Snak

-- ============================================================================ -- ENUM TYPES -- ============================================================================ -- Memory strategy enumeration CREATE TYPE memory_strategy AS ENUM ( 'holistic', -- Perfect for interactive agent or autonomous agent with short-life 'categorized' -- Perfect for long-life autonomous agent ); -- ============================================================================ -- COMPOSITE TYPES -- ============================================================================ -- Agent Profile composite type -- As per manual 8.16: Composite types represent row/record structure CREATE TYPE agent_profile AS ( name VARCHAR(255), "group" VARCHAR(255), description TEXT, contexts TEXT[] ); -- Model Level Configuration (nested in graph_config) CREATE TYPE model_config AS ( model_provider VARCHAR(50), -- e.g., 'openai', 'azure', 'anthropic' model_name VARCHAR(255), temperature NUMERIC(3,2), max_tokens INTEGER ); -- Graph execution configuration CREATE TYPE graph_config AS ( max_steps INTEGER, max_iterations INTEGER, max_retries INTEGER, execution_timeout_ms BIGINT, max_token_usage INTEGER, model model_config ); -- Memory size limits configuration CREATE TYPE memory_size_limits AS ( short_term_memory_size INTEGER, max_insert_episodic_size INTEGER, max_insert_semantic_size INTEGER, max_retrieve_memory_size INTEGER, limit_before_summarization INTEGER ); -- Memory thresholds configuration CREATE TYPE memory_thresholds AS ( insert_semantic_threshold NUMERIC(3,2), insert_episodic_threshold NUMERIC(3,2), retrieve_memory_threshold NUMERIC(3,2), hitl_threshold NUMERIC(3,2) ); -- Memory timeout configuration CREATE TYPE memory_timeouts AS ( retrieve_memory_timeout_ms BIGINT, insert_memory_timeout_ms BIGINT ); -- Memory configuration CREATE TYPE memory_config AS ( ltm_enabled BOOLEAN, size_limits memory_size_limits, thresholds memory_thresholds, timeouts memory_timeouts, strategy memory_strategy ); -- RAG configuration CREATE TYPE rag_config AS ( enabled BOOLEAN, top_k INTEGER ); -- ============================================================================ -- MAIN AGENTS TABLE -- ============================================================================ -- Drop existing table if exists (for clean recreation) DROP TABLE IF EXISTS agents CASCADE; -- Primary Agents Table with new structure CREATE TABLE agents ( -- Unique identifier for each agent (auto-generated) id UUID PRIMARY KEY DEFAULT uuid_generate_v4(), -- Reference to the user who owns this agent user_id UUID NOT NULL, -- Agent Profile (composite type) - MANDATORY profile agent_profile NOT NULL, -- MCP Servers configurations (using JSONB as per manual 8.14) - MANDATORY mcp_servers JSONB NOT NULL, -- Prompt configurations (composite type) - MANDATORY prompts_id UUID NOT NULL, -- Graph execution settings (composite type) - MANDATORY graph graph_config NOT NULL, -- Memory settings (composite type) - MANDATORY memory memory_config NOT NULL, -- RAG settings (composite type) - MANDATORY rag rag_config NOT NULL, -- Metadata fields created_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP, updated_at TIMESTAMP WITH TIME ZONE DEFAULT CURRENT_TIMESTAMP, -- Optional avatar fields (kept from original for UI purposes) avatar_image BYTEA, avatar_mime_type VARCHAR(50), -- Constraints (WITHOUT the problematic UNIQUE constraints) CONSTRAINT agents_name_not_empty CHECK (length(trim((profile).name)) > 0), CONSTRAINT agents_mcp_servers_not_null CHECK (mcp_servers IS NOT NULL), CONSTRAINT fk_agents_prompts_id FOREIGN KEY (prompts_id) REFERENCES prompts(id) ON