Merge pull request #84 from however-yir/docs-fix-62-80

docs: fix video --download example and clarify auth credential locations

Author: RyanLee-Dev

README.md

@@ -82,8 +82,8 @@ mmx image generate --prompt "Logo" --out-dir ./out/
 ### `mmx video`
 
 ```bash
-mmx video generate --prompt "Ocean waves at sunset" --async
-mmx video generate --prompt "A robot painting" --download sunset.mp4
+mmx video generate --prompt "Ocean waves at sunset" --download sunset.mp4
+mmx video generate --prompt "A robot painting" --async
 mmx video task get --task-id 123456
 mmx video download --file-id 176844028768320 --out video.mp4
 ```
@@ -137,6 +137,10 @@ mmx auth refresh
 mmx auth logout
 ```
 
+`mmx auth status` is the canonical way to verify active authentication.
+`~/.mmx/credentials.json` exists only for OAuth login. API-key login persists to
+`~/.mmx/config.json` (and `--api-key` can also be passed per command).
+
 ### `mmx config` · `mmx quota`
 
 ```bash

README_CN.md

@@ -82,8 +82,8 @@ mmx image generate --prompt "山水画" --out-dir ./output/
 ### `mmx video`
 
 ```bash
-mmx video generate --prompt "海浪拍打礁石" --async
-mmx video generate --prompt "机器人作画" --download sunset.mp4
+mmx video generate --prompt "海浪拍打礁石" --download sunset.mp4
+mmx video generate --prompt "机器人作画" --async
 mmx video task get --task-id 123456
 mmx video download --file-id 176844028768320 --out video.mp4
 ```
@@ -137,6 +137,10 @@ mmx auth refresh
 mmx auth logout
 ```
 
+请使用 `mmx auth status` 作为认证状态的权威检查方式。`~/.mmx/credentials.json`
+只在 OAuth 登录时存在；API Key 登录会写入 `~/.mmx/config.json`（也可每次通过
+`--api-key` 直接传入）。
+
 ### `mmx config` · `mmx quota`
 
 ```bash

skill/SKILL.md

@@ -13,9 +13,12 @@ Use `mmx` to generate text, images, video, speech, music, and perform web search
 # Install
 npm install -g mmx-cli
 
-# Auth (persisted to ~/.mmx/credentials.json)
+# Auth (OAuth persists to ~/.mmx/credentials.json, API key persists to ~/.mmx/config.json)
 mmx auth login --api-key sk-xxxxx
 
+# Verify active auth source
+mmx auth status
+
 # Or pass per-call
 mmx text chat --api-key sk-xxxxx --message "Hello"
 ```