Merge remote-tracking branch 'origin/feat/reset-experiment-and-phase' into feat/visual-emotion-recognition

src/control_backend/agents/actuation/robot_gesture_agent.py

@@ -83,6 +83,8 @@ class RobotGestureAgent(BaseAgent):
             self.subsocket.close()
         if self.pubsocket:
             self.pubsocket.close()
+        if self.repsocket:
+            self.repsocket.close()
         await super().stop()
 
     async def handle_message(self, msg: InternalMessage):

src/control_backend/agents/bdi/agentspeak_ast.py

@@ -0,0 +1,273 @@
+from __future__ import annotations
+
+from abc import ABC, abstractmethod
+from dataclasses import dataclass, field
+from enum import StrEnum
+
+
+class AstNode(ABC):
+    """
+    Abstract base class for all elements of an AgentSpeak program.
+    """
+
+    @abstractmethod
+    def _to_agentspeak(self) -> str:
+        """
+        Generates the AgentSpeak code string.
+        """
+        pass
+
+    def __str__(self) -> str:
+        return self._to_agentspeak()
+
+
+class AstExpression(AstNode, ABC):
+    """
+    Intermediate class for anything that can be used in a logical expression.
+    """
+
+    def __and__(self, other: ExprCoalescible) -> AstBinaryOp:
+        return AstBinaryOp(self, BinaryOperatorType.AND, _coalesce_expr(other))
+
+    def __or__(self, other: ExprCoalescible) -> AstBinaryOp:
+        return AstBinaryOp(self, BinaryOperatorType.OR, _coalesce_expr(other))
+
+    def __invert__(self) -> AstLogicalExpression:
+        if isinstance(self, AstLogicalExpression):
+            self.negated = not self.negated
+            return self
+        return AstLogicalExpression(self, negated=True)
+
+
+type ExprCoalescible = AstExpression | str | int | float
+
+
+def _coalesce_expr(value: ExprCoalescible) -> AstExpression:
+    if isinstance(value, AstExpression):
+        return value
+    if isinstance(value, str):
+        return AstString(value)
+    if isinstance(value, (int, float)):
+        return AstNumber(value)
+    raise TypeError(f"Cannot coalesce type {type(value)} into an AstTerm.")
+
+
+@dataclass
+class AstTerm(AstExpression, ABC):
+    """
+    Base class for terms appearing inside literals.
+    """
+
+    def __ge__(self, other: ExprCoalescible) -> AstBinaryOp:
+        return AstBinaryOp(self, BinaryOperatorType.GREATER_EQUALS, _coalesce_expr(other))
+
+    def __gt__(self, other: ExprCoalescible) -> AstBinaryOp:
+        return AstBinaryOp(self, BinaryOperatorType.GREATER_THAN, _coalesce_expr(other))
+
+    def __le__(self, other: ExprCoalescible) -> AstBinaryOp:
+        return AstBinaryOp(self, BinaryOperatorType.LESS_EQUALS, _coalesce_expr(other))
+
+    def __lt__(self, other: ExprCoalescible) -> AstBinaryOp:
+        return AstBinaryOp(self, BinaryOperatorType.LESS_THAN, _coalesce_expr(other))
+
+    def __eq__(self, other: ExprCoalescible) -> AstBinaryOp:
+        return AstBinaryOp(self, BinaryOperatorType.EQUALS, _coalesce_expr(other))
+
+    def __ne__(self, other: ExprCoalescible) -> AstBinaryOp:
+        return AstBinaryOp(self, BinaryOperatorType.NOT_EQUALS, _coalesce_expr(other))
+
+
+@dataclass
+class AstAtom(AstTerm):
+    """
+    Grounded expression in all lowercase.
+    """
+
+    value: str
+
+    def _to_agentspeak(self) -> str:
+        return self.value.lower()
+
+
+@dataclass
+class AstVar(AstTerm):
+    """
+    Ungrounded variable expression. First letter capitalized.
+    """
+
+    name: str
+
+    def _to_agentspeak(self) -> str:
+        return self.name.capitalize()
+
+
+@dataclass
+class AstNumber(AstTerm):
+    value: int | float
+
+    def _to_agentspeak(self) -> str:
+        return str(self.value)
+
+
+@dataclass
+class AstString(AstTerm):
+    value: str
+
+    def _to_agentspeak(self) -> str:
+        return f'"{self.value}"'
+
+
+@dataclass
+class AstLiteral(AstTerm):
+    functor: str
+    terms: list[AstTerm] = field(default_factory=list)
+
+    def _to_agentspeak(self) -> str:
+        if not self.terms:
+            return self.functor
+        args = ", ".join(map(str, self.terms))
+        return f"{self.functor}({args})"
+
+
+class BinaryOperatorType(StrEnum):
+    AND = "&"
+    OR = "|"
+    GREATER_THAN = ">"
+    LESS_THAN = "<"
+    EQUALS = "=="
+    NOT_EQUALS = "\\=="
+    GREATER_EQUALS = ">="
+    LESS_EQUALS = "<="
+
+
+@dataclass
+class AstBinaryOp(AstExpression):
+    left: AstExpression
+    operator: BinaryOperatorType
+    right: AstExpression
+
+    def __post_init__(self):
+        self.left = _as_logical(self.left)
+        self.right = _as_logical(self.right)
+
+    def _to_agentspeak(self) -> str:
+        l_str = str(self.left)
+        r_str = str(self.right)
+
+        assert isinstance(self.left, AstLogicalExpression)
+        assert isinstance(self.right, AstLogicalExpression)
+
+        if isinstance(self.left.expression, AstBinaryOp) or self.left.negated:
+            l_str = f"({l_str})"
+        if isinstance(self.right.expression, AstBinaryOp) or self.right.negated:
+            r_str = f"({r_str})"
+
+        return f"{l_str} {self.operator.value} {r_str}"
+
+
+@dataclass
+class AstLogicalExpression(AstExpression):
+    expression: AstExpression
+    negated: bool = False
+
+    def _to_agentspeak(self) -> str:
+        expr_str = str(self.expression)
+        if isinstance(self.expression, AstBinaryOp) and self.negated:
+            expr_str = f"({expr_str})"
+        return f"{'not ' if self.negated else ''}{expr_str}"
+
+
+def _as_logical(expr: AstExpression) -> AstLogicalExpression:
+    if isinstance(expr, AstLogicalExpression):
+        return expr
+    return AstLogicalExpression(expr)
+
+
+class StatementType(StrEnum):
+    EMPTY = ""
+    DO_ACTION = "."
+    ACHIEVE_GOAL = "!"
+    TEST_GOAL = "?"
+    ADD_BELIEF = "+"
+    REMOVE_BELIEF = "-"
+    REPLACE_BELIEF = "-+"
+
+
+@dataclass
+class AstStatement(AstNode):
+    """
+    A statement that can appear inside a plan.
+    """
+
+    type: StatementType
+    expression: AstExpression
+
+    def _to_agentspeak(self) -> str:
+        return f"{self.type.value}{self.expression}"
+
+
+@dataclass
+class AstRule(AstNode):
+    result: AstExpression
+    condition: AstExpression | None = None
+
+    def __post_init__(self):
+        if self.condition is not None:
+            self.condition = _as_logical(self.condition)
+
+    def _to_agentspeak(self) -> str:
+        if not self.condition:
+            return f"{self.result}."
+        return f"{self.result} :- {self.condition}."
+
+
+class TriggerType(StrEnum):
+    ADDED_BELIEF = "+"
+    # REMOVED_BELIEF = "-"  # TODO
+    # MODIFIED_BELIEF = "^"  # TODO
+    ADDED_GOAL = "+!"
+    # REMOVED_GOAL = "-!"  # TODO
+
+
+@dataclass
+class AstPlan(AstNode):
+    type: TriggerType
+    trigger_literal: AstExpression
+    context: list[AstExpression]
+    body: list[AstStatement]
+
+    def _to_agentspeak(self) -> str:
+        assert isinstance(self.trigger_literal, AstLiteral)
+
+        indent = " " * 6
+        colon = "  :   "
+        arrow = "  <-  "
+
+        lines = []
+
+        lines.append(f"{self.type.value}{self.trigger_literal}")
+
+        if self.context:
+            lines.append(colon + f" &\n{indent}".join(str(c) for c in self.context))
+
+        if self.body:
+            lines.append(arrow + f";\n{indent}".join(str(s) for s in self.body) + ".")
+
+        lines.append("")
+
+        return "\n".join(lines)
+
+
+@dataclass
+class AstProgram(AstNode):
+    rules: list[AstRule] = field(default_factory=list)
+    plans: list[AstPlan] = field(default_factory=list)
+
+    def _to_agentspeak(self) -> str:
+        lines = []
+        lines.extend(map(str, self.rules))
+
+        lines.extend(["", ""])
+        lines.extend(map(str, self.plans))
+
+        return "\n".join(lines)

