sam
741a09017b
Adds save/get/list/delete tools for persisting and retrieving agent chat histories in AMCS. Changes: - migrations/018_chat_histories.sql: new chat_histories table with indexes on session_id, project_id, channel, agent_id, created_at, and FTS over title+summary - internal/types/extensions.go: ChatMessage and ChatHistory types - internal/store/chat_histories.go: SaveChatHistory, GetChatHistory, GetChatHistoryBySessionID, ListChatHistories, DeleteChatHistory - internal/tools/chat_history.go: ChatHistoryTool with four handlers (save_chat_history, get_chat_history, list_chat_histories, delete_chat_history) - internal/mcpserver/server.go: ChatHistory field in ToolSet, registerChatHistoryTools registration function - internal/app/app.go: wire ChatHistoryTool into ToolSet
27 lines
1.3 KiB
SQL
27 lines
1.3 KiB
SQL
-- Migration: 018_chat_histories
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-- Adds a dedicated table for saving and retrieving agent chat histories.
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CREATE TABLE IF NOT EXISTS chat_histories (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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session_id TEXT NOT NULL,
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title TEXT,
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channel TEXT,
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agent_id TEXT,
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project_id UUID REFERENCES projects(id) ON DELETE SET NULL,
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messages JSONB NOT NULL DEFAULT '[]',
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summary TEXT,
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metadata JSONB NOT NULL DEFAULT '{}',
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
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);
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CREATE INDEX IF NOT EXISTS idx_chat_histories_session_id ON chat_histories(session_id);
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CREATE INDEX IF NOT EXISTS idx_chat_histories_project_id ON chat_histories(project_id) WHERE project_id IS NOT NULL;
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CREATE INDEX IF NOT EXISTS idx_chat_histories_channel ON chat_histories(channel) WHERE channel IS NOT NULL;
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CREATE INDEX IF NOT EXISTS idx_chat_histories_agent_id ON chat_histories(agent_id) WHERE agent_id IS NOT NULL;
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CREATE INDEX IF NOT EXISTS idx_chat_histories_created_at ON chat_histories(created_at DESC);
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CREATE INDEX IF NOT EXISTS idx_chat_histories_fts
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ON chat_histories
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USING GIN (to_tsvector('simple', coalesce(title, '') || ' ' || coalesce(summary, '')));
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