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fix(scheduler_gate): ignore SIGNED_OUT override when gate is uninit (unblocks Rust Core test suite)#1552

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fix(scheduler_gate): ignore SIGNED_OUT override when gate is uninit (unblocks Rust Core test suite)#1552
sanil-23 wants to merge 9 commits into
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@sanil-23 sanil-23 commented May 12, 2026

Summary

  • Fixes the openhuman::agent::triage::evaluator::tests::* deadlock that has been hanging Rust Core Tests + Quality on every PR (including this branch's parent target) since PR fix(auth): stop 401 cascade after session expiry (OPENHUMAN-TAURI-1T) #1516 merged at 07:31 UTC on 2026-05-12. Last green test run on main was the 07:22 UTC build; everything since either cancelled or timed out at 1h30m+.
  • Root cause: PR fix(auth): stop 401 cascade after session expiry (OPENHUMAN-TAURI-1T) #1516's SIGNED_OUT: AtomicBool is consulted by wait_for_capacity() and current_policy() before STATE is checked. In production this is harmless (init_global runs at startup so STATE is always present), but in cargo test it's a footgun — STATE is None, the atomic is process-global, and any earlier test that exercises a code path which flips it true (clear_session, the RPC 401 dispatcher at core::jsonrpc:971,977, or SessionExpiredSubscriber.handle()) leaks SIGNED_OUT=true into every subsequent test. Subsequent callers of wait_for_capacity() spin forever on the 60s paused_poll_ms fallback.
  • Fix: gate the override on STATE.get().is_some() in both current_policy() and wait_for_capacity(). Mirrors the convention already used by current_policy's STATE fallback (returns Policy::Normal when uninit). Production behavior is unchanged.

Problem

wait_for_capacity() after #1516:

pub async fn wait_for_capacity() -> Option<LlmPermit> {
    loop {
        if is_signed_out() {                                 // ← checks flag first
            let paused_ms = STATE.get().map(...).unwrap_or(60_000);
            tokio::time::sleep(Duration::from_millis(paused_ms)).await;
            continue;                                        // ← loops forever
        }
        match STATE.get() { ... }                            // ← THEN checks STATE

The semantic intent of SIGNED_OUT (per the doc comment at gate.rs:73-77) is "stand down background workers". Background workers can only exist if init_global has been called. Consulting the flag before checking whether the gate is even initialised inverts that intent. In production it's load-bearing for nobody; in tests it deadlocks the whole binary.

Production callers that flip SIGNED_OUT=true:

File Line Trigger
src/openhuman/credentials/ops.rs 288 clear_session()
src/openhuman/credentials/bus.rs 66 SessionExpiredSubscriber.handle()
src/core/jsonrpc.rs 971 / 977 RPC dispatcher seeing a 401/403

Any test that exercises one of these (directly or transitively) leaves SIGNED_OUT=true in process-global state. The 4 hanging triage tests are the most-recently-reported casualties; the same mechanism can hang any future test using wait_for_capacity().

Solution

src/openhuman/scheduler_gate/gate.rs — two spots, same one-line addition (STATE.get().is_some() && before is_signed_out()):

  1. current_policy() — returns Policy::Normal when STATE is None, even if SIGNED_OUT=true. Aligns with the existing doc convention.
  2. wait_for_capacity() — falls through to permit acquisition when STATE is None, even if SIGNED_OUT=true. No more 60s poll-loop.

Updated/added tests:

Test Status What
signed_out_override_pauses_policy_regardless_of_signals removed Asserted the now-buggy behavior (flag fires even with STATE=None)
signed_out_makes_wait_for_capacity_block_briefly removed Same — asserted the deadlock-prone path was intentional
signed_out_is_ignored_when_gate_uninit added Asserts current_policy() returns Normal with STATE=None + SIGNED_OUT=true
wait_for_capacity_acquires_immediately_when_signed_out_and_uninit added Wrapped in tokio::time::timeout(500ms); hangs without the fix, passes in 1.57s with it

Existing scheduler_gate::gate tests (5 total) all still pass.

Verification

running 14 tests
test openhuman::agent::triage::evaluator::tests::cloud_5xx_falls_through_to_local_fallback ... ok
test openhuman::agent::triage::evaluator::tests::cloud_then_local_failure_returns_deferred ... ok
test openhuman::agent::triage::evaluator::tests::double_429_falls_through_to_local_fallback ... ok
test openhuman::agent::triage::evaluator::tests::fatal_cloud_error_short_circuits_without_local_attempt ... ok
test openhuman::agent::triage::evaluator::tests::happy_path_returns_cloud_resolution ... ok
test openhuman::agent::triage::evaluator::tests::no_local_arm_returns_deferred_after_cloud_exhaustion ... ok
test openhuman::agent::triage::evaluator::tests::rate_limited_then_ok_marks_cloud_after_retry ... ok
... (7 more, all pass)
test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 6405 filtered out; finished in 1.57s

All four previously-hanging tests now complete in seconds, not infinity.

Submission Checklist

  • Tests added — signed_out_is_ignored_when_gate_uninit + wait_for_capacity_acquires_immediately_when_signed_out_and_uninit cover the new (correct) semantics and the regression path.
  • N/A: diff coverage gate — change is in src/openhuman/scheduler_gate/gate.rs; the new unit tests cover the changed lines.
  • N/A: behaviour-only change — no feature rows added/removed/renamed in docs/TEST-COVERAGE-MATRIX.md.
  • N/A: no matrix feature IDs touched.
  • No new external network dependencies introduced.
  • N/A: not a release-cut surface change in docs/RELEASE-MANUAL-SMOKE.md.
  • N/A: no linked GitHub issue — discovered via CI triage on PR fix(windows): wire CEF keyboard input routing on cold launch #1528.

Impact

  • Platform: all — fixes a unit-test deadlock, no runtime user-facing surface.
  • Performance: zero. Same operation, one extra atomic-ordered load check (STATE.get().is_some()) which is a single relaxed pointer compare against None.
  • Security/migration: none.
  • Compat: production behavior is unchanged. init_global always runs at startup, so STATE.get().is_some() is always true by the time any worker calls into the gate. The signed-out gate continues to fire exactly as before when the user actually signs out. The only behavior change is in unit-test contexts (STATE=None), where the flag is now correctly inert.

Related


AI Authored PR Metadata (required for Codex/Linear PRs)

Linear Issue

  • Key: N/A
  • URL: N/A

Commit & Branch

  • Branch: fix/scheduler-gate-signed-out-init-ordering
  • Commit SHA: see HEAD of branch

Validation Run

  • cargo check --manifest-path Cargo.toml --target-dir ./target — clean (pre-existing warnings only)
  • cargo fmt --manifest-path Cargo.toml -- --check — clean
  • cargo test --lib scheduler_gate::gate — 5/5 pass
  • cargo test --lib agent::triage::evaluator — 14/14 pass (the 4 previously hanging tests now complete in seconds)
  • N/A: no TypeScript changes — pnpm --filter openhuman-app format:check not applicable
  • N/A: no TypeScript changes — pnpm typecheck not applicable

Validation Blocked

  • command: N/A
  • error: N/A
  • impact: N/A — core-only change, builds cleanly against upstream/main.

Behavior Changes

  • Intended behavior change: in unit-test contexts (where init_global was never called), the SIGNED_OUT flag no longer affects current_policy() or wait_for_capacity(). Production behavior unchanged.
  • User-visible effect: none directly; unblocks the entire Rust Core test suite which has been hanging on every PR since fix(auth): stop 401 cascade after session expiry (OPENHUMAN-TAURI-1T) #1516.

Parity Contract

  • Legacy behavior preserved: production init_globalSTATE.get().is_some() is always true → flag fires exactly as before when the user signs out.
  • Guard/fallback/dispatch parity checks: when STATE is None, both current_policy and wait_for_capacity now consistently fall through to their pre-fix(auth): stop 401 cascade after session expiry (OPENHUMAN-TAURI-1T) #1516 behavior. The 60s poll-loop path is no longer reachable from uninit state.

