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usage: rewrite multi-agent workflows with o CLI

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Ollie Agent 2026-08-04 19:32:21 +02:00
parent 1a2ad14f6b
commit c9a773a04e
1 changed files with 31 additions and 23 deletions
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doc/usage.md
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@ -270,10 +270,11 @@ For long-lived parallel agents, create named sessions and pass prompts between
them via the filesystem:
```sh
printf 'name=writer\ncwd=%s\n' "$PWD" | o write session/new
printf 'name=reviewer\ncwd=%s\n' "$PWD" | o write session/new
o write prompt "Draft a design doc" # with session=writer agent={aname}
o tail # read writer's response
o write session/new "name=writer cwd=$PWD"
o write session/new "name=reviewer cwd=$PWD"
agent=$(o ls session/writer/agent | grep -v '^new$')
o write "session/writer/agent/$agent/prompt" "Draft a design doc"
o read "session/writer/agent/$agent/chat" # read writer's response
```
Key files per agent:
@ -300,39 +301,44 @@ workflow using named sessions and `statewait`:
#!/bin/sh
cwd=${1:?usage: $0 <cwd>}
printf 'name=developer\nagent=developer\ncwd=%s\n' "$cwd" | 9p write session/new
printf 'name=reviewer\nagent=reviewer\ncwd=%s\n' "$cwd" | 9p write session/new
printf 'name=tester\nagent=tester\ncwd=%s\n' "$cwd" | 9p write session/new
# Create named sessions with agent profiles
o write session/new "name=developer agent=developer cwd=$cwd"
o write session/new "name=reviewer agent=reviewer cwd=$cwd"
o write session/new "name=tester agent=tester cwd=$cwd"
# Discover agent names (first agent in each session)
agent_developer=$(o ls session/developer/agent | grep -v '^new$')
agent_reviewer=$(o ls session/reviewer/agent | grep -v '^new$')
agent_tester=$(o ls session/tester/agent | grep -v '^new$')
send() {
sid=$1; shift
exec 3< session/$sid/agent/{aname}/statewait
printf '%s' "$*" > session/$sid/agent/{aname}/prompt
while true; do
read -r _ <&3 && { exec 3<&-; break; }
exec 3<&-
[ "$(cat session/$sid/agent/{aname}/state)" != "idle" ] && break
exec 3< session/$sid/agent/{aname}/statewait
done
until [ "$(cat session/$sid/agent/{aname}/state)" = "idle" ]; do sleep 0.5; done
tail -c +$(($(cat session/$sid/agent/{aname}/offset) + 1)) session/$sid/agent/{aname}/chat
aname=$1; shift
# Open statewait, send prompt, wait for completion, read response
exec 3< <(o readloop "session/$sid/agent/$aname/statewait" &)
sleep 0.1
o write "session/$sid/agent/$aname/prompt" "$*"
until o read "session/$sid/agent/$aname/state" | grep -q idle; do sleep 0.5; done
exec 3<&-
offset=$(o read "session/$sid/agent/$aname/offset" | tr -d '[:space:]')
o read "session/$sid/agent/$aname/chat" | tail -c +$((offset + 1))
}
reply=$(send developer "Implement a function that parses a JSON config file.")
reply=$(send developer "$agent_developer" "Implement a function that parses a JSON config file.")
while true; do
review=$(send reviewer "Review the following code. Reply LGTM if ready, or PTAL with feedback.
review=$(send reviewer "$agent_reviewer" "Review the following code. Reply LGTM if ready, or PTAL with feedback.
$reply")
if ! printf '%s' "$review" | grep -qi "LGTM"; then
reply=$(send developer "Revise based on this feedback:
reply=$(send developer "$agent_developer" "Revise based on this feedback:
$review")
continue
fi
result=$(send tester "Test the following code. Reply Approved if all tests pass, or Rejected with details.
result=$(send tester "$agent_tester" "Test the following code. Reply Approved if all tests pass, or Rejected with details.
$reply")
@ -341,12 +347,14 @@ $reply")
break
fi
reply=$(send developer "Fix the following test failures:
reply=$(send developer "$agent_developer" "Fix the following test failures:
$result")
done
rm -r session/developer session/reviewer session/tester
o kill developer
o kill reviewer
o kill tester
```
The agents have no knowledge of each other — the script holds all the routing logic.