote_lb,
         soak: s.soak,
-        file: if s.file.is_empty() { None } else { Some(s.file.clone()) },
+        file: if s.file.is_empty() {
+            None
+        } else {
+            Some(s.file.clone())
+        },
         ..Default::default()
     }
 }