chore(wip): checkpoint P8/C avant chantier Codex inter-agents

Sauvegarde de l'arbre de travail en cours (persistance P8, conversations
C-series, write-portal frontend, médiation d'entrée) avant d'attaquer le
support de la délégation inter-agents pour les profils Codex.

Le round-trip inter-agent question/réponse est couvert sans tokens par
les tests loopback existants (state::mcp_e2e_loopback_tests).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

crates/infrastructure/src/orchestrator/mcp/server.rs

@@ -219,9 +219,7 @@ impl McpServer {
         let name = params
             .get("name")
             .and_then(Value::as_str)
-            .ok_or_else(|| {
-                JsonRpcError::new(error_codes::INVALID_PARAMS, "missing tool `name`")
-            })?
+            .ok_or_else(|| JsonRpcError::new(error_codes::INVALID_PARAMS, "missing tool `name`"))?
             .to_owned();
         let arguments = params.get("arguments").cloned().unwrap_or(json!({}));
 
@@ -238,7 +236,10 @@ impl McpServer {
         match result {
             Ok(outcome) => {
                 // The text the agent sees: the reply for an `ask`, else the detail.
-                let text = outcome.reply.clone().unwrap_or_else(|| outcome.detail.clone());
+                let text = outcome
+                    .reply
+                    .clone()
+                    .unwrap_or_else(|| outcome.detail.clone());
                 Ok(tool_result_text(&text, false))
             }
             // A failed IdeA command is reported as a tool execution error

crates/infrastructure/src/orchestrator/mcp/tools.rs

@@ -242,9 +242,8 @@ pub fn map_tool_call(
         .ok_or_else(|| ToolMapError::BadArguments(name.to_owned()))?;
 
     // Small helpers to pull optional string fields out of the arguments object.
-    let s = |key: &str| -> Option<String> {
-        args.get(key).and_then(Value::as_str).map(str::to_owned)
-    };
+    let s =
+        |key: &str| -> Option<String> { args.get(key).and_then(Value::as_str).map(str::to_owned) };
 
     // Translate the tool into the wire-level request shape the watcher already
     // uses (v2 `type`), then let `validate` enforce the invariants once.
@@ -361,7 +360,9 @@ fn base() -> OrchestratorRequest {
 /// missing its node, with a precise field error).
 fn parse_node_id(value: Option<&Value>) -> Option<domain::NodeId> {
     let raw = value?.as_str()?;
-    uuid::Uuid::parse_str(raw).ok().map(domain::NodeId::from_uuid)
+    uuid::Uuid::parse_str(raw)
+        .ok()
+        .map(domain::NodeId::from_uuid)
 }
 
 #[cfg(test)]
@@ -413,7 +414,9 @@ mod tests {
     fn stop_update_and_skill_map_to_their_commands() {
         assert_eq!(
             map("idea_stop_agent", &json!({ "target": "Dev" })).unwrap(),
-            OrchestratorCommand::StopAgent { name: "Dev".to_owned() }
+            OrchestratorCommand::StopAgent {
+                name: "Dev".to_owned()
+            }
         );
         assert_eq!(
             map(

crates/infrastructure/src/orchestrator/mcp/transport.rs

@@ -108,9 +108,7 @@ impl MemoryTransport {
     /// signal EOF. Returns the transport and a receiver of everything the server
     /// `send`s back.
     #[must_use]
-    pub fn scripted(
-        messages: Vec<Vec<u8>>,
-    ) -> (Self, mpsc::UnboundedReceiver<Vec<u8>>) {
+    pub fn scripted(messages: Vec<Vec<u8>>) -> (Self, mpsc::UnboundedReceiver<Vec<u8>>) {
         let (tx, rx) = mpsc::unbounded_channel();
         (
             Self {