Commit Graph
4027 Commits
Author SHA1 Message Date
Rod Boev 001d7985bc feat(#6006): instrument send-to-first-token latency 2026-07-13 17:56:44 -04:00
rudidev08 34cf2de57a Fix: "Approve once" no longer persists as a session approval (#6017)
In the local (non-gateway) approval path, _resolve_approval_legacy grouped
"once" together with "session" and called approve_session() for both.
approve_session() records the pattern in the session-wide allowlist that the
guard later consults, so a single "Approve once" click silently approved every
later matching tool call for the whole session -- a destructive tool could then
run with no approval card.

Only "session"/"always" persist now. "once" falls through: the
resolve_gateway_approval() call below still unblocks the parked agent thread for
every choice, so the current tool call proceeds, but nothing is written to
_session_approved and the next matching guarded call re-prompts.

Adds tests/test_issue6017_approve_once_no_persist.py, asserting is_approved is
False after "once" and True after "session".
2026-07-13 13:05:52 -07:00
sheldon-im d7c2cc2d5d Restore focus from non-button session action menus 2026-07-13 19:24:09 +00:00
sheldon-im bc85711af2 Improve conversation actions menu keyboard access 2026-07-13 19:24:09 +00:00
Rod Boev 3ada146d48 fix(#5989): keep colon-suffixed proxy models distinct 2026-07-13 18:57:15 +00:00
Rod Boev ff89f2ebd6 fix(#5989): keep cross-provider live rows selectable 2026-07-13 18:57:15 +00:00
Rod Boev 58725d5de9 fix(#5989): separate picker dedup from restore matching 2026-07-13 18:57:15 +00:00
Rod Boev 052effcfc4 fix(#5989): deduplicate proxy and catalog model rows in the picker 2026-07-13 18:57:15 +00:00
Rui Xue c833f290a9 fix(worktrees): unlock before remove so WebUI-created worktrees can be reaped
WebUI-created worktrees are locked at creation by the agent
(cli._setup_worktree locks with --reason 'hermes pid=...'), but
remove_worktree_for_session never unlocked, so git refused every removal
with "use 'remove -f -f' to override or unlock first" — force=true
included, since a single --force cannot override a lock.

Mirror the agent's own _cleanup_worktree ordering: fail-soft
'git worktree unlock' right before the remove, after all
dirty/untracked/unpushed/stream/terminal guards have passed. Those
guards remain the real safety layer; force keeps meaning 'override
dirty working state', never 'override a foreign lock'.

Tests: locked worktree now removes cleanly without force; unlock is
fail-soft when the worktree was never locked; existing mocked
call-order assertions updated for the leading unlock call.

Fixes #6023
2026-07-13 17:47:58 +00:00
silent-reader-cn 946f7dbc2b fix(media): preserve scanner prose ownership 2026-07-13 07:41:13 +00:00
silent-reader-cn e13a75b7b1 test(media): cover fade MEDIA streaming splits 2026-07-13 07:41:13 +00:00
silent-reader-cn 3b19660235 fix(media): handle fade MEDIA prefix splits 2026-07-13 07:41:13 +00:00
silent-reader-cn a17370ad4a fix(media): harden streamed MEDIA rendering 2026-07-13 07:41:13 +00:00
silent-reader-cn 188a03bb28 fix: remove unused smd media test variable 2026-07-13 07:41:13 +00:00
silent-reader-cn 76940e821d fix: flush smd media tail on stream end 2026-07-13 07:41:13 +00:00
silent-reader-cn 547c218ddf fix: clear fallback smd media tail 2026-07-13 07:41:13 +00:00
silent-reader-cn ca3a1ac04d fix: accept extensionless streaming media urls 2026-07-13 07:41:13 +00:00
silent-reader-cn 13b7080bf0 fix: align smd media boundary extensions 2026-07-13 07:41:13 +00:00
silent-reader-cn 5359b70c6a fix: harden smd media split-tail streaming 2026-07-13 07:41:12 +00:00
silent-reader-cn 7cf8823921 fix: remove unused smd media test variable 2026-07-13 07:41:12 +00:00
silent-reader-cn 0b14ab54e3 fix(webui): split prose/MEDIA paths in streaming interceptor + per-parser tail buffer
Code-level fixes for the two issues Greptile + owner review surfaced:

1. SAFETY (Greptile #1 / owner security regression): the original
   _smdMediaAwareAddText concatenated prose slices + MEDIA HTML into
   one string and handed it to DOMParser. Prose containing HTML
   metacharacters (e.g. <img onerror=...>) would be parsed as live
   elements. Fixed by routing each prose run through baseAddText
   (which calls createTextNode) and only feeding each single MEDIA
   token's trusted _inlineMediaHtmlForRef output through DOMParser.

2. CROSS-CHUNK SPLITS (Greptile #2): smd may deliver a MEDIA: token
   across two flushes (e.g. "MEDIA:C:\...\" then "foo.png"). The
   original implementation would treat each half as separate text
   because neither half terminated cleanly. Fixed with a per-parser
   tail buffer (WeakMap keyed by parser instance) that holds trailing
   bytes ending in "MEDIA:" or MEDIA:<partial-ref> until the next call.

   The tail-buffer boundary detection was also improved: the previous
   `/[\s\)\]]/.test(rest)` incorrectly rejected "before MEDIA:" (the
   whitespace is before MEDIA, not after a completed ref). Replaced
   with `rest.endsWith('MEDIA:')` and `/MEDIA:...$/.exec(rest)`.

Architecture: _smdAppendMediaNode is a new single-token DOM insertion
helper that creates a DocumentFragment from one _inlineMediaHtmlForRef
output. _smdMediaTailSet/_smdMediaTailClear manage the per-parser
buffer. Both _safeSmdRenderer and _streamFadeRenderer now route through
the updated interceptor with tail map and parser identity.

Coverage: test_smd_media_in_stream.py tests the architectural invariants
(helper exists, both renderers delegate, recursion guard, entity-safety,
cross-chunk tail). 222 tests pass across all renderer/behaviour suites.
2026-07-13 07:41:12 +00:00
silent-reader-cn 6950540ed5 fix(webui): render MEDIA: tokens inline during smd streaming
The full renderMd() pipeline maps MEDIA:<path-or-url> tokens to inline
images / video / audio / SVG / PDF / etc. via stash + restore passes.
The streaming smd renderer used by the live assistant body never went
through that pass, so any MEDIA token emitted mid-turn showed up as the
raw path string in the chat window and only became a real <img> once
the turn settled and the full render fired.

Fix:
- Extract the URL/media → HTML mapping in renderMd() into a shared
  helper _inlineMediaHtmlForRef(ref, sessionId) so the streaming path
  can reuse the same DOM the settled message will eventually render.
- Add _smdMediaAwareAddText in messages.js that wraps smd's add_text
  to detect MEDIA tokens in any incoming text chunk and splice the
  resulting <img>/<video>/<a>/<div data-path=...> node directly into
  the smd parent via a DOMParser-created fragment. Plain prose still
  delegates to the renderer it intercepted (so the fade renderer keeps
  its word-by-word animation, the safe renderer keeps its O(n) plain
  text-node insertion).
- Route _safeSmdRenderer.add_text and _streamFadeRenderer.add_text
  through the interceptor. Each fast-paths the no-MEDIA case to the
  original baseAddText so we can't recurse into our own wrapper.

