fix: add --all to cargo fmt in script/test and autoformat codebase

cargo fmt without --all fails with "Failed to find targets" in
workspace repos. This was blocking every story's gates. Also ran
cargo fmt --all to fix all existing formatting issues.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

server/src/http/mod.rs

@@ -2,8 +2,6 @@
 pub mod agents;
 pub mod agents_sse;
 pub mod anthropic;
-#[cfg(test)]
-pub(crate) mod test_helpers;
 pub mod assets;
 pub mod bot_command;
 pub mod chat;
@@ -14,6 +12,8 @@ pub mod mcp;
 pub mod model;
 pub mod oauth;
 pub mod settings;
+#[cfg(test)]
+pub(crate) mod test_helpers;
 pub mod workflow;
 
 pub mod project;
@@ -95,10 +95,7 @@ pub fn build_routes(
             "/callback",
             get(oauth::oauth_callback).data(oauth_state.clone()),
         )
-        .at(
-            "/oauth/status",
-            get(oauth::oauth_status),
-        )
+        .at("/oauth/status", get(oauth::oauth_status))
         .at("/debug/crdt", get(debug_crdt_handler))
         .at("/assets/*path", get(assets::embedded_asset))
         .at("/", get(assets::embedded_index))