feat: show channel monitor health

README.md

@@ -19,13 +19,15 @@ uv tool install git+https://gitea.shujk.top/shujakuin/shusub2.git
 shusub2 --api-url https://example.com/api/tui/accounts
 ```
 
-Configure a default API URL for `shusub2`:
+Configure default API and optional status URLs for `shusub2`:
 
 ```bash
 mkdir -p ~/.config/shusub2
 chmod 700 ~/.config/shusub2
 printf '%s\n' 'https://example.com/api/tui/accounts' > ~/.config/shusub2/api-url
+printf '%s\n' 'https://example.com/api/status' > ~/.config/shusub2/status-url
 chmod 600 ~/.config/shusub2/api-url
+chmod 600 ~/.config/shusub2/status-url
 shusub2
 ```
 
@@ -34,6 +36,8 @@ Environment variables override the config file:
 - `SHUSUB2_API_URL`
 - `SUB2API_QUOTA_TUI_API_URL`
 - `SHUSUB2_API_URL_FILE`
+- `SHUSUB2_STATUS_URL`
+- `SHUSUB2_STATUS_URL_FILE`
 
 ## Local Development
 
@@ -52,11 +56,13 @@ zellij action new-pane --name sub2api-quota -- \
 Configuration:
 
 - `--api-url` / `SUB2API_QUOTA_TUI_API_URL`
+- `--status-url` / `SHUSUB2_STATUS_URL`
 - `--refresh-seconds` / `SUB2API_QUOTA_TUI_REFRESH_SECONDS`
 - `--timeout` / `SUB2API_QUOTA_TUI_TIMEOUT`
 
-The TUI reads only `/api/tui/accounts`; it does not need SSH, database access,
-API keys, OAuth credentials, or plaintext env files.
+The TUI reads `/api/tui/accounts` and can optionally read `sub2api-status`
+`/api/status` for channel monitor health. It does not need SSH, database
+access, API keys, OAuth credentials, or plaintext env files.
 
 Columns are ordered for scanning inside zellij:
 
@@ -73,3 +79,7 @@ Name | Provider | Group | Daily | Today | Tokens | Req | Kind | 5h | 7d | Reset
 `Group` is the derived Sub2API tier alias group. Higher tiers win when multiple
 aliases exist: `id < slow < fast < sfast`. The table shows `sfast` first, then
 `fast`, `slow`, `id`, and ungrouped accounts.
+
+When `--status-url` is configured, the status line shows channel monitor
+health, and the selected account detail shows the matching monitor status when
+one exists.