fix(gateway): route plain-text approval responses (salvage #46924) - #2
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Review Complete Files Reviewed: 2 By Severity:
Three medium-severity bugs found in the plain-text approval routing: a bound-method identity check always evaluating to False (line 4781), an overbroad exception handler that silently drops user security decisions (line 4803), and a session-key namespace mismatch breaking approval routing under multiplex_profiles (line 4758). Files Reviewed (2 files) |
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Risk: 🟠 High (72/100) — 3 medium findings · 271 LOC across 2 files
Summary
This PR adds plain-text approval routing to _handle_active_session_busy_message in gateway/run.py, allowing users to type "yes"/"no"/"deny"/"always" to respond to dangerous-command approval prompts instead of using the /approve or /deny slash commands. The feature works correctly in the happy path but has three distinct bugs uncovered by the review.
Findings
finding-001: Bound-method identity check (is) always False
File: gateway/run.py:4781 — The is operator on CPython bound methods always returns False because each attribute access creates a new bound method object. The _verb variable is always "deny", even when the approve handler is running. The approval works (the handler stored in _approval_handler is correct), but logging and synthesized command text are wrong.
finding-002: Exception handler falls through to busy handling
File: gateway/run.py:4756-4808 — The broad try/except Exception wraps both approval resolution AND reply sending. If the reply send fails after a successful resolution, the function falls through to normal busy handling instead of returning True. Worse, if the approval handler itself raises before resolving, the exception is silently swallowed — the user's explicit security decision is discarded.
finding-003: Session key mismatch under multiplex_profiles
File: gateway/run.py:4758 — The session_key from the adapter is computed without a profile parameter, always landing in the agent:main namespace. Under multiplex_profiles, approval queue entries are keyed with agent:<profile>:..., so has_blocking_approval() returns False and the plain-text routing is silently skipped. The slash-command path is unaffected.
Risk Assessment
All three findings are in the security-critical dangerous-command approval path. The is bug is trivially fixable (one character). The exception-handling fix requires restructuring the try/except scopes. The session-key fix requires recomputing the key. None are exploitable for privilege escalation, but they degrade the reliability and auditability of the approval mechanism.
| # MessageEvent.is_command()/get_command_args() only | ||
| # recognize the "/" prefix, not the per-platform display | ||
| # prefix ("!" on Slack/Matrix). | ||
| _verb = "approve" if _approval_handler is self._handle_approve_command else "deny" |
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🟡 Bound-method identity check (is) always evaluates to False, causing wrong verb in synthesized command (bug)
At gateway/run.py line 4781, the code uses the is operator to compare bound methods:
_verb = "approve" if _approval_handler is self._handle_approve_command else "deny"In CPython, every access to self._handle_approve_command creates a new bound method object via PyMethod_New. Therefore _approval_handler is self._handle_approve_command always evaluates to False, even when _approval_handler was assigned from self._handle_approve_command moments earlier.
Impact:
_verbis always"deny"when the approve handler is invoked (e.g., user types 'yes', 'always', 'session')- The logged message at line 4787 records
verb=denyeven for approve actions, misleading debugging - The synthesized
event.text(line 4782-4784) becomes/denyor/deny alwaysinstead of/approveor/approve always - The deny path coincidentally gets the correct verb because the
elsebranch matches - The approval resolution itself works correctly because
_approval_handleris the correct handler (stored at lines 4765, 4769, 4772) and the handler doesn't check the command name in the synthesized text
💡 Suggestion: Change is to == on line 4781. Bound methods implement __eq__ which correctly compares by __self__ and __func__, returning True when the same method is bound to the same instance.
| _verb = "approve" if _approval_handler is self._handle_approve_command else "deny" | |
| _verb = "approve" if _approval_handler == self._handle_approve_command else "deny" |
📋 Prompt for AI Agents
In gateway/run.py at line 4781, fix a single-character bug: change _approval_handler is self._handle_approve_command to _approval_handler == self._handle_approve_command. The is operator fails for bound methods in CPython because each attribute access creates a new bound method object; == uses the bound method's __eq__ implementation which correctly compares by __self__ and __func__. Without this fix, the logged verb is always 'deny' (the else branch) regardless of whether the user approved or denied.
| except Exception: | ||
| logger.warning( | ||
| "Plain-text approval routing failed for session %s; " | ||
| "falling through to busy handling", | ||
| session_key, exc_info=True, | ||
| ) |
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🟡 Exception handler falls through to busy handling after approval resolution, leaking mutated event state (bug)
In gateway/run.py, the _handle_active_session_busy_message method (line 4690) contains a new plain-text approval routing block (lines 4756-4808). This try/except block covers BOTH the approval resolution (await _approval_handler(event) at line 4786) AND the confirmation reply send (await _adapter._send_with_retry(...) at line 4796).
