Files
OmniRoute/tests
Prudhvi Vuda f3fa27f384 fix(backend): fail closed when capability filters empty the combo pool (#8494)
* fix(backend): fail closed when capability filters empty the combo pool

Tools/vision/structured_output filters no longer re-admit the full pool when
every target is incompatible. Opt-in via combo config compatFilterFailOpen.

Closes #8488

* fix(backend): keep tool-emulation providers under fail-closed filters

Carve out providers with toolCalling:"emulated" (#5240) from tools
capability_mismatch so chatgpt-web combos still reach the prompt shim.
Align round-robin compatFilterFailOpen with settings fallback and drop
new any-typed params from the #8488 combo-routing tests.

* chore(lint): prune stale combo-routing-engine any suppressions

Test cleanup in #8488 dropped four no-explicit-any hits; sync the freeze file.

* chore(quality): rebaseline combo.ts + freeze new-above-cap comboStructure.ts

check:file-size was red for this PR's own growth: combo.ts grew 3640->3693
(+53, the capability-filter fail-closed guard + compatFilterFailOpen escape
hatch at both call sites) and combo/comboStructure.ts crossed the 800-line
new-file cap at 918 (describeCapabilityFilterExhaustion +
providerSupportsEmulatedToolCalling for the #5240 emulated-tool-calling
exemption). Both are irreducible orchestration wiring at the existing combo
filter chokepoint (same precedent as #7301's cooldown-retry generalization).
Companion test tests/unit/combo-routing-engine.test.ts frozen at its own
grown size (3409->3449). No logic change; 95/95 tests pass.

Co-authored-by: diegosouzapw <diegosouza.pw@gmail.com>

---------

Co-authored-by: ikelvingo <im.kelvinwong@gmail.com>
Co-authored-by: diegosouzapw <diegosouza.pw@gmail.com>
Co-authored-by: Prudhvivuda <Prudhvivuda@users.noreply.github.com>
Co-authored-by: diegosouzapw <8016841+diegosouzapw@users.noreply.github.com>
2026-07-26 12:11:06 -03:00
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