Files
clawdbot/src/agents/pi-embedded-runner/model.ts
2026-01-23 02:51:33 +00:00

106 lines
3.9 KiB
TypeScript

import type { Api, Model } from "@mariozechner/pi-ai";
import { discoverAuthStorage, discoverModels } from "@mariozechner/pi-coding-agent";
import type { ClawdbotConfig } from "../../config/config.js";
import type { ModelDefinitionConfig } from "../../config/types.js";
import { resolveClawdbotAgentDir } from "../agent-paths.js";
import { DEFAULT_CONTEXT_TOKENS } from "../defaults.js";
import { normalizeModelCompat } from "../model-compat.js";
import { normalizeProviderId } from "../model-selection.js";
import { resolveGithubCopilotUserAgent } from "../../providers/github-copilot-utils.js";
type InlineModelEntry = ModelDefinitionConfig & { provider: string };
function applyProviderModelOverrides(model: Model<Api>): Model<Api> {
if (model.provider === "github-copilot") {
const headers = model.headers
? { ...model.headers, "User-Agent": resolveGithubCopilotUserAgent() }
: { "User-Agent": resolveGithubCopilotUserAgent() };
return { ...model, headers };
}
return model;
}
export function buildInlineProviderModels(
providers: Record<string, { models?: ModelDefinitionConfig[] }>,
): InlineModelEntry[] {
return Object.entries(providers).flatMap(([providerId, entry]) => {
const trimmed = providerId.trim();
if (!trimmed) return [];
return (entry?.models ?? []).map((model) => ({ ...model, provider: trimmed }));
});
}
export function buildModelAliasLines(cfg?: ClawdbotConfig) {
const models = cfg?.agents?.defaults?.models ?? {};
const entries: Array<{ alias: string; model: string }> = [];
for (const [keyRaw, entryRaw] of Object.entries(models)) {
const model = String(keyRaw ?? "").trim();
if (!model) continue;
const alias = String((entryRaw as { alias?: string } | undefined)?.alias ?? "").trim();
if (!alias) continue;
entries.push({ alias, model });
}
return entries
.sort((a, b) => a.alias.localeCompare(b.alias))
.map((entry) => `- ${entry.alias}: ${entry.model}`);
}
export function resolveModel(
provider: string,
modelId: string,
agentDir?: string,
cfg?: ClawdbotConfig,
): {
model?: Model<Api>;
error?: string;
authStorage: ReturnType<typeof discoverAuthStorage>;
modelRegistry: ReturnType<typeof discoverModels>;
} {
const resolvedAgentDir = agentDir ?? resolveClawdbotAgentDir();
const authStorage = discoverAuthStorage(resolvedAgentDir);
const modelRegistry = discoverModels(authStorage, resolvedAgentDir);
const model = modelRegistry.find(provider, modelId) as Model<Api> | null;
if (!model) {
const providers = cfg?.models?.providers ?? {};
const inlineModels = buildInlineProviderModels(providers);
const normalizedProvider = normalizeProviderId(provider);
const inlineMatch = inlineModels.find(
(entry) => normalizeProviderId(entry.provider) === normalizedProvider && entry.id === modelId,
);
if (inlineMatch) {
const normalized = normalizeModelCompat(inlineMatch as Model<Api>);
return {
model: applyProviderModelOverrides(normalized),
authStorage,
modelRegistry,
};
}
const providerCfg = providers[provider];
if (providerCfg || modelId.startsWith("mock-")) {
const fallbackModel: Model<Api> = normalizeModelCompat({
id: modelId,
name: modelId,
api: providerCfg?.api ?? "openai-responses",
provider,
reasoning: false,
input: ["text"],
cost: { input: 0, output: 0, cacheRead: 0, cacheWrite: 0 },
contextWindow: providerCfg?.models?.[0]?.contextWindow ?? DEFAULT_CONTEXT_TOKENS,
maxTokens: providerCfg?.models?.[0]?.maxTokens ?? DEFAULT_CONTEXT_TOKENS,
} as Model<Api>);
return { model: applyProviderModelOverrides(fallbackModel), authStorage, modelRegistry };
}
return {
error: `Unknown model: ${provider}/${modelId}`,
authStorage,
modelRegistry,
};
}
return {
model: applyProviderModelOverrides(normalizeModelCompat(model)),
authStorage,
modelRegistry,
};
}