refactor: migrate to sqlite

hub/internal/store/sqlc/queries/agent.sql

@@ -1,16 +1,22 @@
 -- name: CreateAgent :exec
 INSERT INTO agents (agent_id, agent_name, architecture, system, hostname, version, capabilities)
-VALUES  ($1, $2, $3, $4, $5, $6, $7);
+VALUES  (:agent_id, :agent_name, :architecture, :system, :hostname, :version, :capabilities);
 
 -- name: GetAgentByID :one
 SELECT * from agents
-WHERE id=$1;
+WHERE id = :id;
 
 -- name: GetAgentByAgentID :one
 SELECT * from agents
-WHERE agent_id=$1;
+WHERE agent_id = :agent_id;
 
 -- name: UpdateAgentByID :exec
 UPDATE agents
-SET agent_id=$1, agent_name=$2, architecture=$3, system=$4, hostname=$5, version=$6, capabilities=$7
-WHERE id=$8;
+SET agent_id = :agent_id,
+    agent_name = :agent_name,
+    architecture = :architecture,
+    system = :system,
+    hostname = :hostname,
+    version = :version,
+    capabilities = :capabilities
+WHERE id = :id;