DELETE CASCADE ); -- Indexes for performance optimization -- Unique index on (user_id, profile.name, profile.group) to enforce uniqueness per user CREATE UNIQUE INDEX agents_user_name_group_unique ON agents (user_id, ((profile).name), ((profile)."group")); CREATE INDEX idx_agents_user_id ON agents (user_id); CREATE INDEX idx_agents_name ON agents (((profile).name)); CREATE INDEX idx_agents_group ON agents (((profile)."group")); CREATE INDEX idx_agents_created_at ON agents (created_at); CREATE INDEX idx_agents_prompts_id ON agents (prompts_id); -- GIN index for JSONB mcp_servers for efficient queries CREATE INDEX idx_agents_mcp_servers ON agents USING GIN (mcp_servers); -- ============================================================================ -- HELPER FUNCTIONS -- ============================================================================ -- Function to automatically update the updated_at timestamp CREATE OR REPLACE FUNCTION update_updated_at_column() RETURNS TRIGGER AS $$ BEGIN NEW.updated_at = CURRENT_TIMESTAMP; RETURN NEW; END; $$ LANGUAGE plpgsql; -- Trigger to update updated_at on agents table CREATE TRIGGER update_agents_updated_at BEFORE UPDATE ON agents FOR EACH ROW EXECUTE FUNCTION update_updated_at_column(); -- ============================================================================ -- VALIDATION FUNCTION -- ============================================================================ -- Function to validate agent data completeness before insertion -- This provides detailed error messages for missing fields CREATE OR REPLACE FUNCTION validate_agent_data() RETURNS TRIGGER AS $$ BEGIN -- Check profile name IF (NEW.profile).name IS NULL OR length(trim((NEW.profile).name)) = 0 THEN RAISE EXCEPTION 'Agent profile.name is required and cannot be empty'; END IF; -- Check profile group IF (NEW.profile)."group" IS NULL THEN RAISE EXCEPTION 'Agent profile.group is required'; END IF; -- Check profile fields IF NEW.profile IS NULL THEN RAISE EXCEPTION 'Agent profile is required'; END IF; IF (NEW.profile).description IS NULL THEN RAISE EXCEPTION 'Agent profile.description is required'; END IF; IF (NEW.profile).contexts IS NULL THEN RAISE EXCEPTION 'Agent profile.contexts is required (can be empty array)'; END IF; -- Check mcp_servers IF NEW.mcp_servers IS NULL THEN RAISE EXCEPTION 'Agent mcp_servers is required (can be empty object {})'; END IF; -- Check prompts_id IF NEW.prompts_id IS NULL THEN RAISE EXCEPTION 'Agent prompts_id is required'; END IF; -- Check graph configuration IF NEW.graph IS NULL THEN RAISE EXCEPTION 'Agent graph configuration is required'; END IF; IF (NEW.graph).max_steps IS NULL THEN RAISE EXCEPTION 'Agent graph.max_steps is required'; END IF; IF (NEW.graph).max_iterations IS NULL THEN RAISE EXCEPTION 'Agent graph.max_iterations is required'; END IF; IF (NEW.graph).max_retries IS NULL THEN RAISE EXCEPTION 'Agent graph.max_retries is required'; END IF; IF (NEW.graph).execution_timeout_ms IS NULL THEN RAISE EXCEPTION 'Agent graph.execution_timeout_ms is required'; END IF; IF (NEW.graph).max_token_usage IS NULL THEN RAISE EXCEPTION 'Agent graph.max_token_usage is required'; END IF; IF (NEW.graph).model IS NULL THEN RAISE EXCEPTION 'Agent graph.model configuration is required'; END IF; -- Check memory configuration IF NEW.memory IS NULL THEN RAISE EXCEPTION 'Agent memory configuration is required'; END IF; IF (NEW.memory).ltm_enabled IS NULL THEN RAISE EXCEPTION 'Agent memory.ltm_enabled is required'; END IF; IF (NEW.memory).strategy IS NULL THEN RAISE EXCEPTION 'Agent memory.strategy is required'; END IF; -- Check RAG configuration IF