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path: root/libpanto/src/provider_anthropic_messages.zig
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2026-06-07Alias Conversation instead of facading it; merge addAssistantMessaget
A facade that forwards every method 1:1 is worse than paring the real type down to the intended surface and aliasing it. conversation.Conversation's interface is already the public surface we want (init/deinit, the add*/replace* builders, and messages/allocator as plain data fields), so public.zig now aliases it straight through and Agent.conversation() returns a borrowed *Conversation for in-place surgery. Drops the ConversationData alias and the pointer-wrapper. Merged addAssistantMessageWithUsage into addAssistantMessage(blocks, ?usage) on the real type (separate method deleted), so the alias has the intended one-method shape; all call sites updated. Only Agent and Stream remain true facades -- they have genuinely-internal fields plus API-shaping renames (Stream.phase->state, Phase->State) an alias can't express.
2026-06-05refactor: Agent.run() -> Stream -> Stream.next() -> Eventt
converted the main agent loop from push-based (into callbacks on a Receiver vtable) to pull-based, where `next()` re-enters a state-machine Stream until the next event can be returned.
2026-06-04failure retries schemet
2026-06-02compactiont
2026-06-02tool call resiliencyt
2026-06-01Rename system extension layer to base for clarityt
Replace all references to the "system" layer with "base" to better reflect its role as the foundational extension/tool layer in panto's hierarchy. The layer hierarchy now consistently uses: project > user > base. Includes: - Update agent README and build.zig documentation - Refactor tool registry and config module to support layered lookups - Add TestHarness abstraction for cleaner test setup - Improve JSON serialization with wire-encoded tool names - Add glob pattern matching for tool/extension discovery
2026-05-27session filesT
2026-05-27separate event for providing tool detailsT
OpenAI and Anthropic have tool details (id, name) converge on different timelines. In all cases they are available in `onBlockComplete` which comes with the full block, and previously we had an optional `BlockMeta` argument to `onBlockStart` - the anthropic timeline. We removed the `BlockMeta` from `onBlockStart` since it was always going to be unreliable, and now have an explicit `onToolDetails` instead. This allows us to provide the tool id and name as early as possible from the openai provider (could be in the middle of content deltas), and provide a reliable signal across providers. Also, fix test output.
2026-05-27Stream OpenAI tool_use as discrete blocks; drop BlockMetaT
Close each tool_use on next-index delta (and at finalize) so receivers see one start/delta/complete trio per tool, matching Anthropic. Log+drop fragments for already-closed indices. Remove BlockMeta from the Receiver interface: tool id/name can't be reliably known at onBlockStart under OpenAI's streaming model. Receivers get identity from the assembled ContentBlock at onBlockComplete. CLI renders 'tool: {args} : (name)' accordingly.
2026-05-26phase 3 part 1T
2026-05-25phase 2 doneT