Support SQL Agent skill (#1411)

* Support SQL Agent skill

* add MSSQL agent connector

* Add frontend to agent skills
remove FAKE_DB mock
reset skills to pickup child-skill dynamically

* add prompt examples for tools on untooled

* add better logging on SQL agents

* Wipe toolruns on each chat relay so tools can be used within the same session

* update comments

server/utils/agents/aibitat/plugins/sql-agent/SQLConnectors/MSSQL.js

@@ -0,0 +1,89 @@
+const mssql = require("mssql");
+const UrlPattern = require("url-pattern");
+
+class MSSQLConnector {
+  #connected = false;
+  database_id = "";
+  connectionConfig = {
+    user: null,
+    password: null,
+    database: null,
+    server: null,
+    port: null,
+    pool: {
+      max: 10,
+      min: 0,
+      idleTimeoutMillis: 30000,
+    },
+    options: {
+      encrypt: false,
+      trustServerCertificate: true,
+    },
+  };
+
+  constructor(
+    config = {
+      // we will force into RFC-3986 from DB
+      // eg: mssql://user:password@server:port/database?{...opts}
+      connectionString: null, // we will force into RFC-3986
+    }
+  ) {
+    this.connectionString = config.connectionString;
+    this._client = null;
+    this.#parseDatabase();
+  }
+
+  #parseDatabase() {
+    const connectionPattern = new UrlPattern(
+      "mssql\\://:username\\::password@*\\::port/:database*"
+    );
+    const match = connectionPattern.match(this.connectionString);
+    this.database_id = match?.database;
+    this.connectionConfig = {
+      ...this.connectionConfig,
+      user: match?.username,
+      password: match?.password,
+      database: match?.database,
+      server: match?._[0],
+      port: match?.port ? Number(match.port) : null,
+    };
+  }
+
+  async connect() {
+    this._client = await mssql.connect(this.connectionConfig);
+    this.#connected = true;
+    return this._client;
+  }
+
+  /**
+   *
+   * @param {string} queryString the SQL query to be run
+   * @returns {import(".").QueryResult}
+   */
+  async runQuery(queryString = "") {
+    const result = { rows: [], count: 0, error: null };
+    try {
+      if (!this.#connected) await this.connect();
+
+      const query = await this._client.query(queryString);
+      result.rows = query.recordset;
+      result.count = query.rowsAffected.reduce((sum, a) => sum + a, 0);
+    } catch (err) {
+      console.log(this.constructor.name, err);
+      result.error = err.message;
+    } finally {
+      await this._client.close();
+      this.#connected = false;
+    }
+    return result;
+  }
+
+  getTablesSql() {
+    return `SELECT name FROM sysobjects WHERE xtype='U';`;
+  }
+  getTableSchemaSql(table_name) {
+    return `SELECT COLUMN_NAME,COLUMN_DEFAULT,IS_NULLABLE,DATA_TYPE FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME='${table_name}'`;
+  }
+}
+
+module.exports.MSSQLConnector = MSSQLConnector;