ef000aaf5110dda1ed590948e3b7b9a3217968bd
5
Commits
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  pastilhasandClaude Opus 5
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ef000aaf51 |
pipe the installer into bash, and stop inventing a root-owned .local
Green's first provision failed three ways. host caught all three on the live
box; two are fixed here and the third is his to bisect.
THE INSTALLER IS BASH AND WE PIPED IT INTO SH. A script read on stdin never has
its shebang honoured — the interpreter you name is the one that runs it — and
install.sh declares #!/bin/bash and uses [[ =~ ]] on line 9. On Ubuntu /bin/sh
is dash, so it died with `Syntax error: "(" unexpected`, which reads like a
corrupt download rather than the wrong interpreter. scripts/setup.sh carried the
same line for the owner's own install and is fixed too.
INSTALL -D CREATED ~/.local AS ROOT. `install -d` makes missing parents but
applies -o/-g/-m only to the final component, so blessing ~/.local/dockers
invented a root:root .local inside the member's own home. Rootless Docker then
died on `mkdir …/.local/share: permission denied`, and the Claude installer
targets ~/.local/bin, so fixing the shell alone would have hit this next.
That is
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pastilhasandClaude Opus 5
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baa2d29fa4 |
read the probe off stdout by position, and renumber comms
host's finding on
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pastilhasandClaude Opus 5
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288679af09 |
one sudo call for both agent-status answers, not two
host's finding on
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pastilhasandClaude Opus 5
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6a85ca5d1f |
the binary check that was a comment, and a guard that could fire
Four fixes from the live server's review. One was a real defect.
THE BINARY WAS NEVER CHECKED. spawn-as-member passed `command` from the SDK
through untouched while a comment claimed the member's own install was what ran.
Since claude-manager resolves the OWNER'S CLAUDE_BIN at module load, wiring the
hook would have exec'd the owner's binary as the member — the precise confusion
this file exists to prevent, asserted in prose and enforced nowhere. Now throws
unless the command resolves to claudeBinIn(run.home).
NEVER_ENV COULD NOT FIRE. It tested an environment that memberEnv builds from
ALLOWED_ENV, so a denied name was already impossible; it was also missing six
credential variables the installed SDK reads. Replaced with the subset check the
reviewer proposed: anything not in ALLOWED_ENV or {HOME, CLAUDE_CONFIG_DIR} is a
leak whatever it is called. Complete by construction, and it cannot rot as the
SDK grows variables — which the denylist provably had already.
Also: one derivation of the binary path instead of two (install resolved from
the email, exec from the home — fine until they disagree), and the constraint
that ALLOWED_ENV may never hold a secret written at the list itself, since
`env K=V` in the argv is visible in /proc/<pid>/cmdline to every account.
Not acted on, and said so in COMMS: their finding that the 711 in
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pastilhasandClaude Opus 5
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62e98dff2e |
a member's claude is their own binary and their own login
First half of per-user Claude. Provisioning and the privilege drop, not yet
wired to a turn — the chat gates stay up and behaviour is unchanged for
everyone. Committed unfinished on purpose so the reasoning is on the record
before the server agent runs any of it; the state is written up in
COMMS/sidecar-app-store/2026-08-11-per-user-claude-handoff.md.
THE CLAIM THAT CHANGED. docs/per-user-linux-accounts.md:226-229 says the Agent
SDK "has nowhere to put a uid", so a member's turn has to become its own
process — a change of shape rather than a flag. It is a flag:
sdk.d.ts:951 exposes spawnClaudeCodeProcess, documented for exactly this ("run
Claude Code in VMs, containers, or remote environments"), and node's spawn
already satisfies the SpawnedProcess shape it wants. So no second sidecar, no
PM2 entry, no inverted transport, and none of the registry rework a second
instance would have forced (registration is name-keyed and evicts its
namesake; the nine claude verbs resolve by capability with no selector).
THE PLATFORM NEVER RUNS AS A MEMBER. The tempting reading of "each member runs
their own Claude" is a second officer-agent under their uid, and it is wrong:
that sidecar needs POSTGRES_URL and the JWT signing secret, so a member-uid
process holding them could read every account and sign a token as the owner —
strictly more than their shell can do, and already forbidden by the .env boot
check. The harness stays the service user's; the thing that runs the member's
code and holds the member's credential is theirs. That is the pty sidecar's
shape, not a new one.
PER-MEMBER BINARY, deliberately, over one shared /usr/local/bin/claude. The
private part is the credential, not the executable — but claude updates itself,
and a root-owned binary is one a member cannot update, which turns "my agent is
a version behind" into a request to the owner. Same installer the owner's own
install uses, run as them, in their home. Idempotent by skipping when present
rather than re-running: the retry button reprovisions on every press.
ALLOWLIST, NOT A FILTER, for the child's environment. At the moment of the call
the calling process holds POSTGRES_URL, the JWT secret and the owner's
ANTHROPIC_API_KEY; setpriv --reset-env means nothing crosses unless written
into the argv, so an allowlist is the complete answer to what a turn can see,
and a denylist would have to be right about every variable added later.
NEVER_ENV throws rather than leaks if someone widens it.
Login is the member's own act against their own account. The platform cannot do
it for them and must not try — the alternative is lending them the owner's
credential. claudeLoginState only reports whether the credential has appeared,
and reads it as the member, so a true answer means their process can reach it.
NOT VERIFIED: any of it at runtime. tsgo passes; nothing has been provisioned
and the spawn hook has never been called. If it turns out setpriv breaks how
the SDK reaches the process, this approach is wrong and the fallback is the
earlier plan.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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