Behruz Nassre Esfahani 6bbd8919d5 fix(#1400): flush agent-skills block via writeAllSync instead of process.exit(0) ...

cmdAgentSkills' plain (non-JSON) path wrote the <agent_skills> block with
process.stdout.write then immediately called process.exit(0). stdout.write is
async on pipes/files, so on Windows the process tore down before Node flushed
the buffer — the workflows' `$(gsd_run query agent-skills <type>)` capture
received 0 bytes and every ${AGENT_SKILLS_*} substitution expanded empty,
silently dropping configured per-agent skills.

Route the plain path through the existing synchronous output() helper
(writeAllSync, src/io.cts) + return — the same flush-safe mechanism the --json
branch already uses — instead of write + process.exit(0).

Adds a #1400 regression block to tests/agent-skills.test.cjs that captures
stdout via a real file descriptor and asserts the block is non-empty and
byte-identical to the --json .block.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

2026-06-20 16:49:18 -07:00

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