Consequence A — resolved approval not handled: If the approval is successfully resolved (entry.event.set() called inside resolve_gateway_approval()) but the subsequent reply send fails (e.g., permanent network error after retries), the exception is caught and the function falls through to normal busy handling (line 4810+). The approval has already been resolved (agent unblocked), but the function does not return True — it falls through to steer/queue/interrupt logic that may try to interrupt the now-running agent or queue a spurious /approve event.
Consequence B — mutated event.text leaks: At line 4785, event.text is mutated to a synthesized '/approve' or '/deny' string before calling the handler. If any exception occurs after this mutation (even if the handler itself fails), the mutated text persists and flows into the normal busy handling code. The steer/queue/interrupt logic sees a synthetic slash command instead of the original user message, violating event lifecycle expectations.
Consequence C — handler failure silently dropped: If _handle_approve_command or _handle_deny_command raises BEFORE resolving the approval (e.g., session store unavailable, i18n key drift, unexpected synthesized-command parsing), the exception is caught and the user's explicit approval/denial is silently discarded. The slash-command dispatch paths (/approve, /deny) propagate such exceptions to the base adapter's error handler — the plain-text path's silent fallback is a regression relative to slash commands.
💡 Suggestion: Restructure the exception handling so that: (1) the approval handler call and reply send are in separate try/except scopes, (2) after the approval handler returns successfully, the function always returns True regardless of reply send success, and (3) if the approval handler itself raises, restore event.text to its original value and propagate the exception so the base adapter can surface the error to the user.
📋 Prompt for AI Agents
In gateway/run.py, in the _handle_active_session_busy_message method around lines 4756-4808, restructure the try/except block. Save event.text before mutation (line 4785). Move the approval handler call (line 4786) outside the broad try. Wrap only the reply send (lines 4791-4801) in its own try/except that logs and consumes exceptions without falling through. Ensure return True after the approval handler succeeds. If the approval handler itself raises, restore event.text and propagate the exception so the base adapter can log it and the user receives an error message, matching the slash-command dispatch path behavior.
| # we deliver it ourselves (mirroring the draining-case send above). | ||
| try: | ||
| from tools.approval import has_blocking_approval | ||
| if has_blocking_approval(session_key): |
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🟡 Session key mismatch breaks plain-text approval routing under multiplex_profiles (bug)
The plain-text approval routing added in gateway/run.py line 4758 uses the session_key parameter received from the base adapter. The adapter computes this key at gateway/platforms/base.py:4383 via build_session_key(event.source, ...) WITHOUT a profile argument, always producing keys in the agent:main namespace. However, the approval queue entries in tools/approval.py are keyed by the agent's session key, which includes the profile namespace when gateway.multiplex_profiles=True (see gateway/session.py:1023-1030 and _session_key_namespace at line 734-751).
When a non-default profile is active under multiplexing, has_blocking_approval(base_adapter_key) returns False even when a blocking approval exists under the runner's key (agent:<profile>:...). The plain-text response silently falls through to normal busy handling, and the approval times out and auto-denies — exactly the deadlock this PR (NousResearch#46866) was designed to fix. The existing slash-command path (/approve, /deny) is unaffected because it routes through the GatewayRunner's handler which computes its own key via _session_key_for_source().
💡 Suggestion: Use self._session_key_for_source(event.source) instead of the adapter-provided session_key parameter for the has_blocking_approval check and for the logger message at line 4789. This ensures the gate check uses the same key namespace as the approval queue entries.
📋 Prompt for AI Agents
In gateway/run.py, _handle_active_session_busy_message at line 4758: replace the adapter-provided session_key with a recomputed key. Change:
if has_blocking_approval(session_key):to:
_resolved_key = self._session_key_for_source(event.source)
if has_blocking_approval(_resolved_key):Also update the logger at line 4789 to use _resolved_key instead of session_key so the log message reflects the correct session namespace.
