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feat(agent): Models is the harness's only auth path

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Remove AgentHarnessOptions.getApiKeyAndHeaders: turn streaming,
compaction, and branch summarization resolve auth exclusively through
the injected Models instance. compact()/generateSummary()/
generateBranchSummary() lose their explicit apiKey/headers parameters.
This commit is contained in:
Mario Zechner
2026-06-10 21:39:13 +02:00
parent 10a575b76b
commit 9ab1292679
8 changed files with 30 additions and 146 deletions
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packages/agent/CHANGELOG.md
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@@ -4,8 +4,8 @@
### Breaking Changes
- `AgentHarnessOptions.models` is required: the harness streams turns, compaction, and branch summarization through the provided `Models` instance (`models.streamSimple()`/`completeSimple()`) instead of the pi-ai global stream functions. Build one with `createModels()` + provider factories (or `builtinModels()` from `@earendil-works/pi-ai/providers/all`); tests use `fauxProvider()`. `getApiKeyAndHeaders` still wins per field but is no longer required — without it, requests resolve auth through the providers.
- `compact()`, `generateSummary()`, and `generateBranchSummary()` take a `Models` parameter; the explicit `apiKey` is now optional.
- `AgentHarnessOptions.models` is required and is the only auth path: the harness streams turns, compaction, and branch summarization through the provided `Models` instance (`models.streamSimple()`/`completeSimple()`), resolving auth through the providers. `AgentHarnessOptions.getApiKeyAndHeaders` is removed — apps that resolved keys per request now express that as provider auth (`ApiKeyAuth`/`OAuthAuth`) on the providers in the `Models` collection. Build one with `createModels()` + provider factories (or `builtinModels()` from `@earendil-works/pi-ai/providers/all`); tests use `fauxProvider()`.
- `compact()`, `generateSummary()`, and `generateBranchSummary()` take a `Models` parameter and no longer accept explicit `apiKey`/`headers`.
- `StreamFn` is defined structurally (`(model, context, options?) => AssistantMessageEventStream | Promise<...>`); `Models.streamSimple` satisfies it.
## [0.79.1] - 2026-06-09