refactor: streamline buffer configuration handling across modules

Author: lxsaah

aimdb-core/src/ext_macros.rs

@@ -116,18 +116,11 @@ macro_rules! impl_record_registrar_ext {
             ) -> &'a mut $crate::RecordRegistrar<'a, T, $runtime> {
                 use $crate::buffer::Buffer;
 
-                #[cfg(feature = "std")]
-                {
-                    let buffer = Box::new($buffer_new(&cfg));
-                    self.buffer_with_cfg(buffer, cfg)
-                }
-
-                #[cfg(not(feature = "std"))]
-                {
-                    extern crate alloc;
-                    let buffer = alloc::boxed::Box::new($buffer_new(&cfg));
-                    self.buffer_raw(buffer)
-                }
+                extern crate alloc;
+                let buffer = alloc::boxed::Box::new($buffer_new(&cfg));
+                // Record the cfg so buffer_info() reports the real buffer
+                // type/capacity for the dependency graph (std and no_std).
+                self.buffer_with_cfg(buffer, cfg)
             }
 
             fn source<F, Fut>(
@@ -250,18 +243,11 @@ macro_rules! impl_record_registrar_ext {
             ) -> &'a mut $crate::RecordRegistrar<'a, T, $runtime> {
                 use $crate::buffer::Buffer;
 
-                #[cfg(feature = "std")]
-                {
-                    let buffer = Box::new($buffer_new(&cfg));
-                    self.buffer_with_cfg(buffer, cfg)
-                }
-
-                #[cfg(not(feature = "std"))]
-                {
-                    extern crate alloc;
-                    let buffer = alloc::boxed::Box::new($buffer_new(&cfg));
-                    self.buffer_raw(buffer)
-                }
+                extern crate alloc;
+                let buffer = alloc::boxed::Box::new($buffer_new(&cfg));
+                // Record the cfg so buffer_info() reports the real buffer
+                // type/capacity for the dependency graph (std and no_std).
+                self.buffer_with_cfg(buffer, cfg)
             }
 
             fn source<F, Fut>(

aimdb-core/src/typed_api.rs

@@ -470,8 +470,7 @@ where
         self
     }
 
-    /// Configures a buffer with metadata tracking (std only)
-    #[cfg(feature = "std")]
+    /// Configures a buffer with metadata tracking
     pub fn buffer_with_cfg(
         &'a mut self,
         buffer: Box<dyn crate::buffer::DynBuffer<T>>,
@@ -482,8 +481,7 @@ where
         self
     }
 
-    /// Sets the buffer configuration for metadata tracking (std only)
-    #[cfg(feature = "std")]
+    /// Sets the buffer configuration for metadata tracking
     pub fn buffer_cfg(&'a mut self, cfg: crate::buffer::BufferCfg) -> &'a mut Self {
         self.rec.set_buffer_cfg(cfg);
         self