Remove memory_research (depended on unreliable SearXNG); research now uses built-in web_search

AGENTS.md

@@ -32,7 +32,7 @@ Read this file before answering any question about knowledge, memory, or researc
 | "What should you research next?" · "What gaps exist?" · "What is missing?" | `memory_list_gaps` |
 | "What do you know about X?" · "Find X in memory" | `memory_search` |
 | "Give me context about X" (before answering) | `memory_get_context` |
-| "Research X on the internet" | `memory_research` |
+| "Research X on the internet" | `web_search` → `web_fetch` → `memory_ingest` → `memory_verify` |
 | "Save/store this fact" | `memory_store` |
 | "Ingest this URL / file / text" | `memory_ingest` |
 | "Is X true?" · "Check this fact" | `memory_verify` |