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fix(opencode): complete generated model limits - #8869

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diegosouzapw merged 8 commits into
diegosouzapw:release/v3.8.50from
xiaoyaner0201:fix/8849-opencode-limit-output
Aug 7, 2026
Merged

diegosouzapw merged 8 commits into
diegosouzapw:release/v3.8.50from
xiaoyaner0201:fix/8849-opencode-limit-output

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@xiaoyaner0201

@xiaoyaner0201 xiaoyaner0201 commented Jul 28, 2026 •

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Summary

Fixes the OpenCode config generator so every emitted limit object is schema-complete while preserving the existing rule that models with no limit metadata omit limit entirely.

Fixes #8849.

Root cause

buildModelEntry() computed an 8_192 output fallback, but the emission branch only assigned limit.output when an existing config or catalog value was already present. Catalog entries with context/input metadata but no output metadata therefore produced partial objects that OpenCode 1.18.8 rejects before startup.

Changes

  • complete emitted OpenCode model limits with the existing output fallback when catalog limit metadata exists but output is unknown;
  • preserve explicit manual output overrides and verified catalog output values;
  • keep models with no limit metadata free of a fabricated limit object;
  • cover context-only, context+input, context+input+output, no-limit, and manual-override cases;
  • pin opencode-ai@1.18.8 as a test fixture and validate generated config through both the current schema and debug startup;
  • keep the lockfile on the approved https://registry.npmjs.org registry.
  • add the required changelog.d/fixes/8869-opencode-complete-model-limits.md fragment after the Draft PR number was assigned.

TDD evidence

Verification

Code candidate after non-destructively merging the latest release/v3.8.49:

  • base: 43625ecc3246e2bcb0e23fe265c6a36e3e1d260f
  • tested HEAD: 1737570ce4d86a412759922313f796cc60c43a5f
  • tested tree: cd974b8258bcbe2bcd149df18e19fce34d998a18
  • final publication HEAD: f1482b8a14239a5f3464dbdba5ba69d30eb9c749
  • final publication tree: e9f7bbf080b8dfb7a6f82152238e69f0b5a851e2 (adds only the required changelog fragment)

Passed on the tested code tree:

  • focused fix: OpenCode config generator creates invalid model limits without limit.output #8849 unit tests: 2/2
  • full related config-generator unit file: 30/30
  • pinned OpenCode schema/startup integration: 1/1
  • npm run check:file-size
  • npm run check:lockfile
  • npm run check:test-discovery
  • npm run check:test-runner-api
  • npm run typecheck:core
  • Prettier check on all changed files
  • ESLint on changed source/tests
  • npm ci --dry-run --ignore-scripts
  • full npm run lint
  • full npm run build (passes with the repository's existing Turbopack broad-pattern warnings)
  • git diff --check upstream/release/v3.8.49...HEAD

On the final publication tree, npm run check:changelog-integrity, Prettier for the fragment, the repository pre-commit hooks, and git diff --check also pass.

Broader-suite caveat

A full npm run test was attempted. It did not terminate after more than 11 minutes because unrelated existing tests remained pending (auth-noauth-fallback-loop-3061.test.ts and quota-redis-store.test.ts). Before termination, four tests in antigravity-oauth-postexchange-nonblocking.test.ts were cancelled by the parent runner due pending-promise/event-loop interaction. That file is outside this PR's diff; run independently, it passes 5/5 on both this branch and the exact upstream base, each in about 32 seconds. No #8849-focused or related test failed.

Review

An independent read-only review returned PASS with no unresolved blocking findings on the feature tree 2d9471a4b44a142329ed5bcc1b8c3ec661a8f174 / 340b3a5bb3213bc3377e4558f43e358a7e1588ae. Final system acceptance was repeated after merging newer non-overlapping upstream commits and re-running the gates above.

@diegosouzapw
diegosouzapw changed the base branch from release/v3.8.49 to release/v3.8.50 July 28, 2026 18:39
@diegosouzapw

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Re-homed to release/v3.8.50: v3.8.49 entered its release freeze, so the branch now belongs to the release captain and development continues on the next cycle. Nothing is wrong with this PR — it just needed a live base. No action needed from you; CI will re-run against the new base.

@diegosouzapw

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Review: PR #8869 — fix(opencode): complete generated model limits

Verdict: merge-ready (4/5 stars)

Completes model limits in the opencode config generator. Unit + integration tests included. Changelog added.