Coverage:
- New test_smd_media_in_stream.py locks in the architectural invariants
  (helper exists, both renderers delegate to it, recursion guard).
- test_renderer_js_behaviour.py driver now provides a minimal
  _inlineMediaHtmlForRef stand-in so renderMd can be invoked standalone
  under node without the rest of ui.js in scope (matches the patterns
  renderMd already relied on for _IMAGE_EXTS / _SVG_EXTS / _AUDIO_EXTS).
- test_svg_audio_video_rendering.py static-count assertions relax from
  ">=2" to ">=1" since audio/video/SVG markup now lives in a single
  shared function rather than being copy-pasted inside renderMd's
  stash-restore closure.
2026-07-13 07:41:12 +00:00
Rod Boev 064ad82ee6 fix(#5940): key pending-turn recovery to exact checkpoints 2026-07-13 03:41:39 +00:00
Rod Boev a87977da33 fix(#5940): settle gateway terminal errors before emitting apperror 2026-07-13 03:41:39 +00:00
Rod Boev e6dea2a32e fix(#5940): attach session identity to gateway apperrors 2026-07-13 03:41:39 +00:00
Rod Boev 60ec437393 fix(#5940): preserve gateway terminal errors after stream failures 2026-07-13 03:41:39 +00:00
Rod Boev bc692cc8ac fix(#5940): classify gateway terminal provider errors instead of generic empty turns 2026-07-13 03:41:39 +00:00
nesquena-hermes 6d0fdcf9e2 test(#5979): add streaming explicitly_picked lifecycle test (Fable fast-follow)
Fable's one recommended fast-follow: the streaming glue that computes
_explicitly_picked from the persisted signature (streaming.py:7905-7931) had no
direct coverage. Adds test_streaming_explicitly_picked_computation_5979 mirroring
that exact comparison across deliberate-pick (honored), stale-after-model-change
(ignored), stale-after-provider-change (ignored), and never-picked (unmarked).

Both advisors passed on the signature mechanism: Codex SAFE TO SHIP (session-update
hole verified closed: update->reload->cold openai/gpt-5.4 strips to gpt-5.4;
b3nw's deliberate pick preserves), Fable 'ship it' (clean data-model invalidation,
correct layering, no #433/#3872/#548 regression). Independent 10-scenario matrix
through the real resolver all correct.
2026-07-13 02:09:21 +00:00
nesquena-hermes 53a4b35555 harden #5979 round 3 (Codex): signature-based explicit-pick provenance
Codex found a verified lifecycle hole: the bare boolean model_explicitly_picked
was not cleared on /api/session/update (api/routes.py:14438-14460 changes+persists
the model/provider without touching it), so after an update+reload the flag stayed
True and a cold #433 stale leftover (openai/gpt-5.4) was wrongly preserved instead
of stripped to gpt-5.4.

Fix (Codex's prescription): replace the unscoped boolean with a SIGNATURE bound to
the routing context.
- api/models.py: new model_explicit_pick_signature(model, provider) ->
  '<model>\x1f<provider>'; Session.model_explicit_pick_signature persisted field
  (replaces the boolean; in METADATA_FIELDS, restored via kwargs, survives restart).
- api/routes.py /api/chat/start: on a fresh explicit_model_pick, stamp the signature
  of the resolved model+provider.
- api/streaming.py: treat the send as a deliberate pick ONLY when the persisted
  signature equals the signature recomputed from the session's CURRENT persisted
  model+provider. Any model/provider change (chat-start, session-update,
  normalization, provider repair) yields a different signature and auto-invalidates
  the stale pick — no per-mutation-site clearing needed.

So: deliberate pick on unchanged context -> preserve (b3nw); any switch away ->
signature mismatch -> unmarked -> legacy strip (#433 stays correct even after a
session-update+cold-restart). Adds signature match/invalidate/persist tests.
75 focused tests pass (resolver + sprint40 + the 2 streaming-mock suites).
2026-07-13 01:58:20 +00:00
nesquena-hermes 3559a867a9 test: fix resolve_model_provider mocks to accept explicitly_picked kwarg
Two streaming tests monkeypatch resolve_model_provider with a fixed-arg lambda
(_model only). The send path now calls it with explicitly_picked=, so the mocks
raised TypeError. Widened both lambdas to (_model, **_kw). Caught by the full
suite (not the focused resolver tests, which call the real function).
2026-07-13 01:45:07 +00:00
nesquena-hermes 45cb5bd3e6 feat(#5979): persisted explicit-pick provenance for cold custom-proxy resolution
Nathan's call: adopt Codex's complete mechanism instead of the unconditional
cold-preserve. The cold-catalog custom-proxy decision is now gated on whether the
user DELIBERATELY selected the model this session, closing the residual where a
stale #433 leftover would preserve+400 on a cold+no-disk send.

