diff --git a/.devcontainer/agent-versions.env b/.devcontainer/agent-versions.env
index 9a2f676..716ce8f 100644
--- a/.devcontainer/agent-versions.env
+++ b/.devcontainer/agent-versions.env
@@ -6,8 +6,8 @@ FIRSTDRAFT_CLI_VERSION=0.8.2
 # CLI 0.8.x uses First Draft API 0.7.x and defaults to local root output.
 # The wrapper selects this production origin; `firstdraft login --device` saves its login.
 FIRSTDRAFT_CLI_DEFAULT_API_URL=https://firstdraft.com
-# Shared Claude/Codex authoring Skill; exact source of plugin 0.8.11 (tag claude-v0.8.11; CLI 0.8.2, API 0.7).
-FIRSTDRAFT_SKILLS_REVISION=39b31cdacf6ff2ef0d0e6cf80ff2e7eb0d16ea46
+# Shared Claude/Codex authoring Skill; exact source of plugin 0.8.12 (tag claude-v0.8.12; CLI 0.8.2, API 0.7).
+FIRSTDRAFT_SKILLS_REVISION=a9a20b7b74ec23644f74fed44f5ae34881780cfc
 FIRSTDRAFT_CLAUDE_SKILL_NAME=create-full-stack-app
 # Codex namespaces the canonical source checkout with its root plugin manifest.
 FIRSTDRAFT_CODEX_SKILL_NAME=firstdraft:create-full-stack-app