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Xiaomi released the MiMo-V2.6 series (mimo-v2.6-pro, mimo-v2.6-flash,
mimo-v2.6-pro-ultraspeed) on 2026-09-22, and mimo-v2.5-pro / mimo-v2.5
stop working on 2026-10-21 10:00 (GMT+8). The dedicated MiMo provider
only offered a hardcoded catalog, so newer models were invisible unless
users reconfigured MiMo as an OpenAI-compatible provider.
Wire MiMo into the router-model pipeline so the picker populates from
the account's GET {baseUrl}/models response, mirroring DeepSeek/Moonshot:
- add mimo to dynamicProviders and dynamicProviderExtras
- getMimoModels fetcher merges the API response with static mimoModels
specs; unknown models get MiMo-family defaults with preserveReasoning
- requestRouterModels fetches MiMo when an API key exists, honoring
unsaved key/baseUrl form values (cluster URL selects the cache scope)
- settings ModelPicker and useSelectedModel merge the fetched catalog
with the static fallback, so post-V2.6 releases appear without an
extension update
Also update the static catalog: V2.6 entries with official pay-as-you-go
pricing (https://mimo.mi.com/docs/en-US/price/pay-as-you-go), the v2.5
entries synced to the same page (flat pricing, 256K long-context
multiplier removed), and the default model moved off the EOL'd
mimo-v2.5-pro.
Context windows (1M) and max output (128K) follow the published
V2.5-line specs; the pricing page publishes no V2.6 spec table.
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September 21, 2026 22:30
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🔇 Additional comments (4)
📝 SummarySummary by CodeRabbit
WalkthroughMiMo now supports dynamic model discovery through the router. The change updates the static catalog and default model, adds validated API fetching and cache scoping, and combines fetched models with static model data in the UI. Router-model requests now use request IDs and support cancellation. ChangesMiMo dynamic model support
Estimated code review effort: 4 (Complex) | ~45 minutes Sequence Diagram(s)sequenceDiagram
participant SettingsUI
participant webviewMessageHandler
participant modelCache
participant getMimoModels
participant MiMoAPI
SettingsUI->>webviewMessageHandler: request router models
webviewMessageHandler->>modelCache: request MiMo models with credentials
modelCache->>getMimoModels: fetch or reuse cached models
getMimoModels->>MiMoAPI: GET /models
MiMoAPI-->>getMimoModels: return model list
getMimoModels-->>modelCache: return normalized ModelRecord
modelCache-->>webviewMessageHandler: return MiMo models
webviewMessageHandler-->>SettingsUI: return routerModels.mimo
SettingsUI->>SettingsUI: merge fetched and static models
Merge Risk: ⚪ Minimal · up to MiMo model discovery and selection appear mergeable after normal checks; no actionable issue is established by the supplied evidence. 🚥 Pre-merge checks | ✅ 6 | ❌ 2❌ Failed checks (2 warnings)
✅ Passed checks (6 passed)
Full details: Regression EvidenceExplanation The PR changes durable visible UI behavior without a Playwright component snapshot. Resolution Add deterministic Playwright component fixtures and screenshots for the affected visible states. Cover the MiMo settings picker with the static catalog and a router-only model, and cover the TaskHeader with MiMo static-catalog fallback before router data arrives. Commit the resulting snapshots. Full details: Lifecycle Resource CleanupExplanation The new Resolution Add a request-cancellation protocol keyed by ✨ Finishing Touches🧪 Generate unit tests (beta)
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Actionable comments posted: 5
- 🪄 Fix CodeRabbit comments on this PR
🤖 Prompt to fix review comments
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Inline comments:
In `@src/api/providers/fetchers/mimo.ts`:
- Line 70: Update the model-processing flow around modelId to validate each
data.data element is a non-null record before accessing model.id, skipping
invalid elements while preserving catalog processing for valid models.
- Line 24: Update getMimoModels to validate the resolved base URL before making
requests, requiring the URL protocol to be https: and rejecting all http: values
without a loopback exception. Keep the existing default and trailing-slash
normalization, and ensure the bearer key is never sent when validation fails.