NEW.rag IS NULL THEN RAISE EXCEPTION 'Agent RAG configuration is required'; END IF; IF (NEW.rag).enabled IS NULL THEN RAISE EXCEPTION 'Agent rag.enabled is required'; END IF; RETURN NEW; END; $$ LANGUAGE plpgsql; -- Trigger to validate agent data before insert or update CREATE TRIGGER validate_agent_data_trigger BEFORE INSERT OR UPDATE ON agents FOR EACH ROW EXECUTE FUNCTION validate_agent_data(); -- ============================================================================ -- CONVENIENCE FUNCTIONS -- ============================================================================ -- Function to update agent memory strategy CREATE OR REPLACE FUNCTION update_agent_memory_strategy( p_agent_id UUID, p_user_id UUID, p_strategy memory_strategy ) RETURNS BOOLEAN AS $$ BEGIN UPDATE agents SET memory.strategy = p_strategy WHERE id = p_agent_id AND user_id = p_user_id; RETURN FOUND; END; $$ LANGUAGE plpgsql; CREATE OR REPLACE FUNCTION update_agent_complete( p_agent_id UUID, p_user_id UUID, p_config JSONB ) RETURNS TABLE( success BOOLEAN, message TEXT, updated_agent_id UUID ) AS $$ BEGIN -- Update only provided fields UPDATE agents SET profile = CASE WHEN p_config->'profile' IS NOT NULL THEN ROW( COALESCE(p_config->'profile'->>'name', (profile).name), COALESCE(p_config->'profile'->>'group', (profile)."group"), COALESCE(p_config->'profile'->>'description', (profile).description), COALESCE( CASE WHEN p_config->'profile'->'contexts' IS NOT NULL THEN ARRAY(SELECT jsonb_array_elements_text(p_config->'profile'->'contexts')) ELSE NULL END, (profile).contexts ) )::agent_profile ELSE profile END, mcp_servers = COALESCE(p_config->'mcp_servers', mcp_servers), prompts_id = COALESCE((p_config->>'prompts_id')::UUID, prompts_id), graph = CASE WHEN p_config->'graph' IS NOT NULL THEN ROW( COALESCE((p_config->'graph'->>'max_steps')::integer, (graph).max_steps), COALESCE((p_config->'graph'->>'max_iterations')::integer, (graph).max_iterations), COALESCE((p_config->'graph'->>'max_retries')::integer, (graph).max_retries), COALESCE((p_config->'graph'->>'execution_timeout_ms')::bigint, (graph).execution_timeout_ms), COALESCE((p_config->'graph'->>'max_token_usage')::integer, (graph).max_token_usage), ROW( COALESCE(p_config->'graph'->'model'->>'provider', ((graph).model).model_provider), COALESCE(p_config->'graph'->'model'->>'model_name', ((graph).model).model_name), COALESCE((p_config->'graph'->'model'->>'temperature')::numeric(3,2), ((graph).model).temperature), COALESCE((p_config->'graph'->'model'->>'max_tokens')::integer, ((graph).model).max_tokens) )::model_config )::graph_config ELSE graph END, memory = CASE WHEN p_config->'memory' IS NOT NULL THEN ROW( COALESCE((p_config->'memory'->>'ltm_enabled')::boolean, (memory).ltm_enabled), ROW( COALESCE((p_config->'memory'->'size_limits'->>'short_term_memory_size')::integer, ((memory).size_limits).short_term_memory_size), COALESCE((p_config->'memory'->'size_limits'->>'max_insert_episodic_size')::integer, ((memory).size_limits).max_insert_episodic_size), COALESCE((p_config->'memory'->'size_limits'->>'max_insert_semantic_size')::integer, ((memory).size_limits).max_insert_semantic_size), COALESCE((p_config->'memory'->'size_limits'->>'max_retrieve_memory_size')::integer, ((memory).size_limits).max_retrieve_memory_size), COALESCE((p_config->'memory'->'size_limits'->>'limit_before_summarization')::integer, ((memory).size_limits).limit_before_summarization) )::memory_size_limits, ROW( COALESCE((p_config->'memory'->'thresholds'->>'insert_semantic_threshold')::numeric(3,2), ((memory).thresholds).insert_semantic_threshold), COALESCE((p_config->'memory'->'thresholds'->