…ch#67140) The background write guard decided ownership from `isinstance(usage_rec, dict)`, so a local skill with NO usage record passed. That successful write called bump_patch(), which created a `created_by: null` record — and the identical write was refused from then on. "Allowed exactly once, then never" is a race with our own bookkeeping, not a policy. Reproduced on main: patch #1 succeeds, patch #2 with the same arguments is refused. Option B from the issue. Option A (split `session_review` from `scheduled_curator` and let the session fork patch user-owned skills it consulted) would widen autonomous write permission onto skills the user owns with no user present to consent — wrong direction for a no-user-present actor. - skill_manager_tool: missing and explicit-null records now resolve IDENTICALLY, both fail closed. The refusal names the reason and points at `hermes curator adopt <name>`. - background_review: both review prompts told the reviewer to patch any skill consulted in the session and claimed pinned skills could be improved, while enforcement refused both. Prompts now list pinned, external, and user-owned skills as protected, and tell the reviewer to RECOMMEND adoption instead of attempting a write that will be refused. - skill_usage: document that `created_by` is a curator-management policy flag, not a provenance claim, and add `is_curator_managed()` so call sites read as the question they ask. Field name retained — it is on disk in every `.usage.json` and renaming would strand those records. - curator CLI: `hermes curator list-unmanaged` itemizes unmanaged skills with the reason each is unmanaged (completes the NousResearch#67139 spec). Foreground writes are untouched: a user-directed edit to a user-owned skill still works, including on pinned skills. Sibling tests: 9 failures in test_skill_manager_tool.py were fixtures that created record-less skills to exercise OTHER guards (consolidation-delete, read-before-write) and relied on ownership falling through. Fixed at the fixture, since the real curator only ever operates on managed sediment. One test asserted the old "manually authored" wording; rewritten to assert the behavior contract instead of the string. Validation: 274 targeted tests + all 7 background-review files (60 tests) pass. E2E on a temp HERMES_HOME (30 checks) covers the flip, foreground writes, adoption unblocking, pin semantics, prompt/enforcement parity, and the new verb. Each new test sabotage-verified: revert the fix, confirm it goes red. Fixes NousResearch#67140
…hat tile (NousResearch#71969) * fix: Branch button is a dead no-op inside a branched chat tile session-tile.tsx wired onBranchInNewChat to () => undefined for tiled/branched sessions (nested branching isn't supported there), but the button in AssistantMessage's action bar rendered unconditionally regardless of whether a real handler was supplied. The button looked clickable but silently did nothing, with no visual feedback. - AssistantMessage now only renders the Branch button when onBranchInNewChat is actually provided, matching the existing pattern used for onDismissError/onRestoreToMessage. - session-tile.tsx no longer passes a no-op handler; the prop is simply omitted so the button doesn't render in tiles. - onBranchInNewChat is now optional on ChatViewProps, and the latestChatActions passthrough wrapper uses the existing latestOptional helper instead of an unconditional call. * test: assert Branch button visibility matches handler presence Adds coverage for the bug #2 fix: renders Thread with and without an onBranchInNewChat handler and asserts the Branch in new chat button is shown only when a real handler is supplied, hidden otherwise - covering both the normal open-chat case and the session-tile (branched chat) case that used to leave a dead, clickable button.
… a broken chat A completely unconfigured install previously booted into a working-looking chat (banner showed model 'unknown'), accepted a message, spun ~30s, then failed with 'Set OPENROUTER_API_KEY' — a provider the user never chose — and never offered setup. - HermesCLI.run() now probes provider readiness at startup (TTY only) and offers the shared provider picker (hermes model flow, which fronts Quick Setup / Nous Portal OAuth) when nothing is configured. Decline is respected; picker state re-syncs into the live CLI so the next turn works without a restart. - New silent probe _runtime_credentials_ready(): no printing, no state mutation; handles keyless local endpoints and callable bearer providers. - The empty-api-key error is provider-aware: names the actual resolved provider and points at 'hermes model' / 'hermes setup' instead of hardcoding OPENROUTER_API_KEY. - Banner: unconfigured installs render 'no model configured — run /model' in red instead of the silent 'unknown' model slug. Consumer-onboarding audit finding #2 (sev 5), Aug 2026.
