programmatic subagents
chore(drivers): include claude haiku default and document catalog sources
+15
-1
+8
README.md
+8
README.md
···
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| `@mill/driver-pi` | Pi driver |
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| `pi-mill` | Pi extension for mill as execution backend |
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Model catalog source by driver:
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- `@mill/driver-pi`: reads `~/.pi/agent/settings.json` (`enabledModels`) by default, unless overridden in config.
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- `@mill/driver-claude`: built-in default catalog (`sonnet`, `opus`, `haiku`) unless overridden in config.
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- `@mill/driver-codex`: built-in default catalog (`openai-codex/gpt-5.3-codex`) unless overridden in config.
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These driver catalogs flow into CLI help (`mill --help`, `mill <command> --help`) through each driver's `codec.modelCatalog`. In short: driver registration is how model availability is communicated to the CLI/main agent.
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## Internals
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Built on [Effect](https://effect.website). Public API is Promise-based (`src/public/**/*.api.ts`). Engine, drivers, and persistence are Effect-first with Schema-validated domain types.
+2
packages/driver-claude/src/public/index.api.test.ts
+2
packages/driver-claude/src/public/index.api.test.ts
···
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const models = await Runtime.runPromise(runtime)(driver.codec.modelCatalog);
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expect(models).toContain("anthropic/claude-sonnet-4-6");
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expect(models).toContain("anthropic/claude-opus-4-6");
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expect(models).toContain("anthropic/claude-haiku-4-5");
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});
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it("spawns runtime outputs via generic driver contracts", async () => {
+5
-1
packages/driver-claude/src/public/index.api.ts
+5
-1
packages/driver-claude/src/public/index.api.ts
···
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7
readonly models?: ReadonlyArray<string>;
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8
}
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-
const DEFAULT_CLAUDE_MODELS = ["anthropic/claude-sonnet-4-6", "anthropic/claude-opus-4-6"] as const;
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const DEFAULT_CLAUDE_MODELS = [
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+
"anthropic/claude-sonnet-4-6",
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"anthropic/claude-opus-4-6",
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"anthropic/claude-haiku-4-5",
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] as const;
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const normalizeModelCatalog = (models: ReadonlyArray<string>): ReadonlyArray<string> =>
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Array.from(new Set(models.map((model) => model.trim()).filter((model) => model.length > 0)));