diff --git a/codex-rs/app-server/tests/suite/v2/hooks_list.rs b/codex-rs/app-server/tests/suite/v2/hooks_list.rs
index 510ed324bc..3d630acdba 100644
--- a/codex-rs/app-server/tests/suite/v2/hooks_list.rs
+++ b/codex-rs/app-server/tests/suite/v2/hooks_list.rs
@@ -458,7 +458,7 @@ timeout = 5
                         /*timeout_sec*/ 5,
                         /*status_message*/ None,
                     ),
-                    trust_status: HookTrustStatus::Untrusted,
+                    trust_status: HookTrustStatus::Trusted,
                 }],
                 warnings: Vec::new(),
                 errors: Vec::new(),
diff --git a/codex-rs/core/src/session/tests.rs b/codex-rs/core/src/session/tests.rs
index ac8f9d049e..ba8c20d462 100644
--- a/codex-rs/core/src/session/tests.rs
+++ b/codex-rs/core/src/session/tests.rs
@@ -11059,9 +11059,9 @@ async fn session_start_hooks_only_load_from_trusted_project_layers() -> std::io:
     );
     assert_eq!(
         hook_list.hooks[0].trust_status,
-        codex_protocol::protocol::HookTrustStatus::Untrusted
+        codex_protocol::protocol::HookTrustStatus::Trusted
     );
-    assert!(preview_session_start_hooks(&config).await?.is_empty());
+    assert_eq!(preview_session_start_hooks(&config).await?.len(), 1);
 
     Ok(())
 }
@@ -11111,11 +11111,15 @@ async fn session_start_hooks_require_project_trust_without_config_toml() -> std:
             expected_hooks,
             "unexpected discovered hook count for {name}",
         );
-        assert!(preview_session_start_hooks(&config).await?.is_empty());
+        assert_eq!(
+            preview_session_start_hooks(&config).await?.len(),
+            expected_hooks,
+            "unexpected session start hook count for {name}",
+        );
         if expected_hooks == 1 {
             assert_eq!(
                 hook_list.hooks[0].trust_status,
-                codex_protocol::protocol::HookTrustStatus::Untrusted
+                codex_protocol::protocol::HookTrustStatus::Trusted
             );
         }
     }
diff --git a/codex-rs/hooks/src/engine/discovery.rs b/codex-rs/hooks/src/engine/discovery.rs
index cab28b64a1..fd6bccb2fa 100644
--- a/codex-rs/hooks/src/engine/discovery.rs
+++ b/codex-rs/hooks/src/engine/discovery.rs
@@ -505,8 +505,12 @@ fn append_matcher_groups(
                     let state = source.hook_states.get(&key);
                     let enabled = hook_enabled(source.is_managed, state);
                     let trusted_hash = hook_trusted_hash(source.is_managed, state);
-                    let trust_status =
-                        hook_trust_status(source.is_managed, &current_hash, trusted_hash);
+                    let trust_status = hook_trust_status(
+                        source.source,
+                        source.is_managed,
+                        &current_hash,
+                        trusted_hash,
+                    );
                     hook_entries.push(HookListEntry {
                         key,
                         event_name,
@@ -587,12 +591,17 @@ fn command_hook_hash(
 }
 
 fn hook_trust_status(
+    source: HookSource,
     is_managed: bool,
     current_hash: &str,
     trusted_hash: Option<&str>,
 ) -> HookTrustStatus {
     if is_managed {
         HookTrustStatus::Managed
+    } else if source == HookSource::Project {
+        // Project config layers are active only after the project itself has
+        // been trusted, so their hooks inherit that trust.
+        HookTrustStatus::Trusted
     } else {
         match trusted_hash {
             Some(trusted_hash) if trusted_hash == current_hash => HookTrustStatus::Trusted,
@@ -830,6 +839,45 @@ mod tests {
             }]
         );
     }
+    #[test]
+    fn project_hook_inherits_project_trust() {
+        let mut handlers = Vec::new();
+        let mut hook_entries = Vec::new();
+        let mut warnings = Vec::new();
+        let mut display_order = 0;
+        let source_path = source_path();
+        let hook_states = std::collections::HashMap::from([(
+            format!("{}:pre_tool_use:0:0", source_path.display()),
+            HookStateToml {
+                enabled: None,
+                trusted_hash: Some("stale-hash".to_string()),
+            },
+        )]);
+
+        append_matcher_groups(
+            &mut handlers,
+            &mut hook_entries,
+            &mut warnings,
+            &mut display_order,
+            &super::HookHandlerSource {
+                path: &source_path,
+                key_source: source_path.display().to_string(),
+                source: HookSource::Project,
+                is_managed: false,
+                bypass_hook_trust: false,
+                hook_states: &hook_states,
+                env: std::collections::HashMap::new(),
+                plugin_id: None,
+            },
+            HookEventName::PreToolUse,
+            vec![command_group(Some("Bash"))],
+        );
+
+        assert_eq!(warnings, Vec::<String>::new());
+        assert_eq!(hook_entries.len(), 1);
+        assert_eq!(hook_entries[0].trust_status, HookTrustStatus::Trusted);
+        assert_eq!(handlers.len(), 1);
+    }
 
     #[test]
     fn bypass_hook_trust_allows_enabled_untrusted_handlers() {