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maogeigei f1f6288b7b refactor(skill): 主技能 subskill 目录更名 subskills（09-02 用户要求）

- V1.0/subskill/ → V1.0/subskills/（browser-harness/mcn-dou-analysis/mcn-script-review/mcn-video-prompt，git 识别 R100 纯重命名保留历史）
- 路径说明同步：V1.0/SKILL.md（96/105行）、Lite1.0/SKILL.md（66行）、mcn-dou-analysis/SKILL.md 红线行、操作规范.md 159/175行、mcn-work-shop app.js SKILL_HINT_ACCOUNT
- 用户环境 ~/.workbuddy/skills/短视频脚本创作/ 与源仓库 V1.0 同 inode（junction），自动同步无需单独改
- mcn-dou-analysis 内部 subskills/nuwa-skill-main 为正常结构不受影响

2026-09-02 10:36:23 +08:00

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Tabs

Use CDP for control, UI automation for user-visible order.

Pure CDP (portable: macOS / Linux / Windows)

tabs = list_tabs()                    # includes chrome:// pages too
real_tabs = list_tabs(include_chrome=False)
tid = new_tab("https://example.com")  # create + attach
switch_tab(tid)                       # attach harness to tab
cdp("Target.activateTarget", targetId=tid)  # show it in Chrome
print(current_tab())
print(page_info())

What CDP is good at:

attach to a tab
open a tab
activate a known target
inspect URL/title/viewport
capture the attached tab's screenshot even if another tab is visibly frontmost

What CDP is bad at:

matching the left-to-right tab strip order the user sees
telling whether the attached target is an omnibox popup / internal page without URL filtering

Visible order (platform UI)

macOS

tell application "Google Chrome"
  set out to {}
  set i to 1
  repeat with t in every tab of front window
    set end of out to {tab_index:i, tab_title:(title of t), tab_url:(URL of t)}
    set i to i + 1
  end repeat
  return out
end tell

tell application "Google Chrome"
  set active tab index of front window to 2
  activate
end tell

Linux

No AppleScript. Same split still applies:

use CDP for new_tab, attach, inspect, activate known targets
use window-manager / browser UI automation when the user means visible order

Typical tools:

xdotool
wmctrl
desktop-environment scripting (gdbus, KWin, GNOME Shell extensions, etc.)

Rules that held up in practice

switch_tab() is not enough if the user expects Chrome to visibly change.
Target.activateTarget is the CDP-side "show this tab".
list_tabs() includes chrome://newtab/ by default; ask for include_chrome=False when you want only real pages.
chrome://omnibox-popup.top-chrome/ can appear as a fake page target; ignore it for user-facing tab lists.
If a page has w=0 h=0, you may be attached to the wrong target or a non-window surface.
For dynamic UIs, re-read element rects after opening dropdowns / modals before coordinate-clicking.

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