- Around line 78-85: Filter ASR and TTS model IDs from MiMo discovery before
adding fallback entries to the models map, so only text-capable models receive
the generic metadata and createMessage path. Update the discovery logic around
the fallback models[modelId] assignment and add tests covering representative
ASR and TTS IDs.
In `@src/api/providers/fetchers/modelCache.ts`:
- Line 109: Add providerIdentifiers.mimo to the KEY_SCOPED_PROVIDERS set so MiMo
model-cache keys include the API key context and do not reuse catalogs across
credentials.
In `@src/core/webview/webviewMessageHandler.ts`:
- Around line 1280-1283: Move the MiMo flushModels call in the
requestRouterModels flow into the per-provider Promise.allSettled task, or catch
its rejection and route it through the existing MiMo failure response; ensure
refresh failures do not exit early and that routerModels or
singleRouterModelFetchResponse is still posted.
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packages/types/src/__tests__/provider-identifiers.test.tspackages/types/src/provider-settings.tspackages/types/src/providers/mimo.tssrc/api/providers/__tests__/mimo.spec.tssrc/api/providers/fetchers/__tests__/mimo.spec.tssrc/api/providers/fetchers/mimo.tssrc/api/providers/fetchers/modelCache.tssrc/core/webview/__tests__/ClineProvider.spec.tssrc/core/webview/__tests__/webviewMessageHandler.routerModels.spec.tssrc/core/webview/__tests__/webviewMessageHandler.spec.tssrc/core/webview/webviewMessageHandler.tssrc/shared/api.tswebview-ui/src/components/settings/ApiOptions.tsxwebview-ui/src/components/settings/providers/__tests__/NanoGPT.spec.tsxwebview-ui/src/components/ui/hooks/__tests__/useSelectedModel.spec.tswebview-ui/src/components/ui/hooks/useSelectedModel.tswebview-ui/src/utils/__tests__/validate.spec.ts
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For persisted settings, verify the complete schema/storage/runtime/webview round trip, shared default semantics, and focused true plus false/unset tests.
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webview-ui/src/components/settings/ApiOptions.tsxpackages/types/src/__tests__/provider-identifiers.test.tswebview-ui/src/components/settings/providers/__tests__/NanoGPT.spec.tsxsrc/core/webview/__tests__/ClineProvider.spec.tssrc/core/webview/__tests__/webviewMessageHandler.spec.tspackages/types/src/provider-settings.tssrc/core/webview/webviewMessageHandler.tspackages/types/src/providers/mimo.tssrc/core/webview/__tests__/webviewMessageHandler.routerModels.spec.ts
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webview-ui/src/utils/__tests__/validate.spec.tspackages/types/src/__tests__/provider-identifiers.test.tswebview-ui/src/components/settings/providers/__tests__/NanoGPT.spec.tsxsrc/api/providers/fetchers/__tests__/mimo.spec.tssrc/core/webview/__tests__/ClineProvider.spec.tssrc/core/webview/__tests__/webviewMessageHandler.spec.tswebview-ui/src/components/ui/hooks/__tests__/useSelectedModel.spec.tssrc/api/providers/__tests__/mimo.spec.tssrc/core/webview/__tests__/webviewMessageHandler.routerModels.spec.ts
Check strict typing and exhaustive behavior across normal, boundary, error, cancellation, retry, and compatibility paths.
