Remove embedded opengraph fallback asset

Amp-Thread-ID: https://ampcode.com/threads/T-019ce7d9-9919-731b-9304-01df20592607

Author: antidmg

crates/statespace-server/src/server.rs

@@ -2,7 +2,7 @@
 
 use crate::content::{ContentResolver, LocalContentResolver};
 use crate::error::ErrorExt;
-use crate::templates::{FAVICON_SVG, OPENGRAPH_PNG};
+use crate::templates::FAVICON_SVG;
 use axum::{
     Json, Router,
     extract::{Path, Query, State},
@@ -179,12 +179,15 @@ async fn favicon_handler(State(state): State<ServerState>) -> Response {
 }
 
 async fn opengraph_handler(State(state): State<ServerState>) -> Response {
-    let bytes = match fs::read(state.content_root.join("opengraph.png")).await {
-        Ok(custom) => custom,
-        Err(_) => OPENGRAPH_PNG.to_vec(),
-    };
-
-    (StatusCode::OK, [(header::CONTENT_TYPE, "image/png")], bytes).into_response()
+    match fs::read(state.content_root.join("opengraph.png")).await {
+        Ok(custom) => (
+            StatusCode::OK,
+            [(header::CONTENT_TYPE, "image/png")],
+            custom,
+        )
+            .into_response(),
+        Err(_) => StatusCode::NOT_FOUND.into_response(),
+    }
 }
 
 async fn file_handler(

crates/statespace-server/src/templates.rs

@@ -1,5 +1,5 @@
-//! Embedded templates (AGENTS.md, favicon.svg, opengraph.png).
+//! Embedded templates (AGENTS.md, favicon.svg).
 //!
 //! Re-exported from the shared `statespace-templates` crate.
 
-pub use statespace_templates::{AGENTS_MD, FAVICON_SVG, OPENGRAPH_PNG};
+pub use statespace_templates::{AGENTS_MD, FAVICON_SVG};

crates/statespace-templates/src/lib.rs

@@ -6,8 +6,6 @@ pub const README_MD: &str = include_str!("README.md");
 
 pub const FAVICON_SVG: &str = include_str!("favicon.svg");
 
-pub const OPENGRAPH_PNG: &[u8] = include_bytes!("opengraph.png");
-
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -23,9 +21,4 @@ mod tests {
         assert!(FAVICON_SVG.starts_with("<?xml"));
         assert!(FAVICON_SVG.contains("<svg"));
     }
-
-    #[test]
-    fn opengraph_is_valid_png() {
-        assert!(OPENGRAPH_PNG.starts_with(&[0x89, b'P', b'N', b'G', 0x0D, 0x0A, 0x1A, 0x0A]));
-    }
 }