fix(clippy): address Rust 1.97 lints

adapters/fparkan-render-vulkan/src/ffi/smoke.rs

@@ -43,7 +43,7 @@ fn take_runtime_children_with_validation_snapshot<
     surface: &mut Option<Surface>,
     device: &mut Option<Device>,
     swapchain: &mut Option<Swapchain>,
-    validation: &Option<Validation>,
+    validation: Option<&Validation>,
     capture: Capture,
 ) -> Option<Snapshot>
 where
@@ -52,7 +52,7 @@ where
     swapchain.take();
     device.take();
     surface.take();
-    validation.as_ref().map(capture)
+    validation.map(capture)
 }
 
 struct RollbackOnDrop<T, F>
@@ -672,7 +672,7 @@ impl VulkanSmokeRenderer {
             &mut self.surface,
             &mut self.device,
             &mut self.swapchain,
-            &self.validation,
+            self.validation.as_ref(),
             VulkanValidationMessenger::report,
         )
         .unwrap_or_default();
@@ -695,7 +695,7 @@ impl VulkanSmokeRenderer {
             &mut self.surface,
             &mut self.device,
             &mut self.swapchain,
-            &self.validation,
+            self.validation.as_ref(),
             VulkanValidationMessenger::report,
         );
         self.validation.take();
@@ -864,7 +864,7 @@ mod tests {
             &mut surface,
             &mut device,
             &mut swapchain,
-            &validation,
+            validation.as_ref(),
             |_| {
                 log.borrow_mut().push(TeardownStep::Snapshot);
                 TeardownStep::Validation

adapters/fparkan-render-vulkan/src/planning_backend.rs

@@ -10,9 +10,10 @@ use crate::{
 };
 
 /// Vulkan backend migration readiness.
-#[derive(Clone, Copy, Debug, Eq, PartialEq)]
+#[derive(Clone, Copy, Debug, Default, Eq, PartialEq)]
 pub enum VulkanPlanningBackendState {
     /// Planning facade is configured and able to accept command lists.
+    #[default]
     Configured,
     /// Adapter is tracking a recoverable runtime surface/depth pipeline fault.
     Degraded,
@@ -20,12 +21,6 @@ pub enum VulkanPlanningBackendState {
     Error,
 }
 
-impl Default for VulkanPlanningBackendState {
-    fn default() -> Self {
-        Self::Configured
-    }
-}
-
 /// Diagnostics for planning-facade request tracking.
 #[derive(Clone, Debug, PartialEq)]
 pub struct VulkanPlanningRequestReport {

crates/fparkan-animation/src/lib.rs

@@ -4,7 +4,6 @@
     allow(
         clippy::cast_possible_truncation,
         clippy::cast_possible_wrap,
-        clippy::cast_precision_loss,
         clippy::expect_used,
         clippy::float_cmp,
         clippy::identity_op,

crates/fparkan-inspection/src/lib.rs

@@ -146,6 +146,8 @@ pub fn inspect_archive_file(path: &Path, sample_limit: usize) -> Result<ArchiveI
 /// # Errors
 ///
 /// Returns a [`Diagnostic`] when the archive cannot be read or decoded.
+// Diagnostic is deliberately returned by value as the public structured-error contract.
+#[allow(clippy::result_large_err)]
 pub fn inspect_archive_file_diagnostic(
     path: &Path,
     sample_limit: usize,
@@ -206,6 +208,8 @@ pub fn inspect_archive_file_diagnostic(
 }
 
 /// Inspects archive bytes and returns a typed summary.
+// Keeps the internal diagnostic flow aligned with the public structured-error contract.
+#[allow(clippy::result_large_err)]
 fn inspect_archive_bytes(
     bytes: &[u8],
     sample_limit: usize,
@@ -371,6 +375,8 @@ fn inspect_land_map(document: &NresDocument) -> Result<MapInspection, String> {
     })
 }
 
+// Preserves the shared structured-error type without changing callers to boxed errors.
+#[allow(clippy::result_large_err)]
 fn read_resource_bytes_diagnostic(
     root: &Path,
     archive: &str,
@@ -438,6 +444,8 @@ fn read_resource_bytes_diagnostic(
     Ok(Arc::from(bytes.into_owned()))
 }
 