Ready to merge.

@diegosouzapw
diegosouzapw marked this pull request as ready for review August 7, 2026 23:48
@diegosouzapw
diegosouzapw self-requested a review as a code owner August 7, 2026 23:48
@diegosouzapw
diegosouzapw merged commit 5d71f47 into diegosouzapw:release/v3.8.50 Aug 7, 2026
13 checks passed
diegosouzapw added a commit that referenced this pull request Aug 8, 2026
…onses API payload regression, born-red stdio test, gate drifts

Six independent base-reds from the 08-07 evening merge batch, each verified
against the pure release/v3.8.50 tip:

- src/sse/handlers/chat.ts: #9467's squash carried a refactor hunk that
  renamed the all-rate-limited breaker guard to an UNDEFINED variable
  (isAllRateLimited) — a production ReferenceError on the all-accounts-429
  path (chat.ts is outside typecheck:core scope, so only tests caught it).
  Restore credentials?.allRateLimited. Guard: chat-rate-limit-body-lock (2/2),
  also un-breaks batch_api and chat-combo-live-test.
- open-sse/utils/stream.ts: #9315 switched providerPayload summaries to the
  accumulated responseBody, but in passthrough paths that body is synthesized
  in chat-completion shape — Responses API lost its `response` object in the
  dashboard payload. Keep the events-derived summary for OPENAI_RESPONSES
  only. Guard: stream-utils + stream-collector-9315 suites (51/51).
- tests/unit/mcp-stdio-json-purity.test.ts: born red — the full CLI chain
  takes ~10s (2x tsx import + DB init) and the test slept a fixed 4s. Poll
  for the first stdout line with a 60s deadline instead.
- tests/unit/plugins-route-error-sanitization.test.ts: register #9445's new
  marketplace/install route in PLUGIN_ROUTES (route already sanitizes) (33/33).
- tests/unit/provider-models-route-codex.test.ts: realign pinned GPT-5.6
  input limit to #9432's deliberate 272000→922000 bump (7/7).
- lint: fix 11 no-explicit-any errors in repro-9630 + specialty-9293 tests,
  prune 1 orphaned suppression, allowlist the opencode-ai devDependency
  (#8869, publisher-verified), and reword a doc line the fabricated-docs
  gate misread as an env var.

Gates re-verified locally: lint:json --max-warnings 0 exit 0, dead-code 227,
typecheck:core clean, check:deps OK, check:fabricated-docs OK.

Refs #9737
diegosouzapw added a commit that referenced this pull request Aug 8, 2026
…hat.ts, Responses payload regression, born-red stdio test, gate drifts (#9757)

* fix(ci): drop unused RadarReferrals type export — dead-code ratchet back to 227 baseline

The radar referral-links feature (#9697) exported the inferred type
RadarReferrals from feedSchema.ts but nothing imports it (the singular
RadarReferral is the consumed type). knip counts it as a new dead export,
pushing the dead-code ratchet to 228 > 227 and failing Fast Quality Gates
on every PR born after the merge. RadarReferralsSchema itself stays — it
is used by RadarFeedSchema.

Refs #9737

* fix(ci): clear the 08-08 base-red layer — prod crash in chat.ts, Responses API payload regression, born-red stdio test, gate drifts

Six independent base-reds from the 08-07 evening merge batch, each verified
against the pure release/v3.8.50 tip:

- src/sse/handlers/chat.ts: #9467's squash carried a refactor hunk that
  renamed the all-rate-limited breaker guard to an UNDEFINED variable
  (isAllRateLimited) — a production ReferenceError on the all-accounts-429
  path (chat.ts is outside typecheck:core scope, so only tests caught it).
  Restore credentials?.allRateLimited. Guard: chat-rate-limit-body-lock (2/2),
  also un-breaks batch_api and chat-combo-live-test.
- open-sse/utils/stream.ts: #9315 switched providerPayload summaries to the
  accumulated responseBody, but in passthrough paths that body is synthesized
  in chat-completion shape — Responses API lost its `response` object in the
  dashboard payload. Keep the events-derived summary for OPENAI_RESPONSES
  only. Guard: stream-utils + stream-collector-9315 suites (51/51).
- tests/unit/mcp-stdio-json-purity.test.ts: born red — the full CLI chain
  takes ~10s (2x tsx import + DB init) and the test slept a fixed 4s. Poll
  for the first stdout line with a 60s deadline instead.
- tests/unit/plugins-route-error-sanitization.test.ts: register #9445's new
  marketplace/install route in PLUGIN_ROUTES (route already sanitizes) (33/33).
- tests/unit/provider-models-route-codex.test.ts: realign pinned GPT-5.6
  input limit to #9432's deliberate 272000→922000 bump (7/7).
- lint: fix 11 no-explicit-any errors in repro-9630 + specialty-9293 tests,
  prune 1 orphaned suppression, allowlist the opencode-ai devDependency
  (#8869, publisher-verified), and reword a doc line the fabricated-docs
  gate misread as an env var.

