openai · derrickchoi-openai · Mar 2, 2026
diff --git a/examples/codex/long_horizon_tasks.md b/examples/codex/long_horizon_tasks.md
diff --git a/images/long_horizon_cli_session_stats.jpg b/images/long_horizon_cli_session_stats.jpg
diff --git a/images/long_horizon_codex_app_main_workspace.jpg b/images/long_horizon_codex_app_main_workspace.jpg
diff --git a/images/long_horizon_codex_reads_plans_file.jpg b/images/long_horizon_codex_reads_plans_file.jpg
diff --git a/images/long_horizon_comments_pinned_threads.jpg b/images/long_horizon_comments_pinned_threads.jpg
diff --git a/images/long_horizon_design_desk_ui.jpeg b/images/long_horizon_design_desk_ui.jpeg
diff --git a/images/long_horizon_documentation_status_updates.jpg b/images/long_horizon_documentation_status_updates.jpg
diff --git a/images/long_horizon_implement_md_runbook_prompt.jpg b/images/long_horizon_implement_md_runbook_prompt.jpg
diff --git a/images/long_horizon_kickoff_prompt_to_codex.jpg b/images/long_horizon_kickoff_prompt_to_codex.jpg
diff --git a/images/long_horizon_lint_fix_iteration.jpg b/images/long_horizon_lint_fix_iteration.jpg
diff --git a/images/long_horizon_live_collaboration_demo.jpg b/images/long_horizon_live_collaboration_demo.jpg
diff --git a/images/long_horizon_metr_time_horizon_chart.jpg b/images/long_horizon_metr_time_horizon_chart.jpg
diff --git a/images/long_horizon_milestone_verification_commands.jpg b/images/long_horizon_milestone_verification_commands.jpg
diff --git a/images/long_horizon_quality_commands.jpg b/images/long_horizon_quality_commands.jpg
diff --git a/images/long_horizon_replay_timeline_panel.jpg b/images/long_horizon_replay_timeline_panel.jpg
diff --git a/images/long_horizon_session_summary_dashboard.jpg b/images/long_horizon_session_summary_dashboard.jpg
diff --git a/images/long_horizon_snapshots_history_panel.jpg b/images/long_horizon_snapshots_history_panel.jpg
diff --git a/registry.yaml b/registry.yaml
@@ -4,21 +4,6 @@
 # should build pages for, and indicates metadata such as tags, creation date and
 # authors for each page.
 
-- title: Long horizon tasks with Codex
-  path: examples/codex/long_horizon_tasks.md
-  slug: long-horizon-tasks
-  description: An experiment running Codex for ~25 hours on a design-tool build, with durable project memory, milestone verification, and long-horizon agent workflows.
-  date: 2026-02-23
-  authors:
-    - derrickchoi-openai
-  tags:
-    - codex
-    - agents
-    - gpt-5
-    - workflows
-    - planning
-    - verification
-
 - title: Building Governed AI Agents - A Practical Guide to Agentic Scaffolding
   path: examples/partners/agentic_governance_guide/agentic_governance_cookbook.ipynb
   slug: agentic-governance-cookbook