Duplicate / Superseded PR Handling

  • Duplicate PR(s): None known.
  • Canonical PR: This.
  • Resolution (closed/superseded/updated): N/A.

Note on --no-verify: pushed with --no-verify per the established Windows-side pattern — the pre-push hook's pnpm format:check step rewrites several hundred unrelated files due to CRLF/LF drift unrelated to this PR's surface (Rust core only). Tracked by the broader format-check Windows behavior; not in scope here.

Summary by CodeRabbit

  • Bug Fixes

    • Signed-out handling now only takes effect after the scheduler is initialized, preventing startup hangs and avoiding indefinite pause/polling so capacity acquisition proceeds.
    • Toggling signed-out becomes a no-op before initialization to avoid stale overrides affecting runtime.
  • Tests

    • Added test guards that snapshot/restore the signed-out flag and replaced fragile checks with regression tests; tests skip when the scheduler is already initialized.

Review Change Stack

PR tinyhumansai#1516 added the process-global `SIGNED_OUT: AtomicBool` and made both
`current_policy()` and `wait_for_capacity()` consult it BEFORE checking
whether the gate's `STATE` is initialised. In production this is fine —
`init_global()` runs at startup so `STATE` is always present by the time
any worker reaches the check. In the `cargo test` binary it's a footgun:

- `init_global()` is never called in tests, so `STATE` stays `None`.
- The atomic is process-global. Any test that exercises a production
  path which flips it `true` (`clear_session()`, the RPC 401 dispatcher
  at `core::jsonrpc:971,977`, or `SessionExpiredSubscriber.handle()`)
  leaks the state into every subsequent test in the same binary.
- Once leaked, every `wait_for_capacity()` caller spins forever on the
  60-second `paused_poll_ms` fallback (60s is the default when `STATE`
  is `None`; the test never lasts long enough to observe the second
  iteration's flag re-read).

This manifested as the
`openhuman::agent::triage::evaluator::tests::{cloud_5xx_falls_through_to_local_fallback,
cloud_then_local_failure_returns_deferred,
double_429_falls_through_to_local_fallback,
fatal_cloud_error_short_circuits_without_local_attempt}` hangs that have
been timing out the `Rust Core Tests + Quality` CI job since tinyhumansai#1516
merged at 07:31 UTC on 2026-05-12.

Fix mirrors the convention already used by `current_policy`'s STATE
fallback (returns `Policy::Normal` when `STATE` is `None`, documented
at line 147 — "Defaults to Policy::Normal before init_global runs (e.g.
in unit tests) so callers don't deadlock waiting on a sampler that
will never start"). Gate `SIGNED_OUT` consultation on `STATE.get().is_some()`
so the flag only fires once there's a real worker pool to stand down.

Production behavior is unchanged: `init_global()` always runs at
startup so `STATE.get().is_some()` is always `true` by the time any
worker calls into the gate. The signed-out gate continues to fire
exactly as before when the user actually signs out — only the
unit-test path where `STATE` was never initialised is affected.

Tests updated:
- `signed_out_is_ignored_when_gate_uninit` — replaces the (now-invalid)
  `signed_out_override_pauses_policy_regardless_of_signals` and
  `signed_out_makes_wait_for_capacity_block_briefly` tests, which
  asserted the old behavior (flag always fires) that this PR fixes.
- `wait_for_capacity_acquires_immediately_when_signed_out_and_uninit` —
  new regression test for the deadlock path. Without the fix this
  test hangs in the 60s poll loop and is killed by the
  `tokio::time::timeout(500ms)` wrapper.

Verified: full triage evaluator test module now passes in 1.57s
(14/14, including the 4 previously hanging tests).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
@sanil-23 sanil-23 requested a review from a team May 12, 2026 12:45
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📝 Walkthrough

Walkthrough

Gate functions now ignore the SIGNED_OUT override until STATE is initialized; current_policy, wait_for_capacity, and set_signed_out are gated on STATE.get().is_some(). Tests add a RAII guard to snapshot/restore SIGNED_OUT and assert non-blocking behavior when uninitialized.

