diff --git a/.devcontainer/agent-versions.env b/.devcontainer/agent-versions.env
index d4016f7..9aec9e2 100644
--- a/.devcontainer/agent-versions.env
+++ b/.devcontainer/agent-versions.env
@@ -2,12 +2,12 @@
 # Record installed agent versions in qualification receipts.
 CODEX_VERSION=latest
 # First Draft compatibility pins are independent of the agents' update policy.
-FIRSTDRAFT_CLI_VERSION=0.8.2
-# CLI 0.8.x uses First Draft API 0.7.x and defaults to local root output.
+FIRSTDRAFT_CLI_VERSION=0.9.0
+# CLI 0.9.x uses First Draft API 0.8.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 0.8.17 (tag claude-v0.8.17; CLI 0.8.2, API 0.7).
-FIRSTDRAFT_SKILLS_REVISION=7af937da11150b7368ce616674be27a44f069201
+# Shared Claude/Codex authoring Skill; exact source of plugin 0.9.0 (tag claude-v0.9.0; CLI 0.9.0, API 0.8).
+FIRSTDRAFT_SKILLS_REVISION=c083ff9ddc99af3c56f3f58ec995387a5f4e40ab
 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