>'insert_episodic_threshold')::numeric(3,2), ((memory).thresholds).insert_episodic_threshold), COALESCE((p_config->'memory'->'thresholds'->>'retrieve_memory_threshold')::numeric(3,2), ((memory).thresholds).retrieve_memory_threshold), COALESCE((p_config->'memory'->'thresholds'->>'hitl_threshold')::numeric(3,2), ((memory).thresholds).hitl_threshold) )::memory_thresholds, ROW( COALESCE((p_config->'memory'->'timeouts'->>'retrieve_memory_timeout_ms')::bigint, ((memory).timeouts).retrieve_memory_timeout_ms), COALESCE((p_config->'memory'->'timeouts'->>'insert_memory_timeout_ms')::bigint, ((memory).timeouts).insert_memory_timeout_ms) )::memory_timeouts, -- Fixed: Cast to memory_strategy first, then COALESCE with matching types COALESCE( (p_config->'memory'->>'strategy')::memory_strategy, (memory).strategy ) )::memory_config ELSE memory END, rag = CASE WHEN p_config->'rag' IS NOT NULL THEN ROW( COALESCE((p_config->'rag'->>'enabled')::boolean, (rag).enabled), COALESCE((p_config->'rag'->>'top_k')::integer, (rag).top_k) )::rag_config ELSE rag END, avatar_image = CASE WHEN p_config ? 'avatar_image' AND p_config->>'avatar_image' IS NOT NULL THEN decode(p_config->>'avatar_image', 'base64') ELSE avatar_image END, avatar_mime_type = COALESCE(p_config->>'avatar_mime_type', avatar_mime_type), updated_at = NOW() WHERE id = p_agent_id AND user_id = p_user_id; IF FOUND THEN RETURN QUERY SELECT TRUE, 'Agent updated successfully', p_agent_id; ELSE RETURN QUERY SELECT FALSE, 'Agent not found or unauthorized', NULL::UUID; END IF; END; $$ LANGUAGE plpgsql; -- Function to update agent with full replacement (all fields required) -- This function requires ALL mandatory fields and completely replaces the record CREATE OR REPLACE FUNCTION replace_agent_complete( p_agent_id UUID, p_user_id UUID, p_profile agent_profile, p_mcp_servers JSONB, p_prompts_id UUID, p_graph graph_config, p_memory memory_config, p_rag rag_config, p_avatar_image BYTEA DEFAULT NULL, p_avatar_mime_type VARCHAR(50) DEFAULT NULL ) RETURNS TABLE ( success BOOLEAN, message TEXT, updated_agent_id UUID ) LANGUAGE plpgsql AS $$ DECLARE rows_updated INTEGER; BEGIN -- Check if agent exists and belongs to the user IF NOT EXISTS (SELECT 1 FROM agents WHERE id = p_agent_id AND user_id = p_user_id) THEN RETURN QUERY SELECT FALSE AS success, 'Agent not found with ID: ' || p_agent_id::TEXT || ' for user: ' || p_user_id::TEXT AS message, NULL::UUID AS updated_agent_id; RETURN; END IF; -- Completely replace all fields (mandatory fields must be provided) UPDATE agents SET profile = p_profile, mcp_servers = p_mcp_servers, prompts_id = p_prompts_id, graph = p_graph, memory = p_memory, rag = p_rag, avatar_image = p_avatar_image, avatar_mime_type = p_avatar_mime_type, updated_at = CURRENT_TIMESTAMP WHERE id = p_agent_id AND user_id = p_user_id; GET DIAGNOSTICS rows_updated = ROW_COUNT; IF rows_updated > 0 THEN RETURN QUERY SELECT TRUE AS success, 'Agent completely replaced successfully' AS message, p_agent_id AS updated_agent_id; ELSE RETURN QUERY SELECT FALSE AS success, 'Failed to replace agent' AS message, NULL::UUID AS updated_agent_id; END IF; EXCEPTION WHEN OTHERS THEN RETURN QUERY SELECT FALSE AS success, 'Error replacing agent: ' || SQLERRM AS message, NULL::UUID AS updated_agent_id; END; $$; -- Function to enable/disable RAG for an agent CREATE OR REPLACE FUNCTION toggle_agent_rag( p_agent_id UUID, p_user_id UUID, p_enabled BOOLEAN ) RETURNS BOOLEAN AS $$ BEGIN UPDATE agents SET rag.enabled = p_enabled WHERE id = p_agent_id AND user_id = p_user_id; RETURN FOUND; END; $$ LANGUAGE plpgsql; CREATE OR REPLACE FUNCTION insert_agent_from_json( p_user_id UUID, p_config JSONB ) RETURNS TABLE( id UUID, user_id UUID, profile JSONB, mcp_servers JSONB, prompts_id UUID, graph JSONB, memory JSONB, rag JSONB, created_at TIMESTAMP WITH TIME ZONE, updated_at TIMESTAMP WITH TIME ZONE, avatar_image BYTEA, avatar_mime_type VARCHAR(50) ) AS $$ DECLARE v_prompts_id UUID; v_inserted_id UUID; BEGIN -- Extract prompts_id, use NULL if not present v_prompts_id := (p_config->>'prompts_id')::UUID; -- If NULL, initialize default prompts IF v_prompts_id IS NULL THEN RAISE EXCEPTION 'prompts_id is required in the configuration JSON'; END IF; INSERT INTO agents ( user_id, profile, mcp_servers, prompts_id, graph, memory, rag, avatar_image, avatar_mime_type ) VALUES ( p_user_id, ROW( p_config->'profile'->>'name', p_config->'profile'->>'group', p_config->'profile'->>'description', ARRAY(SELECT jsonb_array_elements_text(p_config->'profile'->'contexts')) )::agent_profile, p_config->'mcp_servers', v_prompts_id, ROW( (p_config->'graph'->>'max_steps')::integer, (p_config->'graph'->>'max_iterations')::integer, (p_config->'graph'->>'max_retries')::integer, (p_config->'graph'->>'execution_timeout_ms')::bigint, (p_config->'graph'->>'max_token_usage')::integer, ROW( p_config->'graph'->'model'->>'provider', p_config->'graph'->'model'->>'model_name', (p_config->'graph'->'model'->>'temperature')::numeric(3,2), (p_config->'graph'->'model'->>'max_tokens')::integer )::model_config )::graph_config, ROW( (p_config->'memory'->>'ltm_enabled')::boolean, ROW( (p_config->'memory'->'size_limits'->>'short_term_memory_size')::integer, (p_config->'memory'->'size_limits'->>'max_insert_episodic_size')::integer, (p_config->'memory'->'size_limits'->>'max_insert_semantic_size')::integer, (p_config->'memory'->'size_limits'->>'max_retrieve_memory_size')::integer, (p_config->'memory'->'size_limits'->>'limit_before_summarization')::integer )::memory_size_limits, ROW( (p_config->'memory'->'thresholds'->>'insert_semantic_threshold')::numeric(3,2), (p_config->'memory'->'thresholds'->>'insert_episodic_threshold')::numeric(3,2), (p_config->'memory'->'thresholds'->>'retrieve_memory_threshold')::numeric(3,2), (p_config->'memory'->'thresholds'->>'hitl_threshold')::numeric(3,2) )::memory_thresholds, ROW( (p_config->'memory'->'timeouts'->>'retrieve_memory_timeout_ms')::bigint, (p_config->'memory'->'timeouts'->>'insert_memory_timeout_ms')::bigint )::memory_timeouts, (p_config->'memory'->>'strategy')::memory_strategy )::memory_config, ROW( (p_config->'rag'->>'enabled')::boolean, (p_config->'rag'->>'top_k')::integer )::rag_config, CASE WHEN p_config ? 'avatar_image' AND p_config->>'avatar_image' IS NOT NULL THEN decode(p_config->>'avatar_image', 'base64') ELSE NULL END, p_config->>'avatar_mime_type' ) RETURNING agents.id INTO v_inserted_id; RETURN QUERY SELECT a.id, a.user_id, to_jsonb(a.profile) as profile, a.mcp_servers as mcp_servers, a.prompts_id, to_jsonb(a.graph) as graph, to_jsonb(a.memory) as memory, to_jsonb(a.rag) as rag, a.created_at, a.updated_at, a.avatar_image, a.avatar_mime_type FROM agents a WHERE a.id = v_inserted_id; END; $$ LANGUAGE plpgsql; -- ============================================================================ -- USAGE EXAMPLES -- ============================================================================ -- Example 1: Creating a new agent with COMPLETE configuration (ALL FIELDS REQUIRED) /* INSERT INTO agents ( user_id, name, "group", profile, mcp_servers, plugins, prompts_id, graph, memory, rag ) VALUES ( '123e4567-e89b-12d3-a456-426614174000'::UUID, -- user_id (required) 'Customer Service Bot', 'support', ROW( 'Handles customer inquiries and support