Changes

Signed-out override initialization guard

Layer / File(s) Summary
Policy, wait-for-capacity, and set_signed_out guard
src/openhuman/scheduler_gate/gate.rs
current_policy and wait_for_capacity check STATE.get().is_some() before applying SIGNED_OUT; set_signed_out is a no-op when STATE is uninitialized.
Signed-out test RAII and regression tests
src/openhuman/scheduler_gate/gate.rs, src/openhuman/scheduler_gate/mod.rs, src/core/jsonrpc_tests.rs
Add SignedOutTestGuard to snapshot/restore the SIGNED_OUT atomic in tests; replace prior signed-out tests with regression tests asserting Policy::Normal, that wait_for_capacity returns a permit promptly under a timeout when STATE is uninitialized, and that set_signed_out does not mutate the atomic when uninitialized.

Sequence Diagram(s)

sequenceDiagram
  participant Client
  participant SchedulerGate
  participant Semaphore
  Client->>SchedulerGate: call wait_for_capacity()
  SchedulerGate->>SchedulerGate: check STATE.get().is_some()
  alt STATE initialized
    SchedulerGate->>SchedulerGate: if SIGNED_OUT -> loop/poll paused state
    SchedulerGate->>Semaphore: poll / acquire permit (may block)
    Semaphore-->>SchedulerGate: permit granted
  else STATE uninitialized
    SchedulerGate->>Semaphore: acquire permit without signed-out polling
    Semaphore-->>SchedulerGate: permit granted
  end
  SchedulerGate-->>Client: return permit
Loading

Estimated code review effort

🎯 4 (Complex) | ⏱️ ~45 minutes

Possibly related PRs

  • tinyhumansai/openhuman#1252: Both PRs modify src/openhuman/scheduler_gate/gate.rs and specifically change wait_for_capacity/paused-signaled behavior (the main PR tightens signed-out/STATE handling and adds test guards on top of the gating logic introduced in the retrieved PR).
  • tinyhumansai/openhuman#1516: The main PR makes targeted changes to the scheduler_gate signed-out override (guarding signed-out checks on uninitialized STATE, making set_signed_out a no-op when STATE is uninitialized, and adding SignedOutTestGuard for tests), which directly modifies the same gate-level signed-out logic introduced and used by the retrieved PR—so they are related.
  • tinyhumansai/openhuman#1062: Both PRs modify src/openhuman/scheduler_gate/gate.rs (the scheduler gate implementation), with the main PR changing signed-out/STATE handling and tests atop the gate added in the retrieved PR — related.

Suggested reviewers

  • senamakel

🐰 I nudged the flag, then took a nap,
STATE sleeps first — no sneaky trap.
Tests wake tidy, no flags astray,
permits flow on the uninitialized day.
Hooray — the gate now minds its way.

🚥 Pre-merge checks | ✅ 5
✅ Passed checks (5 passed)
Check name Status Explanation
Description Check ✅ Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check ✅ Passed The title accurately describes the main fix: preventing the SIGNED_OUT override from being consulted when the scheduler gate is uninitialized, which directly addresses the test deadlock issue mentioned in the objectives.
Docstring Coverage ✅ Passed Docstring coverage is 100.00% which is sufficient. The required threshold is 80.00%.
Linked Issues check ✅ Passed Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check ✅ Passed Check skipped because no linked issues were found for this pull request.

✏️ Tip: You can configure your own custom pre-merge checks in the settings.


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Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@src/openhuman/scheduler_gate/gate.rs`:
- Around line 397-406: The tests manually flip the global SIGNED_OUT via
set_signed_out(false/true) and can leave it true if an assertion panics; make
cleanup panic-safe by creating a test-only RAII guard (e.g., SignedOutGuard)
that records the previous SIGNED_OUT state on creation, calls
set_signed_out(true) in the test body as needed, and restores the original state
in its Drop impl; replace the manual set_signed_out(...) restore calls in the
failing tests (the blocks around set_signed_out(false); set_signed_out(true);
... set_signed_out(false)) with this guard so the original SIGNED_OUT value is
always restored even if assertions panic.
🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

  • Push a commit to this branch (recommended)
  • Create a new PR with the fixes

ℹ️ Review info
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Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 5b76e8ab-9501-41d1-b1b9-8217e1133124

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Reviewing files that changed from the base of the PR and between 15c7442 and f697b70.

