diff --git a/.agents/skills/committing-actual-changes b/.agents/skills/committing-actual-changes
new file mode 120000
index 0000000000..ad9c1ea7d5
--- /dev/null
+++ b/.agents/skills/committing-actual-changes
@@ -0,0 +1 @@
+../../.claude/skills/committing-actual-changes
\ No newline at end of file
diff --git a/.agents/skills/review-actual-pr b/.agents/skills/review-actual-pr
new file mode 120000
index 0000000000..a967fbc7ab
--- /dev/null
+++ b/.agents/skills/review-actual-pr
@@ -0,0 +1 @@
+../../.claude/skills/review-actual-pr
\ No newline at end of file
diff --git a/.agents/skills/writing-actual-docs b/.agents/skills/writing-actual-docs
new file mode 120000
index 0000000000..d7544c9123
--- /dev/null
+++ b/.agents/skills/writing-actual-docs
@@ -0,0 +1 @@
+../../.claude/skills/writing-actual-docs
\ No newline at end of file
diff --git a/.agents/skills/writing-release-notes b/.agents/skills/writing-release-notes
new file mode 120000
index 0000000000..798a677021
--- /dev/null
+++ b/.agents/skills/writing-release-notes
@@ -0,0 +1 @@
+../../.claude/skills/writing-release-notes
\ No newline at end of file
diff --git a/.codex/config.toml b/.codex/config.toml
index 890672ea71..468cb499ac 100644
--- a/.codex/config.toml
+++ b/.codex/config.toml
@@ -1,8 +1,10 @@
 # Codex project hooks for actualbudget/actual.
 #
 # Codex discovers project config by walking up to the .git root, so this file
-# applies to the whole repo. The hook scripts are shared with Claude Code and
-# Cursor (see scripts/agent-hooks/). Codex's Bash hook is Claude-compatible
+# applies to the whole repo — and to every Codex surface: the Codex CLI, the
+# Codex IDE extension, and the ChatGPT desktop app all read the same config
+# layers. The hook scripts are shared with Claude Code and Cursor (see
+# scripts/agent-hooks/). Codex's Bash hook is Claude-compatible
 # (tool_input.command), so the git guard is reused directly; exit code 2 + stderr
 # blocks the call.
 #
@@ -13,7 +15,21 @@
 # Bash/git guard and the Stop check work regardless. The file hooks are fully
 # effective under Claude Code and Cursor.
 #
-# Non-managed hooks must be trusted once via `/hooks` in the Codex CLI.
+# For hooks to run (any surface, including the ChatGPT desktop app):
+#   1. Lifecycle hooks must be enabled — done by the [features] flag below.
+#   2. The project's .codex/ layer must be trusted. An untrusted project skips
+#      this whole file (hooks included), silently.
+#   3. Each non-managed hook must be trusted once via `/hooks` (hash-pinned, so
+#      editing a hook re-requires trust). Trust is recorded in shared Codex
+#      state, so trusting via the CLI also covers the desktop app and IDE.
+#
+# Repo skills for Codex surfaces are mirrored in .agents/skills/ (symlinks to
+# .claude/skills/) — Codex scans .agents/skills, not .claude/skills.
+
+# Lifecycle hooks are feature-flagged; enable them for this project so all
+# surfaces run the [hooks] tables below once the layer is trusted.
+[features]
+lifecycle_hooks = true
 
 # Block unsafe git/workspace commands ([AI] prefix, --no-verify, force-push,
 # push-to-main, git config writes, yarn-from-a-workspace).
diff --git a/AGENTS.md b/AGENTS.md
index 53b72f04bc..2e6c0da0a3 100644
--- a/AGENTS.md
+++ b/AGENTS.md
@@ -349,6 +349,10 @@ describe('ComponentName', () => {
 - `/.nano-staged.json` - pre-commit format/lint config (run via Husky)
 - `/.claude/settings.json`, `/.codex/config.toml`, `/.cursor/hooks.json` - agent
   hook wiring; shared scripts live in `/scripts/agent-hooks/`
+- `/.agents/skills/` - symlink mirror of `/.claude/skills/` so Codex-based
+  harnesses (Codex CLI, IDE extension, ChatGPT desktop app) discover the same
+  skills; when adding a skill, create it in `/.claude/skills/` and add a
+  matching relative symlink here
 - `/tsconfig.json` - Root TypeScript configuration
 - `/.cursorignore`, `/.gitignore` - Ignored files
 - `/yarn.lock` - Dependency lockfile (Yarn 4)
diff --git a/knip.json b/knip.json
index aafdda2e2b..50b3b76e52 100644
--- a/knip.json
+++ b/knip.json
@@ -11,7 +11,7 @@
   "workspaces": {
     ".": {
       "entry": ["bin/*.mts"],
-      "ignore": ["lage.config.js", ".claude/**"]
+      "ignore": ["lage.config.js", ".claude/**", ".agents/**"]
     },
     "packages/api": {
       "entry": ["index.browser.ts", "browser-worker.ts", "e2e/**/*.{ts,mjs}"],
diff --git a/upcoming-release-notes/chatgpt-desktop-agent-hooks.md b/upcoming-release-notes/chatgpt-desktop-agent-hooks.md
new file mode 100644
index 0000000000..ba729a0b97
--- /dev/null
+++ b/upcoming-release-notes/chatgpt-desktop-agent-hooks.md
@@ -0,0 +1,6 @@
+---
+category: Maintenance
+authors: [MatissJanis]
+---
+
+Make Codex-based agent harnesses (ChatGPT desktop app, Codex CLI/IDE) run the repo agent hooks and discover the shared skills