feat: add full table name to context file (gemini-cli-extensions#35)

Author: averikitsch

CLOUD-SQL-SQLSERVER.md

@@ -82,4 +82,10 @@ Users may have set project environment variables:
 *   `CLOUD_SQL_MSSQL_DATABASE`: The name of the database.
 
 Instead of prompting the user for these values for specific tool calls, prompt the user to verify reuse a specific value.
-Make sure to not use the environment variable name like `CLOUD_SQL_MSSQL_PROJECT`, `${CLOUD_SQL_MSSQL_PROJECT}`, or `$CLOUD_SQL_MSSQL_PROJECT`. The value can be found by using command: `echo $CLOUD_SQL_MSSQL_PROJECT`.
+Make sure to not use the environment variable name like `CLOUD_SQL_MSSQL_PROJECT`, `${CLOUD_SQL_MSSQL_PROJECT}`, or `$CLOUD_SQL_MSSQL_PROJECT`. The value can be found by using command: `echo $CLOUD_SQL_MSSQL_PROJECT`.
+
+## Use Full Table Name Format "DATABASE_NAME.SCHEMA_NAME.TABLE_NAME"
+
+**ALWAYS** use the full table name format, `DATABASE_NAME.SCHEMA_NAME.TABLE_NAME` in the generated SQL when using the `execute_sql` or `cloud_sql_sqlserver__execute_sql` tool.
+* Default to using "dbo" for the schema name.
+* Use command `echo $CLOUD_SQL_MSSQL_DATABASE` to get the current database value.