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enable tool search over dynamic tools (#18263)

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## Summary

- Normalize deferred MCP and dynamic tools into `ToolSearchEntry` values
before constructing `ToolSearchHandler`.
- Move the tool-search entry adapter out of `tools/handlers` and into
`tools/tool_search_entry.rs` so the handlers directory stays focused on
handlers.
- Keep `ToolSearchHandler` operating over one generic entry list for
BM25 search, namespace grouping, and per-bucket default limits.

## Why

Follow-up cleanup for #17849. The dynamic tool-search support made the
handler juggle source-specific MCP and dynamic tool lists, index
arithmetic, output conversion, and namespace emission. This keeps source
adaptation outside the handler so the search loop itself is smaller and
source-agnostic.

## Validation

- `just fmt`
- `cargo test -p codex-core tools::handlers::tool_search::tests`
- `git diff --check`
- `cargo test -p codex-core` currently fails in unrelated
`plugins::manager::tests::list_marketplaces_ignores_installed_roots_missing_from_config`;
rerunning that single test fails the same way at
`core/src/plugins/manager_tests.rs:1692`.

---------

Co-authored-by: pash <pash@openai.com>
This commit is contained in:
sayan-oai
2026-04-18 02:07:59 +08:00
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co-authored by pash
parent fad3d0f1d0
commit 6991be7ead
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codex-rs/app-server/README.md
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@@ -1167,7 +1167,7 @@ If the session approval policy uses `Granular` with `request_permissions: false`
`dynamicTools` on `thread/start` and the corresponding `item/tool/call` request/response flow are experimental APIs. To enable them, set `initialize.params.capabilities.experimentalApi = true`.
Each dynamic tool may set `deferLoading`. When omitted, it defaults to `false`. Set it to `true` to keep the tool registered and callable by runtime features such as `js_repl`, while excluding it from the model-facing tool list sent on ordinary turns.
Each dynamic tool may set `deferLoading`. When omitted, it defaults to `false`. Set it to `true` to keep the tool registered and callable by runtime features such as `js_repl`, while excluding it from the model-facing tool list sent on ordinary turns. When `tool_search` is available, deferred dynamic tools are searchable and can be exposed by a matching search result.
When a dynamic tool is invoked during a turn, the server sends an `item/tool/call` JSON-RPC request to the client: