diff --git a/artifacts/social/x/posts/2026-06-04/openai-codex-pr-25636-2026-06-04.json b/artifacts/social/x/posts/2026-06-04/openai-codex-pr-25636-2026-06-04.json
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+++ b/artifacts/social/x/posts/2026-06-04/openai-codex-pr-25636-2026-06-04.json
@@ -0,0 +1,85 @@
+{
+  "schema": "social_post/v1",
+  "slug": "openai-codex-pr-25636-2026-06-04",
+  "channel": "x",
+  "target_account": "decodexspace",
+  "controller_account": "hackink",
+  "mode": "operator_impact",
+  "status": "published",
+  "audience": "Codex operators and Decodex Control Plane builders",
+  "text": [
+    "Codex MultiAgentV2 renamed its trigger-turn tool: assign_task is now followup_task. PR #25636 keeps legacy rollout-trace classification for assign_task, so old traces still reduce correctly. Source: https://github.com/openai/codex/pull/25636"
+  ],
+  "source_refs": {
+    "upstream_impacts": [
+      "artifacts/github/impact/openai-codex-pr-25636.json"
+    ],
+    "upstream_reviews": [
+      "artifacts/github/reviews/openai-codex-pr-25636.review.json"
+    ],
+    "signals": [
+      "site/src/content/signals/openai-codex-pr-25636.json"
+    ],
+    "urls": [
+      "https://github.com/openai/codex/pull/25636",
+      "https://github.com/openai/codex/commit/c9bdb5255b2b4b5d365a1be3ec3a94e34a4e0af0",
+      "https://x.com/decodexspace/status/2062336614588944649",
+      "https://x.com/decodexspace/status/2062336614588944649/photo/1"
+    ]
+  },
+  "evidence_notes": [
+    "The upstream_review/v1 artifact records PR #25636 as a confirmed MultiAgentV2 rename from assign_task to followup_task.",
+    "The upstream_impact/v1 artifact classifies PR #25636 as a confirmed compat_risk with an operator_impact Publisher angle.",
+    "Asia/Shanghai cap accounting found zero checked-in @decodexspace published records for 2026-06-04 before posting.",
+    "X duplicate detection for from:decodexspace with followup_task, assign_task, and 25636 returned no results before composing.",
+    "Chrome account readback showed Decodex @decodexspace after switching from the hackink controller account before composing.",
+    "Generated Decodex signal-card media was uploaded through the X file chooser; composer readback showed image edit controls before submit.",
+    "The final permalink readback confirmed @decodexspace, the expected post text, the GitHub source link, and a /photo/1 media link. The repository record keeps the X media URL rather than the generated image binary."
+  ],
+  "claims": [
+    {
+      "text": "Codex MultiAgentV2 renamed the trigger-turn tool from assign_task to followup_task.",
+      "evidence": "https://github.com/openai/codex/pull/25636",
+      "confidence": "confirmed"
+    },
+    {
+      "text": "Legacy rollout traces still classify assign_task as an agent-task dispatch.",
+      "evidence": "artifacts/github/reviews/openai-codex-pr-25636.review.json",
+      "confidence": "confirmed"
+    },
+    {
+      "text": "The published X post includes generated media and a readable /photo/1 media URL.",
+      "evidence": "https://x.com/decodexspace/status/2062336614588944649/photo/1",
+      "confidence": "confirmed"
+    }
+  ],
+  "decision": {
+    "worthiness": "publish",
+    "priority": "critical",
+    "idempotency_key": "x:decodexspace:operator_impact:openai-codex-pr-25636",
+    "reason": "Source-backed MultiAgentV2 rename affects operator expectations and Decodex compatibility planning; the prior 2026-06-02 attempt failed before publication and did not consume the idempotency key.",
+    "daily_limit": 8,
+    "daily_count_before": 0,
+    "daily_count_after": 1,
+    "day": "2026-06-04",
+    "timezone": "Asia/Shanghai"
+  },
+  "publication": {
+    "posted_at": "2026-06-04T00:53:12Z",
+    "published_urls": [
+      "https://x.com/decodexspace/status/2062336614588944649"
+    ],
+    "publisher": "chrome",
+    "account_verified": true,
+    "made_with_ai": true,
+    "image_template": "decodex_signal_card"
+  },
+  "media_refs": [
+    "https://x.com/decodexspace/status/2062336614588944649/photo/1"
+  ],
+  "caveats": [
+    "X permalink readback confirmed the /photo/1 media link, but the page text did not expose a Made with AI label during final readback.",
+    "Downstream availability of followup_task depends on the user's Codex build and enabled MultiAgentV2 feature state.",
+    "This post does not claim Decodex runtime support for followup_task; it identifies a compatibility audit target."
+  ]
+}