src/control_backend/agents/bdi/agentspeak_generator.py

@@ -0,0 +1,504 @@
+from functools import singledispatchmethod
+
+from slugify import slugify
+
+from control_backend.agents.bdi.agentspeak_ast import (
+    AstAtom,
+    AstBinaryOp,
+    AstExpression,
+    AstLiteral,
+    AstNumber,
+    AstPlan,
+    AstProgram,
+    AstRule,
+    AstStatement,
+    AstString,
+    AstVar,
+    BinaryOperatorType,
+    StatementType,
+    TriggerType,
+)
+from control_backend.schemas.program import (
+    BaseGoal,
+    BasicNorm,
+    ConditionalNorm,
+    GestureAction,
+    Goal,
+    InferredBelief,
+    KeywordBelief,
+    LLMAction,
+    LogicalOperator,
+    Norm,
+    Phase,
+    PlanElement,
+    Program,
+    ProgramElement,
+    SemanticBelief,
+    SpeechAction,
+    Trigger,
+)
+
+
+class AgentSpeakGenerator:
+    _asp: AstProgram
+
+    def generate(self, program: Program) -> str:
+        self._asp = AstProgram()
+
+        if program.phases:
+            self._asp.rules.append(AstRule(self._astify(program.phases[0])))
+        else:
+            self._asp.rules.append(AstRule(AstLiteral("phase", [AstString("end")])))
+
+        self._asp.rules.append(AstRule(AstLiteral("!notify_cycle")))
+
+        self._add_keyword_inference()
+        self._add_default_plans()
+
+        self._process_phases(program.phases)
+
+        self._add_fallbacks()
+
+        return str(self._asp)
+
+    def _add_keyword_inference(self) -> None:
+        keyword = AstVar("Keyword")
+        message = AstVar("Message")
+        position = AstVar("Pos")
+
+        self._asp.rules.append(
+            AstRule(
+                AstLiteral("keyword_said", [keyword]),
+                AstLiteral("user_said", [message])
+                & AstLiteral(".substring", [keyword, message, position])
+                & (position >= 0),
+            )
+        )
+
+    def _add_default_plans(self):
+        self._add_reply_with_goal_plan()
+        self._add_say_plan()
+        self._add_reply_plan()
+        self._add_notify_cycle_plan()
+
+    def _add_reply_with_goal_plan(self):
+        self._asp.plans.append(
+            AstPlan(
+                TriggerType.ADDED_GOAL,
+                AstLiteral("reply_with_goal", [AstVar("Goal")]),
+                [AstLiteral("user_said", [AstVar("Message")])],
+                [
+                    AstStatement(StatementType.ADD_BELIEF, AstLiteral("responded_this_turn")),
+                    AstStatement(
+                        StatementType.DO_ACTION,
+                        AstLiteral(
+                            "findall",
+                            [AstVar("Norm"), AstLiteral("norm", [AstVar("Norm")]), AstVar("Norms")],
+                        ),
+                    ),
+                    AstStatement(
+                        StatementType.DO_ACTION,
+                        AstLiteral(
+                            "reply_with_goal", [AstVar("Message"), AstVar("Norms"), AstVar("Goal")]
+                        ),
+                    ),
+                ],
+            )
+        )
+
+    def _add_say_plan(self):
+        self._asp.plans.append(
+            AstPlan(
+                TriggerType.ADDED_GOAL,
+                AstLiteral("say", [AstVar("Text")]),
+                [],
+                [
+                    AstStatement(StatementType.ADD_BELIEF, AstLiteral("responded_this_turn")),
+                    AstStatement(StatementType.DO_ACTION, AstLiteral("say", [AstVar("Text")])),
+                ],
+            )
+        )
+
+    def _add_reply_plan(self):
+        self._asp.plans.append(
+            AstPlan(
+                TriggerType.ADDED_GOAL,
+                AstLiteral("reply"),
+                [AstLiteral("user_said", [AstVar("Message")])],
+                [
+                    AstStatement(StatementType.ADD_BELIEF, AstLiteral("responded_this_turn")),
+                    AstStatement(
+                        StatementType.DO_ACTION,
+                        AstLiteral(
+                            "findall",
+                            [AstVar("Norm"), AstLiteral("norm", [AstVar("Norm")]), AstVar("Norms")],
+                        ),
+                    ),
+                    AstStatement(
+                        StatementType.DO_ACTION,
+                        AstLiteral("reply", [AstVar("Message"), AstVar("Norms")]),
+                    ),
+                ],
+            )
+        )
+
+    def _add_notify_cycle_plan(self):
+        self._asp.plans.append(
+            AstPlan(
+                TriggerType.ADDED_GOAL,
+                AstLiteral("notify_cycle"),
+                [],
+                [
+                    AstStatement(
+                        StatementType.DO_ACTION,
+                        AstLiteral(
+                            "findall",
+                            [AstVar("Norm"), AstLiteral("norm", [AstVar("Norm")]), AstVar("Norms")],
+                        ),
+                    ),
+                    AstStatement(
+                        StatementType.DO_ACTION, AstLiteral("notify_norms", [AstVar("Norms")])
+                    ),
+                    AstStatement(StatementType.DO_ACTION, AstLiteral("wait", [AstNumber(100)])),
+                    AstStatement(StatementType.ACHIEVE_GOAL, AstLiteral("notify_cycle")),
+                ],
+            )
+        )
+
+    def _process_phases(self, phases: list[Phase]) -> None:
+        for curr_phase, next_phase in zip([None] + phases, phases + [None], strict=True):
+            if curr_phase:
+                self._process_phase(curr_phase)
+            self._add_phase_transition(curr_phase, next_phase)
+
+        # End phase behavior
+        # When deleting this, the entire `reply` plan and action can be deleted
+        self._asp.plans.append(
+            AstPlan(
+                type=TriggerType.ADDED_BELIEF,
+                trigger_literal=AstLiteral("user_said", [AstVar("Message")]),
+                context=[AstLiteral("phase", [AstString("end")])],
+                body=[
+                    AstStatement(
+                        StatementType.DO_ACTION, AstLiteral("notify_user_said", [AstVar("Message")])
+                    ),
+                    AstStatement(StatementType.ACHIEVE_GOAL, AstLiteral("reply")),
+                ],
+            )
+        )
+
+    def _process_phase(self, phase: Phase) -> None:
+        for norm in phase.norms:
+            self._process_norm(norm, phase)
+
+        self._add_default_loop(phase)
+
+        previous_goal = None
+        for goal in phase.goals:
+            self._process_goal(goal, phase, previous_goal, main_goal=True)
+            previous_goal = goal
+
+        for trigger in phase.triggers:
+            self._process_trigger(trigger, phase)
+
+    def _add_phase_transition(self, from_phase: Phase | None, to_phase: Phase | None) -> None:
+        if from_phase is None:
+            return
+        from_phase_ast = self._astify(from_phase)
+        to_phase_ast = (
+            self._astify(to_phase) if to_phase else AstLiteral("phase", [AstString("end")])
+        )
+
+        check_context = [from_phase_ast]
+        if from_phase:
+            for goal in from_phase.goals:
+                check_context.append(self._astify(goal, achieved=True))
+
+        force_context = [from_phase_ast]
+
+        body = [
+            AstStatement(
+                StatementType.DO_ACTION,
+                AstLiteral(
+                    "notify_transition_phase",
+                    [
+                        AstString(str(from_phase.id)),
+                        AstString(str(to_phase.id) if to_phase else "end"),
+                    ],
+                ),
+            ),
+            AstStatement(StatementType.REMOVE_BELIEF, from_phase_ast),
+            AstStatement(StatementType.ADD_BELIEF, to_phase_ast),
+        ]
+
+        # if from_phase:
+        #     body.extend(
+        #         [
+        #             AstStatement(
+        #                 StatementType.TEST_GOAL, AstLiteral("user_said", [AstVar("Message")])
+        #             ),
+        #             AstStatement(
+        #                 StatementType.REPLACE_BELIEF, AstLiteral("user_said", [AstVar("Message")])
+        #             ),
+        #         ]
+        #     )
+
+        # Check
+        self._asp.plans.append(
+            AstPlan(
+                TriggerType.ADDED_GOAL,
+                AstLiteral("transition_phase"),
+                check_context,
+                [
+                    AstStatement(StatementType.ACHIEVE_GOAL, AstLiteral("force_transition_phase")),
+                ],
+            )
+        )
+
+        # Force
+        self._asp.plans.append(
+            AstPlan(
+                TriggerType.ADDED_GOAL, AstLiteral("force_transition_phase"), force_context, body
+            )
+        )
+
+    def _process_norm(self, norm: Norm, phase: Phase) -> None:
+        rule: AstRule | None = None
+
+        match norm:
+            case ConditionalNorm(condition=cond):
+                rule = AstRule(
+                    self._astify(norm),
+                    self._astify(phase) & self._astify(cond)
+                    | AstAtom(f"force_{self.slugify(norm)}"),
+                )
+            case BasicNorm():
+                rule = AstRule(self._astify(norm), self._astify(phase))
+
+        if not rule:
+            return
+
+        self._asp.rules.append(rule)
+
+    def _add_default_loop(self, phase: Phase) -> None:
+        actions = []
+
+        actions.append(
+            AstStatement(
+                StatementType.DO_ACTION, AstLiteral("notify_user_said", [AstVar("Message")])
+            )
+        )
+        actions.append(AstStatement(StatementType.REMOVE_BELIEF, AstLiteral("responded_this_turn")))
+        actions.append(AstStatement(StatementType.ACHIEVE_GOAL, AstLiteral("check_triggers")))
+
+        for goal in phase.goals:
+            actions.append(AstStatement(StatementType.ACHIEVE_GOAL, self._astify(goal)))
+
+        actions.append(AstStatement(StatementType.ACHIEVE_GOAL, AstLiteral("transition_phase")))
+
+        self._asp.plans.append(
+            AstPlan(
+                TriggerType.ADDED_BELIEF,
+                AstLiteral("user_said", [AstVar("Message")]),
+                [self._astify(phase)],
+                actions,
+            )
+        )
+
+    def _process_goal(
+        self,
+        goal: Goal,
+        phase: Phase,
+        previous_goal: Goal | None = None,
+        continues_response: bool = False,
+        main_goal: bool = False,
+    ) -> None:
+        context: list[AstExpression] = [self._astify(phase)]
+        context.append(~self._astify(goal, achieved=True))
+        if previous_goal and previous_goal.can_fail:
+            context.append(self._astify(previous_goal, achieved=True))
+        if not continues_response:
+            context.append(~AstLiteral("responded_this_turn"))
+
+        body = []
+        if main_goal:  # UI only needs to know about the main goals
+            body.append(
+                AstStatement(
+                    StatementType.DO_ACTION,
+                    AstLiteral("notify_goal_start", [AstString(self.slugify(goal))]),
+                )
+            )
+
+        subgoals = []
+        for step in goal.plan.steps:
+            body.append(self._step_to_statement(step))
+            if isinstance(step, Goal):
+                subgoals.append(step)
+
+        if not goal.can_fail and not continues_response:
+            body.append(AstStatement(StatementType.ADD_BELIEF, self._astify(goal, achieved=True)))
+
+        self._asp.plans.append(AstPlan(TriggerType.ADDED_GOAL, self._astify(goal), context, body))
+
+        self._asp.plans.append(
+            AstPlan(
+                TriggerType.ADDED_GOAL,
+                self._astify(goal),
+                context=[],
+                body=[AstStatement(StatementType.EMPTY, AstLiteral("true"))],
+            )
+        )
+
+        prev_goal = None
+        for subgoal in subgoals:
+            self._process_goal(subgoal, phase, prev_goal)
+            prev_goal = subgoal
+
+    def _step_to_statement(self, step: PlanElement) -> AstStatement:
+        match step:
+            case Goal() | SpeechAction() | LLMAction() as a:
+                return AstStatement(StatementType.ACHIEVE_GOAL, self._astify(a))
+            case GestureAction() as a:
+                return AstStatement(StatementType.DO_ACTION, self._astify(a))
+
+    # TODO: separate handling of keyword and others
+    def _process_trigger(self, trigger: Trigger, phase: Phase) -> None:
+        body = []
+        subgoals = []
+
+        body.append(
+            AstStatement(
+                StatementType.DO_ACTION,
+                AstLiteral("notify_trigger_start", [AstString(self.slugify(trigger))]),
+            )
+        )
+        for step in trigger.plan.steps:
+            body.append(self._step_to_statement(step))
+            if isinstance(step, Goal):
+                step.can_fail = False  # triggers are continuous sequence
+                subgoals.append(step)
+
+        # Arbitrary wait for UI to display nicely
+        body.append(AstStatement(StatementType.DO_ACTION, AstLiteral("wait", [AstNumber(2000)])))
+
+        body.append(
+            AstStatement(
+                StatementType.DO_ACTION,
+                AstLiteral("notify_trigger_end", [AstString(self.slugify(trigger))]),
+            )
+        )
+
+        self._asp.plans.append(
+            AstPlan(
+                TriggerType.ADDED_GOAL,
+                AstLiteral("check_triggers"),
+                [self._astify(phase), self._astify(trigger.condition)],
+                body,
+            )
+        )
+
+        # Force trigger (from UI)
+        self._asp.plans.append(AstPlan(TriggerType.ADDED_GOAL, self._astify(trigger), [], body))
+
+        for subgoal in subgoals:
+            self._process_goal(subgoal, phase, continues_response=True)
+
+    def _add_fallbacks(self):
+        # Trigger fallback
+        self._asp.plans.append(
+            AstPlan(
+                TriggerType.ADDED_GOAL,
+                AstLiteral("check_triggers"),
+                [],
+                [AstStatement(StatementType.EMPTY, AstLiteral("true"))],
+            )
+        )
+
+        # Phase transition fallback
+        self._asp.plans.append(
+            AstPlan(
+                TriggerType.ADDED_GOAL,
+                AstLiteral("transition_phase"),
+                [],
+                [AstStatement(StatementType.EMPTY, AstLiteral("true"))],
+            )
+        )
+
+    @singledispatchmethod
+    def _astify(self, element: ProgramElement) -> AstExpression:
+        raise NotImplementedError(f"Cannot convert element {element} to an AgentSpeak expression.")
+
+    @_astify.register
+    def _(self, kwb: KeywordBelief) -> AstExpression:
+        return AstLiteral("keyword_said", [AstString(kwb.keyword)])
+
+    @_astify.register
+    def _(self, sb: SemanticBelief) -> AstExpression:
+        return AstLiteral(self.slugify(sb))
+
+    @_astify.register
+    def _(self, ib: InferredBelief) -> AstExpression:
+        return AstBinaryOp(
+            self._astify(ib.left),
+            BinaryOperatorType.AND if ib.operator == LogicalOperator.AND else BinaryOperatorType.OR,
+            self._astify(ib.right),
+        )
+
+    @_astify.register
+    def _(self, norm: Norm) -> AstExpression:
+        functor = "critical_norm" if norm.critical else "norm"
+        return AstLiteral(functor, [AstString(norm.norm)])
+
+    @_astify.register
+    def _(self, phase: Phase) -> AstExpression:
+        return AstLiteral("phase", [AstString(str(phase.id))])
+
+    @_astify.register
+    def _(self, goal: Goal, achieved: bool = False) -> AstExpression:
+        return AstLiteral(f"{'achieved_' if achieved else ''}{self._slugify_str(goal.name)}")
+
+    @_astify.register
+    def _(self, trigger: Trigger) -> AstExpression:
+        return AstLiteral(self.slugify(trigger))
+
+    @_astify.register
+    def _(self, sa: SpeechAction) -> AstExpression:
+        return AstLiteral("say", [AstString(sa.text)])
+
+    @_astify.register
+    def _(self, ga: GestureAction) -> AstExpression:
+        gesture = ga.gesture
+        return AstLiteral("gesture", [AstString(gesture.type), AstString(gesture.name)])
+
+    @_astify.register
+    def _(self, la: LLMAction) -> AstExpression:
+        return AstLiteral("reply_with_goal", [AstString(la.goal)])
+
+    @singledispatchmethod
+    @staticmethod
+    def slugify(element: ProgramElement) -> str:
+        raise NotImplementedError(f"Cannot convert element {element} to a slug.")
+
+    @slugify.register
+    @staticmethod
+    def _(n: Norm) -> str:
+        return f"norm_{AgentSpeakGenerator._slugify_str(n.norm)}"
+
+    @slugify.register
+    @staticmethod
+    def _(sb: SemanticBelief) -> str:
+        return f"semantic_{AgentSpeakGenerator._slugify_str(sb.name)}"
+
+    @slugify.register
+    @staticmethod
+    def _(g: BaseGoal) -> str:
+        return AgentSpeakGenerator._slugify_str(g.name)
+
+    @slugify.register
+    @staticmethod
+    def _(t: Trigger):
+        return f"trigger_{AgentSpeakGenerator._slugify_str(t.name)}"
+
+    @staticmethod
+    def _slugify_str(text: str) -> str:
+        return slugify(text, separator="_", stopwords=["a", "an", "the", "we", "you", "I"])