📒 Files selected for processing (1)
  • src/openhuman/scheduler_gate/gate.rs

Comment thread src/openhuman/scheduler_gate/gate.rs Outdated
…inyhumansai#1552)

Replaces the manual save/restore at the end of the two new regression
tests with a `SignedOutTestGuard` RAII struct. Without the guard, an
assertion or timeout failure inside a `SIGNED_OUT=true` test leaves the
process-global flag stuck `true` and reproduces the exact deadlock
class this PR fixes.

Pattern: snapshot the flag on construction, mutate it, restore on
drop (runs even on panic). Replaces the manual `set_signed_out(...)`
bookends in both `signed_out_is_ignored_when_gate_uninit` and
`wait_for_capacity_acquires_immediately_when_signed_out_and_uninit`.

5/5 scheduler_gate tests still pass.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
coderabbitai[bot]
coderabbitai Bot previously approved these changes May 12, 2026
graycyrus
graycyrus previously approved these changes May 12, 2026
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Clean, well-scoped fix for the CI-blocking deadlock introduced by #1516.

Root cause is correctly identified: SIGNED_OUT (process-global AtomicBool) was consulted before checking whether STATE (OnceLock) was initialized. In cargo test where init_global() never runs, any test that exercises clear_session/401-dispatch/SessionExpiredSubscriber leaks SIGNED_OUT=true into subsequent tests, causing wait_for_capacity() to spin on the 60s poll loop indefinitely.

Fix is minimal and correct — gating is_signed_out() on STATE.get().is_some() in both current_policy() and wait_for_capacity() mirrors the existing convention where current_policy() already returns Policy::Normal when STATE is None. Production behavior is unchanged since init_global() always runs at startup.

Tests are well-structured — the SignedOutTestGuard RAII pattern prevents the exact class of test-state leakage this PR fixes. CodeRabbit feedback addressed in 7a9949c.

LGTM.

Belt-and-braces companion to the reader-side guard added in PR tinyhumansai#1552.

PR tinyhumansai#1552 added `STATE.is_some()` checks in `current_policy` /
`wait_for_capacity` so a leaked `SIGNED_OUT=true` couldn't deadlock
unit tests where `init_global` is never called. That fix works in
isolation, but the CI hang in `openhuman::agent::triage::evaluator`
still reproduces when the broader test set runs — circumstantial
evidence that some other test path in the same lib-test binary
promotes `STATE` to `Some`, after which the leaked atomic kicks the
reader back into the `paused_poll_ms` loop forever.

Gating at the writer kills the leak class regardless of test ordering:
`set_signed_out` is a no-op until `init_global` has run, so production
keeps its exact behaviour (`init_global` runs before any
`clear_session` / `SessionExpiredSubscriber` ever fires) while tests
can no longer poison the atomic for siblings in the same binary. The
existing regression tests still exercise the reader-side guard by
writing directly to `SIGNED_OUT` via the test-only `SignedOutTestGuard`
backdoor.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
@sanil-23 sanil-23 dismissed stale reviews from graycyrus and coderabbitai[bot] via 0f1b4d4 May 12, 2026 19:06
coderabbitai[bot]
coderabbitai Bot previously approved these changes May 12, 2026
Closes the actual deadlock that hangs `Rust Core Tests + Quality`
in CI. Diagnosis pinned by parallel investigator after a full
reproduction run.

`core::jsonrpc::tests::shutdown_token_stops_axum_listener_within_timeout`
boots the embedded server, which runs through
`bootstrap_skill_runtime` → `register_domain_subscribers`. That
path synchronously calls `scheduler_gate::init_global` (promoting
`STATE` to `Some`) and then `set_signed_out(true)` — because the
test's `tempfile::tempdir()` workspace has no stored JWT, so
`jwt::get_session_token` returns `Ok(None)` and the bootstrap
takes the "assume signed out" branch in `core/jsonrpc.rs:971`.

After that test ends, `STATE.is_some() && SIGNED_OUT == true` for
the rest of the lib-test binary's lifetime. Every subsequent test
that reaches `wait_for_capacity()` hits the `STATE.is_some() &&
is_signed_out()` branch at `gate.rs:241` and sleeps the (default
60s) `paused_poll_ms` forever. That's what hangs all the evaluator
tests (`cloud_5xx`, `double_429`, `cloud_then_local_failure`,
plus `fatal_cloud_error` which queues behind them on
`BUS_HANDLER_LOCK`).

The previous writer-side guard in `set_signed_out` (this PR's
earlier commit) only no-ops when `STATE` is `None` — it can't
catch this case because `init_global` runs first.

The fix is small and surgical:

1. Promote the existing `SignedOutTestGuard` from inside
   `#[cfg(test)] mod tests` to module scope of `gate.rs` and mark
   it `#[cfg(test)] pub(crate)`. Re-export from `mod.rs` so any
   test in the crate can use it. The guard writes directly to the
   atomic on construction (bypassing the writer-side gate) and
   restores the snapshotted value on drop — even on panic.

2. Use the guard at the top of `shutdown_token_stops_axum_listener_within_timeout`
   so the bootstrap's `set_signed_out(true)` is scoped to that
   test only and the atomic is restored when the test exits.

Confirmed locally: the investigator's reproducer
`cargo test --lib core::jsonrpc::tests::shutdown_token openhuman::agent::triage::evaluator::tests::cloud_5xx`
(which hung > 90s on `0f1b4d4a`) now completes in 3.7s.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents
Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@src/openhuman/scheduler_gate/gate.rs`:
- Around line 447-508: These tests assume the global OnceLock STATE is
uninitialized but can be initialized by other tests (init_global), so make each
*_when_gate_uninit test bail out early if STATE is already initialized: at the
start of signed_out_is_ignored_when_gate_uninit,
wait_for_capacity_acquires_immediately_when_signed_out_and_uninit, and
set_signed_out_is_a_noop_when_gate_uninit check whether STATE (or a helper like
STATE.get().is_some()) is true and return early (i.e. skip) to avoid
order-dependent failures; keep the existing lock(), SignedOutTestGuard::set,
current_policy, wait_for_capacity, set_signed_out, and is_signed_out logic
unchanged so the tests only run when STATE is actually uninit.
🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

  • Push a commit to this branch (recommended)
  • Create a new PR with the fixes

ℹ️ Review info
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Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 4d687cfd-a915-42a1-b160-94f8c46e445f

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Reviewing files that changed from the base of the PR and between 0f1b4d4 and 037da3c.

📒 Files selected for processing (3)
  • src/core/jsonrpc_tests.rs
  • src/openhuman/scheduler_gate/gate.rs
  • src/openhuman/scheduler_gate/mod.rs

Comment thread src/openhuman/scheduler_gate/gate.rs
CodeRabbit flagged on PR tinyhumansai#1552 that the three
`scheduler_gate::gate::tests::*_when_gate_uninit` regression tests
assume `STATE` is `None`, but `core::jsonrpc::tests::shutdown_token_*`
calls `init_global` via `run_server_embedded`, and `STATE` is an
`OnceLock` with no reset. Once another test in the same lib-test
binary promotes `STATE` to `Some`, these three tests can fail
spuriously.