+// Preserves the shared structured-error type without changing callers to boxed errors.
+#[allow(clippy::result_large_err)]
 fn load_model_document_from_root_diagnostic(
     root: &Path,
     archive: &str,

crates/fparkan-nres/src/lib.rs

@@ -1270,7 +1270,7 @@ mod tests {
             Err(NresError::Binary(DecodeError::LimitExceeded {
                 count,
                 limit
-            })) if count == i32::MAX as u64 && limit == DecodeLimits::default().max_entries as u64
+            })) if count == i32::MAX as u64 && limit == u64::from(DecodeLimits::default().max_entries)
         ));
     }
 

crates/fparkan-resource/src/lib.rs

@@ -412,17 +412,21 @@ impl CachedResourceRepository {
     /// Creates a cached repository with a decoded payload entry budget.
     #[must_use]
     pub fn with_payload_cache_budget(vfs: Arc<dyn Vfs>, max_payload_entries: usize) -> Self {
-        let mut limits = RepositoryLimits::default();
-        limits.max_decoded_payload_entries = max_payload_entries;
+        let limits = RepositoryLimits {
+            max_decoded_payload_entries: max_payload_entries,
+            ..RepositoryLimits::default()
+        };
         Self::with_limits(vfs, limits)
     }
 
     /// Creates a cached repository with decoded payload entry and byte budgets.
     #[must_use]
     pub fn with_payload_cache_limits(vfs: Arc<dyn Vfs>, limits: PayloadCacheLimits) -> Self {
-        let mut repository_limits = RepositoryLimits::default();
-        repository_limits.max_decoded_payload_entries = limits.max_entries;
-        repository_limits.max_decoded_payload_bytes = limits.max_bytes;
+        let repository_limits = RepositoryLimits {
+            max_decoded_payload_entries: limits.max_entries,
+            max_decoded_payload_bytes: limits.max_bytes,
+            ..RepositoryLimits::default()
+        };
         Self::with_limits(vfs, repository_limits)
     }
 
@@ -482,11 +486,11 @@ impl ResourceRepository for CachedResourceRepository {
                 }
                 let current_generation = current.generation;
                 let current_fingerprint = current.fingerprint;
-                if current_fingerprint != observed_fingerprint {
+                if current_fingerprint == observed_fingerprint {
+                    slot.generation = current_generation;
+                } else {
                     slot.generation = current_generation.saturating_add(1);
                     state.payload_cache.remove_archive(id);
-                } else {
-                    slot.generation = current_generation;
                 }
                 state.unload_archive(id)?;
                 *state.archive_mut(id)? = slot;

crates/fparkan-vfs/src/lib.rs

@@ -122,7 +122,7 @@ impl DirectoryVfs {
         resolve_casefolded(&self.root, path)
     }
 
-    fn metadata_from_host_file(&self, path: &Path) -> Result<VfsMetadata, VfsError> {
+    fn metadata_from_host_file(path: &Path) -> Result<VfsMetadata, VfsError> {
         let metadata = fs::symlink_metadata(path).map_err(VfsError::Io)?;
         metadata_from_host_file(path, &metadata)
     }
@@ -130,7 +130,7 @@ impl DirectoryVfs {
 
 impl Vfs for DirectoryVfs {
     fn metadata(&self, path: &NormalizedPath) -> Result<VfsMetadata, VfsError> {
-        self.metadata_from_host_file(&self.host_path(path)?)
+        Self::metadata_from_host_file(&self.host_path(path)?)
     }
 
     fn read(&self, path: &NormalizedPath) -> Result<Arc<[u8]>, VfsError> {

crates/fparkan-world/src/lib.rs

@@ -1053,7 +1053,7 @@ mod tests {
                 handles.push(handle);
             }
             for (index, handle) in handles.iter().copied().enumerate() {
-                if (seed as usize + index) % 3 == 0 {
+                if (seed as usize + index).is_multiple_of(3) {
                     request_delete(&mut world, handle).expect("delete");
                 } else {
                     enqueue(