feat(xce-test-cli-ux): add process-level help/version discovery

argp already provided --help/-?/--version with exit-without-REPL
behavior, but had no -h alias (its default short help flag is -? per
GNU argp convention) despite Requirement 4.1 naming -h explicitly.
Added a hidden -h option triggering the same help path, and extended
the doc string to describe the in-session help command. Proven against
the real compiled binary via subprocess tests, not just argp's own
in-process behavior. 1289/1289 controller suite passing (+4).

Task 1.6 of .kiro/specs/xce-test-cli-ux/tasks.md.
Requirements: 4.1, 4.2, 4.3

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019jaMf9QEwpugH2W9KAuc7f
This commit is contained in:
Rongsong Shen 2026-09-09 10:34:41 +00:00
parent 204f81d134
commit b70228c558
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5 changed files with 270 additions and 2 deletions

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@ -74,6 +74,7 @@ extern void test_rcfile(void);
extern void test_flagspec(void);
extern void test_xcetest_interrupt(void);
extern void test_interruptcall(void);
extern void test_xcetest_process_entry(void);
extern void test_drive_async_config(void);
extern void test_slowlane(void);
extern void test_commit_admission_pool(void);
@ -257,6 +258,7 @@ int main(int argc, char* argv[])
TEST(test_flagspec);
TEST(test_xcetest_interrupt);
TEST(test_interruptcall);
TEST(test_xcetest_process_entry);
TEST(test_drive_async_config);
TEST(test_slowlane);
TEST(test_commit_admission_pool);