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Adds searxng support for tool calling

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This commit is contained in:
James Magahern
2026-05-02 18:14:41 -07:00
parent 2125c5dfa4
commit d7967eaa75
7 changed files with 239 additions and 4 deletions
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3
docs/api/rest.md
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@@ -114,7 +114,7 @@ Behavior notes:
- Server updates chat-level model metadata on each call: `lastUsedProvider`/`lastUsedModel`; first successful/failed call also initializes `initiatedProvider`/`initiatedModel` if unset.
- For `openai` and `xai`, backend enables tool use during chat completion with an internal system instruction.
- Available tool calls for chat: `web_search` and `fetch_url`.
- `web_search` uses Exa and returns ranked results with per-result summaries/snippets.
- `web_search` returns ranked results with per-result summaries/snippets. Its backend engine is selected by `CHAT_WEB_SEARCH_ENGINE` (`exa` default, or `searxng` with `SEARXNG_BASE_URL` set). SearXNG mode requires the instance to allow `format=json`.
- `fetch_url` fetches a URL and returns plaintext page content (HTML converted to text server-side).
- When a tool call is executed, backend stores a chat `Message` with `role: "tool"` and tool metadata (`metadata.kind = "tool_call"`), then stores the assistant output.
- `anthropic` currently runs without server-managed tool calls.
@@ -161,6 +161,7 @@ Behavior notes:
Search run notes:
- Backend executes Exa search and Exa answer.
- Search mode is independent from chat `web_search` tool configuration and remains Exa-only.
- Persists answer text/citations + ranked results.
- If both search and answer fail, endpoint returns an error.

1
docs/api/streaming-chat.md
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@@ -105,6 +105,7 @@ Event order:
- `openai`: backend may execute internal tool calls (`web_search`, `fetch_url`) before producing final text.
- `xai`: same tool-enabled behavior as OpenAI.
- `anthropic`: streamed via event stream; emits `delta` from `content_block_delta` with `text_delta`.
- `web_search` uses `CHAT_WEB_SEARCH_ENGINE` (`exa` default, or `searxng` with `SEARXNG_BASE_URL` set). SearXNG mode requires the instance to allow `format=json`. This only affects chat-mode tool calls, not search-mode endpoints.
Tool-enabled streaming notes (`openai`/`xai`):
- Stream still emits standard `meta`, `delta`, `done|error` events.