tickets', ARRAY['Friendly and helpful', 'Patient with customers'], ARRAY['Resolve customer issues', 'Provide accurate information'], ARRAY['product-catalog', 'return-policy', 'shipping-info'], NULL )::agent_profile, '{"slack": {"url": "https://slack.api", "token": "xxx"}}'::jsonb, ARRAY['email-plugin', 'calendar-plugin'], '550e8400-e29b-41d4-a716-446655440001'::UUID, ROW( 200, 30, 5, 600000, 150000, ROW('gpt-4-turbo', 0.8, 8192, 0.9, 0.1, 0.1)::model_config )::graph_config, ROW( true, 0.85, ROW(15, 100, 100, 30)::memory_size_limits, ROW(0.75, 0.65, 0.55, 0.85)::memory_thresholds, ROW(10000, 5000)::memory_timeouts, 'categorized'::memory_strategy )::memory_config, ROW(true, 10, 'text-embedding-3-large')::rag_config ); */ -- Example 2: This will FAIL - missing required fields /* INSERT INTO agents (name) VALUES ('Test Bot'); -- ERROR: Agent profile is required */ -- Example 3: Minimal valid agent with empty arrays/objects where allowed /* INSERT INTO agents ( user_id, name, profile, mcp_servers, plugins, prompts_id, graph, memory, rag ) VALUES ( '123e4567-e89b-12d3-a456-426614174000'::UUID, -- user_id (required) 'Minimal Bot', ROW( 'A minimal agent configuration', ARRAY[]::TEXT[], -- empty lore ARRAY[]::TEXT[], -- empty objectives ARRAY[]::TEXT[], -- empty knowledge NULL )::agent_profile, '{}'::jsonb, -- empty mcp_servers ARRAY[]::TEXT[], -- empty plugins '550e8400-e29b-41d4-a716-446655440002'::UUID, ROW( 100, 15, 3, 300000, 100000, ROW('gpt-4', 0.7, 4096, 0.95, 0.0, 0.0)::model_config )::graph_config, ROW( false, 0.8, ROW(10, 50, 50, 20)::memory_size_limits, ROW(0.7, 0.6, 0.5, 0.8)::memory_thresholds, ROW(5000, 3000)::memory_timeouts, 'holistic'::memory_strategy )::memory_config, ROW(false, 5, 'text-embedding-ada-002')::rag_config ); */ -- Example 4: Querying agents by memory strategy for a specific user /* SELECT name, (memory).strategy, (memory).ltm_enabled FROM agents WHERE user_id = '123e4567-e89b-12d3-a456-426614174000'::UUID AND (memory).strategy = 'categorized'; */ -- Example 6: Updating MCP server configuration for a specific user's agent /* UPDATE agents SET mcp_servers = mcp_servers || '{"github": {"token": "ghp_xxx"}}'::jsonb WHERE user_id = '123e4567-e89b-12d3-a456-426614174000'::UUID AND name = 'Development Assistant'; */ -- Example 7: Partial agent update (only update specific fields) /* SELECT * FROM update_agent_complete( '456e7890-e89b-12d3-a456-426614174001'::UUID, -- agent_id '123e4567-e89b-12d3-a456-426614174000'::UUID, -- user_id ROW( 'Updated Agent Name', 'production', 'Updated description', ARRAY['updated context'] )::agent_profile, -- new profile NULL, -- keep existing mcp_servers NULL, -- keep existing prompts NULL, -- keep existing graph config NULL, -- keep existing memory config NULL -- keep existing rag config ); */ -- Example 8: Complete agent replacement /* SELECT * FROM replace_agent_complete( '456e7890-e89b-12d3-a456-426614174001'::UUID, -- agent_id '123e4567-e89b-12d3-a456-426614174000'::UUID, -- user_id ROW( 'Completely New Agent', 'new_group', 'Brand new description', ARRAY['New context'] )::agent_profile, '{"newservice": {"url": "https://api.new", "key": "xxx"}}'::jsonb, '550e8400-e29b-41d4-a716-446655440003'::UUID, ROW( 150, 25, 4, 500000, 120000, ROW('gpt-4', 0.7, 6144, 0.85, 0.2, 0.1)::model_config )::graph_config, ROW( true, 0.9, ROW(12, 80, 80, 25)::memory_size_limits, ROW(0.8, 0.7, 0.6, 0.9)::memory_thresholds, ROW(8000, 4000)::memory_timeouts, 'holistic'::memory_strategy )::memory_config, ROW(true, 8, 'text-embedding-3-small')::rag_config ); */ -- ============================================================================