From e0513100765c5097924ae015cf4cc11d5bfaf7f9 Mon Sep 17 00:00:00 2001
From: Codex <codex@openai.com>
Date: Tue, 28 Jul 2026 13:17:49 +0800
Subject: [PATCH] fix(engine): hide NPC-only promises from PlayerView

---
 crates/nana-engine/src/projection.rs | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/crates/nana-engine/src/projection.rs b/crates/nana-engine/src/projection.rs
index 2311425..edce0a9 100644
--- a/crates/nana-engine/src/projection.rs
+++ b/crates/nana-engine/src/projection.rs
@@ -74,7 +74,11 @@ pub fn project_player_view(
     let promises = state
         .promises
         .iter()
-        .filter(|promise| is_visible_promise_status(promise.status))
+        .filter(|promise| {
+            is_visible_promise_status(promise.status)
+                && (promise.promiser == context.player_id
+                    || promise.promisee == context.player_id)
+        })
         .map(|promise| PlayerPromiseView {
             id: promise.id.clone(),
             content: promise.content.clone(),
@@ -406,7 +410,8 @@ mod tests {
     }
 
     #[test]
-    fn promises_hide_proposals_and_include_accepted_and_terminal_states() {
+    fn promises_only_show_player_involved_accepted_and_terminal_states() {
+        const NPC_PROMISE_CANARY: &str = "NPC_ONLY_ACCEPTED_PROMISE_CANARY";
         let statuses = [
             PromiseStatus::Proposed,
             PromiseStatus::Accepted,
@@ -421,11 +426,23 @@ mod tests {
             .enumerate()
             .map(|(index, status)| promise(&format!("promise_{index}"), status))
             .collect();
+        original.promises.push(Promise {
+            id: "npc_only".to_owned(),
+            promiser: "nana".to_owned(),
+            promisee: "sister".to_owned(),
+            content: NPC_PROMISE_CANARY.to_owned(),
+            status: PromiseStatus::Accepted,
+            weight: PromiseWeight::Major,
+            created_at: "node_001".to_owned(),
+            accepted_at: Some("node_002".to_owned()),
+            resolved_at: None,
+        });
 
         let view =
             project_player_view(&original, &context(&[], &[], &[], &[]));
 
         assert_eq!(view.promises.len(), 5);
+        assert!(!format!("{view:?}").contains(NPC_PROMISE_CANARY));
         assert!(
             view.promises
                 .iter()