Gates re-verified locally: lint:json --max-warnings 0 exit 0, dead-code 227,
typecheck:core clean, check:deps OK, check:fabricated-docs OK.

Refs #9737

* fix(ci): clear the third 08-08 base-red layer — invalid ru rule pack, stale event pin, orphaned UI repro test, pack/mutation/file-size drifts

Follow-up to the previous layer: the serial fast-gates chain unmasked one
more stratum after file-size/dead-code went green, all verified against the
merged release/v3.8.50 tip:

- compression rules ru/ultra.json (#9581): two rules shipped
  minIntensity "notes", which is not a valid CavemanIntensity
  (lite|full|ultra) — loading ANY language pack list threw and killed the
  rtk-loader suite. Mapped both to "ultra" (they are the most aggressive
  punctuation/case rules, matching the en pack tiers). 2/2.
- plugins-welcome-banner-e2e: #9668 added the onStreamComplete builtin
  event (real emission path via runOnStreamCompleteHooks) and missed this
  pinned-list sibling. 35/35.
- tests/unit/free-pool-frontend-repro (#9046): landed as .tsx with
  node:test semantics — no runner collects tests/unit/*.tsx, so it NEVER
  ran (test-discovery NEW-orphan). It contains zero JSX; renamed to .test.ts
  so the unit runner's existing glob collects it. 5/5 (first real run).
- pack-policy: allow + require bin/mcpStdioConsoleGuard.mjs (#9281) — it is
  preloaded via node --import by bin/mcp-server.mjs, so a published artifact
  without it crashes 'omniroute --mcp' at startup.
- stryker.conf.json: add 5 covering unit tests from the batch (#8779/#9204/
  #9330/#9630/openrouter-passthrough) to tap.testFiles (--strict drift).
- file-size-baseline: consolidate the base-drift rebaseline for the 12
  files grown by the 08-06..08-08 batches (#9616's entries never reached the
  base; measured on this branch's tree — this PR's own source edits add zero
  lines to any frozen file).

Local battery: file-size/deps/test-discovery/mutation/pack-policy/dead-code/
duplication/docs-all/secrets/vuln/workflows ratchets all exit 0; full lint
gate --max-warnings 0 exit 0.

Refs #9737

* fix(types): clear the 3 uncovered open-sse-typecheck regressions + realign combo skip-code siblings

Fourth base-red layer unmasked by the serial gates. The other 4 typecheck
regressions (codex.ts, kiro.ts, tierResolver.test.ts, translator/index.ts)
already have dedicated open [TS7] PRs (#9748/#9753/#9742/#9747) — not
duplicated here. This commit covers only what no open PR owns:

- devin-agentic/serializer.ts TS2367: drop the dead 'role === "system"'
  branch — the guard above already narrows role to user|assistant (system
  throws unsupported_role). Devin suites 104/104.
- raycast.ts TS2416: the buildHeaders 'override' never matched the base
  signature (2nd param is the signed payload string, not the stream
  boolean) — renamed to a private buildRaycastRequestHeaders helper so a
  polymorphic buildHeaders(credentials, true) call can never bind here.
- modelMetadataRegistry.ts TS2352: PricingByProvider → nested-record cast
  now goes through unknown (shape is runtime-guarded by findInsensitive).
- combo-routing-engine.test.ts: realign 2 pre-dispatch-skip expectations to
  #9630's deliberate ALL_TARGETS_SKIPPED contract (87/87).

Refs #9737

* fix(ci): clear the fifth 08-08 base-red layer — reasoning-placeholder contract sweep, GPT-5.6 limits sweep, vi key parity

The 08-08 merges (#9610 reasoning replay, #9432 GPT-5.6 limits, #9630 combo
skip codes, #9336 provider key links) each changed a contract and left
sibling tests pinning the old one. Full grep sweep per contract, not just
the shard that happened to go red:

- reasoning placeholder (#9573/#9610): the fix DELIBERATELY removed
  NON_ANTHROPIC_THINKING_PLACEHOLDER injection on cache miss — the model
  echoed the placeholder as its own reasoning (empty stop) and re-poisoned
  cache + client history; DeepSeek's 400 is specific to an EMPTY STRING, not
  an absent field. Realigned reasoning-cache (2 cases, renamed to describe
  omission) + tool-request-sanitization (1 case + dead import). 60/60.
- GPT-5.6 Codex limits (#9432, 272000 -> 1050000 ctx / 922000 input):
  realigned vscode-token-routes-gpt56 (2) + vscode-token-routes (3). 43/43
  together with t23-t24.
- combo skip codes (#9630): t23-t24-fallback-resilience T24 now expects
  ALL_TARGETS_SKIPPED like the combo-routing-engine siblings.
- vi.json key parity: #9336 added providers.getApiKey/getApiKeyDescription
  to en.json without syncing vi (the only locale with a parity gate).
  Translated both; providers block reordered to match en key order. 5/5.
- pack-artifact-policy.test.ts: sibling of this PR's own required-paths
  change (bin/mcpStdioConsoleGuard.mjs). 10/10.
- combo-routing-engine.test.ts: dropped the 6 comment lines added in the
  previous commit so the frozen test file-size stays at its baseline (the
  rationale lives in that commit message, not the test body).

Gates: file-size, test-discovery, mutation-test-coverage, pack-policy,
open-sse-typecheck, dead-code all exit 0.

Refs #9737

* fix(translator): keep the reasoning_content placeholder for Xiaomi MiMo — #9610 traded one live 400 for another

The xiaomi-mimo replay test (9router#1321) went red on the base after #9610
removed the NON_ANTHROPIC_THINKING_PLACEHOLDER injection globally. That test
is NOT stale — it guards a documented upstream 400 ('Param Incorrect: The
reasoning_content in the thinking mode must be passed back to the API'), so
realigning it would have masked a reintroduced production bug.

Two real bugs conflict here:
- #9573: forwarding the placeholder makes the model continue its chain of
  thought FROM that text (echo -> empty stop) and re-poisons cache/history.
- 9router#1321/#1337: omitting reasoning_content on a plain replay turn makes
  Xiaomi MiMo reject the request outright.

#9610's evidence for omitting is provider-specific — it verified that
deepseek-v4-flash accepts an ABSENT field. It does not extend to MiMo. So the
omission stays for every provider #9610 covered, and the placeholder survives
the cache miss only for xiaomi-mimo (new requiresReasoningContentPresence
predicate next to isReasoningOnlyReplayTarget). The echo that comes back is
still stripped on the way in by isInternalReasoningPlaceholder(), so #9573's
cache/history poisoning stays fixed for MiMo too.

Both contracts now hold simultaneously: xiaomi-mimo replay + reasoning-cache +
tool-request-sanitization 61/61; placeholder-strip/responses/translator/combo
regression sweep 168/168. Gates: file-size, open-sse-typecheck, dead-code,
mutation-test-coverage exit 0; typecheck:core clean.

A live check on the VPS (Hard Rule #18 path 2) is the only way to confirm the
DeepSeek half of #9610's empirical claim; flagging it in the PR rather than
widening this fix on speculation.

Refs #9737

* test(translator): pin the reasoning-placeholder provider scope so neither half of the conflict can silently re-break

#9610 removed the placeholder globally on the strength of ONE provider's
observed behavior (deepseek-v4-flash accepting an absent reasoning_content),
which re-opened the MiMo 400 (9router#1321). The previous commit scoped the
placeholder to xiaomi-mimo; this pins BOTH directions in one test so the next
global edit fails loudly instead of trading the bugs again:

- xiaomi-mimo plain replay turn, cache miss -> reasoning_content present
  (narrowing the scope away from MiMo re-opens 9router#1321)
- deepseek plain replay turn, cache miss -> reasoning_content absent
  (widening it back to DeepSeek re-opens the #9573 echo bug)

Guard verified by mutation: forcing requiresReasoningContentPresence() to
return true makes the DeepSeek half fail (1 pass / 1 fail), and the file was
restored from the pre-probe copy before committing.