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webview-ui/src/utils/__tests__/validate.spec.tswebview-ui/src/components/ui/hooks/useSelectedModel.tswebview-ui/src/components/settings/ApiOptions.tsxpackages/types/src/__tests__/provider-identifiers.test.tswebview-ui/src/components/settings/providers/__tests__/NanoGPT.spec.tsxsrc/api/providers/fetchers/__tests__/mimo.spec.tssrc/core/webview/__tests__/ClineProvider.spec.tssrc/api/providers/fetchers/modelCache.tssrc/core/webview/__tests__/webviewMessageHandler.spec.tssrc/shared/api.tswebview-ui/src/components/ui/hooks/__tests__/useSelectedModel.spec.tssrc/api/providers/__tests__/mimo.spec.tspackages/types/src/provider-settings.tssrc/core/webview/webviewMessageHandler.tssrc/api/providers/fetchers/mimo.tspackages/types/src/providers/mimo.tssrc/core/webview/__tests__/webviewMessageHandler.routerModels.spec.ts
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webview-ui/src/utils/__tests__/validate.spec.tswebview-ui/src/components/ui/hooks/useSelectedModel.tswebview-ui/src/components/settings/ApiOptions.tsxwebview-ui/src/components/settings/providers/__tests__/NanoGPT.spec.tsxwebview-ui/src/components/ui/hooks/__tests__/useSelectedModel.spec.ts
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src/api/providers/fetchers/__tests__/mimo.spec.tssrc/core/webview/__tests__/ClineProvider.spec.tssrc/api/providers/fetchers/modelCache.tssrc/core/webview/__tests__/webviewMessageHandler.spec.tssrc/shared/api.tssrc/api/providers/__tests__/mimo.spec.tssrc/core/webview/webviewMessageHandler.tssrc/api/providers/fetchers/mimo.tssrc/core/webview/__tests__/webviewMessageHandler.routerModels.spec.ts
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webview-ui/src/utils/__tests__/validate.spec.tswebview-ui/src/components/ui/hooks/useSelectedModel.tswebview-ui/src/components/settings/ApiOptions.tsxpackages/types/src/__tests__/provider-identifiers.test.tswebview-ui/src/components/settings/providers/__tests__/NanoGPT.spec.tsxsrc/api/providers/fetchers/__tests__/mimo.spec.tssrc/core/webview/__tests__/ClineProvider.spec.tssrc/api/providers/fetchers/modelCache.tssrc/core/webview/__tests__/webviewMessageHandler.spec.tssrc/shared/api.tswebview-ui/src/components/ui/hooks/__tests__/useSelectedModel.spec.tssrc/api/providers/__tests__/mimo.spec.tspackages/types/src/provider-settings.tssrc/core/webview/webviewMessageHandler.tssrc/api/providers/fetchers/mimo.tspackages/types/src/providers/mimo.tssrc/core/webview/__tests__/webviewMessageHandler.routerModels.spec.ts
🪛 GitHub Check: mutation-diff
src/api/providers/fetchers/modelCache.ts
[warning] 309-309: Mutation test advisory
src/api/providers/fetchers/modelCache.ts:309: NoCoverage ConditionalExpression mutant (replacement: case providerIdentifiers.mimo:). See the job summary for the complete list and resolution guidance.
src/core/webview/webviewMessageHandler.ts
[warning] 1276-1276: Mutation test advisory
src/core/webview/webviewMessageHandler.ts:1276: Survived OptionalChaining mutant (replacement: message.values). See the job summary for the complete list and resolution guidance.
[warning] 1275-1275: Mutation test advisory
src/core/webview/webviewMessageHandler.ts:1275: Survived OptionalChaining mutant (replacement: message.values). See the job summary for the complete list and resolution guidance.
src/api/providers/fetchers/mimo.ts
[warning] 49-49: Mutation test advisory
src/api/providers/fetchers/mimo.ts:49: 2 mutation test gaps; example: Survived StringLiteral mutant (replacement: ``). See the job summary for the complete list and resolution guidance.
[warning] 46-46: Mutation test advisory
src/api/providers/fetchers/mimo.ts:46: NoCoverage StringLiteral mutant (replacement: ""). See the job summary for the complete list and resolution guidance.
[warning] 42-42: Mutation test advisory
src/api/providers/fetchers/mimo.ts:42: Survived StringLiteral mutant (replacement: "Stryker was here!"). See the job summary for the complete list and resolution guidance.
[warning] 32-32: Mutation test advisory
src/api/providers/fetchers/mimo.ts:32: Survived ConditionalExpression mutant (replacement: true). See the job summary for the complete list and resolution guidance.
[warning] 28-28: Mutation test advisory
src/api/providers/fetchers/mimo.ts:28: Survived StringLiteral mutant (replacement: ""). See the job summary for the complete list and resolution guidance.
[warning] 27-27: Mutation test advisory
src/api/providers/fetchers/mimo.ts:27: Survived ObjectLiteral mutant (replacement: {}). See the job summary for the complete list and resolution guidance.
[warning] 24-24: Mutation test advisory
src/api/providers/fetchers/mimo.ts:24: Survived Regex mutant (replacement: //$/). See the job summary for the complete list and resolution guidance.
🔇 Additional comments (16)
packages/types/src/__tests__/provider-identifiers.test.ts (1)
111-111: LGTM!packages/types/src/provider-settings.ts (1)
73-73: LGTM!packages/types/src/providers/mimo.ts (1)
3-9: LGTM!Also applies to: 19-60, 67-69, 72-72, 80-85
src/api/providers/__tests__/mimo.spec.ts (1)
88-89: LGTM!Also applies to: 96-98, 100-132, 139-139
src/shared/api.ts (1)
195-195: LGTM!src/api/providers/fetchers/__tests__/mimo.spec.ts (1)
1-169: LGTM!src/api/providers/fetchers/modelCache.ts (1)
36-36: LGTM!Also applies to: 309-311
src/core/webview/webviewMessageHandler.ts (1)
1133-1133: LGTM!src/core/webview/__tests__/webviewMessageHandler.routerModels.spec.ts (1)
135-145: LGTM!Also applies to: 592-711
src/core/webview/__tests__/ClineProvider.spec.ts (1)
3802-3802: LGTM!Also applies to: 3859-3859, 3961-3961
src/core/webview/__tests__/webviewMessageHandler.spec.ts (1)
577-577: LGTM!Also applies to: 826-826, 892-892
webview-ui/src/components/settings/ApiOptions.tsx (1)
748-767: LGTM!webview-ui/src/components/ui/hooks/useSelectedModel.ts (1)
320-326: LGTM!webview-ui/src/components/ui/hooks/__tests__/useSelectedModel.spec.ts (1)
34-35: LGTM!Also applies to: 239-250, 278-288, 299-302
webview-ui/src/components/settings/providers/__tests__/NanoGPT.spec.tsx (1)
103-103: LGTM!webview-ui/src/utils/__tests__/validate.spec.ts (1)
66-66: LGTM!
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- require https: at the fetch boundary so the bearer key is never sent over plaintext HTTP (settings schema allows only https endpoints, but unsaved webview values reach this fetcher too) - skip null/non-object entries in the /models payload so one malformed element cannot abort the whole catalog - exclude ASR/TTS model families from discovery — they are not text chat models and require modality payloads this provider never builds - scope the MiMo model cache by API key so catalogs never leak across credentials on the same cluster URL - catch MiMo refresh failures in requestRouterModels and post the normal failure response instead of exiting before any response is sent
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September 22, 2026 16:37
…ding credentials CodeRabbit pre-merge ERROR (PR Zoo-Code-Org#1748): unsaved webview mimoBaseUrl bypassed the persisted 4-URL Xiaomi allowlist and the fetcher only checked the https scheme, so a crafted requestRouterModels message could exfiltrate the saved API key to an arbitrary HTTPS origin. Enforce the allowlist (mirrored from the zod schema, drift-pinned by a sync test) and reject userinfo-bearing URLs inside getMimoModels as the network boundary, before any request or Authorization header is constructed. Regression tests: attacker origin (fetch not called), userinfo/authority confusion on allowed and attacker hosts, all 4 allowed URLs still fetch, schema-drift sync.
…edModel
CodeRabbit Regression Evidence sub-claim 3b (verified): the two existing MiMo rows key on mimoDefaultModelId/null-catalog, so a regression of the merged catalog {...mimoModels, ...routerModels.mimo} to static-only would still pass both. This test selects a router-returned ID absent from the static catalog and asserts the selected model carries router metadata — the only guard for the merged-catalog wiring. Includes a premise assertion so the test fails loudly if the ID is ever added to the static catalog.
