Screenshot Directory Priority Implementation | Generated by AI

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Done. Here is a summary of the changes:

Priority for screenshot save directory:

1. SCREENSHOT_DIR from .env (global config) – checked first
2. [dir] CLI argument – fallback if no env config
3. . (current dir) for macOS, assets/screenshots for Linux – final default

Files changed:

• /Users/lzwjava/projects/ww/ww/image/screenshot.py – Added load_dotenv(), reads SCREENSHOT_DIR env var first, then falls back to CLI [dir], then .. Resolution: env_dir or cli_dir or "."
• /Users/lzwjava/projects/ww/ww/image/screenshot_linux.py – Moved all module-level code inside main(), added load_dotenv(), reads SCREENSHOT_DIR with fallback to assets/screenshots. Resolution: env_dir or "assets/screenshots"
• /Users/lzwjava/projects/ww/.env – Added SCREENSHOT_DIR= config entry (currently empty, meaning use defaults)
• /Users/lzwjava/projects/ww/ww/main.py – Updated help text to mention SCREENSHOT_DIR
• /Users/lzwjava/projects/ww/README.md – Updated docs

To use it, set SCREENSHOT_DIR in your .env, e.g.:

SCREENSHOT_DIR=/Users/lzwjava/projects/jekyll-ai-blog/assets/screenshots

If empty or unset, the old behavior is preserved (. for macOS, assets/screenshots for Linux, or whatever you pass as [dir]).

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