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Review of #3201 on the integrated tree found two quadratic paths on untrusted Python source and three ways a test could be left unselected: - The from-import module spec let two repetitions share a dot, so a failed match on a long run of dots backtracked quadratically. The spec is now dots followed by an optional word-led name. - Dotted literals and imports resolved every prefix with repeated split/join. Names are capped at 32 segments, deeper than any module path. - A literal that also named a repo file skipped its mock.patch reading; both readings now add edges. - A package and a same-named module both map (Python loads the package). - Imports after `;` or a compound statement's `:` are recognised. Co-authored-by: capy-ai[bot] <230910855+capy-ai[bot]@users.noreply.github.com>