…iMo catalog CodeRabbit Regression Evidence sub-claim 2 (verified): ApiOptions.tsx spreads routerModels.mimo into the picker catalog but every ApiOptions suite null-mocked ModelPicker, leaving that spread as the only untested wiring path for fetched MiMo models. Adds 3 tests in the sole suite that renders the real ModelPicker: merged static+router-only delivery, undefined router fallback, and empty-payload fallback. Mutation-verified: reverting the merge to static-only fails the router-only assertion. Also hoists the useRouterModels mock state holder and resets the organization allow-list leak from earlier suites.
…el specs What: drop the try/catch around the MiMo flushModels call so it matches the DeepSeek/Moonshot sibling blocks, and delete the spec that mocked its impossible rejection; assert v2.5-pro stays absent from a v2.6-only API response and cover the %40-encoded userinfo form in the fetcher spec; assert exact per-provider fallback info in useSelectedModel; fix the ApiOptions picker-merge comment to state the real reason. Why: refreshModels catch-alls internally and never rejects, so the catch was unreachable and its fall-through would have double-posted had it ever fired; the comment justified the MiMo-only merge with a label that applies equally to DeepSeek/Moonshot; several assertions still passed under the regressions they were meant to guard. Impact: no runtime behavior change; the MiMo failure-response path stays covered by the allowlist-rejection test. Refs: Zoo-Code-Org#1748
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What: extend the known-models merge test with an API-only model ID (mimo-v3-future) and assert it surfaces with MiMo-family defaults, alongside the existing assertion that mimo-v2.5-pro (present in the static map, absent from the mocked response) stays absent. Why: edelauna's review on Zoo-Code-Org#1748 noted both sides of the existing toEqual read from the same mimoModels import, so a mutation returning the static map directly would still pass. The absent-side guard landed at eb381e7; the converse direction (an API-only model must appear) was only covered in a sibling test, not in the flagged test itself. Impact: the flagged test now fails under the wholesale-static mutation in either direction (verified by temporarily returning the static map: the new assertion fires). No runtime behavior change. Refs: Zoo-Code-Org#1748
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What: MimoHandler now validates mimoBaseUrl against the fetcher's
ALLOWED_BASE_URLS (and a shared MIMO_DEFAULT_BASE_URL fallback) before
calling super(), throwing a constant, non-echoing error for off-list
values.
Why: the PR enforced the allowlist in the model fetcher and for unsaved
webview values, but the chat-completion path passed mimoBaseUrl straight
into new OpenAI({ baseURL }). Since ContextProxy.getProviderSettings()
fails open on a schema rejection, a value persisted by a pre-allowlist
build or sent via a crafted webview message could redirect the bearer
key plus the whole conversation to an arbitrary origin.
Impact: an off-list mimoBaseUrl can no longer reach the network on any
path; all four Xiaomi endpoints, trailing-slash normalization, and the
empty-is-unset fallback keep working (pinned by new constructor tests
that assert no OpenAI client is ever constructed for a rejected URL).
What: getMimoModels now passes redirect: "error" to fetch. Why: the exact-match allowlist is enforced on the request URL before any header is built, but the default redirect:"follow" would silently re-scope the Authorization bearer key to whatever origin a 3xx Location points at, bypassing the allowlist entirely. Impact: any redirect from a Xiaomi endpoint now fails the fetch instead of leaking the key; the mock fetch layer cannot drive undici's real redirect handling, so the request init is pinned test-side instead.
What: the updateSettings path now re-checks mimoBaseUrl against ALLOWED_BASE_URLS before it can enter storage (off-list non-empty values are dropped with a warning; empty string is normalized to unset; trailing slashes are canonicalized), and requestRouterModels treats an unsaved empty mimoBaseUrl as unset instead of letting it override the stored cluster. Why: ContextProxy.getProviderSettings() fails open on a schema rejection, so the zod literal union alone cannot keep an off-list value out of persisted state; and an unsaved "" passed the ?? fallback and skipped both the allowlist gate and the cache flush, silently rerouting the stored key to the default Singapore cluster. Impact: bad values can no longer persist or masquerade as cluster selections; empty-means-unset is now consistent across the persistence, router, and chat-completion paths. The upstream fail-open ContextProxy behavior is pre-existing and out of scope (recommended upstream issue).
