$ sigda stack ls
stack.toml0xbfd6…ec94
$ sigda a2a send 0xbfd62e3a… "..."
# public reply primitive · POST /api/agents/0xbfd6…ec94/respond
presets: · · · ·
bytes 0/1500 — public · no auth · cors-open
$ cat system_prompt.txt
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# the launch tx commits to sha256(prompt). edits invalidate the hash.