diff --git a/src/main/runtime/__fixtures__/codex-0-160-0-plan-implement-menu.meta.json b/src/main/runtime/__fixtures__/codex-0-160-0-plan-implement-menu.meta.json
new file mode 100644
index 00000000000..75d232e1347
--- /dev/null
+++ b/src/main/runtime/__fixtures__/codex-0-160-0-plan-implement-menu.meta.json
@@ -0,0 +1,9 @@
+{
+  "capturedAt": "2026-10-02T05:46:28.602Z",
+  "platform": "darwin",
+  "command": ["codex", "--no-daemon", "-c", "check_for_update_on_startup=false"],
+  "cols": 120,
+  "rows": 40,
+  "note": "codex-cli 0.160.0, isolated HOME/CODEX_HOME with the project pre-trusted. A Plan-mode turn ends in the 'Implement this plan?' menu, which owns the screen until '3' (No, stay in Plan mode) answers it at 70s; cut 25s later at the empty composer.",
+  "exitCode": 0
+}
diff --git a/src/main/runtime/__fixtures__/codex-0-160-0-plan-implement-menu.txt b/src/main/runtime/__fixtures__/codex-0-160-0-plan-implement-menu.txt
new file mode 100644
index 00000000000..62ae231e2c3
--- /dev/null
+++ b/src/main/runtime/__fixtures__/codex-0-160-0-plan-implement-menu.txt
@@ -0,0 +1 @@
+[?2004h[>4;0m[>7u[?1004h]10;?\]11;?\[?u[?2026h[?25l[?1049h[>4;0m[>7u[?1007l[?1000h[?1002h[?1003h[?1006h[?25l[?2026h[?25l>_ OpenAI Codex (v0.160.0)loadingHello, world. Hello, you.⣀⣤⣤⣤⣀⣀⣠⣶⣿⣿⣿⣿⣿⣿⣿⣿⣦⣤⣤⣤⣤⣤⣤⡀⢀⣾⣿⣿⠿⠋⠉⠉⢉⣭⣿⣿⣿⣿⣿⠿⣿⣿⣿⣿⣷⣄⣀⣾⣿⣿⠃⣀⣴⣾⣿⣿⡿⠟⠋⣀⡀⠈⠙⢿⣿⣿⣧⣀⣶⣿⣿⣿⣿⡇⢸⣿⣿⡿⠛⠉⢀⣠⣴⣿⣿⣿⣷⣦⣀⠈⢻⣿⣿⡇⣰⣿⣿⡿⢿⣿⣿⡇⢸⣿⣿⢀⣤⣶⣿⣿⣿⠟⠛⠻⣿⣿⣿⣿⣮⣿⣿⡷⢰⣿⣿⡟⠁⢸⣿⣿⡇⢸⣿⣿⣿⣿⠿⠿⣿⣿⣿⣦⣄⡀⠈⠛⠿⣿⣿⣿⣧⡀⣾⣿⣿⠃⢸⣿⣿⡇⢸⣿⣿⠋⠁⠈⠙⢻⣿⣿⣿⣶⣤⡀⠹⢿⣿⣷⡄⢸⣿⣿⣇⠸⣿⣿⣷⣦⣼⣿⣿⢸⣿⣿⠻⢿⣿⣿⡇⠘⣿⣿⣿⠈⢿⣿⣿⣦⡀⠈⠛⠿⣿⣿⣿⣿⣄⡀⢀⣠⣼⣿⣿⣿⣿⡇⣿⣿⣿⠇⢻⣿⣿⣿⣷⣦⣀⠈⠙⠻⣿⣿⣿⣶⣶⣿⣿⣿⣿⣿⣿⣿⡇⣠⣿⣿⣿⢸⣿⣿⡿⢿⣿⣿⣿⣦⣠⣴⣿⣿⣿⡿⠟⠋⢸⣿⣿⣿⣿⣷⣴⣿⣿⣿⠃⠘⣿⣿⣷⠈⠛⢿⣿⣿⣿⠿⠋⠉⣠⣴⣿⣿⣿⣿⣿⣿⣿⣿⠟⠁⠻⣿⣿⣿⣤⣀⠈⠉⢀⣤⣶⣿⣿⣿⠿⠟⠁⣰⣿⣿⡟⠋⠁⠈⠿⣿⣿⣿⣿⣶⣾⣿⣿⣿⣿⠟⠋⠁⣠⣼⣿⣿⡟⠙⠛⠛⠛⠻⠛⢿⣿⣿⣿⣿⣷⣾⣿⣿⣿⡿⠏⠈⠙⠛⠿⠿⠿⠿⠛⠉›Ask Codex to do anything?forshortcuts[0 q [?25h[?2026l[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25l/Users/xxxxxx/orca-lanes/codex-plan-scratch[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l]0;codex-plan-scratch[?2026h[?25lGPT-6.1-Sol default·/Users/xxxxxx/orca-lanes/codex-plan-scratch[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l]0;⠋ codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25h[?2026l]0;⠙ codex-plan-scratch[?2026h[?25h[?2026l]0;⠹ codex-plan-scratch]0;⠸ codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25h[?2026l]0;⠼ codex-plan-scratch]0;⠴ codex-plan-scratch]0;⠦ codex-plan-scratch]0;⠧ codex-plan-scratch]0;⠇ codex-plan-scratch]0;⠏ codex-plan-scratch]0;codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25l[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25l› /plan  switch to Plan mode                                                                                            /plan[?25h[?2026l[?2026h[?25l• Modelchangedtogpt-6.1-solmediumforPlanmode. 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codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25l•Ranpwd; rg --files -g 'notes.md' -g 'AGENTS.md' -g '!node_modules' -g '!vendor'  └ /Users/xxxxxx/orca-lanes/codex-plan-scratch    notes.md•[?25h[?2026l[?2026h[?25h[?2026l]0;⠦ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25l•[?25h[?2026l[?2026h[?25h[?2026l]0;⠧ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25l•[?25h[?2026l[?2026h[?25h[?2026l]0;⠇ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25l•[?25h[?2026l[?2026h[?25h[?2026l]0;⠏ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25l•[?25h[?2026l[?2026h[?25l5[?25h[?2026l]0;⠋ Plan notes.md addition | codex-plan-scratch[?2026h[?25l•[?25h[?2026l[?2026h[?25h[?2026l]0;⠙ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25l•[?25h[?2026l[?2026h[?25h[?2026l]0;⠹ Plan notes.md addition | 