Add Rubber Duck 2.0 pet

Author: gennadi-kuzmin

README.md

@@ -4,7 +4,7 @@ A curated hub and installable pet pack for custom Codex `/pet` companions.
 
 Install original Codex pets, inspect the pet contract, and suggest the next tiny agent companion.
 
-> Four pets ready: **Terminal Ghost**, **Review Owl**, **Bug Hunter**, and **Bug Searcher**.
+> Five pets ready: **Terminal Ghost**, **Review Owl**, **Bug Hunter**, **Bug Searcher**, and **Rubber Duck 2.0**.
 
 [![Terminal Ghost idle animation](pets/terminal-ghost/preview/idle.gif)](pets/terminal-ghost)
 
@@ -35,6 +35,7 @@ Codex pets are delightful, but the ecosystem is still young. This repo is a fast
 | [Review Owl](pets/review-owl) | [<img src="pets/review-owl/preview/idle.gif" alt="Review Owl idle animation" width="96">](pets/review-owl) | [`cp -R pets/review-owl ~/.codex/pets/`](pets/review-owl) | Installable |
 | [Bug Hunter](pets/bug-hunter) | [<img src="pets/bug-hunter/preview/idle.gif" alt="Bug Hunter idle animation" width="96">](pets/bug-hunter) | [`cp -R pets/bug-hunter ~/.codex/pets/`](pets/bug-hunter) | Installable |
 | [Bug Searcher](pets/bug-searcher) | [<img src="pets/bug-searcher/preview/idle.gif" alt="Bug Searcher idle animation" width="96">](pets/bug-searcher) | [`cp -R pets/bug-searcher ~/.codex/pets/`](pets/bug-searcher) | Installable |
+| [Rubber Duck 2.0](pets/rubber-duck-2-0) | [<img src="pets/rubber-duck-2-0/preview/idle.gif" alt="Rubber Duck 2.0 idle animation" width="96">](pets/rubber-duck-2-0) | [`cp -R pets/rubber-duck-2-0 ~/.codex/pets/`](pets/rubber-duck-2-0) | Installable |
 
 Click a pet preview to open its folder, animation catalog, and install notes.
 

pets/rubber-duck-2-0/README.md

@@ -0,0 +1,42 @@
+# Rubber Duck 2.0
+
+A debugging duck upgraded into a suspiciously helpful AI coding assistant.
+
+![Rubber Duck 2.0 idle animation](preview/idle.gif)
+
+## Animation Catalog
+
+| Idle | Running Right | Running Left |
+| --- | --- | --- |
+| <img src="preview/idle.gif" alt="Rubber Duck 2.0 idle animation" width="112"> | <img src="preview/running-right.gif" alt="Rubber Duck 2.0 running right animation" width="112"> | <img src="preview/running-left.gif" alt="Rubber Duck 2.0 running left animation" width="112"> |
+
+| Waving | Jumping | Failed |
+| --- | --- | --- |
+| <img src="preview/waving.gif" alt="Rubber Duck 2.0 waving animation" width="112"> | <img src="preview/jumping.gif" alt="Rubber Duck 2.0 jumping animation" width="112"> | <img src="preview/failed.gif" alt="Rubber Duck 2.0 failed animation" width="112"> |
+
+| Waiting | Running | Review |
+| --- | --- | --- |
+| <img src="preview/waiting.gif" alt="Rubber Duck 2.0 waiting animation" width="112"> | <img src="preview/running.gif" alt="Rubber Duck 2.0 running animation" width="112"> | <img src="preview/review.gif" alt="Rubber Duck 2.0 review animation" width="112"> |
+
+The full Codex install asset is [`spritesheet.webp`](spritesheet.webp). The GIFs are only human-friendly previews for GitHub.
+
+## Install
+
+Copy this folder to:
+
+```text
+~/.codex/pets/rubber-duck-2-0/
+```
+
+Then open Codex App, go to `Settings > Appearance > Pets`, refresh custom pets, select `Rubber Duck 2.0`, and type `/pet`.
+
+## Brief
+
+Rubber Duck 2.0 is a classic debugging duck upgraded with a headset, PR badge, patch card, and suspiciously helpful AI-assistant energy.
+
+## States
+
+- Idle: looks confidently helpful.
+- Running: waddles with overconfident assistant energy.
+- Waiting: watches like it already knows the answer.
+- Review: judges the patch with a smug little stare.

pets/rubber-duck-2-0/pet.json

@@ -0,0 +1,6 @@
+{
+  "id": "rubber-duck-2-0",
+  "displayName": "Rubber Duck 2.0",
+  "description": "A debugging duck upgraded into a suspiciously helpful AI coding assistant.",
+  "spritesheetPath": "spritesheet.webp"
+}