What: cacheDigestCache is now keyed by a SHA-256 of bytes+input instead of the raw input string. Why: deriveApiKeyDiscriminator feeds raw API keys through deriveCacheDigest on every cache lookup; memoizing on the raw key kept the secret alive as a long-lived map key for the whole session. The memo key is internal-only (never persisted or compared across processes), so a fast digest is sufficient and the PBKDF2 derivation remains the only one whose output leaves this process. Impact: no functional change; same digest outputs and cache-key shapes, raw keys no longer retained in the memo map.
…lowlist What: the MimoHandler getModel comment now names mimo-v2.6-pro as the fallback (matching mimoDefaultModelId), and the provider-settings zod literals point at the fetcher ALLOWED_BASE_URLS set that mirrors them. Why: the old comment still referenced mimo-v2.5-pro after the default moved to the V2.6 series, and the two allowlist sources had no pointer at each other, making silent drift easier. Impact: comments only; no behavior change.
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What: add mimoApiKey to SECRET_STATE_KEYS and add a one-time ContextProxy migration that moves a plaintext globalState value into SecretStorage (without overwriting an existing secret) and clears the plaintext copy. Why: every sibling provider API key is a secret-state key, so ContextProxy routed mimoApiKey through updateGlobalState instead: the key persisted in plaintext state.vscdb, and the public getConfiguration() extension API returned it verbatim to any co-installed extension (it only filters isSecretStateKey). The MiMo settings UI already claimed the key is stored in VS Code Secret Storage, which was false. MiMo already shipped in earlier builds, so a plain add would orphan existing plaintext keys. Impact: saves/reads now route through SecretStorage automatically (setValue/storeSecret, getValues, getProviderSettings); existing plaintext keys migrate on first launch; getConfiguration no longer exposes the key. New tests: secret classification, migration (move/keep/clear, no-op), mimo setValue routing + getProviderSettings resolution, getConfiguration filter.
… is unsettled What: getStaticCatalogSelection (deepseek/moonshot/mimo) now returns the configured apiModelId as-is whenever one is set, resolving info from the static catalog only when the ID is a static entry (undefined otherwise), instead of substituting the provider default for IDs absent from the static map. Why: for a router-only MiMo model ID, the loading/failed window resolved the selection to mimoDefaultModelId, and ApiOptions' apiModelId sync effect persisted that reset into cachedState - clicking Save baked the default into settings, contradicting the ready-path guard that admits router-only IDs against the merged catalog. Impact: the configured selection survives the unsettled window for all three static-catalog dynamic providers; capability UI shows its own fallbacks until router data lands (info undefined). New regression test parametrized across deepseek/moonshot/mimo for both the loading and the errored-no-cache states (mutation-verified: fails against the old helper, 3/3).
What: Mimo.tsx now posts requestRouterModels with the provider-correlated MiMo credentials and handles the refresh lifecycle (loading / success / error) exactly like Moonshot, including unmount-safe listener cleanup and invalidation of only the MiMo and shared router-model query caches. Why: MiMo had no refresh sender at all, and the modelCache disk cache never expires - so a post-V2.6 release only became selectable after a cache-busting event elsewhere, undermining the dynamic-catalog goal of the PR. No sibling provider flushes on settings save, so there is no save-time mirror to add (verified: SettingsView posts no router flush). Impact: users can force a MiMo catalog refresh from settings; the allowlist gate in webviewMessageHandler still rejects off-list base URLs before any fetch is dispatched. New Mimo.spec.tsx mirrors Moonshot's refresh specs (12 tests: rendering, disabled/enabled, loading, success, error, other-provider isolation, pre-refresh ignore, message payload, cache invalidation, get-key link).
…ields
What: new fetcher test feeds a /models entry for a known static ID whose
payload fields (description, prices, windows, image support) all conflict
with the curated spec, plus an API-only ID.