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codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l]0;⠸ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l]0;⠼ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l]0;⠴ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25l•[?25h[?2026l[?2026h[?25h[?2026l]0;⠦ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25l•[?25h[?2026l[?2026h[?25h[?2026l]0;⠧ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25l•[?25h[?2026l[?2026h[?25h[?2026l]0;⠇ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25l•[?25h[?2026l[?2026h[?25h[?2026l]0;⠏ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25l•[?25h[?2026l[?2026h[?25l7[?25h[?2026l]0;⠋ Plan notes.md addition | codex-plan-scratch[?2026h[?25l•[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l]0;⠙ Plan notes.md addition | codex-plan-scratch[?2026h[?25l•[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l]0;⠹ Plan notes.md addition | codex-plan-scratch[?2026h[?25l•[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l]0;⠸ Plan notes.md addition | codex-plan-scratch[?2026h[?25l•[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25l•Explored  └ Readnotes.md    + Show details                                                                                                      [?25h[?2026l]0;⠼ Plan notes.md addition | codex-plan-scratch[?2026h[?25l•[?25h[?2026l]0;⠴ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25h[?2026l]0;⠦ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l]0;⠧ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l]0;⠇ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25h[?2026l]0;⠏ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l]0;⠋ Plan notes.md addition | codex-plan-scratch[?2026h[?25l8[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l]0;⠙ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l]0;⠹ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l]0;⠸ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l]0;⠼ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l]0;⠴ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25l•[?25h[?2026l]0;⠦ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25l•[?25h[?2026l[?2026h[?25h[?2026l]0;⠧ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25l•[?25h[?2026l[?2026h[?25h[?2026l]0;⠇ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25l•[?25h[?2026l[?2026h[?25h[?2026l]0;⠏ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25l•[?25h[?2026l[?2026h[?25l9[?25h[?2026l]0;⠋ Plan notes.md addition | codex-plan-scratch[?2026h[?25l•[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l]0;⠙ Plan notes.md addition | codex-plan-scratch[?2026h[?25l•[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l]0;⠹ Plan notes.md addition | codex-plan-scratch[?2026h[?25l•[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l]0;⠸ Plan notes.md addition | codex-plan-scratch[?2026h[?25l•[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l]0;⠼ Plan notes.md addition | codex-plan-scratch[?2026h[?25l•[?25h[?2026l[?2026h[?25h[?2026l]0;⠴ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l]0;⠦ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25h[?2026l]0;⠧ Plan notes.md addition | codex-plan-scratch[?2026h[?25h[?2026l[?2026h[?25l• Proposed Plan1 [?25h[?2026l]0;⠇ Plan notes.md addition | codex-plan-scratch[?2026h[?25l1.