Mechanism:
- resolve_model_provider(model_id, *, explicitly_picked=False): in the custom-arm
  cold branch (no warm provenance, not config-declared), explicitly_picked=True
  preserves the vendor namespace verbatim (deliberate pick, proxy routes on it);
  otherwise the legacy redundant-prefix strip runs (stale cross-provider leftover,
  #433). Warm endpoint-advertised provenance still wins over the flag.
- Session.model_explicitly_picked: new persisted field (default False, restored
  from metadata via **kwargs, listed in METADATA_FIELDS so it survives a restart
  — b3nw's exact cold scenario).
- /api/chat/start stamps it: True on a fresh explicit_model_pick; cleared only
  when the resolved model actually CHANGED without a pick (real switch away);
  preserved across plain follow-up sends of the same model (the onchange marker
  is one-shot, so per-send explicit_model_pick alone would drop the intent).
- streaming.py reads s.model_explicitly_picked and passes explicitly_picked= into
  resolve_model_provider (inside the profile scope).

Independent end-to-end matrix (all pass): ben default cold, ben picked non-default
cold+warm, ben stale cold (strips), #433 warm+cold, #3872 bedrock, #548 zai-org.
67 resolver+sprint40 tests pass incl. new explicit-pick + stale-companion +
persistence round-trip.
2026-07-13 01:43:17 +00:00
nesquena-hermes f42b4d14f5 harden #5979 follow-up round 2 (Codex): profile-fingerprint-gated warm no-op
Codex finding: the warm helper's fast no-op (if _models_cache_provenance is not
None: return) ignored WHICH profile the resident provenance belongs to. The
catalog globals are process-wide, so profile B's resident provenance could block
profile A from loading A's own valid disk cache — A would then resolve against
B's advertised ids (verified: profile A provenance resident + profile B bare-only
disk cache -> A's openai/gpt-5.4 wrongly preserved).

Fix: gate BOTH the fast no-op and the post-lock recheck on a current-profile
fingerprint match (_provenance_is_current: prov[1] == _models_cache_source_fingerprint()).
On mismatch the helper falls through, loads THIS profile's disk snapshot, and
republishes provenance stamped with the current fingerprint.

Tests: rewrote noop-when-warm to use the CURRENT runtime fingerprint (genuinely
hits the fast path) and added ignores-foreign-profile-resident (foreign fp -> falls
through -> loads this profile's disk snapshot). 66 resolver+sprint40 tests pass.

NOTE: Codex also re-raised the cold+no-disk #433 case (a stale openai/gpt-5.4 on a
bare-only relay preserves instead of strips when no catalog exists at all). Fable
weighed this exact residual and judged cold-preserve strictly better than master
(loud-fail-and-heal vs silent-recurring-truncation). The two advisors diverge;
surfacing to Nathan rather than auto-adopting the heavier persisted-explicit-pick
mechanism.
2026-07-13 01:43:17 +00:00
nesquena-hermes e3152572aa harden #5979 follow-up per Codex gate: non-blocking disk-only warm + profile scope
Codex gate found two real issues in the send-path warm:

1. Blocking lock wait (CORE): get_available_models(prefer_cache=True) still
   acquires _available_models_cache_lock and can wait up to ~60s (unbounded in
   synchronous rebuild mode) on an in-flight rebuild — unacceptable on the send
   hot path. Rewrote warm_models_catalog_provenance_if_cold as a genuinely
   non-blocking, disk-only publish: try the cache lock NON-BLOCKING (return
   immediately if busy — a concurrent build will publish provenance itself),
   read ONLY the on-disk cache via _load_models_cache_from_disk (no network, no
   rebuild), publish snapshot+fingerprint + _sync_models_cache_provenance().
   Verified: returns in ~3.5ms while the lock is held (was a 60s block).

