fix: ignore codex weak blockers above the current prompt (#3339)

refs #3301

3 files changed, 54 insertions, 10 deletions

diff --git a/src/detect/manifest/tests.rs b/src/detect/manifest/tests.rs
index edffa2bb..508b9b7e 100644
--- a/src/detect/manifest/tests.rs
+++ b/src/detect/manifest/tests.rs
@@ -890,18 +890,62 @@ fn codex_screen_blocker_outranks_working_fallback() {
 }
 
 #[test]
-fn codex_weak_blocker_outranks_working_fallback() {
+fn codex_weak_blocker_without_current_prompt_is_blocked() {
+    let result = osc_explain(
+        Agent::Codex,
+        "do you want to continue? [y/n]\n",
+        "project",
+        "",
+    );
+
+    assert_eq!(result.state, AgentState::Blocked);
+    assert_eq!(
+        result.matched_rule.as_ref().map(|r| r.id.as_str()),
+        Some("weak_blocker")
+    );
+}
+
+#[test]
+fn codex_current_prompt_keeps_weak_text_from_overriding_working_fallback() {
     let screen = "• Working (4s • esc to interrupt)\n\
         do you want to continue? [y/n]\n\
         › Use /skills to list available skills\n";
     let result = osc_explain(Agent::Codex, screen, "project", "");
 
-    assert_eq!(result.state, AgentState::Blocked);
+    assert_eq!(result.state, AgentState::Working);
     assert_eq!(
         result.matched_rule.as_ref().map(|r| r.id.as_str()),
-        Some("weak_blocker")
+        Some("screen_working_fallback")
+    );
+    assert!(result.visible_working);
+}
+
+#[test]
+fn codex_weak_blocker_ignores_finished_response_above_current_prompt() {
+    let screen = "• The `wt rm` transcript now shows [y/N] / esc, matching the real prompt.\n\n\
+        ─ Worked for 4m 59s ─\n\n\
+        › Ask Codex to do anything\n";
+    let result = osc_explain(Agent::Codex, screen, "project", "");
+
+    assert_eq!(result.state, AgentState::Idle);
+    assert_eq!(
+        result.matched_rule.as_ref().map(|r| r.id.as_str()),
+        Some("osc_title_idle")
+    );
+}
+
+#[test]
+fn codex_weak_blocker_ignores_wrapped_current_prompt_text() {
+    let screen = "› Explain why this prompt wraps before quoting the confirmation text\n\
+          [y/N] / esc and whether the docs should include it\n\n\
+          gpt-5.6-sol default · /work\n";
+    let result = osc_explain(Agent::Codex, screen, "project", "");
+
+    assert_eq!(result.state, AgentState::Idle);
+    assert_eq!(
+        result.matched_rule.as_ref().map(|r| r.id.as_str()),
+        Some("osc_title_idle")
     );
-    assert!(!result.visible_working);
 }
 
 #[test]
diff --git a/src/detect/manifests/codex.toml b/src/detect/manifests/codex.toml
index 9169e108..6833f390 100644
--- a/src/detect/manifests/codex.toml
+++ b/src/detect/manifests/codex.toml
@@ -1,7 +1,7 @@
 id = "codex"
-version = "2026.08.09.1"
+version = "2026.08.28.1"
 min_engine_version = 3
-updated_at = "2026-08-09T00:00:00Z"
+updated_at = "2026-08-28T00:00:00Z"
 
 [[rules]]
 id = "osc_title_blocked"
@@ -59,7 +59,7 @@ any = [
 id = "weak_blocker"
 state = "blocked"
 priority = 600
-region = "whole_recent"
+region = "whole_recent_without_current_prompt_marker"
 any = [
   { contains = ["[y/n]"] },
   { contains = ["yes (y)"] },
diff --git a/website/agent-detection/codex.toml b/website/agent-detection/codex.toml
index 9169e108..6833f390 100644
--- a/website/agent-detection/codex.toml
+++ b/website/agent-detection/codex.toml
@@ -1,7 +1,7 @@
 id = "codex"
-version = "2026.08.09.1"
+version = "2026.08.28.1"
 min_engine_version = 3
-updated_at = "2026-08-09T00:00:00Z"
+updated_at = "2026-08-28T00:00:00Z"
 
 [[rules]]
 id = "osc_title_blocked"
@@ -59,7 +59,7 @@ any = [
 id = "weak_blocker"
 state = "blocked"
 priority = 600
-region = "whole_recent"
+region = "whole_recent_without_current_prompt_marker"
 any = [
   { contains = ["[y/n]"] },
   { contains = ["yes (y)"] },