Why: the merge emits {...knownSpecs} for known IDs and family defaults
for unknown ones, so payload fields can never leak into the catalog -
but only the positive merge path was tested. A regression that spreads
payload fields over the static spec (or drops API-only models) would
silently corrupt the picker and pricing.
Impact: test-only; 30/30 fetcher tests pass.
What: the HTTP-error log no longer reads and includes the response body, and the unexpected-format log records the shape (types) instead of the raw payload. Why: error bodies can echo credentials or conversation fragments back at whatever sink hosts the logs; status, statusText, URL, and payload shape are enough to diagnose failures. Impact: thrown errors unchanged (HTTP status message and format message identical); behavior change is log-content only.
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…L regex What: (1) remove the cacheDigestCache memo layer in modelCache.ts -- deriveCacheDigest now calls PBKDF2 directly; (2) replace the input-driven trailing-slash regex with a plain string loop, exported as stripTrailingSlashes from fetchers/mimo.ts and used by the chat-completion gate, the fetcher, and both webviewMessageHandler mimoBaseUrl gates. Why: CodeQL flagged js/insufficient-password-hash on the sha256 memo key hashing API-key-tainted input (the lgtm comment did not suppress it), and js/polynomial-redos on mimo.ts's replace(/\/+$/, ""). The digest callers are catalog-fetch-path only, so per-call 10k-iteration PBKDF2 costs a few ms and removal eliminates both the alert and the key-retention concern. The loop is exactly equivalent to the regex (empty string terminates it). Impact: no functional change -- same digests, same cache keys, same allowlist decisions; multi-slash and single-slash normalization pinned by the existing 261 tests in the touched suites. Remaining /\/+$/ regexes in litellm/moonshot/modelCache-urlPart/extension/qdrant files are upstream-untouched and out of the PR diff.
What: (1) restore a bounded FIFO memo (cap 16, keyed by the raw input) for deriveCacheDigest so the per-message hot path (PoeHandler.getModel -> getModelsFromCache -> getCacheKey) does not run a 10k-iteration PBKDF2 per request; (2) migratePlaintextMimoApiKey checks SecretStorage with a fresh read instead of the initialize() snapshot and repairs the cache from it; (3) getStaticCatalogSelection falls back with || (repo convention) so an empty-string apiModelId resolves to the default; (4) document the as-unknown-as double assertion in api-configuration.spec. Why: removing the memo entirely (round 3) moved KDF cost onto a hot per-message path; the snapshot-based migration guard could clobber a secret written after the snapshot; ?? preserved an empty-string ID that || convention treats as unset; the double assertion lacked the comment AGENTS.md requires. Impact: same digest outputs and cache keys, now memoized across repeat per-request calls with a bounded retention window (no fast-hash sink, so the CodeQL alert stays cleared); migration stays idempotent and crash-safe with a fresher overwrite guard. New tests: memo hit / fresh derivation / FIFO eviction + recent retention (pbkdf2Sync call-count spy), fresh-read migration path, empty-ID unsettled fallback.
# Conflicts: # src/core/webview/__tests__/webviewMessageHandler.spec.ts
Upstream PR Zoo-Code-Org#1946 added a required providerFactory parameter to the API constructor; the MiMo getConfiguration test still called it with two arguments, failing the compile CI job with TS2554.
