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feat: launch Gemini 3 Flash in Gemini CLI ⚡️⚡️⚡️ (#15196)

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Co-authored-by: gemini-cli-robot <gemini-cli-robot@google.com>
Co-authored-by: joshualitt <joshualitt@google.com>
Co-authored-by: Sehoon Shon <sshon@google.com>
Co-authored-by: Adam Weidman <65992621+adamfweidman@users.noreply.github.com>
Co-authored-by: Adib234 <30782825+Adib234@users.noreply.github.com>
Co-authored-by: Jenna Inouye <jinouye@google.com>
This commit is contained in:
Tommaso Sciortino
2025-12-17 09:43:21 -08:00
committed by GitHub
parent 18698d6929
commit bf90b59935
65 changed files with 1898 additions and 2060 deletions
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packages/core/src/availability/policyHelpers.ts
+43 -20
View File
@@ -13,8 +13,17 @@ import type {
ModelPolicyChain,
RetryAvailabilityContext,
} from './modelPolicy.js';
import { createDefaultPolicy, getModelPolicyChain } from './policyCatalog.js';
import { DEFAULT_GEMINI_MODEL, getEffectiveModel } from '../config/models.js';
import {
createDefaultPolicy,
createSingleModelChain,
getModelPolicyChain,
} from './policyCatalog.js';
import {
DEFAULT_GEMINI_MODEL,
DEFAULT_GEMINI_MODEL_AUTO,
PREVIEW_GEMINI_MODEL_AUTO,
resolveModel,
} from '../config/models.js';
import type { ModelSelectionResult } from './modelAvailabilityService.js';
/**
@@ -24,27 +33,34 @@ import type { ModelSelectionResult } from './modelAvailabilityService.js';
export function resolvePolicyChain(
config: Config,
preferredModel?: string,
wrapsAround: boolean = false,
): ModelPolicyChain {
const chain = getModelPolicyChain({
previewEnabled: !!config.getPreviewFeatures(),
userTier: config.getUserTier(),
});
// TODO: This will be replaced when we get rid of Fallback Modes.
// Switch to getActiveModel()
const activeModel =
preferredModel ??
getEffectiveModel(
config.isInFallbackMode(),
config.getModel(),
config.getPreviewFeatures(),
);
// Availability uses the active/requested model directly. Legacy fallback logic
// (getEffectiveModel) only applies when availability is disabled.
const modelFromConfig =
preferredModel ?? config.getActiveModel?.() ?? config.getModel();
if (activeModel === 'auto') {
return [...chain];
let chain;
if (
config.getModel() === PREVIEW_GEMINI_MODEL_AUTO ||
config.getModel() === DEFAULT_GEMINI_MODEL_AUTO
) {
chain = getModelPolicyChain({
previewEnabled: config.getModel() === PREVIEW_GEMINI_MODEL_AUTO,
userTier: config.getUserTier(),
});
} else {
chain = createSingleModelChain(modelFromConfig);
}
if (chain.some((policy) => policy.model === activeModel)) {
return [...chain];
const activeModel = resolveModel(modelFromConfig);
const activeIndex = chain.findIndex((policy) => policy.model === activeModel);
if (activeIndex !== -1) {
return wrapsAround
? [...chain.slice(activeIndex), ...chain.slice(0, activeIndex)]
: [...chain.slice(activeIndex)];
}
// If the user specified a model not in the default chain, we assume they want
@@ -55,10 +71,14 @@ export function resolvePolicyChain(
/**
* Produces the failed policy (if it exists in the chain) and the list of
* fallback candidates that follow it.
* @param chain - The ordered list of available model policies.
* @param failedModel - The identifier of the model that failed.
* @param wrapsAround - If true, treats the chain as a circular buffer.
*/
export function buildFallbackPolicyContext(
chain: ModelPolicyChain,
failedModel: string,
wrapsAround: boolean = false,
): {
failedPolicy?: ModelPolicy;
candidates: ModelPolicy[];
@@ -69,9 +89,12 @@ export function buildFallbackPolicyContext(
}
// Return [candidates_after, candidates_before] to prioritize downgrades
// (continuing the chain) before wrapping around to upgrades.
const candidates = wrapsAround
? [...chain.slice(index + 1), ...chain.slice(0, index)]
: [...chain.slice(index + 1)];
return {
failedPolicy: chain[index],
candidates: [...chain.slice(index + 1), ...chain.slice(0, index)],
candidates,
};
}