docs: add missing docs

ref: N25B-115

src/control_backend/agents/bdi/agentspeak_generator.py

@@ -40,9 +40,23 @@ from control_backend.schemas.program import (
 
 
 class AgentSpeakGenerator:
+    """
+    Generator class that translates a high-level :class:`~control_backend.schemas.program.Program`
+    into AgentSpeak(L) source code.
+
+    It handles the conversion of phases, norms, goals, and triggers into AgentSpeak rules and plans,
+    ensuring the robot follows the defined behavioral logic.
+    """
+
     _asp: AstProgram
 
     def generate(self, program: Program) -> str:
+        """
+        Translates a Program object into an AgentSpeak source string.
+
+        :param program: The behavior program to translate.
+        :return: The generated AgentSpeak code as a string.
+        """
         self._asp = AstProgram()
 
         if program.phases: