diff --git a/plugins/agent-plugin-skills/skills/sync-skills-repo-guidance/SKILL.md b/plugins/agent-plugin-skills/skills/sync-skills-repo-guidance/SKILL.md
index b708af5a..5c649d6f 100644
--- a/plugins/agent-plugin-skills/skills/sync-skills-repo-guidance/SKILL.md
+++ b/plugins/agent-plugin-skills/skills/sync-skills-repo-guidance/SKILL.md
@@ -88,4 +88,4 @@ Flag skill guidance that implies automatic delegation, recommends parallel write
 
 When auditing target skills or plugin-repo docs that mention OpenAI Codex Hooks, keep hooks conceptually separate from marketplace and install-surface guidance. Hooks are Codex runtime lifecycle scripts; plugins may bundle lifecycle config, but hooks are not themselves a plugin install surface.
 
-Flag hooks guidance that uses deprecated `features.codex_hooks` wording instead of canonical `features.hooks`, implies hooks are disabled by default, implies project-local hooks load without a trusted `.codex/` layer, treats `PreToolUse` or `PostToolUse` as complete enforcement for every tool path, omits non-managed hook trust review, or confuses Codex Hooks with git pre-commit hooks or repo-maintenance hook scripts.
+Flag hooks guidance that uses deprecated `features.codex_hooks` wording instead of canonical `features.hooks`, refers to removed or legacy plugin-hook gates such as `features.plugin_hooks`, implies hooks are disabled by default, implies project-local hooks load without a trusted `.codex/` layer, treats `PreToolUse` or `PostToolUse` as complete enforcement for every tool path, omits non-managed hook trust review, or confuses Codex Hooks with git pre-commit hooks or repo-maintenance hook scripts.
diff --git a/plugins/codex-utilities/docs/thread-title-hooks.md b/plugins/codex-utilities/docs/thread-title-hooks.md
index b0c7d52e..cbe2ae7e 100644
--- a/plugins/codex-utilities/docs/thread-title-hooks.md
+++ b/plugins/codex-utilities/docs/thread-title-hooks.md
@@ -19,6 +19,12 @@ The current hook listens for `SessionStart` with the `startup` matcher and runs:
 sh ${PLUGIN_ROOT}/hooks/capture-session-start.sh
 ```
 
+This command path is intentionally provisional. The live Codex hook docs do not
+document `${PLUGIN_ROOT}` expansion for plugin-bundled hook commands, and the
+managed-hook guidance recommends absolute script paths for managed hooks. Before
+enabling `rename` mode, confirm how Codex resolves plugin-relative hook commands
+in an installed plugin cache.
+
 The script appends stdin to:
 
 ```text
@@ -98,14 +104,28 @@ visible inside the new thread than the direct App Server hook route.
 