[?25h[?2026l[?2026h[?25lAppend[?25h[?2026l[?2026h[?25l`[?25h[?2026l]0;⠏ Plan notes.md addition | codex-plan-scratch[?2026h[?25lOne[?25h[?2026l]0;⠋ Plan notes.md addition | codex-plan-scratch]0;⠙ Plan notes.md addition | codex-plan-scratch[?2026h[?25lline[?25h[?2026l]0;⠹ Plan notes.md addition | codex-plan-scratch]0;⠸ Plan notes.md addition | codex-plan-scratch[?2026h[?25ladded[?25h[?2026l[?2026h[?25lOne line added.beneath[?25h[?2026l[?2026h[?25ltheexisting`#[?25h[?2026l]0;⠼ Plan notes.md addition | codex-plan-scratch[?2026h[?25l# scratchheadingin[?25h[?2026l[?2026h[?25l`notes.md[?25h[?2026l]0;⠴ Plan notes.md addition | codex-plan-scratch]0;⠦ Plan notes.md addition | codex-plan-scratch[?2026h[?25lnotes.md,[?25h[?2026l]0;⠧ Plan notes.md addition | codex-plan-scratch]0;⠇ Plan notes.md addition | codex-plan-scratch[?2026h[?25lusing[?25h[?2026l]0;⠏ Plan notes.md addition | codex-plan-scratch[?2026h[?25lthis[?25h[?2026l]0;⠋ Plan notes.md addition | codex-plan-scratch]0;⠙ Plan notes.md addition | codex-plan-scratch[?2026h[?25ltext[?25h[?2026l[?2026h[?25lasthedefault[?25h[?2026l]0;⠹ Plan notes.md addition | codex-plan-scratch[?2026h[?25lsince[?25h[?2026l]0;⠸ Plan notes.md addition | codex-plan-scratch]0;⠼ Plan notes.md addition | codex-plan-scratch]0;⠴ Plan notes.md addition | codex-plan-scratch]0;⠦ Plan notes.md addition | codex-plan-scratch[?2026h[?25l• Proposed Plan 2.[?25h[?2026l[?2026h[?25l • Proposed Plan1. AppendOne line added.beneaththeexisting# scratchheadinginnotes.md,usingthistextasthedefaultsince2.[?25h[?2026l[?2026h[?25l   nonewasspecified.2.[?25h[?2026l]0;⠧ Plan notes.md addition | codex-plan-scratch[?2026h[?25lCheck[?25h[?2026l[?2026h[?25lthediffconfirmsexactlyoneaddedline[?25h[?2026l]0;⠇ Plan notes.md addition | codex-plan-scratch]0;⠏ Plan notes.md addition | codex-plan-scratch[?2026h[?25l[?25h[?2026l[?2026h[?25h[?2026l[?2026h[?25l2. Checkthediffconfirmsexactlyoneaddedlineandnootherchanges.[?25h[?2026l]0;⠋ Plan notes.md addition | codex-plan-scratch]0;⠙ Plan notes.md addition | codex-plan-scratch[?2026h[?25l2. Checkthediffconfirmsexactlyoneaddedlineandnootherchanges.•Working(12s • esc to interrupt)[?25h[?2026l[?2026h[?25h[?2026l]0;Plan notes.md addition | codex-plan-scratch[?2026h[?25l/Users/xxxxxx/orca-lanes/codex-plan-scratchHello, world. Hello, you.• Model changed to gpt-6.1-solmediumforPlanmode. › Planaddingonelinetonotes.md.Twostepsmax,asknoquestions. • I’llchecknotes.mdandtherepositoryguidance,thengiveaplanwithnomorethantwosteps.• Ran pwd; rg --files -g 'notes.md' -g 'AGENTS.md' -g '!node_modules' -g '!vendor'  └ /Users/xxxxxx/orca-lanes/codex-plan-scratch    notes.md • Explored  └ Readnotes.md    + Show details                                                                                                       •Proposed Plan 1. AppendOne line added.beneaththeexisting# scratchheadinginnotes.md,usingthistextasthedefaultsincenonewasspecified.2. Check the diff confirmsexactlyoneaddedlineandnootherchanges.  Worked for 12s • 1:45 AM                                                                                              Implement this plan? › 1. Yes, implement this plan          Switch to Default and start coding                                                2. Yes, clear context andimplementStart a fresh thread (current context: 2% used)3.No,stayinPlanmodeContinue planning with the modelenter select · esc back                                                                                               [?2026l[?2026h>_ OpenAI Codex (v0.160.0)   /Users/xxxxxx/orca-lanes/codex-plan-scratch  Hello, world. Hello, you.• Modelchangedtogpt-6.1-solmediumforPlanmode. › Planaddingonelinetonotes.md.Twostepsmax,asknoquestions. • I’ll check notes.md and the repository guidance, then give a plan with no more thantwosteps. • Ran pwd; rg --files -g 'notes.md' -g 'AGENTS.md' -g '!node_modules' -g '!vendor'  └ /Users/xxxxxx/orca-lanes/codex-plan-scratch    notes.md • Explored  └ Readnotes.md   + Show details                                                                                                      • Proposed Plan1. AppendOne line added.beneaththeexisting# scratchheadinginnotes.md,usingthistextasthedefaultsince   none was specified.2. Checkthediffconfirmsexactlyoneaddedlineandnootherchanges.   Worked for 12s • 1:45 AM                                                                                               ›Ask Codex to do anythingGPT-6.1-Sol medium·/Users/xxxxxx/orca-lanes/codex-plan-scratch·Plan notes.md additionPlan mode? for shortcuts[?25h[?2026l
