* refactor: make --full/-f a command-level flag instead of global
Move --full/-f from global flags (parsed in flags.rs) to command-level
parsing in commands.rs, scoped to the three commands that actually use
it: `screenshot`, `diff screenshot`, and `diff url`.
This frees up `-f` for other commands (e.g. `--follow` on
`console`/`errors`, see #867) and better reflects that full-page
capture is not a global concern.
Changes:
- Remove `full` from Flags struct, Config struct, and global flag parsing
- Remove `--full`/`-f` from clean_args global boolean flags list
- Parse `--full`/`-f` inline in `screenshot` command handler
- Accept `-f` shorthand in `diff screenshot` and `diff url` (previously
only `--full` was accepted at command level)
- Remove fallback from global `flags.full` in diff subcommands
- Update tests to pass --full as a command argument rather than a global flag
Fixes#876
* fix: remove stale AGENT_BROWSER_FULL env var from help and add -f shorthand tests
- Remove AGENT_BROWSER_FULL from help text in output.rs since the env
var is no longer read after moving --full to command-level parsing
- Add test_screenshot_full_page_shorthand to verify screenshot -f works
- Add test_diff_screenshot_command_full_flag_shorthand to verify
diff screenshot -f works
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Co-authored-by: ctate <366502+ctate@users.noreply.github.com>
