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Paul BakausandClaude Fable 5.1
ed50cc5ea0
Upstream sha f2f9958be1e6a4ecb1fbd5ef1ae1b7d9c53e0d24 (Fix: fail URL scans when the browser is unavailable). `detect` gains an operational-failure flag. Exit 1 now means at least one requested target could not be scanned, and it takes precedence over exit 2, because findings from the targets that did scan do not turn a partial scan into a complete one. The flag is set by an unreachable path, an unreadable directory or file in a dir walk, a per-file scan that throws, a URL scan that throws, and a shared-browser setup failure. - `walk_dir_reporting` and `build_import_graph_reporting` take a read-error callback; the plain wrappers stay for callers that do not report. A file the graph could not read is skipped for the scan too. - `SharedBrowser::ensure_launched` is the eager half of `createBrowserDetector()`: the CLI brings the browser up before the loop so a launch failure prints one `Error:` line and every URL target is skipped, instead of the lazy launch reporting once per URL. - The static engine and the text path spell a permission failure the way Node does (`EACCES: permission denied, open '<path>'`), which is what `Error: cannot scan <target>: <message>` prints. - Usage text and docs/CLI-CONTRACT.md carry the exit-status block. Verified against origin/main's JS: missing target, missing target alongside a flagging file, unreadable file, unreadable file beside a readable sibling, unreadable directory, unreadable nested directory, a clean scan, and a browser-unavailable scan of one and of two URLs all agree on exit code, stdout and stderr (the browser-not-found wording is the pre-existing puppeteer-vs-discovery difference). Oracle: `detect-missing-file` and `detect-missing-file-json` re-recorded at exit 1, plus new `detect-missing-file-with-findings`, `detect-unreadable-file-json` and `detect-unreadable-file-in-dir`, each cross-checked against origin/main. `detect-help` carries the new block. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01Vau2X53xGTjjTCXWMVBoNY