\ No newline at end of file
diff --git a/src/main/runtime/__fixtures__/readiness-census/transcript--codex-0-160-0-plan-implement-menu@agent.json b/src/main/runtime/__fixtures__/readiness-census/transcript--codex-0-160-0-plan-implement-menu@agent.json
new file mode 100644
index 00000000000..d17f5cf724e
--- /dev/null
+++ b/src/main/runtime/__fixtures__/readiness-census/transcript--codex-0-160-0-plan-implement-menu@agent.json
@@ -0,0 +1,36 @@
+{
+  "description": "codex recording at 120x40 replayed on the agent pane, one entry per chunk",
+  "observations": {
+    "clocked": [
+      "0-21: now=pending:closed edge=pending:closed quiet=pending:closed wait=pending",
+      "22-36: now=pending:closed edge=pending:closed quiet=ready-strong wait=ready@start",
+      "37-44: now=working edge=working quiet=ready-strong wait=ready@start",
+      "45-54: now=pending:closed edge=pending:closed quiet=ready-strong wait=ready@start",
+      "55-60: now=pending:closed edge=pending:closed quiet=pending:closed wait=pending",
+      "61-111: now=pending:closed edge=pending:closed quiet=ready-strong wait=ready@start",
+      "112-118: now=pending:closed edge=pending:closed quiet=pending:closed wait=pending",
+      "119-121: now=pending:closed edge=pending:closed quiet=ready-strong wait=ready@start",
+      "122-123: now=working edge=working quiet=ready-strong wait=ready@start",
+      "124-180: now=working edge=working quiet=working wait=pending",
+      "181-212: now=working edge=working quiet=ready-strong wait=ready@start",
+      "213-435: now=working edge=working quiet=working wait=pending",
+      "436-500: now=working edge=working quiet=ready-strong wait=ready@start",
+      "501-502: now=working edge=working quiet=working wait=pending",
+      "503-507: now=pending:closed edge=pending:closed quiet=pending:closed wait=pending",
+      "508-547: now=pending:closed edge=pending:closed quiet=ready-strong wait=ready@start",
+      "548-551: now=pending:closed edge=pending:closed quiet=pending:closed wait=pending",
+      "552-558: now=blocked:agent-interactive-prompt edge=blocked:agent-interactive-prompt quiet=blocked:agent-interactive-prompt wait=blocked:agent-interactive-prompt@start",
+      "559-596: now=pending:closed edge=pending:closed quiet=pending:closed wait=pending",
+      "597-601: now=pending:closed edge=pending:closed quiet=ready-strong wait=ready@start"
+    ],
+    "clockless": [
+      "0-36: verdict=pending:closed wait=pending",
+      "37-44: verdict=working wait=pending",
+      "45-121: verdict=pending:closed wait=pending",
+      "122-502: verdict=working wait=pending",
+      "503-551: verdict=pending:closed wait=pending",
+      "552-558: verdict=blocked:agent-interactive-prompt wait=blocked:agent-interactive-prompt@start",
+      "559-601: verdict=pending:closed wait=pending"
+    ]
+  }
+}
diff --git a/src/main/runtime/__fixtures__/readiness-census/transcript--codex-0-160-0-plan-implement-menu@unknown.json b/src/main/runtime/__fixtures__/readiness-census/transcript--codex-0-160-0-plan-implement-menu@unknown.json
new file mode 100644
index 00000000000..29bebffabb2
--- /dev/null
+++ b/src/main/runtime/__fixtures__/readiness-census/transcript--codex-0-160-0-plan-implement-menu@unknown.json
@@ -0,0 +1,35 @@
+{