Also checked kimi-coding/kimi-coding-apikey, the other strict-contract entries
in REASONING_REPLAY_PROVIDERS: their originating PR (#7673) fixes capture and
replay of REAL reasoning and documents no 400 on an absent field, so they stay
out of the placeholder scope — evidence-scoped, not speculatively widened.

Reasoning suites together: 87/87. Gates: file-size, test-discovery,
mutation-test-coverage, dead-code exit 0; eslint clean.

Refs #9737

---------

Co-authored-by: diegosouzapw <diegosouzapw@users.noreply.github.com>
muhamadgalihsaputra pushed a commit to niyatna/NiyatnaRoute that referenced this pull request Sep 27, 2026
Merge-train validated (tip 6ce4effef8). Vitest failures confirmed as base-red (diegosouzapw#9679).
muhamadgalihsaputra pushed a commit to niyatna/NiyatnaRoute that referenced this pull request Sep 27, 2026
…hat.ts, Responses payload regression, born-red stdio test, gate drifts (diegosouzapw#9757)

* fix(ci): drop unused RadarReferrals type export — dead-code ratchet back to 227 baseline

The radar referral-links feature (diegosouzapw#9697) exported the inferred type
RadarReferrals from feedSchema.ts but nothing imports it (the singular
RadarReferral is the consumed type). knip counts it as a new dead export,
pushing the dead-code ratchet to 228 > 227 and failing Fast Quality Gates
on every PR born after the merge. RadarReferralsSchema itself stays — it
is used by RadarFeedSchema.

Refs diegosouzapw#9737

* fix(ci): clear the 08-08 base-red layer — prod crash in chat.ts, Responses API payload regression, born-red stdio test, gate drifts

Six independent base-reds from the 08-07 evening merge batch, each verified
against the pure release/v3.8.50 tip:

- src/sse/handlers/chat.ts: diegosouzapw#9467's squash carried a refactor hunk that
  renamed the all-rate-limited breaker guard to an UNDEFINED variable
  (isAllRateLimited) — a production ReferenceError on the all-accounts-429
  path (chat.ts is outside typecheck:core scope, so only tests caught it).
  Restore credentials?.allRateLimited. Guard: chat-rate-limit-body-lock (2/2),
  also un-breaks batch_api and chat-combo-live-test.
- open-sse/utils/stream.ts: diegosouzapw#9315 switched providerPayload summaries to the
  accumulated responseBody, but in passthrough paths that body is synthesized
  in chat-completion shape — Responses API lost its `response` object in the
  dashboard payload. Keep the events-derived summary for OPENAI_RESPONSES
  only. Guard: stream-utils + stream-collector-9315 suites (51/51).
- tests/unit/mcp-stdio-json-purity.test.ts: born red — the full CLI chain
  takes ~10s (2x tsx import + DB init) and the test slept a fixed 4s. Poll
  for the first stdout line with a 60s deadline instead.
- tests/unit/plugins-route-error-sanitization.test.ts: register diegosouzapw#9445's new
  marketplace/install route in PLUGIN_ROUTES (route already sanitizes) (33/33).
- tests/unit/provider-models-route-codex.test.ts: realign pinned GPT-5.6
  input limit to diegosouzapw#9432's deliberate 272000→922000 bump (7/7).
- lint: fix 11 no-explicit-any errors in repro-9630 + specialty-9293 tests,
  prune 1 orphaned suppression, allowlist the opencode-ai devDependency
  (diegosouzapw#8869, publisher-verified), and reword a doc line the fabricated-docs
  gate misread as an env var.

Gates re-verified locally: lint:json --max-warnings 0 exit 0, dead-code 227,
typecheck:core clean, check:deps OK, check:fabricated-docs OK.

