Fix #374 #376: --no-mcp-servers for workers + cached config#377
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Fix #374 #376: --no-mcp-servers for workers + cached config#377
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#374 (P0): Add --no-mcp-servers to Claude CLI argv so swarm workers don't inherit MCP servers and get blocked on tool permissions. This was the #1 cause of worker failures (success rate ~25%). #376 (P1): Cache config.loadDefault in a global (mutex + probed flag), matching the skills.zig pattern. Config read once from disk, reused for all resolveWithProbe calls. Eliminates N+2 file reads per swarm. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Two fixes found and applied by run_swarm self-review:
--no-mcp-serversadded to Claude CLI args so workers use built-in tools only. Fixes the tmp test issue #1 cause of worker failures.Buffered reader (#375) deferred — Zig 0.15 API changed, needs separate investigation.
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