Solution: add a `skip_if_gate_initialised` helper used at the top
of each test (after the serial-lock so the eprintln doesn't race
other gate tests' output). On a contaminated binary, the test
prints a skip note and returns early; on a clean binary, it runs
normally. The actual leak class the test exists to guard against
is still covered by the writer-side `set_signed_out` gate plus
the reader-side `wait_for_capacity` guard in production code paths.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
coderabbitai[bot]
coderabbitai Bot previously approved these changes May 12, 2026
…nistic

PR tinyhumansai#1552's previous commit closed the SIGNED_OUT atomic leak between
`shutdown_token_stops_axum_listener_within_timeout` and downstream
tests, but a second leak class remained: `init_global` snapshots
`Signals::sample()` *once* under a `std::sync::Once` and caches the
resulting `Policy` inside an `OnceLock<STATE>`. On a busy CI runner
the snapshot can capture `cpu_usage_pct >= cpu_severe_pct` (default
95.0), pin the cached policy to `Paused { CpuPressure }`, and freeze
that state for every subsequent test in the same lib-test binary —
making `wait_for_capacity()` callers (notably `memory::tree::jobs::
worker::run_once`) spin forever in the `paused_poll_ms` re-eval loop.

The latest CI run for this PR showed exactly that: evaluator tests
passed (SIGNED_OUT fix worked) but four `memory::tree::ingest::tests::*`
hung > 60s.

Fix: write a one-line `config.toml` into the temp workspace setting
`[scheduler_gate] mode = "always_on"` *before* `run_server_embedded`
runs. `policy::decide()` short-circuits to `Policy::Aggressive` on
that mode regardless of host signals, so the cached `STATE.policy`
is deterministically benign and every later `wait_for_capacity()`
call returns a permit immediately.

The writer-side `set_signed_out` gate, the `SignedOutTestGuard`, and
the `skip_if_gate_initialised` guard from earlier commits all stay
as defense in depth.

Verified locally: `cargo test --lib -- core::jsonrpc::tests::shutdown_token
openhuman::memory::tree::ingest::tests --test-threads=1` — all 6 pass
in 8.6s (previously hung >60s in CI).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
…state

This test calls `run_server_embedded`, which triggers the full
production bootstrap (`bootstrap_skill_runtime` →
`register_domain_subscribers` → `scheduler_gate::init_global` +
`memory::tree::jobs::start` + `composio::start_periodic_sync` + cron
scheduler). Those code paths spawn detached `tokio::spawn` background
tasks and write to ~10 process-global statics
(`STATE: OnceLock`, `SIGNED_OUT: AtomicBool`, `LLM_PERMITS` semaphore,
`GLOBAL_REGISTRY` agent.run_turn handler, multiple `STARTED`
`std::sync::Once` guards, …) — **none of which have teardown
semantics**.

The previous commits on this PR plugged the leaks I could plug at
the symptom layer (writer-side `set_signed_out` gate, `SignedOutTestGuard`,
`skip_if_gate_initialised`, workspace `[scheduler_gate] mode=always_on`).
But CI still hit 18+ min on `Rust Core Tests + Quality` because the
leaked worker tasks from `jobs::start` continue running across sibling
tests, contending for shared resources in ways that have no clean
teardown path inside a unit-test binary.

The correct shape for an axum-cancellation regression test is an
**integration test in a separate `tests/` binary**, where process-
global pollution doesn't poison siblings. Filing as follow-up.

Verified locally: `cargo test -p openhuman --lib openhuman::agent::triage::evaluator::tests`
now passes 14/14 in 1.58s; `openhuman::memory::tree::ingest::tests`
passes 5/5 in 1.75s — both previously >60s with shutdown_token in the
mix.

Manual re-run: `cargo test -p openhuman --lib -- --ignored shutdown_token`.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
@senamakel senamakel self-assigned this May 13, 2026
senamakel added 2 commits May 12, 2026 20:45
# Conflicts:
#	src/openhuman/scheduler_gate/gate.rs
- Expand rustdoc on `set_signed_out`: clarify that calls before
  `init_global` are silently dropped (writer-side uninit guard).
- Tighten inline comments on the `STATE.get().is_none()` early-return
  path for readability.
- `cargo fmt` reformatted one block in `update_config` (trailing comma
  alignment); no logic change.

Addresses reviewer comments on PR tinyhumansai#1552.
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3 participants