A wedged adapter transport (network hang, dead websocket) previously blocked _check_session_stalls forever: sibling candidates in the same pass were never evaluated and the watcher stopped ticking. Wrap the send in asyncio.wait_for (15s); on timeout log a WARNING and do NOT latch, so the next tick retries. Regression uses a never-resolving fake adapter and proves the pass completes, a healthy sibling candidate is still notified in the same pass, and the watcher ticks again (sabotage-verified against the unbounded send).
…on delegation callbacks (NousResearch#82592) * fix(gateway): stop frozen-preview finals and dropped idle-session delegation callbacks Two relay-plane delivery losses from the 2026-08-09 staging incident: 1. stream_consumer: the skip-redundant-finalize branch recorded _accumulated as the delivered turn-final payload even when the last ACKED edit was an earlier throttled preview snapshot, so delivered_final_matches reconciled True and the gateway suppressed the corrective final send — the user was left with a cut-off message ending in the streaming cursor. Extracted _mark_skip_redundant_finalize(): records the last acked wire payload (cursor-stripped), so a preview/final mismatch now returns False and the normal final send fires. 2. run.py: _classify_completion_target classified every ended parent session terminal unless it ended by compression. Idle/timeout session ends are the norm on scale-to-zero relay deployments and the chat route remains valid; completed async delegation results were terminally dropped. Ended parents now classify deliver unless the end was an explicit user boundary (session_reset / user_exit / session_switch). * fix(relay): drain in-flight outbound frames before transport teardown disconnect() failed every pending outbound future immediately with 'relay transport closed', so a trailing finalize edit racing turn teardown was lost even though the connector socket could still serve it. Bounded drain grace (5s) lets in-flight requests resolve; silent connectors still tear down promptly. asyncio.wait (not gather+wait_for) so a timeout doesn't cancel futures owned by the fail-remaining loop. * fix(gateway): route completion injection through the alias-aware transport resolver Third relay-plane delivery loss from the 2026-08-09 staging incidents: a delegation batch completed while the gateway was up, the watcher drained the event, and delivery vanished with no log line. _inject_watch_notification resolved its adapter with a literal p.value == platform_name scan of self.adapters — a relay-fronted gateway registers ONE adapter under Platform.RELAY fronting N logical platforms, so 'slack' never matched and the injection returned None ('no gateway route'), silently dropping the completion. The handoff path already documents this exact trap and uses resolve_delivery_transport; the injection path now does the same (native wins; relay eligible only when it fronts the logical platform), with the literal scan kept as fallback for stub runners and exotic platforms. * fix(relay): clamp disconnect drain grace to the runner's adapter-disconnect budget Review finding (JoaoMarcos44, NousResearch#82592): a fixed 5.0s drain in front of the three 1.0s sequential teardown awaits gives an 8.0s worst case inside the runner's 5.0s asyncio.wait_for(adapter.disconnect()) — tripping it cancels teardown mid-drain, skips the fail-pending loop, and leaves outbound callers blocked until _OUTBOUND_TIMEOUT_S (30s). The effective grace is now budget - 3*TEARDOWN - margin (env-aware via the same HERMES_GATEWAY_ADAPTER_DISCONNECT_TIMEOUT the runner reads), so the drain can never push teardown past its caller's budget; a budget too small for any drain disables it cleanly. * test(gateway): pin the final-send suppression contract across a behaviour matrix The gateway skips its own final send when the stream consumer claims the turn final already reached the user. Every incident in that family — NousResearch#71643 (stale finalize snapshot), NousResearch#78541 (payload-less multi-message split), NousResearch#82656 (frozen preview left with a visible cursor) — is the same failure: the consumer claimed delivery for text the platform never rendered, so the corrective send was suppressed and the answer was lost with no retry. Each was fixed with a scenario test pinned to one branch of GatewayStreamConsumer.run(). The got_done handler now has five sibling branches that each set the suppression flags and record a turn-final payload, and nothing checks them as a group: a new branch, or a new early `return True` in _send_or_edit, can reintroduce the class without failing a test. Pin the invariant instead of the branch — if the consumer offers the gateway any signal it would trust, the complete final text must have reached the wire — and assert it across {edit always / dies / never / lies} x {send always / never} x {fresh-final on / off} x {clean / interrupted stream}. The adapter records only frames that actually rendered, so an ACK the platform drops does not count as delivery. 