Contributor
Author
|
Branch cleanup and CI fix:
Verification (local, worktree at c9cea12):
All 17 review threads (CodeRabbit, edelauna, CodeQL) were already addressed and are resolved. |
Contributor
Author
|
@edelauna this PR is ready for another pass:
Happy to address anything else. |
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Related GitHub Issue
Closes: #1761
Description
Xiaomi released the MiMo-V2.6 series (
mimo-v2.6-pro,mimo-v2.6-flash,mimo-v2.6-pro-ultraspeed) on 2026-09-22, andmimo-v2.5-pro/mimo-v2.5stop working on 2026-10-21 10:00 (GMT+8) (deprecation notice). The dedicated MiMo provider only shipped a hardcoded 2-model catalog, so V2.6 models were invisible unless users reconfigured MiMo as an OpenAI-compatible provider.This PR wires MiMo into the existing router-model pipeline (the same mechanism DeepSeek/Moonshot use) so the model picker populates from the account's own
GET {baseUrl}/modelsresponse:packages/types: addmimotodynamicProviders; add V2.6 entries tomimoModelswith official pay-as-you-go pricing; sync the v2.5 entries to the same page (flat pricing — the old >256K 2× multiplier no longer appears there); default model moves off the EOL'dmimo-v2.5-protomimo-v2.6-pro.src/api/providers/fetchers/mimo.ts(new):getMimoModelscalls the OpenAI-compatible/modelsendpoint, merging responses with staticmimoModelsspecs. Unknown models get MiMo-family defaults withpreserveReasoning: true(a correctness requirement — MiMo requiresreasoning_contentpass-back in multi-turn tool calling).modelCache: mimo is URL-scoped — the cluster URL (cn/sgp/ams/PAYG) selects the cache key.webviewMessageHandler: fetches MiMo when an API key exists, honoring unsaved key/baseUrl form values (flush-on-change, mirroring DeepSeek/Moonshot). UnsavedmimoBaseUrlvalues are validated against the same four-endpoint allowlist as the persisted schema before any request is built;getMimoModelsre-enforces the allowlist at the network boundary and rejects URL-embedded credentials.ModelPickeranduseSelectedModelmerge the fetched catalog with the static fallback, so post-V2.6 releases appear without an extension update. No UI changes — same picker, populated dynamically.useSelectedModelresolves deepseek/moonshot/mimo from the shipped static catalog while router models are unavailable (loading, missing provider entry in the filtered host response, or query failure). Previously the task header rendered a bogus context window of1(108.1k / 1) for MiMo until the router catalog arrived.Entrypoint schema unchanged (the 4 existing URLs still validate); thinking-mode behavior unchanged (
thinking.type: "enabled"remains the handler default per the Deep Thinking docs).Notes for reviewers
mimo-v2-flashexclusion note is preserved; the dynamic list will surface flash-family models again — V2.6-flash is a different generation, but if 400s resurface the fetcher is the single place to filter.Test Procedure
packages/typesfull suite (434 tests)srcfull suite (8,994 tests) — including newgetMimoModelsfetcher spec (merge/defaults/errors/abort, endpoint-allowlist + credential-leak regression cases, no-Authorization-header-without-key case) andrequestRouterModelsMiMo cases (stored creds, flush on unsaved values, no-flush on stored, rejection of non-allowlisted unsaved base URL, filtered single-provider request with stored credentials)webview-uifull suite (1,868 tests) — incl.useSelectedModelrouter-over-static / static-fallback / invalid-ID-fallback / router-only-selection cases for mimo, not-ready static-catalog fallback cases, and ApiOptions → ModelPicker merged-catalog wiring testscheck-types(types / src / webview-ui) andpnpm lint(all 13 packages via pre-commit turbo run); eslint suppressions unchangedmodelCache.spec.ts(65/65, MiMo dispatch + url/key cache isolation),mimo.spec.ts(23/23),webviewMessageHandler.routerModels.spec.ts(20/20 + new handler-allowlist case),useSelectedModel.spec.ts(80/80),ApiOptions.provider-filtering.spec.tsx(13/13)Pre-Submission Checklist
Documentation Updates
The MiMo model catalog and its pricing metadata live in code (
packages/types), and the settings picker reads from that catalog directly; no user-facing documentation page enumerates the hardcoded MiMo model list today.Additional Notes
Addresses CodeRabbit pre-merge checks: (1) Security Boundaries — unsaved
mimoBaseUrlis now validated against the four-endpoint Xiaomi allowlist both inwebviewMessageHandlerbefore constructing fetch options and insidegetMimoModelsat the network boundary, with credential-in-URL rejection; (2) Regression Evidence — focused tests added at the modelCache dispatch/cache-isolation, ApiOptions→ModelPicker, useSelectedModel, fetcher (no-Authorization-without-key), and webview-handler (filtered single-provider MiMo request) layers.