2. Profile scope (CORE): the streaming worker is a separate thread that does NOT
   inherit the HTTP handler's request-profile TLS. Both the warm and the resolve
   read profile-keyed config (cache path + source fingerprint via
   get_active_profile_name), so a cold send from a NAMED profile could resolve
   against the DEFAULT profile's config and route to the wrong provider/base_url
   (get_available_models reloads config on path mismatch). Wrapped warm + resolve
   in profile_scope_for_detached_worker(_resolved_profile_name) so both see the
   owning session's profile (no-op for default/root).

Tests: rewrote never-live-rebuilds (now asserts warm NEVER calls
get_available_models — reads disk directly) and added a non-blocking regression
(warm returns <2s while the cache lock is held). 65 resolver+sprint40 tests pass;
b3nw end-to-end + non-blocking + disk-warm all verified.
2026-07-13 01:43:17 +00:00
nesquena-hermes 6745827eb5 fix(#5979 follow-up): preserve custom-proxy vendor namespace on cold-catalog sends
The earlier #5979 fix (PR #5980, exp-v0.52.53) resolved the WARM-catalog and
config-declared cases, but b3nw confirmed truncation persists on exp-v0.52.55/56.

Root cause (reproduced on master, confirmed by Codex + Fable):
b3nw's config is provider: custom:llm-proxy, model.default: x-ai/grok-4.5, no
models[] allowlist. His DEFAULT (x-ai/grok-4.5) preserves via config-declaration,
but a model he SELECTS in the picker that isn't the default (x-ai/grok-composer-2.5-fast)
truncates on every COLD send. The send path (api/streaming.py:7857) calls
resolve_model_provider without warming the catalog, and the #1855 chat/start fast
path deliberately skips the catalog when a session already has a persisted
model+provider -- so 'cold at send' is the designed state after any restart /
settings-save / cache-expiry, not a rare race. With provenance None and no config
declaration, the #5980 tri-state fell through to the LEGACY family strip
(if prefix in _PROVIDER_MODELS and _is_first_party_model: return bare), and
grok-composer-2.5-fast had graduated into the x-ai first-party catalog -> stripped.

Fix (two changes, both advisor-verified):
1. Flip the custom-arm cold default from family-strip to PRESERVE-verbatim
   (api/config.py). For an explicit custom / custom:<slug> proxy the strip now
   requires POSITIVE provenance (endpoint advertises only the bare id, #433). A
   wrong strip destroys routing info the user can't recover; a wrong preserve
   fails loudly and self-heals on warm. This also honours _endpoint_advertised_model_ids's
   own documented 'None -> preserve verbatim' contract and removes the data-driven
   flaw where a model graduating into the static catalog silently flips routing.
2. Network-free provenance warm on the send path
   (warm_models_catalog_provenance_if_cold, called in streaming.py before the
   resolve). prefer_cache=True republishes provenance from the durable disk cache
   (no live probe, no _cfg_lock held on the worker thread -> no lock-order
   deadlock), so #433's bare-only-strip stays exact whenever a disk cache exists.

Residual (accepted, strictly better than master): a #433-shaped wrong-preserve
now requires memory cold AND disk cache absent/invalid (first run, post-config-save
window, schema/version bump). It fails loudly and heals on the next /api/models or
session-visit rebuild. Under master b3nw's failure was the mirror image but silent,
recurring every send, and unfixable short of declaring every model in config.

Supersedes rodboev's #5996, which targeted the providers.<slug> arm and does not
cover b3nw's actual custom:llm-proxy config (confirmed by Codex).

Tests: rewrite the cold-fallback test (strip -> preserve), sharpen the
foreign-profile test so trusted-strip vs ignored-preserve genuinely diverge, add
b3nw's exact cold non-declared custom:slug case, and add three warm-helper tests
(publishes-from-disk, noop-when-warm, never-live-rebuilds). 64 resolver+sprint40
tests pass; b3nw end-to-end verified; #433 positive-provenance strip verified.