 ## Next Test
 
+Before testing, confirm the active Codex config uses the current feature keys:
+`features.hooks = true` and the stable plugin feature. Removed keys such as
+`features.plugin_hooks` are not required and should not appear in operator
+guidance.
+
+An installed `codex-utilities@socket` 6.16.0 probe did not expose or run the
+plugin-bundled `SessionStart` hook in the Codex GUI settings or in
+`codex exec --dangerously-bypass-hook-trust`. Current Codex docs say
+plugin-bundled hooks load alongside other hook sources and do not document a
+`SessionStart` exclusion, so treat that result as a product behavior mismatch or
+loading-order limitation until confirmed upstream. A user-level or project-local
+hook is the better live test surface for the thread-title flow.
+
 1. Install or refresh the Socket marketplace plugin locally.
-2. Trust the `codex-utilities` `SessionStart` hook.
-3. Start a new thread in a known working directory with the default `capture`
+2. Confirm the hook source is visible in Codex hook settings or `/hooks`.
+3. Trust the `codex-utilities` `SessionStart` hook if it appears.
+4. Start a new thread in a known working directory with the default `capture`
    mode.
-4. Compare the captured `session_id` with the new thread id.
-5. Repeat with `CODEX_UTILITIES_THREAD_TITLE_MODE=dry-run` and inspect
+5. Compare the captured `session_id` with the new thread id.
+6. Repeat with `CODEX_UTILITIES_THREAD_TITLE_MODE=dry-run` and inspect
    `thread-title-decisions.jsonl`.
-6. Only after that identity is confirmed, repeat with
+7. Only after that identity is confirmed, repeat with
    `CODEX_UTILITIES_THREAD_TITLE_MODE=rename`.
-7. Keep the model-mediated prefix route as a comparison path if direct App
+8. Keep the model-mediated prefix route as a comparison path if direct App
    Server renaming loses too much of Codex's generated-title quality.
diff --git a/plugins/codex-utilities/scripts/session-start-hook.mjs b/plugins/codex-utilities/scripts/session-start-hook.mjs
index aa9b95bc..bcec73f8 100644
--- a/plugins/codex-utilities/scripts/session-start-hook.mjs
+++ b/plugins/codex-utilities/scripts/session-start-hook.mjs
@@ -3,6 +3,9 @@ import fs from "node:fs";
 import net from "node:net";
 import os from "node:os";
 import path from "node:path";
+import { fileURLToPath } from "node:url";
+
+const pluginRoot = path.resolve(path.dirname(fileURLToPath(import.meta.url)), "..");
 
 const payloadText = await readStdin();
 const payload = parsePayload(payloadText);
@@ -92,11 +95,25 @@ function readConfig() {
     maxPrefixLength,
     mode,
     payloadLogPath: path.join(dataDir, "session-start.jsonl"),
+    pluginVersion: readPluginVersion(pluginRoot),
     socketPath,
     timeoutMs,
   };
 }
 
+function readPluginVersion(pluginRoot) {
+  const manifestPath = path.join(pluginRoot, ".codex-plugin", "plugin.json");
+  try {
+    const manifest = JSON.parse(fs.readFileSync(manifestPath, "utf8"));
+    if (typeof manifest.version === "string" && manifest.version.trim()) {
+      return manifest.version.trim();
+    }
+  } catch {
+    return "unknown";
+  }
+  return "unknown";
+}
+
 function modeFromEnv(rawMode) {
   const mode = (rawMode ?? "capture").trim().toLowerCase();
   if (["capture", "dry-run", "rename"].includes(mode)) {
@@ -139,7 +156,7 @@ async function setThreadName({ socketPath, threadId, name, timeoutMs }) {
       clientInfo: {
         name: "codex_utilities_hook",
         title: "Codex Utilities Hook",
-        version: "6.15.4",
+        version: config.pluginVersion,
       },
       capabilities: {
         experimentalApi: false,
diff --git a/plugins/productivity-skills/docs/maintainers/codex-hooks-guidance.md b/plugins/productivity-skills/docs/maintainers/codex-hooks-guidance.md
index 68e518a3..56cb37c2 100644
--- a/plugins/productivity-skills/docs/maintainers/codex-hooks-guidance.md
+++ b/plugins/productivity-skills/docs/maintainers/codex-hooks-guidance.md
@@ -17,7 +17,9 @@ hooks = false
 ```
 
 `codex_hooks` still works as a deprecated alias, but skill and repo guidance
-should use `features.hooks`.
+should use `features.hooks`. Do not use older plugin-gating keys such as
+`features.plugin_hooks`; current Codex releases expose plugin support through
+the stable plugin feature and hook support through `features.hooks`.
 
 Codex discovers hooks next to active config layers in either `hooks.json` or inline `[hooks]` tables in `config.toml`. The most common locations are:
 
@@ -86,6 +88,7 @@ Good hook guidance names the lifecycle event, the matcher scope, the script loca
 When auditing hooks guidance, flag wording that:
 
 - uses deprecated `features.codex_hooks` wording instead of canonical `features.hooks`
+- refers to removed or legacy plugin-hook gates such as `features.plugin_hooks`
 - implies hooks are disabled by default
 - implies project-local hooks load in untrusted projects
 - says higher-precedence config layers replace lower-precedence hooks