Refs diegosouzapw#9737

* fix(ci): clear the third 08-08 base-red layer — invalid ru rule pack, stale event pin, orphaned UI repro test, pack/mutation/file-size drifts

Follow-up to the previous layer: the serial fast-gates chain unmasked one
more stratum after file-size/dead-code went green, all verified against the
merged release/v3.8.50 tip:

- compression rules ru/ultra.json (diegosouzapw#9581): two rules shipped
  minIntensity "notes", which is not a valid CavemanIntensity
  (lite|full|ultra) — loading ANY language pack list threw and killed the
  rtk-loader suite. Mapped both to "ultra" (they are the most aggressive
  punctuation/case rules, matching the en pack tiers). 2/2.
- plugins-welcome-banner-e2e: diegosouzapw#9668 added the onStreamComplete builtin
  event (real emission path via runOnStreamCompleteHooks) and missed this
  pinned-list sibling. 35/35.
- tests/unit/free-pool-frontend-repro (diegosouzapw#9046): landed as .tsx with
  node:test semantics — no runner collects tests/unit/*.tsx, so it NEVER
  ran (test-discovery NEW-orphan). It contains zero JSX; renamed to .test.ts
  so the unit runner's existing glob collects it. 5/5 (first real run).
- pack-policy: allow + require bin/mcpStdioConsoleGuard.mjs (diegosouzapw#9281) — it is
  preloaded via node --import by bin/mcp-server.mjs, so a published artifact
  without it crashes 'omniroute --mcp' at startup.
- stryker.conf.json: add 5 covering unit tests from the batch (diegosouzapw#8779/diegosouzapw#9204/
  diegosouzapw#9330/diegosouzapw#9630/openrouter-passthrough) to tap.testFiles (--strict drift).
- file-size-baseline: consolidate the base-drift rebaseline for the 12
  files grown by the 08-06..08-08 batches (diegosouzapw#9616's entries never reached the
  base; measured on this branch's tree — this PR's own source edits add zero
  lines to any frozen file).

Local battery: file-size/deps/test-discovery/mutation/pack-policy/dead-code/
duplication/docs-all/secrets/vuln/workflows ratchets all exit 0; full lint
gate --max-warnings 0 exit 0.

Refs diegosouzapw#9737

* fix(types): clear the 3 uncovered open-sse-typecheck regressions + realign combo skip-code siblings

Fourth base-red layer unmasked by the serial gates. The other 4 typecheck
regressions (codex.ts, kiro.ts, tierResolver.test.ts, translator/index.ts)
already have dedicated open [TS7] PRs (diegosouzapw#9748/diegosouzapw#9753/diegosouzapw#9742/diegosouzapw#9747) — not
duplicated here. This commit covers only what no open PR owns:

- devin-agentic/serializer.ts TS2367: drop the dead 'role === "system"'
  branch — the guard above already narrows role to user|assistant (system
  throws unsupported_role). Devin suites 104/104.
- raycast.ts TS2416: the buildHeaders 'override' never matched the base
  signature (2nd param is the signed payload string, not the stream
  boolean) — renamed to a private buildRaycastRequestHeaders helper so a
  polymorphic buildHeaders(credentials, true) call can never bind here.
- modelMetadataRegistry.ts TS2352: PricingByProvider → nested-record cast
  now goes through unknown (shape is runtime-guarded by findInsensitive).
- combo-routing-engine.test.ts: realign 2 pre-dispatch-skip expectations to
  diegosouzapw#9630's deliberate ALL_TARGETS_SKIPPED contract (87/87).

Refs diegosouzapw#9737

* fix(ci): clear the fifth 08-08 base-red layer — reasoning-placeholder contract sweep, GPT-5.6 limits sweep, vi key parity

The 08-08 merges (diegosouzapw#9610 reasoning replay, diegosouzapw#9432 GPT-5.6 limits, diegosouzapw#9630 combo
skip codes, diegosouzapw#9336 provider key links) each changed a contract and left
sibling tests pinning the old one. Full grep sweep per contract, not just
the shard that happened to go red:

- reasoning placeholder (diegosouzapw#9573/diegosouzapw#9610): the fix DELIBERATELY removed
  NON_ANTHROPIC_THINKING_PLACEHOLDER injection on cache miss — the model
  echoed the placeholder as its own reasoning (empty stop) and re-poisoned
  cache + client history; DeepSeek's 400 is specific to an EMPTY STRING, not
  an absent field. Realigned reasoning-cache (2 cases, renamed to describe
  omission) + tool-request-sanitization (1 case + dead import). 60/60.
- GPT-5.6 Codex limits (diegosouzapw#9432, 272000 -> 1050000 ctx / 922000 input):
  realigned vscode-token-routes-gpt56 (2) + vscode-token-routes (3). 43/43
  together with t23-t24.
- combo skip codes (diegosouzapw#9630): t23-t24-fallback-resilience T24 now expects
  ALL_TARGETS_SKIPPED like the combo-routing-engine siblings.
- vi.json key parity: diegosouzapw#9336 added providers.getApiKey/getApiKeyDescription
  to en.json without syncing vi (the only locale with a parity gate).
  Translated both; providers block reordered to match en key order. 5/5.
- pack-artifact-policy.test.ts: sibling of this PR's own required-paths
  change (bin/mcpStdioConsoleGuard.mjs). 10/10.
- combo-routing-engine.test.ts: dropped the 6 comment lines added in the
  previous commit so the frozen test file-size stays at its baseline (the
  rationale lives in that commit message, not the test body).

