diff --git a/src-tauri/src/parser/entry.rs b/src-tauri/src/parser/entry.rs
index ef2ab90..8959b24 100644
--- a/src-tauri/src/parser/entry.rs
+++ b/src-tauri/src/parser/entry.rs
@@ -270,6 +270,19 @@ mod tests {
         assert_eq!(e.entry_type, "response_item");
     }
 
+    // Codex v0.130.0 (PR #21683): "research preview" text removed from startup banner.
+    // codex-trace reads version from session_meta.payload.cli_version — not from any
+    // banner text output by `codex exec`. This test confirms v0.130.0 sessions parse
+    // correctly and that version detection is unaffected by the banner wording change.
+    #[test]
+    fn v0130_startup_banner_research_preview_removal_does_not_affect_version_detection() {
+        let line = r#"{"timestamp":"2026-05-08T10:00:00Z","type":"session_meta","payload":{"id":"v0130-session","timestamp":"2026-05-08T10:00:00Z","cwd":"/tmp","cli_version":"0.130.0","model_provider":"openai"}}"#;
+        let e = RawEntry::parse(line).unwrap();
+        assert_eq!(e.entry_type, "session_meta");
+        assert_eq!(e.payload["cli_version"], "0.130.0");
+        assert_eq!(e.payload["id"], "v0130-session");
+    }
+
     #[test]
     fn log_db_log_writer_refactor_does_not_affect_jsonl_session_parser() {
         // Codex v0.128.0 PRs #19234/#19959 refactored the internal log DB into a
@@ -298,4 +311,32 @@ mod tests {
         let meta = RawEntry::parse(lines[0]).unwrap();
         assert_eq!(meta.payload["cli_version"], "0.128.0");
     }
+
+    #[test]
+    fn codex_v0_130_0_startup_banner_change_does_not_affect_session_parsing() {
+        // Codex v0.130.0 (PR #21683) removed "research preview" from the `codex exec`
+        // startup banner. Session JSONL files at ~/.codex/sessions/ contain structured
+        // data, not banner text — so this UI change has no effect on parsing. Verify
+        // that all standard entry types from a v0.130.0 session parse correctly.
+        let lines = [
+            r#"{"timestamp":"2026-05-08T10:00:00Z","type":"session_meta","payload":{"id":"v0130-session","timestamp":"2026-05-08T10:00:00Z","cwd":"/tmp","cli_version":"0.130.0","model_provider":"openai"}}"#,
+            r#"{"timestamp":"2026-05-08T10:00:01Z","type":"event_msg","payload":{"type":"task_started","turn_id":"turn-1"}}"#,
+            r#"{"timestamp":"2026-05-08T10:00:02Z","type":"response_item","payload":{"type":"message","role":"assistant","content":"Hello"}}"#,
+            r#"{"timestamp":"2026-05-08T10:00:03Z","type":"turn_context","payload":{"model":"gpt-5","cwd":"/tmp"}}"#,
+            r#"{"timestamp":"2026-05-08T10:00:04Z","type":"event_msg","payload":{"type":"task_complete","turn_id":"turn-1","completed_at":1746700804.0}}"#,
+        ];
+        let expected_types = [
+            "session_meta",
+            "event_msg",
+            "response_item",
+            "turn_context",
+            "event_msg",
+        ];
+        for (line, expected) in lines.iter().zip(expected_types.iter()) {
+            let entry = RawEntry::parse(line).expect("parse failed");
+            assert_eq!(entry.entry_type, *expected, "wrong type for: {line}");
+        }
+        let meta = RawEntry::parse(lines[0]).unwrap();
+        assert_eq!(meta.payload["cli_version"], "0.130.0");
+    }
 }
diff --git a/src-tauri/src/parser/toolcall.rs b/src-tauri/src/parser/toolcall.rs
index ce99129..ef8626d 100644
--- a/src-tauri/src/parser/toolcall.rs
+++ b/src-tauri/src/parser/toolcall.rs
@@ -962,7 +962,7 @@ fn extract_mcp_output(payload: &Value) -> Option<String> {
 
 #[cfg(test)]
 mod tests {
-    use super::parse_mcp_namespace;
+    use super::{parse_exec_function_output, parse_mcp_namespace};
 
     #[test]
     fn namespace_with_tool_prefix_keeps_full_namespace_as_server() {
@@ -997,4 +997,31 @@ mod tests {
         assert_eq!(server, None);
         assert_eq!(tool, None);
     }
+
+    #[test]
+    fn exec_output_parsing_unaffected_by_codex_v0_130_0_banner_change() {
+        // Codex v0.130.0 (PR #21683) removed "research preview" from the `codex exec`
+        // startup banner. codex-trace must not pattern-match on banner wording — only
+        // stable structural markers (Output:, exit code, wall time, session id) are used.
+        let old_banner = "Codex - a coding agent (research preview)\nOutput:\nhello\nExit code: 0\nWall time: 0.5s\n";
+        let new_banner = "Codex - a coding agent\nOutput:\nhello\nExit code: 0\nWall time: 0.5s\n";
+
+        let old = parse_exec_function_output(old_banner);
+        let new = parse_exec_function_output(new_banner);
+
+        assert_eq!(
+            old.status, new.status,
+            "status differs between banner formats"
+        );
+        assert_eq!(old.exit_code, new.exit_code);
+        assert_eq!(old.duration_secs, new.duration_secs);
+        let old_out = old.output.unwrap_or_default();
+        let new_out = new.output.unwrap_or_default();
+        assert!(old_out.contains("hello"), "old banner output missing hello");
+        assert!(new_out.contains("hello"), "new banner output missing hello");
+        assert!(
+            !old_out.contains("research preview"),
+            "banner text leaked into output"
+        );
+    }
 }