24 honest-transport scenarios hold the invariant as a hard assertion. The 16 lying-transport scenarios are checked too; the single combination that still violates it is reported as an expected failure documenting the open exposure rather than asserting it away. Refs NousResearch#82656 Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> * fix(gateway,relay): prime relay egress routing for synthetic injections + cap stale completion replay Defect #4 from the 2026-08-09 staging incidents (upgrade-robustness): after every gateway restart the durable async-delegation replay injected completions correctly (post-741663cf1) but their replies bounced at the connector — 'slack egress declined: target not routed to an onboarded tenant'. The relay adapter re-attaches tenant discriminators (metadata.scope_id / metadata.user_id) from per-chat caches warmed ONLY by inbound traffic; synthetic turns race those cold caches on every deploy, scale-to-zero wake, and crash recovery. - relay adapter: prime_routing_cache() — feeds a synthetic event's session-store origin through the same _capture_scope used for real inbound (never raises). - run.py injection path: prime the resolved adapter before handle_message (duck-typed; native adapters unaffected). - async_delegation: 48h staleness cap in restore_undelivered_completions — a pending completion older than the cap is terminally dropped (payload stays queryable) instead of re-run as a fresh full-context turn; the post-restart replay of a July session burned a 102K-token context. Also carried: JoaoMarcos44's suppression behaviour-matrix harness (cherry-picked from NousResearch#82676, authorship preserved) — 39 passed + 1 xfail (the documented ACK-then-drop transport-honesty residue). * test: use recent timestamps in restored-ownership fixtures test_restore_stamps_restored_flag persisted its completion with epoch-era toy timestamps (dispatched_at=1.0), which the new 48h replay staleness cap correctly classifies as stale — the fixture then exercised the cap instead of the restored-flag contract (CI slice 4 failure). Timestamps are now now-relative; the staleness behavior itself is pinned separately in test_relay_injection_egress_priming.py. * fix(gateway,relay): close four review findings on the relay delivery fixes Review follow-ups on this branch (NousResearch#82592): 1. HIGH — classifier/resolver mismatch (falsely-acknowledged loss). _classify_completion_target now returns "deliver" for idle-ended parents, but _resolve_async_delegation_session still dropped every non-compression-ended pin: the durable row was acked at adapter acceptance, then the injection died inside the pipeline with no retry — strictly worse than the honest terminal drop on main, and the delivery leg defect #2's fix depends on did not exist. The resolver now retargets non-user-boundary ends (idle/timeout/ lifecycle) to the chat's current session — session_entry already IS the routing key's current session for the same chat — while user boundaries (session_reset / new_session / user_exit / session_switch) stay fail-closed. Both sides share one module-level _USER_BOUNDARY_END_REASONS so the verdict and the routing decision cannot drift again; a coherence test asserts deliver-verdicts resolve non-None across representative end reasons. 2. HIGH — drain clamp missed adapter-level spend. The effective drain grace budgeted drain + 3x teardown, but RelayAdapter.disconnect spends revocation-monitor teardown + go_idle time BEFORE the transport drain inside the same runner wait_for; worst case still blew the budget and cancelled teardown mid-drain (skipping the fail-pending loop). The adapter now measures its own elapsed time and threads the REMAINING budget into transport.disconnect(budget_s=...); legacy/stub transports without the keyword fall back to the no-arg signature. 3. P1 — _request_response racing disconnect() could register a future after the fail-pending loop already ran, stranding the caller for the full _OUTBOUND_TIMEOUT_S (30s). Fail fast with the same "relay transport closed" error once _closing is set. 4. P1 — _build_process_event_source's last-resort reconstruction dropped scope_id, so a scoped relay completion whose session-store origin was unavailable primed no tenant discriminator and could still bounce off the connector's fail-closed egress guard. scope_id now threads through the reconstructed SessionSource, with a warning when a scoped chat reconstructs without one. All four: RED reproduced with the fix reverted, GREEN after; relay/ delegation delivery families pass (43 + 71 + 179 across the touched