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Garry TanandClaude Fable 5 1ae9aef999 fix(browse): adversarial-review hardening — 6 findings fixed, regression-pinned
Pre-push adversarial review (4 lenses, refute-style verification: 13 raw
findings, 7 refuted, 6 confirmed) caught these; each fix carries a pin:

1. --restrict=read (equals form) sailed past validatePairAgentFlags —
   hasFlag/parseFlag are exact-token matches — so the user asked for a
   read-only sandbox and silently got FULL access: the exact failure mode
   this branch claims to close. The equals form is now a hard error before
   any server work.
2. handleTunnel trimmed the agent name but clientIds are stored verbatim,
   so a space-padded agent was unrevocable by the documented kill switch
   (trimmed DELETE 404'd while the grant stayed live). Names now pass
   through verbatim; the live-daemon test revokes ' padded'.
3. The sole pin for "CLI always sends explicit scopes" passed vacuously on
   a simulated revert: toContain('DEFAULT_PAIR_SCOPES') was satisfied by a
   comment. The tripwire now matches the code shape with a regex and bans
   the conditional spread formatting-insensitively.
4. The rewritten 403 scope hint was unpinned — new e2e asserts it names
   --restrict and --control and never --admin.
5. tunnelRevoke's verify-failure and HTTP-error branches and tunnelAgents'
   unreadable-list branch had no coverage — three stub-daemon pins added
   (an unreadable list must never render as "No paired agents").
6. CHANGELOG claimed "40+ new test cases"; the honest count is 35.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
2026-08-20 04:29:07 +00:00
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