Gates: file-size, test-discovery, mutation-test-coverage, pack-policy,
open-sse-typecheck, dead-code all exit 0.

Refs diegosouzapw#9737

* fix(translator): keep the reasoning_content placeholder for Xiaomi MiMo — diegosouzapw#9610 traded one live 400 for another

The xiaomi-mimo replay test (9router#1321) went red on the base after diegosouzapw#9610
removed the NON_ANTHROPIC_THINKING_PLACEHOLDER injection globally. That test
is NOT stale — it guards a documented upstream 400 ('Param Incorrect: The
reasoning_content in the thinking mode must be passed back to the API'), so
realigning it would have masked a reintroduced production bug.

Two real bugs conflict here:
- diegosouzapw#9573: forwarding the placeholder makes the model continue its chain of
  thought FROM that text (echo -> empty stop) and re-poisons cache/history.
- 9router#1321/diegosouzapw#1337: omitting reasoning_content on a plain replay turn makes
  Xiaomi MiMo reject the request outright.

diegosouzapw#9610's evidence for omitting is provider-specific — it verified that
deepseek-v4-flash accepts an ABSENT field. It does not extend to MiMo. So the
omission stays for every provider diegosouzapw#9610 covered, and the placeholder survives
the cache miss only for xiaomi-mimo (new requiresReasoningContentPresence
predicate next to isReasoningOnlyReplayTarget). The echo that comes back is
still stripped on the way in by isInternalReasoningPlaceholder(), so diegosouzapw#9573's
cache/history poisoning stays fixed for MiMo too.

Both contracts now hold simultaneously: xiaomi-mimo replay + reasoning-cache +
tool-request-sanitization 61/61; placeholder-strip/responses/translator/combo
regression sweep 168/168. Gates: file-size, open-sse-typecheck, dead-code,
mutation-test-coverage exit 0; typecheck:core clean.

A live check on the VPS (Hard Rule diegosouzapw#18 path 2) is the only way to confirm the
DeepSeek half of diegosouzapw#9610's empirical claim; flagging it in the PR rather than
widening this fix on speculation.

Refs diegosouzapw#9737

* test(translator): pin the reasoning-placeholder provider scope so neither half of the conflict can silently re-break

diegosouzapw#9610 removed the placeholder globally on the strength of ONE provider's
observed behavior (deepseek-v4-flash accepting an absent reasoning_content),
which re-opened the MiMo 400 (9router#1321). The previous commit scoped the
placeholder to xiaomi-mimo; this pins BOTH directions in one test so the next
global edit fails loudly instead of trading the bugs again:

- xiaomi-mimo plain replay turn, cache miss -> reasoning_content present
  (narrowing the scope away from MiMo re-opens 9router#1321)
- deepseek plain replay turn, cache miss -> reasoning_content absent
  (widening it back to DeepSeek re-opens the diegosouzapw#9573 echo bug)

Guard verified by mutation: forcing requiresReasoningContentPresence() to
return true makes the DeepSeek half fail (1 pass / 1 fail), and the file was
restored from the pre-probe copy before committing.

Also checked kimi-coding/kimi-coding-apikey, the other strict-contract entries
in REASONING_REPLAY_PROVIDERS: their originating PR (diegosouzapw#7673) fixes capture and
replay of REAL reasoning and documents no 400 on an absent field, so they stay
out of the placeholder scope — evidence-scoped, not speculatively widened.

Reasoning suites together: 87/87. Gates: file-size, test-discovery,
mutation-test-coverage, dead-code exit 0; eslint clean.

Refs diegosouzapw#9737

---------

Co-authored-by: diegosouzapw <diegosouzapw@users.noreply.github.com>
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fix: OpenCode config generator creates invalid model limits without limit.output

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