refactor(skills): rename sideload plugin skill

codex-rs/skills/src/assets/samples/plugin-creator/SKILL.md

@@ -56,7 +56,7 @@ python3 .agents/skills/plugin-creator/scripts/create_basic_plugin.py my-plugin -
   author, homepage, repository, license, keywords, and interface fields from explicit user input
   or strong repo context; when that evidence is missing, ask the user for the value instead of
   inventing one.
-- For local testing after scaffold creation, use `plugin-sideload`; it installs the plugin into the temporary `$CODEX_HOME/plugins/cache` development cache.
+- For local testing after scaffold creation, use `sideload-plugin`; it installs the plugin into the temporary `$CODEX_HOME/plugins/cache` development cache.
 - Creates or updates `<repo-root>/.agents/plugins/marketplace.json` when `--with-marketplace` is set.
   - If the marketplace file does not exist yet, seed top-level `name` plus `interface.displayName` placeholders before adding the first plugin entry.
 - `<plugin-name>` is normalized using skill-creator naming rules:

codex-rs/skills/src/assets/samples/plugin-creator/agents/openai.yaml

@@ -1,6 +1,6 @@
 interface:
   display_name: "Plugin Creator"
   short_description: "Scaffold plugins and marketplace entries"
-  default_prompt: "Use $plugin-creator to scaffold a plugin with placeholder plugin.json, optional structure, and a marketplace.json entry. Fill metadata from explicit user input or strong local context, and ask rather than guess when values are unknown. Use $plugin-sideload next when the user wants to install the local plugin into the temporary Codex cache for testing."
+  default_prompt: "Use $plugin-creator to scaffold a plugin with placeholder plugin.json, optional structure, and a marketplace.json entry. Fill metadata from explicit user input or strong local context, and ask rather than guess when values are unknown. Use $sideload-plugin next when the user wants to install the local plugin into the temporary Codex cache for testing."
   icon_small: "./assets/plugin-creator-small.svg"
   icon_large: "./assets/plugin-creator.png"

codex-rs/skills/src/assets/samples/sideload-plugin/SKILL.md

@@ -1,9 +1,9 @@
 ---
-name: plugin-sideload
+name: sideload-plugin
 description: Install a local Codex plugin into the temporary local Codex plugin cache for development and testing. Use after plugin-creator or when a user asks to try, reinstall, refresh, or test a local plugin in Codex without publishing it.
 ---
 
-# Plugin Sideload
+# Sideload Plugin
 
 Use this skill to copy a local plugin into Codex's local plugin cache so it can be tested in the current Codex installation.
 
@@ -14,13 +14,13 @@ This is a development workflow. The plugin cache is temporary runtime state unde
 Install a local plugin source directory into the dev marketplace cache and enable it:
 
 ```bash
-python3 .agents/skills/plugin-sideload/scripts/install_plugin_to_cache.py <plugin-path>
+python3 .agents/skills/sideload-plugin/scripts/install_plugin_to_cache.py <plugin-path>
 ```
 
 On Windows, run the same script with the Python launcher or `python`:
 
 ```powershell
-py -3 .agents\skills\plugin-sideload\scripts\install_plugin_to_cache.py <plugin-path>
+py -3 .agents\skills\sideload-plugin\scripts\install_plugin_to_cache.py <plugin-path>
 ```
 
 The script:
@@ -41,31 +41,31 @@ Restart Codex after installation so the refreshed plugin cache and enabled plugi
 Reinstall after editing plugin files:
 
 ```bash
-python3 .agents/skills/plugin-sideload/scripts/install_plugin_to_cache.py <plugin-path>
+python3 .agents/skills/sideload-plugin/scripts/install_plugin_to_cache.py <plugin-path>
 ```
 
 Use a custom marketplace namespace:
 
 ```bash
-python3 .agents/skills/plugin-sideload/scripts/install_plugin_to_cache.py <plugin-path> --marketplace debug
+python3 .agents/skills/sideload-plugin/scripts/install_plugin_to_cache.py <plugin-path> --marketplace debug
 ```
 
 Install to a specific cache version:
 
 ```bash
-python3 .agents/skills/plugin-sideload/scripts/install_plugin_to_cache.py <plugin-path> --version local
+python3 .agents/skills/sideload-plugin/scripts/install_plugin_to_cache.py <plugin-path> --version local
 ```
 
 Install without modifying `$CODEX_HOME/config.toml`:
 
 ```bash
-python3 .agents/skills/plugin-sideload/scripts/install_plugin_to_cache.py <plugin-path> --no-enable
+python3 .agents/skills/sideload-plugin/scripts/install_plugin_to_cache.py <plugin-path> --no-enable
 ```
 
 Use a non-default Codex home:
 
 ```bash
-python3 .agents/skills/plugin-sideload/scripts/install_plugin_to_cache.py <plugin-path> --codex-home <path>
+python3 .agents/skills/sideload-plugin/scripts/install_plugin_to_cache.py <plugin-path> --codex-home <path>
 ```
 
 ## Behavior
@@ -89,7 +89,7 @@ Use `plugin-creator` or a real marketplace workflow when the goal is to publish,
 After changing the script, run a smoke test with a temporary Codex home:
 
 ```bash
-python3 codex-rs/skills/src/assets/samples/plugin-sideload/scripts/install_plugin_to_cache.py \
+python3 codex-rs/skills/src/assets/samples/sideload-plugin/scripts/install_plugin_to_cache.py \
   <plugin-path> \
   --codex-home <temporary-codex-home>
 ```

codex-rs/skills/src/assets/samples/sideload-plugin/agents/openai.yaml

@@ -1,4 +1,4 @@
 interface:
-  display_name: "Plugin Sideload"
+  display_name: "Sideload Plugin"
   short_description: "Install local plugins into the temporary Codex cache"
-  default_prompt: "Use $plugin-sideload to install a local plugin into the temporary Codex plugin cache for development testing."
+  default_prompt: "Use $sideload-plugin to install a local plugin into the temporary Codex plugin cache for development testing."