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0121a1930f feat(helexa-acp): inject and parse Qwen3 Hermes tool format
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The OpenAI `tools` API field isn't load-bearing in this stack —
neuron's chat template renders only message.content, so tool
definitions sent that way never reach the model. Move both sides
of the tool conversation into the Qwen3 Hermes wire format the
model is actually trained on:

- Append a `# Tools` block to the system prompt describing every
  available function (qwen3::render_tool_block).
- Parse `<tool_call>{json}</tool_call>` markers out of the streamed
  content via a chunk-boundary-safe state machine (qwen3::ToolCallParser),
  surfacing them as the existing CompletionEvent::ToolCall* events
  so the agent loop doesn't change.
- Re-serialise assistant turns that called tools with inline
  `<tool_call>` blocks and tool results as user turns wrapped in
  `<tool_response>` (qwen3::render_assistant_with_tool_calls,
  render_tool_response).

Verified against cortex+Qwen3.6-27B: the model produces a
well-formed `<tool_call>{"name":"list_dir","arguments":{"path":"/tmp"}}</tool_call>`
in response to a Hermes-formatted prompt.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-28 11:06:38 +03:00
4a51a54554 fix(helexa-acp): describe Stage 3 tools in the default system prompt
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The Stage 2 prompt told the model it had no tools, which models
trained for caution then dutifully repeat back ("Stage 2 build: no
tools available — I can't read files…"). Stage 3 ships tools in the
CompletionRequest.tools array, but the system message was still
overriding that. Update the default prompt to list the five tools
and instruct the model to use them rather than asking the user to
paste contents.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-28 10:33:17 +03:00
96fc379893 feat(helexa-acp): wire ACP agent loop for text-only conversations
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Stage 2 lands the agent loop on top of the Stage 1 scaffold: session
state with per-session cancellation, a system-prompt builder honouring
HELEXA_ACP_SYSTEM_PROMPT_PATH / system_prompt_path TOML, and handlers
for initialize / session/new / session/prompt / session/cancel that
stream provider output back as session/update notifications. Verified
end-to-end against cortex from Zed.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-05-28 09:46:22 +03:00