Hand-written docs and the generated per-skill mirror pages now show the same
scratch locations the skills and prompts do (~/.hermes/cache/scratch,
$TMPDIR, $HOME/.hermes/cache/scratch/<throwaway-home>) instead of /tmp, and
examples that only needed a placeholder use /path/to/... The mirror pages were
updated in place rather than regenerated: regenerating from the current sources
produces a 200-file unrelated diff (Windows backslash paths, removed skills).
Literals that describe /tmp itself stay and carry a no-tmp marker: the
sandbox tmpfs configuration, the disk-cleanup plugin's scope, the WSL feature
list, the terminal.temp_dir rationale, the Nix container's writable layer and
the Docker Compose in-container pulse-cookie path. One tree-listing line in
nix-setup.md stays unmarked (a marker would render inside the code block).
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