+  "description": "codex recording at 120x40 replayed on the unknown pane, one entry per chunk",
+  "observations": {
+    "clocked": [
+      "0-36: now=pending:open edge=pending:open quiet=pending:open wait=ready@poll",
+      "37-44: now=working edge=working quiet=ready-strong wait=ready@start",
+      "45-54: now=pending:closed edge=pending:closed quiet=ready-strong wait=ready@start",
+      "55-60: now=pending:closed edge=pending:closed quiet=pending:closed wait=pending",
+      "61-111: now=pending:closed edge=pending:closed quiet=ready-strong wait=ready@start",
+      "112-118: now=pending:closed edge=pending:closed quiet=pending:closed wait=pending",
+      "119-121: now=pending:closed edge=pending:closed quiet=ready-strong wait=ready@start",
+      "122-123: now=working edge=working quiet=ready-strong wait=ready@start",
+      "124-180: now=working edge=working quiet=working wait=pending",
+      "181-212: now=working edge=working quiet=ready-strong wait=ready@start",
+      "213-435: now=working edge=working quiet=working wait=pending",
+      "436-500: now=working edge=working quiet=ready-strong wait=ready@start",
+      "501-502: now=working edge=working quiet=working wait=pending",
+      "503-507: now=pending:closed edge=pending:closed quiet=pending:closed wait=pending",
+      "508-547: now=pending:closed edge=pending:closed quiet=ready-strong wait=ready@start",
+      "548-551: now=pending:closed edge=pending:closed quiet=pending:closed wait=pending",
+      "552-558: now=blocked:agent-interactive-prompt edge=blocked:agent-interactive-prompt quiet=blocked:agent-interactive-prompt wait=blocked:agent-interactive-prompt@start",
+      "559-596: now=pending:closed edge=pending:closed quiet=pending:closed wait=pending",
+      "597-601: now=pending:closed edge=pending:closed quiet=ready-strong wait=ready@start"
+    ],
+    "clockless": [
+      "0-36: verdict=pending:open wait=ready@poll",
+      "37-44: verdict=working wait=pending",
+      "45-121: verdict=pending:closed wait=pending",
+      "122-502: verdict=working wait=pending",
+      "503-551: verdict=pending:closed wait=pending",
+      "552-558: verdict=blocked:agent-interactive-prompt wait=blocked:agent-interactive-prompt@start",
+      "559-601: verdict=pending:closed wait=pending"
+    ]
+  }
+}
diff --git a/src/main/runtime/agent-state-rules/codex.json b/src/main/runtime/agent-state-rules/codex.json
index b52d85a8d6f..7167cf75626 100644
--- a/src/main/runtime/agent-state-rules/codex.json
+++ b/src/main/runtime/agent-state-rules/codex.json
@@ -3,6 +3,21 @@
   "engineVersion": 1,
   "profile": { "screenSource": "live" },
   "anchors": [
+    {
+      "id": "plan_implement_menu",
+      "why": "A Plan-mode turn ends in this menu after Codex's Stop hook fired, and it owns the keyboard, so text sent to the pane picks a choice. Codex paints it by cell diff, which drops spaces from the text copy, and leaves it in the tail once answered, so the key row must end the tail.",
+      "when": {
+        "region": "text",
+        "find": { "lastOf": "implement this plan?" },
+        "after": {
+          "all": [
+            { "regex": "no,\\s*stay\\s*in\\s*plan\\s*mode" },
+            { "regex": "enter\\s*select\\s*·\\s*esc\\s*back\\s*$" }
+          ]
+        }
+      },
+      "answer": { "state": "blocked", "reason": "agent-interactive-prompt" }
+    },
     {
       "id": "ready_header",
       "why": "The startup header with its model and directory labels is the stable ready text across versions; Codex prints permissions only in YOLO mode. Its last occurrence counts, so a header repainted after a dialog proves the dialog was answered.",