suites); full tests/gateway run shows only failures already failing identically on merge base 2446c8b (env/dep issues). * fix(gateway,relay): make pending-frame failure cancellation-safe; persist completion routing origin Two remaining review findings on this branch (NousResearch#82592): 1. Cancellation could strand outbound waiters past the fail-pending loop. transport.disconnect() failed pending futures only at the END of the drain + three teardown awaits; a cancellation landing mid-drain (the runner's wait_for budget, an outer cleanup deadline) skipped the loop entirely and left registered futures unresolved — their callers blocked until _OUTBOUND_TIMEOUT_S (30s). The budget threading added earlier shrinks the window but is not a hard guarantee. The fail-pending loop (and the going_idle ack failure) now run in a `finally`, so no exit path — normal, error, or cancelled — can leave a registered future unresolved. Idempotent: done futures are skipped, a second disconnect() pass is a no-op. 2. Durable completions did not persist their routing origin, so the scope_id threading in the fallback SessionSource reconstruction had nothing to carry on the exact path it exists for (restart replay with session store + source cache gone): the async-delegation event producers never populated scope_id and the durable rows never stored it. Dispatch now snapshots the originating turn's scope_id/user_id/user_name from the session context (_capture_routing_origin — a new HERMES_SESSION_SCOPE_ID contextvar bound by the gateway at session-bind time alongside the existing vars), stores them in the existing task_json payload (no schema migration), and re-attaches them to all three completion-event shapes (live single, live batch, crash-recovery rebuild). The gateway's fallback reconstruction then primes both discriminators after a restart. Tests: cancellation mid-drain -> every pending future resolves with "relay transport closed" (mutation: moving the loop out of the finally goes RED); second-pass disconnect idempotence; end-to-end dispatch -> owner-death recovery -> event carries scope_id -> fallback SessionSource primes it (mutations: dropping the dispatch capture or the task_json persistence both go RED); live completion event carries the origin. 94 passed + 1 xfailed across the delivery/delegation suites; tests/tools delegation family 73 passed (2 collection errors pre-existing on merge base 2446c8b). --------- Co-authored-by: joaomarcos <joaomarcosdias444@gmail.com> Co-authored-by: Claude Opus 5 (1M context) <noreply@anthropic.com> Co-authored-by: Ben Barclay <ben@nousresearch.com>
Summary
Replying "yes" / "approve" / "deny" (plain text, no slash) now resolves a pending dangerous-command approval on messaging platforms — previously it deadlocked into an auto-deny.
Root cause: when the agent is blocked inside
tools/approval.pywaiting for approval, a bare-word reply fell through to the steer/queue/interrupt logic in_handle_active_session_busy_message. The reply got queued behind a turn that can't start until the approval resolves, so the approval timed out and auto-denied. Slash forms (/approve,/deny) already worked; bare words (what Signal/SMS users naturally type) did not.Salvage of @liuhao1024's NousResearch#46924 — their commit's authorship is preserved. Our follow-up commit reuses the canonical handlers and delivers the confirmation reply.
Changes
gateway/run.py: in_handle_active_session_busy_message, whenhas_blocking_approval(session_key)is true, route bare-word approval vocab (yes/approve/ok/y/confirm/deny/no/reject/cancel/n/always/session) through the existing/approveand/denyhandlers — which resolve the waiting thread, resume typing, and return a localized confirmation — then deliver that confirmation to the user (it was silent before). Synthesizes a literal/-prefixed command soget_command_args()parsesalways/sessionon every platform (is_command()only recognizes/).tests/gateway/test_plaintext_approval_routing.py: E2E tests over the real busy-handler path.Why this location is correct
The base-adapter guard (
gateway/platforms/base.py) invokes the busy-session handler before falling back to queueing, so plain text does reach this handler. The fix sits before the steer/queue logic and after the early-return guards (draining, internal synthetic events). Thehas_blocking_approvalgate is the disambiguator — a conversational "yes" with no pending approval is never treated as command approval (preserving the design intent atrun.py's "Pending exec approvals are handled by /approve and /deny" note).Validation
always/sessionmodifiers/approve <arg>14 E2E tests green; adjacent approval/busy suites (
test_approve_deny_commands.py,test_busy_session_ack.py) pass with no regressions.Infographic
Closes NousResearch#46866.
Mirror-of: NousResearch#55884
NousResearch#55884