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f3c7281f47
The grep_chunks tool previously accepted an array of regex queries (1-5) and an optional knowledge_base_ids filter and limit. In practice the LLM either fired multiple near-duplicate calls or split synonyms across entries instead of using POSIX alternation, and KB scoping plus result limit are server-side concerns the model should not control. Reshape the contract to match `grep -E -i` semantics: - Schema accepts a single required `query` string. Combine concepts with `|` alternation in one regex instead of multiple calls. - Drop `knowledge_base_ids` and `limit` from the schema; the tool now always searches the full agent scope and uses a fixed internal cap. - Legacy `pattern`, `queries`, `patterns`, `max_results` keys are still accepted and joined into a single alternation regex so older callers and in-flight model outputs keep working. - Update the agent system prompt template to document the new single `query` field. - Frontend tool title now reads `query`/`queries`/`pattern`/`patterns` in that order so the search text is shown again under the new schema. - Add a dedicated `grepSearch` / `grepSearchFailed` tool status (zh-CN, en-US, ko-KR, ru-RU) and rename the zh-CN tool label to "搜索关键词" so the UI no longer prefixes the call with a generic "调用 ..." label.