Thanks @b3nw for the CLI-vs-WebUI comparison that localized it.
2026-07-13 01:43:17 +00:00
nesquena-hermes 5e9116db95 Release exp: no false no-response after final tool (#5990, closes #5686). Thanks @jtstothard.
Final-answer detection understands structured content parts (text after tool-use
boundaries); genuine empty completions still show no_response; terminal provider
error still surfaces as apperror (never masked). Codex SAFE round2 (3 precedence
findings fixed), stream-gate GREEN all modes. Maintainer: updated the #5940 source-
assert test for the _captured_terminal_failure rename.
2026-07-13 01:28:48 +00:00
Jay Stothard c8bf3a1058 fix(streaming): preserve terminal failure precedence 2026-07-12 22:39:15 +00:00
Jay Stothard fe222d4ba2 fix(streaming): avoid false no-response after final tool answer 2026-07-12 22:39:15 +00:00
Jaret Bottoms 30e32cb11e fix(cron): restrict reverse root-alias match to proven root names
The round-3 equivalence shortcut accepted any origin when the active
profile was literal 'default', so another profile's cron marker was
treated as active-owned and never cleared on switch (reverse
under-clear). Match now requires the origin name itself to resolve to
the root profile: the literal 'default' alias, or a roster entry
flagged is_default. Unknown names fall back to exact-name semantics.

Adds profile-a -> default regressions covering tagged and
legacy-untagged old-profile markers (cleared) alongside current-root,
renamed-root-alias, and non-cron markers (kept), plus a no-roster
fail-closed case.
2026-07-12 19:20:53 +00:00
Jaret Bottoms 617c1f451d fix(cron): drop stale pre-switch session-list completion marks
Greptile #5975 P1: capture _cronPollGeneration before /api/sessions await and
re-check in _applySessionListPayload before completion-unread marking so a
delayed profile-A response cannot remount cron dots after switch to B.
Also skip inactive-profile cron marks in single-profile mode. Tests cover the
race, positive path, and collateral call-shape contracts.
2026-07-12 19:20:53 +00:00
Jaret Bottoms b17e76d171 test: allow optional meta arg in polling unread mark assertion
CI shard 2 failed test_issue856 structural check that required the exact
two-arg _markSessionCompletionUnread call; #5975 now passes cron meta.
2026-07-12 19:20:53 +00:00
Jaret Bottoms 4c5a21cef3 fix(cron): close untagged persisted unread leak + root-alias over-clear
Address hermes-webui #5975 re-gate: tag session-list completion markers for
cron rows, resolve/migrate legacy untagged markers from sidebar metadata, and
use default/renamed-root profile equivalence when clearing inactive-profile
cron dots so current-root markers stay unread.
2026-07-12 19:20:53 +00:00
Jaret Bottoms 991b884ed2 fix(cron): clear persisted unread markers on profile switch
Gate review on #5975: sticky all-profile sidebars still showed old-profile
cron dots because hermes-session-completion-unread was not profile-scoped.
Tag cron markers with source+profile, drop inactive-profile cron markers in
the shared switch reset (both paths), and leave ordinary chat unread alone.
2026-07-12 19:20:53 +00:00
Jaret Bottoms a8ef99b830 no-mistakes(review): Reset cron unread state on alternate profile switches 🔧🟠 2026-07-12 19:20:53 +00:00
Jaret Bottoms 67e527fd74 fix(cron): guard profile-switch polling races 2026-07-12 19:20:53 +00:00
Jaret Bottoms 1a64fc68dd fix(cron): scope unread badges to active profile 2026-07-12 19:20:53 +00:00
f8546915ab Release exp-v0.52.55: localize manual Docker update guidance (#5973, #5959) (#5985)
* fix(i18n): localize manual Docker update guidance

* Release exp-v0.52.55: localize manual Docker update guidance (#5973, #5959)

---------

Co-authored-by: KaliShodan <25535214+jbbottoms@users.noreply.github.com>
Co-authored-by: nesquena-hermes <agent@nesquena-hermes>
2026-07-11 23:53:02 -07:00
8f38bc0bf6 Release exp-v0.52.54: stabilize cross-platform WebUI test suite (#5970) (#5984)
* test: stabilize cross-platform WebUI suite

* Release exp-v0.52.54: stabilize cross-platform WebUI test suite (#5970)

---------

Co-authored-by: Taha Bakhit <git@tahabakhit.com>
Co-authored-by: nesquena-hermes <agent@nesquena-hermes>
2026-07-11 23:48:38 -07:00
nesquena-hermes 12a68ba27d test(#5979): stub grok-4.5 into x-ai catalog instead of asserting live presence
CI's hermes-agent catalog version may not contain grok-4.5, so asserting the
live _PROVIDER_MODELS['x-ai'] already lists it failed on CI (shard 4, all py
versions). Reproduce the data-driven first-party trigger deterministically by
stubbing grok-4.5 into the x-ai catalog for the test (restored in finally),
regardless of the agent version CI runs against. The other #5979 tests preserve
x-ai/grok-4.5 via the advertised-full / cold-unknown-prefix paths, which don't
depend on x-ai being a known first-party prefix.
2026-07-12 05:41:08 +00:00
nesquena-hermes 1443288dee harden #5979 round 3 (Codex): lock-free atomic (snapshot,fingerprint) provenance
The round-2 fix acquired _available_models_cache_lock in the resolver to read
the snapshot+fingerprint consistently. Codex found that introduces a DEADLOCK:
config-save takes _cfg_lock -> _available_models_cache_lock while catalog-refresh
takes _available_models_cache_lock -> _cfg_lock (lock-order inversion), and it
also makes every send wait behind a catalog rebuild.

Fix: publish an immutable (snapshot, publisher_fingerprint) tuple atomically via
_sync_models_cache_provenance() at every cache publish/invalidate site (9 sites),
and have _endpoint_advertised_model_ids read that single global with ONE lock-free
load. Reading one tuple can't tear (GIL), acquires no lock (no ordering edge, no
deadlock), and never blocks behind a rebuild. A reader racing a publish sees the
previous consistent pair, never a torn snapshot/fingerprint.

Verified: two-thread probe — resolver completes in 0.0001s while another thread
holds _available_models_cache_lock (was the deadlock). Real catalog build publishes
the provenance tuple and closes the P0 end-to-end. Adds a deadlock-regression test.
2026-07-12 05:41:08 +00:00
nesquena-hermes 036c671f14 harden #5979 round 2 (Codex): atomic snapshot+fingerprint read + tri-state cold fallback
Two more real issues from the second Codex gate:

1. Atomic provenance read: _endpoint_advertised_model_ids read the global
   snapshot and its source fingerprint as two unlocked steps, while publishers
   assign the new snapshot BEFORE computing the fingerprint (streaming.py
   publish sites). In that window profile B's freshly-published catalog could
   validate against profile A's still-current fingerprint and strip against the
   wrong catalog. Fix: acquire _available_models_cache_lock (RLock) across the
   snapshot read + fingerprint check + memo build, so the pair is always
   consistent. The lock is held only for the two-assignment publish (the network
   rebuild runs before it), so the per-send acquisition never blocks on a probe.

2. Tri-state cold fallback (was: unconditional cold->preserve): an unconditional
   verbatim fallback newly broke the #433 relay cold path (openai/gpt-5.4 sent
   to a relay that only accepts gpt-5.4; master stripped it). Now:
     (1) config declares the full id verbatim (model.default / model.models /
         custom_providers[].models) -> preserve (network-free, survives a cold
         restart -> #5979 works cold via b3nw's model.default)
     (2) endpoint catalog advertised it -> full=preserve / bare-only=strip
     (3) genuinely unknown (cold + not declared) -> LEGACY family heuristic, so
         the edge is never worse than pre-fix: first-party redundant prefix
         still strips (#433 cold), intrinsic/unknown preserved (#3872/#548).
   The #5979 active-user path can't reach (3): a selected id is either
   config-declared or in the catalog the dropdown was built from.

New _model_id_declared_in_config() provides the config-provenance signal.
Tests updated: cold-fallback-to-legacy, config-declared-cold-preserve,
foreign-profile-catalog-ignored (proves untrusted snapshot is not used).
2026-07-12 05:41:08 +00:00