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Rene Cannao 28cf4ceab8 feat(plugins/genai): Step 5 — move GenAI/LLM/AI surface into the plugin ... Largest carve-out commit since 4.C: moves the GenAI / LLM / AI / RAG surface (about 7K LOC) out of core into plugins/genai/. After this commit, libproxysql.a no longer publishes any of GenAI_Threads_Handler, LLM_Bridge, LLM_Clients, AI_Features_Manager, AI_Tool_Handler, RAG_Tool_Handler, or the legacy GloGATH/GloAI globals. Files moved (git mv preserves history) Headers (include/ -> plugins/genai/include/) GenAI_Thread.h LLM_Bridge.h AI_Features_Manager.h AI_Tool_Handler.h RAG_Tool_Handler.h (promoted from Step 6 — bidirectional dep with AI_Features_Manager forced the early move, same way MySQL_FTS.h got promoted in 4.C) Sources (lib/ -> plugins/genai/src/ or …/tool_handlers/) GenAI_Thread.cpp LLM_Bridge.cpp LLM_Clients.cpp (.cpp without a header; class decls live in LLM_Bridge.h) AI_Features_Manager.cpp AI_Tool_Handler.cpp -> tool_handlers/ RAG_Tool_Handler.cpp -> tool_handlers/ Plugin lifecycle takeover plugins/genai/src/plugin_main.cpp: - Defines plugin-local GloGATH and GloAI alongside the existing GloMCPH (all three are .so-internal aliases for the contexts genai_init constructs). - genai_init now also constructs GenAI_Threads_Handler (calls ->init()) and AI_Features_Manager (calls ->init()), mirroring the pre-Step-5 ProxySQL_Main_init_GenAI_module sequence. - genai_stop tears them down in reverse order. plugins/genai/src/ProxySQL_MCP_Server.cpp: - AI / RAG endpoint registration re-enabled (was #if 0'd in 4.C because the constructors weren't reachable from the plugin then). /mcp/ai and /mcp/rag are once again live when the operator has GloAI configured. plugins/genai/src/Anomaly_Detector.cpp + plugin_main.cpp: - get_query_embedding() now calls through a function-pointer hook (genai_anomaly_embed_fn) that plugin_main installs in genai_init and clears in genai_stop. This indirection lets the test fixture (which compiles Anomaly_Detector.cpp directly into a test binary, without GenAI_Thread.cpp) link cleanly — the pointer stays null, the detector short-circuits to empty embedding, and the existing nullptr-guard in check_embedding_similarity does the rest. Core neutralization src/main.cpp: - Drops the GloGATH / GloAI globals, ProxySQL_Main_init_GenAI_module definition + call, the shutdown branch, and the `if (GloGATH) init_genai_variables()` call. lib/Admin_Bootstrap.cpp / Admin_FlushVariables.cpp / Admin_Handler.cpp / ProxySQL_Admin.cpp / MySQL_Session.cpp / ProxySQL_Admin_Stats.cpp: - Drop the corresponding `#include` and `extern` declarations. - flush_genai_variables___* stubbed (mirrors the 4.C MCP pattern; original bodies preserved in `#if 0` for the upcoming LOAD/SAVE GENAI verbs port). lib/Admin_Handler.cpp: - Loose-prefix accept for `genai-*` in is_valid_global_variable (mirrors the 4.F mcp-* fix), so SET genai-X=Y still reaches main.global_variables; runtime push happens via the plugin's LOAD GENAI VARIABLES TO RUNTIME (registered in a follow-up). include/cpp.h, include/proxysql.h: - Removed the AI_Features_Manager.h / LLM_Bridge.h / GenAI_Thread.h / AI_Tool_Handler.h / RAG_Tool_Handler.h includes that no longer resolve from core's -I path. test/tap/test_helpers/test_globals.cpp: - Drops the matching `#include`s and stub globals. Test fixture test/tap/tests/unit/Makefile: - PROXYSQLGENAI auto-detect probe switched from `GenAI_Thread` (now plugin-only) to `AI_Vector_Storage` (still in core for Step 6). After Step 6 the probe will switch again, and Step 7 deletes the auto-detect entirely. All three plugin unit tests pass: - genai_plugin_load_unit-t : 25/25 - genai_plugin_anomaly_unit-t : 6/6 - genai_plugin_backend_client : 27/27 Carve-out scoreboard: Step 0-2 : infrastructure Step 3 : ~1.1 K LOC (Anomaly_Detector) Step 4.B : ~0.5 K LOC (backend_client) Step 4.C : ~13 K LOC (MCP subsystem) Step 4.F : runtime-reconfig admin SQL routed through plugin commands Step 4.G : MCP admin / config / stats tables registered via plugin ABI Step 5 : ~7 K LOC (GenAI/LLM/AI/RAG) Pending: Step 6 (AI_Vector_Storage, MySQL_Catalog, Discovery_Schema, Static_Harvester, PgSQL_Static_Harvester) and Step 7 (delete the PROXYSQLGENAI macro entirely).		2 months ago
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fake_plugin.cpp	fix(plugin-chassis): address deep-review findings	2 months ago
test_globals.cpp	feat(plugins/genai): Step 5 — move GenAI/LLM/AI surface into the plugin	2 months ago
test_globals.h	…
test_init.cpp	Address review feedback on hostgroups unit tests (PR #5506)	3 months ago
test_init.h	Address review feedback on hostgroups unit tests (PR #5506)	3 months ago