src/control_backend/agents/bdi/bdi_core_agent.py

@@ -1,5 +1,6 @@
 import asyncio
 import copy
+import json
 import time
 from collections.abc import Iterable
 
@@ -11,9 +12,9 @@ from pydantic import ValidationError
 from control_backend.agents.base import BaseAgent
 from control_backend.core.agent_system import InternalMessage
 from control_backend.core.config import settings
-from control_backend.schemas.belief_message import Belief, BeliefMessage
+from control_backend.schemas.belief_message import BeliefMessage
 from control_backend.schemas.llm_prompt_message import LLMPromptMessage
-from control_backend.schemas.ri_message import SpeechCommand
+from control_backend.schemas.ri_message import GestureCommand, RIEndpoint, SpeechCommand
 
 DELIMITER = ";\n"  # TODO: temporary until we support lists in AgentSpeak
 
@@ -42,13 +43,13 @@ class BDICoreAgent(BaseAgent):
 
     bdi_agent: agentspeak.runtime.Agent
 
-    def __init__(self, name: str, asl: str):
+    def __init__(self, name: str):
         super().__init__(name)
-        self.asl_file = asl
         self.env = agentspeak.runtime.Environment()
         # Deep copy because we don't actually want to modify the standard actions globally
         self.actions = copy.deepcopy(agentspeak.stdlib.actions)
         self._wake_bdi_loop = asyncio.Event()
+        self._bdi_loop_task = None
 
     async def setup(self) -> None:
         """
@@ -65,19 +66,22 @@ class BDICoreAgent(BaseAgent):
         await self._load_asl()
 
         # Start the BDI cycle loop
-        self.add_behavior(self._bdi_loop())
+        self._bdi_loop_task = self.add_behavior(self._bdi_loop())
         self._wake_bdi_loop.set()
         self.logger.debug("Setup complete.")
 
-    async def _load_asl(self):
+    async def _load_asl(self, file_name: str | None = None) -> None:
         """
         Load and parse the AgentSpeak source file.
         """
+        file_name = file_name or "src/control_backend/agents/bdi/default_behavior.asl"
+
         try:
-            with open(self.asl_file) as source:
+            with open(file_name) as source:
                 self.bdi_agent = self.env.build_agent(source, self.actions)
+                self.logger.info(f"Loaded new ASL from {file_name}.")
         except FileNotFoundError:
-            self.logger.warning(f"Could not find the specified ASL file at {self.asl_file}.")
+            self.logger.warning(f"Could not find the specified ASL file at {file_name}.")
             self.bdi_agent = agentspeak.runtime.Agent(self.env, self.name)
 
     async def _bdi_loop(self):
@@ -97,14 +101,12 @@ class BDICoreAgent(BaseAgent):
             maybe_more_work = True
             while maybe_more_work:
                 maybe_more_work = False
-                self.logger.debug("Stepping BDI.")
                 if self.bdi_agent.step():
                     maybe_more_work = True
 
                 if not maybe_more_work:
                     deadline = self.bdi_agent.shortest_deadline()
                     if deadline:
-                        self.logger.debug("Sleeping until %s", deadline)
                         await asyncio.sleep(deadline - time.time())
                         maybe_more_work = True
                     else:
@@ -116,6 +118,7 @@ class BDICoreAgent(BaseAgent):
         Handle incoming messages.
 
         - **Beliefs**: Updates the internal belief base.
+        - **Program**: Updates the internal agentspeak file to match the current program.
         - **LLM Responses**: Forwards the generated text to the Robot Speech Agent (actuation).
 
         :param msg: The received internal message.
@@ -124,12 +127,19 @@ class BDICoreAgent(BaseAgent):
 
         if msg.thread == "beliefs":
             try:
-                beliefs = BeliefMessage.model_validate_json(msg.body).beliefs
-                self._apply_beliefs(beliefs)
+                belief_changes = BeliefMessage.model_validate_json(msg.body)
+                self._apply_belief_changes(belief_changes)
             except ValidationError:
                 self.logger.exception("Error processing belief.")
             return
 
+        # New agentspeak file
+        if msg.thread == "new_program":
+            if self._bdi_loop_task:
+                self._bdi_loop_task.cancel()
+            await self._load_asl(msg.body)
+            self.add_behavior(self._bdi_loop())
+
         # The message was not a belief, handle special cases based on sender
         match msg.sender:
             case settings.agent_settings.llm_name:
@@ -144,26 +154,44 @@ class BDICoreAgent(BaseAgent):
                     body=cmd.model_dump_json(),
                 )
                 await self.send(out_msg)
+            case settings.agent_settings.user_interrupt_name:
+                self.logger.debug("Received user interruption: %s", msg)
 
-    def _apply_beliefs(self, beliefs: list[Belief]):
+                match msg.thread:
+                    case "force_phase_transition":
+                        self._set_goal("transition_phase")
+                    case "force_trigger":
+                        self._force_trigger(msg.body)
+                    case "force_norm":
+                        self._force_norm(msg.body)
+                    case "force_next_phase":
+                        self._force_next_phase()
+                    case _:
+                        self.logger.warning("Received unknow user interruption: %s", msg)
+
+    def _apply_belief_changes(self, belief_changes: BeliefMessage):
         """
         Update the belief base with a list of new beliefs.
 
-        If ``replace=True`` is set on a belief, it removes all existing beliefs with that name
-        before adding the new one.
+        For beliefs in ``belief_changes.replace``, it removes all existing beliefs with that name
+        before adding one new one.
+
+        :param belief_changes: The changes in beliefs to apply.
         """
-        if not beliefs:
+        if not belief_changes.create and not belief_changes.replace and not belief_changes.delete:
             return
 
-        for belief in beliefs:
-            if belief.replace:
-                self._remove_all_with_name(belief.name)
-            elif belief.remove:
-                self._remove_belief(belief.name, belief.arguments)
-                continue
+        for belief in belief_changes.create:
             self._add_belief(belief.name, belief.arguments)
 
-    def _add_belief(self, name: str, args: Iterable[str] = []):
+        for belief in belief_changes.replace:
+            self._remove_all_with_name(belief.name)
+            self._add_belief(belief.name, belief.arguments)
+
+        for belief in belief_changes.delete:
+            self._remove_belief(belief.name, belief.arguments)
+
+    def _add_belief(self, name: str, args: list[str] = None):
         """
         Add a single belief to the BDI agent.
 
@@ -171,9 +199,13 @@ class BDICoreAgent(BaseAgent):
         :param args: Arguments for the belief.
         """
         # new_args = (agentspeak.Literal(arg) for arg in args)  # TODO: Eventually support multiple
-        merged_args = DELIMITER.join(arg for arg in args)
-        new_args = (agentspeak.Literal(merged_args),)
-        term = agentspeak.Literal(name, new_args)
+        args = args or []
+        if args:
+            merged_args = DELIMITER.join(arg for arg in args)
+            new_args = (agentspeak.Literal(merged_args),)
+            term = agentspeak.Literal(name, new_args)
+        else:
+            term = agentspeak.Literal(name)
 
         self.bdi_agent.call(
             agentspeak.Trigger.addition,
@@ -182,16 +214,35 @@ class BDICoreAgent(BaseAgent):
             agentspeak.runtime.Intention(),
         )
 
+        # Check for transitions
+        self.bdi_agent.call(
+            agentspeak.Trigger.addition,
+            agentspeak.GoalType.achievement,
+            agentspeak.Literal("transition_phase"),
+            agentspeak.runtime.Intention(),
+        )
+
+        # Check triggers
+        self.bdi_agent.call(
+            agentspeak.Trigger.addition,
+            agentspeak.GoalType.achievement,
+            agentspeak.Literal("check_triggers"),
+            agentspeak.runtime.Intention(),
+        )
+
         self._wake_bdi_loop.set()
 
         self.logger.debug(f"Added belief {self.format_belief_string(name, args)}")
 
-    def _remove_belief(self, name: str, args: Iterable[str]):
+    def _remove_belief(self, name: str, args: Iterable[str] | None):
         """
         Removes a specific belief (with arguments), if it exists.
         """
-        new_args = (agentspeak.Literal(arg) for arg in args)
-        term = agentspeak.Literal(name, new_args)
+        if args is None:
+            term = agentspeak.Literal(name)
+        else:
+            new_args = (agentspeak.Literal(arg) for arg in args)
+            term = agentspeak.Literal(name, new_args)
 
         result = self.bdi_agent.call(
             agentspeak.Trigger.removal,
@@ -231,6 +282,43 @@ class BDICoreAgent(BaseAgent):
 
         self.logger.debug(f"Removed {removed_count} beliefs.")
 
+    def _set_goal(self, name: str, args: Iterable[str] | None = None):
+        args = args or []
+
+        if args:
+            merged_args = DELIMITER.join(arg for arg in args)
+            new_args = (agentspeak.Literal(merged_args),)
+            term = agentspeak.Literal(name, new_args)
+        else:
+            term = agentspeak.Literal(name)
+
+        self.bdi_agent.call(
+            agentspeak.Trigger.addition,
+            agentspeak.GoalType.achievement,
+            term,
+            agentspeak.runtime.Intention(),
+        )
+
+        self._wake_bdi_loop.set()
+
+        self.logger.debug(f"Set goal !{self.format_belief_string(name, args)}.")
+
+    def _force_trigger(self, name: str):
+        self._set_goal(name)
+
+        self.logger.info("Manually forced trigger %s.", name)
+
+    # TODO: make this compatible for critical norms
+    def _force_norm(self, name: str):
+        self._add_belief(f"force_{name}")
+
+        self.logger.info("Manually forced norm %s.", name)
+
+    def _force_next_phase(self):
+        self._set_goal("force_transition_phase")
+
+        self.logger.info("Manually forced phase transition.")
+
     def _add_custom_actions(self) -> None:
         """
         Add any custom actions here. Inside `@self.actions.add()`, the first argument is
@@ -238,43 +326,213 @@ class BDICoreAgent(BaseAgent):
         the function expects (which will be located in `term.args`).
         """
 
-        @self.actions.add(".reply", 3)
-        def _reply(agent: "BDICoreAgent", term, intention):
+        @self.actions.add(".reply", 2)
+        def _reply(agent, term, intention):
             """
-            Sends text to the LLM (AgentSpeak action).
-            Example: .reply("Hello LLM!", "Some norm", "Some goal")
+            Let the LLM generate a response to a user's utterance with the current norms and goals.
             """
             message_text = agentspeak.grounded(term.args[0], intention.scope)
             norms = agentspeak.grounded(term.args[1], intention.scope)
-            goals = agentspeak.grounded(term.args[2], intention.scope)
 
-            self.logger.debug("Norms: %s", norms)
-            self.logger.debug("Goals: %s", goals)
-            self.logger.debug("User text: %s", message_text)
-
-            asyncio.create_task(self._send_to_llm(str(message_text), str(norms), str(goals)))
+            self.add_behavior(self._send_to_llm(str(message_text), str(norms), ""))
             yield
 
-    async def _send_to_llm(self, text: str, norms: str = None, goals: str = None):
+        @self.actions.add(".reply_with_goal", 3)
+        def _reply_with_goal(agent: "BDICoreAgent", term, intention):
+            """
+            Let the LLM generate a response to a user's utterance with the current norms and a
+            specific goal.
+            """
+            message_text = agentspeak.grounded(term.args[0], intention.scope)
+            norms = agentspeak.grounded(term.args[1], intention.scope)
+            goal = agentspeak.grounded(term.args[2], intention.scope)
+            self.add_behavior(self._send_to_llm(str(message_text), str(norms), str(goal)))
+            yield
+
+        @self.actions.add(".notify_norms", 1)
+        def _notify_norms(agent, term, intention):
+            norms = agentspeak.grounded(term.args[0], intention.scope)
+
+            norm_update_message = InternalMessage(
+                to=settings.agent_settings.user_interrupt_name,
+                thread="active_norms_update",
+                body=str(norms),
+            )
+
+            self.add_behavior(self.send(norm_update_message, should_log=False))
+            yield
+
+        @self.actions.add(".say", 1)
+        def _say(agent, term, intention):
+            """
+            Make the robot say the given text instantly.
+            """
+            message_text = agentspeak.grounded(term.args[0], intention.scope)
+
+            self.logger.debug('"say" action called with text=%s', message_text)
+
+            speech_command = SpeechCommand(data=message_text)
+            speech_message = InternalMessage(
+                to=settings.agent_settings.robot_speech_name,
+                sender=settings.agent_settings.bdi_core_name,
+                body=speech_command.model_dump_json(),
+            )
+
+            self.add_behavior(self.send(speech_message))
+
+            chat_history_message = InternalMessage(
+                to=settings.agent_settings.llm_name,
+                thread="assistant_message",
+                body=str(message_text),
+            )
+
+            self.add_behavior(self.send(chat_history_message))
+
+            yield
+
+        @self.actions.add(".gesture", 2)
+        def _gesture(agent, term, intention):
+            """
+            Make the robot perform the given gesture instantly.
+            """
+            gesture_type = agentspeak.grounded(term.args[0], intention.scope)
+            gesture_name = agentspeak.grounded(term.args[1], intention.scope)
+
+            self.logger.debug(
+                '"gesture" action called with type=%s, name=%s',
+                gesture_type,
+                gesture_name,
+            )
+
+            if str(gesture_type) == "single":
+                endpoint = RIEndpoint.GESTURE_SINGLE
+            elif str(gesture_type) == "tag":
+                endpoint = RIEndpoint.GESTURE_TAG
+            else:
+                self.logger.warning("Gesture type %s could not be resolved.", gesture_type)
+                endpoint = RIEndpoint.GESTURE_SINGLE
+
+            gesture_command = GestureCommand(endpoint=endpoint, data=gesture_name)
+            gesture_message = InternalMessage(
+                to=settings.agent_settings.robot_gesture_name,
+                sender=settings.agent_settings.bdi_core_name,
+                body=gesture_command.model_dump_json(),
+            )
+            self.add_behavior(self.send(gesture_message))
+            yield
+
+        @self.actions.add(".notify_user_said", 1)
+        def _notify_user_said(agent, term, intention):
+            user_said = agentspeak.grounded(term.args[0], intention.scope)
+
+            msg = InternalMessage(
+                to=settings.agent_settings.llm_name, thread="user_message", body=str(user_said)
+            )
+
+            self.add_behavior(self.send(msg))
+
+            yield
+
+        @self.actions.add(".notify_trigger_start", 1)
+        def _notify_trigger_start(agent, term, intention):
+            """
+            Notify the UI about the trigger we just started doing.
+            """
+            trigger_name = agentspeak.grounded(term.args[0], intention.scope)
+
+            self.logger.debug("Started trigger %s", trigger_name)
+
+            msg = InternalMessage(
+                to=settings.agent_settings.user_interrupt_name,
+                sender=self.name,
+                thread="trigger_start",
+                body=str(trigger_name),
+            )
+
+            # TODO: check with Pim
+            self.add_behavior(self.send(msg))
+
+            yield
+
+        @self.actions.add(".notify_trigger_end", 1)
+        def _notify_trigger_end(agent, term, intention):
+            """
+            Notify the UI about the trigger we just started doing.
+            """
+            trigger_name = agentspeak.grounded(term.args[0], intention.scope)
+
+            self.logger.debug("Finished trigger %s", trigger_name)
+
+            msg = InternalMessage(
+                to=settings.agent_settings.user_interrupt_name,
+                sender=self.name,
+                thread="trigger_end",
+                body=str(trigger_name),
+            )
+
+            self.add_behavior(self.send(msg))
+
+            yield
+
+        @self.actions.add(".notify_goal_start", 1)
+        def _notify_goal_start(agent, term, intention):
+            """
+            Notify the UI about the goal we just started chasing.
+            """
+            goal_name = agentspeak.grounded(term.args[0], intention.scope)
+
+            self.logger.debug("Started chasing goal %s", goal_name)
+
+            msg = InternalMessage(
+                to=settings.agent_settings.user_interrupt_name,
+                sender=self.name,
+                thread="goal_start",
+                body=str(goal_name),
+            )
+
+            self.add_behavior(self.send(msg))
+
+            yield
+
+        @self.actions.add(".notify_transition_phase", 2)
+        def _notify_transition_phase(agent, term, intention):
+            """
+            Notify the BDI program manager about a phase transition.
+            """
+            old = agentspeak.grounded(term.args[0], intention.scope)
+            new = agentspeak.grounded(term.args[1], intention.scope)
+
+            msg = InternalMessage(
+                to=settings.agent_settings.bdi_program_manager_name,
+                thread="transition_phase",
+                body=json.dumps({"old": str(old), "new": str(new)}),
+            )
+
+            self.add_behavior(self.send(msg))
+
+            yield
+
+        @self.actions.add(".notify_ui", 0)
+        def _notify_ui(agent, term, intention):
+            pass
+
+    async def _send_to_llm(self, text: str, norms: str, goals: str):
         """
         Sends a text query to the LLM agent asynchronously.
         """
-        prompt = LLMPromptMessage(
-            text=text,
-            norms=norms.split("\n") if norms else [],
-            goals=goals.split("\n") if norms else [],
-        )
+        prompt = LLMPromptMessage(text=text, norms=norms.split("\n"), goals=goals.split("\n"))
         msg = InternalMessage(
             to=settings.agent_settings.llm_name,
             sender=self.name,
             body=prompt.model_dump_json(),
+            thread="prompt_message",
         )
         await self.send(msg)
         self.logger.info("Message sent to LLM agent: %s", text)
 
     @staticmethod
-    def format_belief_string(name: str, args: Iterable[str] = []):
+    def format_belief_string(name: str, args: Iterable[str] | None = []):
         """
         Given a belief's name and its args, return a string of the form "name(*args)"
         """
-        return f"{name}{'(' if args else ''}{','.join(args)}{')' if args else ''}"
+        return f"{name}{'(' if args else ''}{','.join(args or [])}{')' if args else ''}"

src/control_backend/agents/bdi/bdi_program_manager.py

@@ -1,12 +1,23 @@
+import asyncio
+import json
+
 import zmq
 from pydantic import ValidationError
 from zmq.asyncio import Context
 
 from control_backend.agents import BaseAgent
-from control_backend.core.agent_system import InternalMessage
+from control_backend.agents.bdi.agentspeak_generator import AgentSpeakGenerator
 from control_backend.core.config import settings
-from control_backend.schemas.belief_message import Belief, BeliefMessage
-from control_backend.schemas.program import Program
+from control_backend.schemas.belief_list import BeliefList, GoalList
+from control_backend.schemas.internal_message import InternalMessage
+from control_backend.schemas.program import (
+    Belief,
+    ConditionalNorm,
+    Goal,
+    InferredBelief,
+    Phase,
+    Program,
+)
 
 
 class BDIProgramManager(BaseAgent):
@@ -21,44 +32,193 @@ class BDIProgramManager(BaseAgent):
     :ivar sub_socket: The ZMQ SUB socket used to receive program updates.
     """
 
+    _program: Program
+    _phase: Phase | None
+
     def __init__(self, **kwargs):
         super().__init__(**kwargs)
         self.sub_socket = None
 
-    async def _send_to_bdi(self, program: Program):
+    def _initialize_internal_state(self, program: Program):
+        self._program = program
+        self._phase = program.phases[0]  # start in first phase
+        self._goal_mapping: dict[str, Goal] = {}
+        for phase in program.phases:
+            for goal in phase.goals:
+                self._populate_goal_mapping_with_goal(goal)
+
+    def _populate_goal_mapping_with_goal(self, goal: Goal):
+        self._goal_mapping[str(goal.id)] = goal
+        for step in goal.plan.steps:
+            if isinstance(step, Goal):
+                self._populate_goal_mapping_with_goal(step)
+
+    async def _create_agentspeak_and_send_to_bdi(self, program: Program):
         """
-        Convert a received program into BDI beliefs and send them to the BDI Core Agent.
-
-        Currently, it takes the **first phase** of the program and extracts:
-        -   **Norms**: Constraints or rules the agent must follow.
-        -   **Goals**: Objectives the agent must achieve.
-
-        These are sent as a ``BeliefMessage`` with ``replace=True``, meaning they will
-        overwrite any existing norms/goals of the same name in the BDI agent.
+        Convert a received program into an AgentSpeak file and send it to the BDI Core Agent.
 
         :param program: The program object received from the API.
         """
-        first_phase = program.phases[0]
-        norms_belief = Belief(
-            name="norms",
-            arguments=[norm.norm for norm in first_phase.norms],
-            replace=True,
+        asg = AgentSpeakGenerator()
+
+        asl_str = asg.generate(program)
+
+        file_name = "src/control_backend/agents/bdi/agentspeak.asl"
+
+        with open(file_name, "w") as f:
+            f.write(asl_str)
+
+        msg = InternalMessage(
+            sender=self.name,
+            to=settings.agent_settings.bdi_core_name,
+            body=file_name,
+            thread="new_program",
         )
-        goals_belief = Belief(
-            name="goals",
-            arguments=[goal.description for goal in first_phase.goals],
-            replace=True,
+
+        await self.send(msg)
+
+    async def handle_message(self, msg: InternalMessage):
+        match msg.thread:
+            case "transition_phase":
+                phases = json.loads(msg.body)
+
+                await self._transition_phase(phases["old"], phases["new"])
+            case "achieve_goal":
+                goal_id = msg.body
+                await self._send_achieved_goal_to_semantic_belief_extractor(goal_id)
+
+    async def _transition_phase(self, old: str, new: str):
+        if old != str(self._phase.id):
+            self.logger.warning(
+                f"Phase transition desync detected! ASL requested move from '{old}', "
+                f"but Python is currently in '{self._phase.id}'. Request ignored."
+            )
+            return
+
+        if new == "end":
+            self._phase = None
+            # Notify user interaction agent
+            msg = InternalMessage(
+                to=settings.agent_settings.user_interrupt_name,
+                thread="transition_phase",
+                body="end",
+            )
+            self.logger.info("Transitioned to end phase, notifying UserInterruptAgent.")
+
+            self.add_behavior(self.send(msg))
+            return
+
+        for phase in self._program.phases:
+            if str(phase.id) == new:
+                self._phase = phase
+
+        await self._send_beliefs_to_semantic_belief_extractor()
+        await self._send_goals_to_semantic_belief_extractor()
+
+        # Notify user interaction agent
+        msg = InternalMessage(
+            to=settings.agent_settings.user_interrupt_name,
+            thread="transition_phase",
+            body=str(self._phase.id),
         )
-        program_beliefs = BeliefMessage(beliefs=[norms_belief, goals_belief])
+        self.logger.info(f"Transitioned to phase {new}, notifying UserInterruptAgent.")
+
+        self.add_behavior(self.send(msg))
+
+    def _extract_current_beliefs(self) -> list[Belief]:
+        beliefs: list[Belief] = []
+
+        for norm in self._phase.norms:
+            if isinstance(norm, ConditionalNorm):
+                beliefs += self._extract_beliefs_from_belief(norm.condition)
+
+        for trigger in self._phase.triggers:
+            beliefs += self._extract_beliefs_from_belief(trigger.condition)
+
+        return beliefs
+
+    @staticmethod
+    def _extract_beliefs_from_belief(belief: Belief) -> list[Belief]:
+        if isinstance(belief, InferredBelief):
+            return BDIProgramManager._extract_beliefs_from_belief(
+                belief.left
+            ) + BDIProgramManager._extract_beliefs_from_belief(belief.right)
+        return [belief]
+
+    async def _send_beliefs_to_semantic_belief_extractor(self):
+        """
+        Extract beliefs from the program and send them to the Semantic Belief Extractor Agent.
+        """
+        beliefs = BeliefList(beliefs=self._extract_current_beliefs())
 
         message = InternalMessage(
-            to=settings.agent_settings.bdi_core_name,
+            to=settings.agent_settings.text_belief_extractor_name,
             sender=self.name,
-            body=program_beliefs.model_dump_json(),
+            body=beliefs.model_dump_json(),
             thread="beliefs",
         )
+
+        await self.send(message)
+
+    @staticmethod
+    def _extract_goals_from_goal(goal: Goal) -> list[Goal]:
+        """
+        Extract all goals from a given goal, that is: the goal itself and any subgoals.
+
+        :return: All goals within and including the given goal.
+        """
+        goals: list[Goal] = [goal]
+        for plan in goal.plan:
+            if isinstance(plan, Goal):
+                goals.extend(BDIProgramManager._extract_goals_from_goal(plan))
+        return goals
+
+    def _extract_current_goals(self) -> list[Goal]:
+        """
+        Extract all goals from the program, including subgoals.
+
+        :return: A list of Goal objects.
+        """
+        goals: list[Goal] = []
+
+        for goal in self._phase.goals:
+            goals.extend(self._extract_goals_from_goal(goal))
+
+        return goals
+
+    async def _send_goals_to_semantic_belief_extractor(self):
+        """
+        Extract goals for the current phase and send them to the Semantic Belief Extractor Agent.
+        """
+        goals = GoalList(goals=self._extract_current_goals())
+
+        message = InternalMessage(
+            to=settings.agent_settings.text_belief_extractor_name,
+            sender=self.name,
+            body=goals.model_dump_json(),
+            thread="goals",
+        )
+
+        await self.send(message)
+
+    async def _send_achieved_goal_to_semantic_belief_extractor(self, achieved_goal_id: str):
+        """
+        Inform the semantic belief extractor when a goal is marked achieved.
+
+        :param achieved_goal_id: The id of the achieved goal.
+        """
+        goal = self._goal_mapping.get(achieved_goal_id)
+        if goal is None:
+            self.logger.debug(f"Goal with ID {achieved_goal_id} marked achieved but was not found.")
+            return
+
+        goals = self._extract_goals_from_goal(goal)
+        message = InternalMessage(
+            to=settings.agent_settings.text_belief_extractor_name,
+            body=GoalList(goals=goals).model_dump_json(),
+            thread="achieved_goals",
+        )
         await self.send(message)
-        self.logger.debug("Sent new norms and goals to the BDI agent.")
 
     async def _send_clear_llm_history(self):
         """
@@ -68,13 +228,19 @@ class BDIProgramManager(BaseAgent):
         """
         message = InternalMessage(
             to=settings.agent_settings.llm_name,
-            sender=self.name,
             body="clear_history",
-            threads="clear history message",
         )
         await self.send(message)
         self.logger.debug("Sent message to LLM agent to clear history.")
 
+        extractor_msg = InternalMessage(
+            to=settings.agent_settings.text_belief_extractor_name,
+            thread="conversation_history",
+            body="reset",
+        )
+        await self.send(extractor_msg)
+        self.logger.debug("Sent message to extractor agent to clear history.")
+
     async def _receive_programs(self):
         """
         Continuous loop that receives program updates from the HTTP endpoint.
@@ -88,20 +254,44 @@ class BDIProgramManager(BaseAgent):
 
             try:
                 program = Program.model_validate_json(body)
-                await self._send_to_bdi(program)
-                await self._send_clear_llm_history()
-
             except ValidationError:
-                self.logger.exception("Received an invalid program.")
+                self.logger.warning("Received an invalid program.")
                 continue
 
+            self._initialize_internal_state(program)
+            await self._send_program_to_user_interrupt(program)
+            await self._send_clear_llm_history()
+
+            await asyncio.gather(
+                self._create_agentspeak_and_send_to_bdi(program),
+                self._send_beliefs_to_semantic_belief_extractor(),
+                self._send_goals_to_semantic_belief_extractor(),
+            )
+
+    async def _send_program_to_user_interrupt(self, program: Program):
+        """
+        Send the received program to the User Interrupt Agent.
+
+        :param program: The program object received from the API.
+        """
+        msg = InternalMessage(
+            sender=self.name,
+            to=settings.agent_settings.user_interrupt_name,
+            body=program.model_dump_json(),
+            thread="new_program",
+        )
+
+        await self.send(msg)
+
     async def setup(self):
         """
         Initialize the agent.
 
         Connects the internal ZMQ SUB socket and subscribes to the 'program' topic.
-        Starts the background behavior to receive programs.
+        Starts the background behavior to receive programs. Initializes a default program.
         """
+        await self._create_agentspeak_and_send_to_bdi(Program(phases=[]))
+
         context = Context.instance()
 
         self.sub_socket = context.socket(zmq.SUB)

src/control_backend/agents/bdi/belief_collector_agent.py

@@ -144,7 +144,7 @@ class BDIBeliefCollectorAgent(BaseAgent):
         msg = InternalMessage(
             to=settings.agent_settings.bdi_core_name,
             sender=self.name,
-            body=BeliefMessage(beliefs=beliefs).model_dump_json(),
+            body=BeliefMessage(create=beliefs).model_dump_json(),
             thread="beliefs",
         )
 

src/control_backend/agents/bdi/default_behavior.asl

@@ -0,0 +1,34 @@
+phase("end").
+keyword_said(Keyword) :- (user_said(Message) & .substring(Keyword, Message, Pos)) & (Pos >= 0).
+
+
++!reply_with_goal(Goal)
+  :   user_said(Message)
+  <-  +responded_this_turn;
+      .findall(Norm, norm(Norm), Norms);
+      .reply_with_goal(Message, Norms, Goal).
+
++!say(Text)
+  <-  +responded_this_turn;
+      .say(Text).
+
++!reply
+  :   user_said(Message)
+  <-  +responded_this_turn;
+      .findall(Norm, norm(Norm), Norms);
+      .reply(Message, Norms).
+
++!notify_cycle
+  <-  .notify_ui;
+      .wait(1).
+
++user_said(Message)
+  :   phase("end")
+  <-  .notify_user_said(Message);
+      !reply.
+
++!check_triggers
+  <-  true.
+
++!transition_phase
+  <-  true.

src/control_backend/agents/bdi/rules.asl

@@ -1,6 +0,0 @@
-norms("").
-goals("").
-
-+user_said(Message) : norms(Norms) & goals(Goals) <-
-  -user_said(Message);
-  .reply(Message, Norms, Goals).

src/control_backend/agents/bdi/text_belief_extractor_agent.py

@@ -1,8 +1,46 @@
+import asyncio
 import json
 
+import httpx
+from pydantic import BaseModel, ValidationError
+
 from control_backend.agents.base import BaseAgent
+from control_backend.agents.bdi.agentspeak_generator import AgentSpeakGenerator
 from control_backend.core.agent_system import InternalMessage
 from control_backend.core.config import settings
+from control_backend.schemas.belief_list import BeliefList, GoalList
+from control_backend.schemas.belief_message import Belief as InternalBelief
+from control_backend.schemas.belief_message import BeliefMessage
+from control_backend.schemas.chat_history import ChatHistory, ChatMessage
+from control_backend.schemas.program import BaseGoal, SemanticBelief
+
+type JSONLike = None | bool | int | float | str | list["JSONLike"] | dict[str, "JSONLike"]
+
+
+class BeliefState(BaseModel):
+    true: set[InternalBelief] = set()
+    false: set[InternalBelief] = set()
+
+    def difference(self, other: "BeliefState") -> "BeliefState":
+        return BeliefState(
+            true=self.true - other.true,
+            false=self.false - other.false,
+        )
+
+    def union(self, other: "BeliefState") -> "BeliefState":
+        return BeliefState(
+            true=self.true | other.true,
+            false=self.false | other.false,
+        )
+
+    def __sub__(self, other):
+        return self.difference(other)
+
+    def __or__(self, other):
+        return self.union(other)
+
+    def __bool__(self):
+        return bool(self.true) or bool(self.false)
 
 
 class TextBeliefExtractorAgent(BaseAgent):
@@ -12,54 +50,454 @@ class TextBeliefExtractorAgent(BaseAgent):
     This agent is responsible for processing raw text (e.g., from speech transcription) and
     extracting semantic beliefs from it.
 
-    In the current demonstration version, it performs a simple wrapping of the user's input
-    into a ``user_said`` belief. In a full implementation, this agent would likely interact
-    with an LLM or NLU engine to extract intent, entities, and other structured information.
+    It uses the available beliefs received from the program manager to try to extract beliefs from a
+    user's message, sends and updated beliefs to the BDI core, and forms a ``user_said`` belief from
+    the message itself.
     """
 
+    def __init__(self, name: str):
+        super().__init__(name)
+        self._llm = self.LLM(self, settings.llm_settings.n_parallel)
+        self.belief_inferrer = SemanticBeliefInferrer(self._llm)
+        self.goal_inferrer = GoalAchievementInferrer(self._llm)
+        self._current_beliefs = BeliefState()
+        self._current_goal_completions: dict[str, bool] = {}
+        self._force_completed_goals: set[BaseGoal] = set()
+        self.conversation = ChatHistory(messages=[])
+
     async def setup(self):
         """
         Initialize the agent and its resources.
         """
-        self.logger.info("Settting up %s.", self.name)
-        # Setup LLM belief context if needed (currently demo is just passthrough)
-        self.beliefs = {"mood": ["X"], "car": ["Y"]}
+        self.logger.info("Setting up %s.", self.name)
 
     async def handle_message(self, msg: InternalMessage):
         """
-        Handle incoming messages, primarily from the Transcription Agent.
+        Handle incoming messages. Expect messages from the Transcriber agent, LLM agent, and the
+        Program manager agent.
 
-        :param msg: The received message containing transcribed text.
+        :param msg: The received message.
         """
         sender = msg.sender
-        if sender == settings.agent_settings.transcription_name:
-            self.logger.debug("Received text from transcriber: %s", msg.body)
-            await self._process_transcription_demo(msg.body)
-        else:
-            self.logger.info("Discarding message from %s", sender)
 
-    async def _process_transcription_demo(self, txt: str):
+        match sender:
+            case settings.agent_settings.transcription_name:
+                self.logger.debug("Received text from transcriber: %s", msg.body)
+                self._apply_conversation_message(ChatMessage(role="user", content=msg.body))
+                await self._user_said(msg.body)
+                await self._infer_new_beliefs()
+                await self._infer_goal_completions()
+            case settings.agent_settings.llm_name:
+                self.logger.debug("Received text from LLM: %s", msg.body)
+                self._apply_conversation_message(ChatMessage(role="assistant", content=msg.body))
+            case settings.agent_settings.bdi_program_manager_name:
+                await self._handle_program_manager_message(msg)
+            case _:
+                self.logger.info("Discarding message from %s", sender)
+                return
+
+    def _apply_conversation_message(self, message: ChatMessage):
         """
-        Process the transcribed text and generate beliefs.
+        Save the chat message to our conversation history, taking into account the conversation
+        length limit.
 
-        **Demo Implementation:**
-        Currently, this method takes the raw text ``txt`` and wraps it into a belief structure:
-        ``user_said("txt")``.
-
-        This belief is then sent to the :class:`BDIBeliefCollectorAgent`.
-
-        :param txt: The raw transcribed text string.
+        :param message: The chat message to add to the conversation history.
         """
-        # For demo, just wrapping user text as user_said belief
-        belief = {"beliefs": {"user_said": [txt]}, "type": "belief_extraction_text"}
-        payload = json.dumps(belief)
+        length_limit = settings.behaviour_settings.conversation_history_length_limit
+        self.conversation.messages = (self.conversation.messages + [message])[-length_limit:]
 
-        belief_msg = InternalMessage(
-            to=settings.agent_settings.bdi_belief_collector_name,
-            sender=self.name,
-            body=payload,
-            thread="beliefs",
+    async def _handle_program_manager_message(self, msg: InternalMessage):
+        """
+        Handle a message from the program manager: extract available beliefs and goals from it.
+
+        :param msg: The received message from the program manager.
+        """
+        match msg.thread:
+            case "beliefs":
+                self._handle_beliefs_message(msg)
+                await self._infer_new_beliefs()
+            case "goals":
+                self._handle_goals_message(msg)
+                await self._infer_goal_completions()
+            case "achieved_goals":
+                self._handle_goal_achieved_message(msg)
+            case "conversation_history":
+                if msg.body == "reset":
+                    self._reset_phase()
+            case _:
+                self.logger.warning("Received unexpected message from %s", msg.sender)
+
+    def _reset_phase(self):
+        self.conversation = ChatHistory(messages=[])
+        self.belief_inferrer.available_beliefs.clear()
+        self._current_beliefs = BeliefState()
+        self.goal_inferrer.goals.clear()
+        self._current_goal_completions = {}
+
+    def _handle_beliefs_message(self, msg: InternalMessage):
+        try:
+            belief_list = BeliefList.model_validate_json(msg.body)
+        except ValidationError:
+            self.logger.warning(
+                "Received message from program manager but it is not a valid list of beliefs."
+            )
+            return
+
+        available_beliefs = [b for b in belief_list.beliefs if isinstance(b, SemanticBelief)]
+        self.belief_inferrer.available_beliefs = available_beliefs
+        self.logger.debug(
+            "Received %d semantic beliefs from the program manager: %s",
+            len(available_beliefs),
+            ", ".join(b.name for b in available_beliefs),
         )
 
+    def _handle_goals_message(self, msg: InternalMessage):
+        try:
+            goals_list = GoalList.model_validate_json(msg.body)
+        except ValidationError:
+            self.logger.warning(
+                "Received message from program manager but it is not a valid list of goals."
+            )
+            return
+
+        # Use only goals that can fail, as the others are always assumed to be completed
+        available_goals = {g for g in goals_list.goals if g.can_fail}
+        available_goals -= self._force_completed_goals
+        self.goal_inferrer.goals = available_goals
+        self.logger.debug(
+            "Received %d failable goals from the program manager: %s",
+            len(available_goals),
+            ", ".join(g.name for g in available_goals),
+        )
+
+    def _handle_goal_achieved_message(self, msg: InternalMessage):
+        # NOTE: When goals can be marked unachieved, remember to re-add them to the goal_inferrer
+        try:
+            goals_list = GoalList.model_validate_json(msg.body)
+        except ValidationError:
+            self.logger.warning(
+                "Received goal achieved message from the program manager, "
+                "but it is not a valid list of goals."
+            )
+            return
+
+        for goal in goals_list.goals:
+            self._force_completed_goals.add(goal)
+            self._current_goal_completions[f"achieved_{AgentSpeakGenerator.slugify(goal)}"] = True
+
+        self.goal_inferrer.goals -= self._force_completed_goals
+
+    async def _user_said(self, text: str):
+        """
+        Create a belief for the user's full speech.
+
+        :param text: User's transcribed text.
+        """
+        belief_msg = InternalMessage(
+            to=settings.agent_settings.bdi_core_name,
+            sender=self.name,
+            body=BeliefMessage(
+                replace=[InternalBelief(name="user_said", arguments=[text])],
+            ).model_dump_json(),
+            thread="beliefs",
+        )
         await self.send(belief_msg)
-        self.logger.info("Sent %d beliefs to the belief collector.", len(belief["beliefs"]))
+
+    async def _infer_new_beliefs(self):
+        conversation_beliefs = await self.belief_inferrer.infer_from_conversation(self.conversation)
+
+        new_beliefs = conversation_beliefs - self._current_beliefs
+        if not new_beliefs:
+            self.logger.debug("No new beliefs detected.")
+            return
+
+        self._current_beliefs |= new_beliefs
+
+        belief_changes = BeliefMessage(
+            create=list(new_beliefs.true),
+            delete=list(new_beliefs.false),
+        )
+
+        message = InternalMessage(
+            to=settings.agent_settings.bdi_core_name,
+            sender=self.name,
+            body=belief_changes.model_dump_json(),
+            thread="beliefs",
+        )
+        await self.send(message)
+
+    async def _infer_goal_completions(self):
+        goal_completions = await self.goal_inferrer.infer_from_conversation(self.conversation)
+
+        new_achieved = [
+            InternalBelief(name=goal, arguments=None)
+            for goal, achieved in goal_completions.items()
+            if achieved and self._current_goal_completions.get(goal) != achieved
+        ]
+        new_not_achieved = [
+            InternalBelief(name=goal, arguments=None)
+            for goal, achieved in goal_completions.items()
+            if not achieved and self._current_goal_completions.get(goal) != achieved
+        ]
+        for goal, achieved in goal_completions.items():
+            self._current_goal_completions[goal] = achieved
+
+        if not new_achieved and not new_not_achieved:
+            self.logger.debug("No goal achievement changes detected.")
+            return
+
+        belief_changes = BeliefMessage(
+            create=new_achieved,
+            delete=new_not_achieved,
+        )
+        message = InternalMessage(
+            to=settings.agent_settings.bdi_core_name,
+            sender=self.name,
+            body=belief_changes.model_dump_json(),
+            thread="beliefs",
+        )
+        await self.send(message)
+
+    class LLM:
+        """
+        Class that handles sending structured generation requests to an LLM.
+        """
+
+        def __init__(self, agent: "TextBeliefExtractorAgent", n_parallel: int):
+            self._agent = agent
+            self._semaphore = asyncio.Semaphore(n_parallel)
+
+        async def query(self, prompt: str, schema: dict, tries: int = 3) -> JSONLike | None:
+            """
+            Query the LLM with the given prompt and schema, return an instance of a dict conforming
+            to this schema. Try ``tries`` times, or return None.
+
+            :param prompt: Prompt to be queried.
+            :param schema: Schema to be queried.
+            :param tries: Number of times to try to query the LLM.
+            :return: An instance of a dict conforming to this schema, or None if failed.
+            """
+            try_count = 0
+            while try_count < tries:
+                try_count += 1
+
+                try:
+                    return await self._query_llm(prompt, schema)
+                except (httpx.HTTPError, json.JSONDecodeError, KeyError) as e:
+                    if try_count < tries:
+                        continue
+                    self._agent.logger.exception(
+                        "Failed to get LLM response after %d tries.",
+                        try_count,
+                        exc_info=e,
+                    )
+
+            return None
+
+        async def _query_llm(self, prompt: str, schema: dict) -> JSONLike:
+            """
+            Query an LLM with the given prompt and schema, return an instance of a dict conforming
+            to that schema.
+
+            :param prompt: The prompt to be queried.
+            :param schema: Schema to use during response.
+            :return: A dict conforming to this schema.
+            :raises httpx.HTTPStatusError: If the LLM server responded with an error.
+            :raises json.JSONDecodeError: If the LLM response was not valid JSON. May happen if the
+                response was cut off early due to length limitations.
+            :raises KeyError: If the LLM server responded with no error, but the response was
+                invalid.
+            """
+            async with self._semaphore:
+                async with httpx.AsyncClient() as client:
+                    response = await client.post(
+                        settings.llm_settings.local_llm_url,
+                        json={
+                            "model": settings.llm_settings.local_llm_model,
+                            "messages": [{"role": "user", "content": prompt}],
+                            "response_format": {
+                                "type": "json_schema",
+                                "json_schema": {
+                                    "name": "Beliefs",
+                                    "strict": True,
+                                    "schema": schema,
+                                },
+                            },
+                            "reasoning_effort": "low",
+                            "temperature": settings.llm_settings.code_temperature,
+                            "stream": False,
+                        },
+                        timeout=30.0,
+                    )
+                    response.raise_for_status()
+
+                    response_json = response.json()
+                    json_message = response_json["choices"][0]["message"]["content"]
+                    return json.loads(json_message)
+
+
+class SemanticBeliefInferrer:
+    """
+    Class that handles only prompting an LLM for semantic beliefs.
+    """
+
+    def __init__(
+        self,
+        llm: "TextBeliefExtractorAgent.LLM",
+        available_beliefs: list[SemanticBelief] | None = None,
+    ):
+        self._llm = llm
+        self.available_beliefs: list[SemanticBelief] = available_beliefs or []
+
+    async def infer_from_conversation(self, conversation: ChatHistory) -> BeliefState:
+        """
+        Process conversation history to extract beliefs, semantically. The result is an object that
+        describes all beliefs that hold or don't hold based on the full conversation.
+
+        :param conversation: The conversation history to be processed.
+        :return: An object that describes beliefs.
+        """
+        # Return instantly if there are no beliefs to infer
+        if not self.available_beliefs:
+            return BeliefState()
+
+        n_parallel = max(1, min(settings.llm_settings.n_parallel - 1, len(self.available_beliefs)))
+        all_beliefs: list[dict[str, bool | None] | None] = await asyncio.gather(
+            *[
+                self._infer_beliefs(conversation, beliefs)
+                for beliefs in self._split_into_chunks(self.available_beliefs, n_parallel)
+            ]
+        )
+        retval = BeliefState()
+        for beliefs in all_beliefs:
+            if beliefs is None:
+                continue
+            for belief_name, belief_holds in beliefs.items():
+                if belief_holds is None:
+                    continue
+                belief = InternalBelief(name=belief_name, arguments=None)
+                if belief_holds:
+                    retval.true.add(belief)
+                else:
+                    retval.false.add(belief)
+        return retval
+
+    @staticmethod
+    def _split_into_chunks[T](items: list[T], n: int) -> list[list[T]]:
+        """
+        Split a list into ``n`` chunks, making each chunk approximately ``len(items) / n`` long.
+
+        :param items: The list of items to split.
+        :param n: The number of desired chunks.
+        :return: A list of chunks each approximately ``len(items) / n`` long.
+        """
+        k, m = divmod(len(items), n)
+        return [items[i * k + min(i, m) : (i + 1) * k + min(i + 1, m)] for i in range(n)]
+
+    async def _infer_beliefs(
+        self,
+        conversation: ChatHistory,
+        beliefs: list[SemanticBelief],
+    ) -> dict[str, bool | None] | None:
+        """
+        Infer given beliefs based on the given conversation.
+        :param conversation: The conversation to infer beliefs from.
+        :param beliefs: The beliefs to infer.
+        :return: A dict containing belief names and a boolean whether they hold, or None if the
+            belief cannot be inferred based on the given conversation.
+        """
+        example = {
+            "example_belief": True,
+        }
+
+        prompt = f"""{self._format_conversation(conversation)}
+
+Given the above conversation, what beliefs can be inferred?
+If there is no relevant information about a belief belief, give null.
+In case messages conflict, prefer using the most recent messages for inference.
+
+Choose from the following list of beliefs, formatted as `- <belief_name>: <description>`:
+{self._format_beliefs(beliefs)}
+
+Respond with a JSON similar to the following, but with the property names as given above:
+{json.dumps(example, indent=2)}
+"""
+
+        schema = self._create_beliefs_schema(beliefs)
+
+        return await self._llm.query(prompt, schema)
+
+    @staticmethod
+    def _create_belief_schema(belief: SemanticBelief) -> tuple[str, dict]:
+        return AgentSpeakGenerator.slugify(belief), {
+            "type": ["boolean", "null"],
+            "description": belief.description,
+        }
+
+    @staticmethod
+    def _create_beliefs_schema(beliefs: list[SemanticBelief]) -> dict:
+        belief_schemas = [
+            SemanticBeliefInferrer._create_belief_schema(belief) for belief in beliefs
+        ]
+
+        return {
+            "type": "object",
+            "properties": dict(belief_schemas),
+            "required": [name for name, _ in belief_schemas],
+        }
+
+    @staticmethod
+    def _format_message(message: ChatMessage):
+        return f"{message.role.upper()}:\n{message.content}"
+
+    @staticmethod
+    def _format_conversation(conversation: ChatHistory):
+        return "\n\n".join(
+            [SemanticBeliefInferrer._format_message(message) for message in conversation.messages]
+        )
+
+    @staticmethod
+    def _format_beliefs(beliefs: list[SemanticBelief]):
+        return "\n".join(
+            [f"- {AgentSpeakGenerator.slugify(belief)}: {belief.description}" for belief in beliefs]
+        )
+
+
+class GoalAchievementInferrer(SemanticBeliefInferrer):
+    def __init__(self, llm: TextBeliefExtractorAgent.LLM):
+        super().__init__(llm)
+        self.goals: set[BaseGoal] = set()
+
+    async def infer_from_conversation(self, conversation: ChatHistory) -> dict[str, bool]:
+        """
+        Determine which goals have been achieved based on the given conversation.
+
+        :param conversation: The conversation to infer goal completion from.
+        :return: A mapping of goals and a boolean whether they have been achieved.
+        """
+        if not self.goals:
+            return {}
+
+        goals_achieved = await asyncio.gather(
+            *[self._infer_goal(conversation, g) for g in self.goals]
+        )
+        return {
+            f"achieved_{AgentSpeakGenerator.slugify(goal)}": achieved
+            for goal, achieved in zip(self.goals, goals_achieved, strict=True)
+        }
+
+    async def _infer_goal(self, conversation: ChatHistory, goal: BaseGoal) -> bool:
+        prompt = f"""{self._format_conversation(conversation)}
+
+Given the above conversation, what has the following goal been achieved?
+
+The name of the goal: {goal.name}
+Description of the goal: {goal.description}
+
+Answer with literally only `true` or `false` (without backticks)."""
+
+        schema = {
+            "type": "boolean",
+        }
+
+        return await self._llm.query(prompt, schema)

src/control_backend/agents/communication/ri_communication_agent.py

@@ -3,6 +3,7 @@ import json
 
 import zmq
 import zmq.asyncio as azmq
+from pydantic import ValidationError
 from zmq.asyncio import Context
 
 from control_backend.agents import BaseAgent
@@ -11,6 +12,8 @@ from control_backend.agents.perception.visual_emotion_recognition_agent.visual_e
     VisualEmotionRecognitionAgent,
 )
 from control_backend.core.config import settings
+from control_backend.schemas.internal_message import InternalMessage
+from control_backend.schemas.ri_message import PauseCommand
 
 from ..actuation.robot_speech_agent import RobotSpeechAgent
 from ..perception import VADAgent
@@ -50,6 +53,8 @@ class RICommunicationAgent(BaseAgent):
         self._req_socket: azmq.Socket | None = None
         self.pub_socket: azmq.Socket | None = None
         self.connected = False
+        self.gesture_agent: RobotGestureAgent | None = None
+        self.speech_agent: RobotSpeechAgent | None = None
 
     async def setup(self):
         """
@@ -143,6 +148,7 @@ class RICommunicationAgent(BaseAgent):
 
             # At this point, we have a valid response
             try:
+                self.logger.debug("Negotiation successful. Handling rn")
                 await self._handle_negotiation_response(received_message)
                 # Let UI know that we're connected
                 topic = b"ping"
@@ -191,6 +197,7 @@ class RICommunicationAgent(BaseAgent):
                         address=addr,
                         bind=bind,
                     )
+                    self.speech_agent = robot_speech_agent
                     robot_gesture_agent = RobotGestureAgent(
                         settings.agent_settings.robot_gesture_name,
                         address=addr,
@@ -198,6 +205,7 @@ class RICommunicationAgent(BaseAgent):
                         gesture_data=gesture_data,
                         single_gesture_data=single_gesture_data,
                     )
+                    self.gesture_agent = robot_gesture_agent
                     await robot_speech_agent.start()
                     await asyncio.sleep(0.1)  # Small delay
                     await robot_gesture_agent.start()
@@ -235,6 +243,7 @@ class RICommunicationAgent(BaseAgent):
         while self._running:
             if not self.connected:
                 await asyncio.sleep(settings.behaviour_settings.sleep_s)
+                self.logger.debug("Not connected, skipping ping loop iteration.")
                 continue
 
             # We need to listen and send pings.
@@ -258,7 +267,8 @@ class RICommunicationAgent(BaseAgent):
                     self._req_socket.recv_json(), timeout=seconds_to_wait_total / 2
                 )
 
-                self.logger.debug(f'Received message "{message}" from RI.')
+                if "endpoint" in message and message["endpoint"] != "ping":
+                    self.logger.debug(f'Received message "{message}" from RI.')
                 if "endpoint" not in message:
                     self.logger.warning("No received endpoint in message, expected ping endpoint.")
                     continue
@@ -298,13 +308,33 @@ class RICommunicationAgent(BaseAgent):
         # Tell UI we're disconnected.
         topic = b"ping"
         data = json.dumps(False).encode()
+        self.logger.debug("1")
         if self.pub_socket:
             try:
+                self.logger.debug("2")
                 await asyncio.wait_for(self.pub_socket.send_multipart([topic, data]), 5)
             except TimeoutError:
+                self.logger.debug("3")
                 self.logger.warning("Connection ping for router timed out.")
 
         # Try to reboot/renegotiate
+        if self.gesture_agent is not None:
+            await self.gesture_agent.stop()
+
+        if self.speech_agent is not None:
+            await self.speech_agent.stop()
+
+        if self.pub_socket is not None:
+            self.pub_socket.close()
+
         self.logger.debug("Restarting communication negotiation.")
-        if await self._negotiate_connection(max_retries=1):
+        if await self._negotiate_connection(max_retries=2):
             self.connected = True
+
+    async def handle_message(self, msg: InternalMessage):
+        try:
+            pause_command = PauseCommand.model_validate_json(msg.body)
+            self._req_socket.send_json(pause_command.model_dump())
+            self.logger.debug(self._req_socket.recv_json())
+        except ValidationError:
+            self.logger.warning("Incorrect message format for PauseCommand.")

src/control_backend/agents/llm/llm_agent.py

@@ -46,18 +46,23 @@ class LLMAgent(BaseAgent):
         :param msg: The received internal message.
         """
         if msg.sender == settings.agent_settings.bdi_core_name:
-            self.logger.debug("Processing message from BDI core.")
-            try:
-                prompt_message = LLMPromptMessage.model_validate_json(msg.body)
-                await self._process_bdi_message(prompt_message)
-            except ValidationError:
-                self.logger.debug("Prompt message from BDI core is invalid.")
+            match msg.thread:
+                case "prompt_message":
+                    try:
+                        prompt_message = LLMPromptMessage.model_validate_json(msg.body)
+                        await self._process_bdi_message(prompt_message)
+                    except ValidationError:
+                        self.logger.debug("Prompt message from BDI core is invalid.")
+                case "assistant_message":
+                    self.history.append({"role": "assistant", "content": msg.body})
+                case "user_message":
+                    self.history.append({"role": "user", "content": msg.body})
         elif msg.sender == settings.agent_settings.bdi_program_manager_name:
             if msg.body == "clear_history":
                 self.logger.debug("Clearing conversation history.")
                 self.history.clear()
         else:
-            self.logger.debug("Message ignored (not from BDI core.")
+            self.logger.debug("Message ignored.")
 
     async def _process_bdi_message(self, message: LLMPromptMessage):
         """
@@ -68,11 +73,12 @@ class LLMAgent(BaseAgent):
 
         :param message: The parsed prompt message containing text, norms, and goals.
         """
+        full_message = ""
         async for chunk in self._query_llm(message.text, message.norms, message.goals):
             await self._send_reply(chunk)
-            self.logger.debug(
-                "Finished processing BDI message. Response sent in chunks to BDI core."
-            )
+            full_message += chunk
+        self.logger.debug("Finished processing BDI message. Response sent in chunks to BDI core.")
+        await self._send_full_reply(full_message)
 
     async def _send_reply(self, msg: str):
         """
@@ -87,6 +93,19 @@ class LLMAgent(BaseAgent):
         )
         await self.send(reply)
 
+    async def _send_full_reply(self, msg: str):
+        """
+        Sends a response message (full) to agents that need it.
+
+        :param msg: The text content of the message.
+        """
+        message = InternalMessage(
+            to=settings.agent_settings.text_belief_extractor_name,
+            sender=self.name,
+            body=msg,
+        )
+        await self.send(message)
+
     async def _query_llm(
         self, prompt: str, norms: list[str], goals: list[str]
     ) -> AsyncGenerator[str]:
@@ -104,13 +123,6 @@ class LLMAgent(BaseAgent):
         :param goals: Goals the LLM should achieve.
         :yield: Fragments of the LLM-generated content (e.g., sentences/phrases).
         """
-        self.history.append(
-            {
-                "role": "user",
-                "content": prompt,
-            }
-        )
-
         instructions = LLMInstructions(norms if norms else None, goals if goals else None)
         messages = [
             {
@@ -176,7 +188,7 @@ class LLMAgent(BaseAgent):
                 json={
                     "model": settings.llm_settings.local_llm_model,
                     "messages": messages,
-                    "temperature": 0.3,
+                    "temperature": settings.llm_settings.chat_temperature,
                     "stream": True,
                 },
             ) as response:

src/control_backend/agents/perception/vad_agent.py

@@ -7,6 +7,7 @@ import zmq.asyncio as azmq
 
 from control_backend.agents import BaseAgent
 from control_backend.core.config import settings
+from control_backend.schemas.internal_message import InternalMessage
 
 from ...schemas.program_status import PROGRAM_STATUS, ProgramStatus
 from .transcription_agent.transcription_agent import TranscriptionAgent
@@ -86,6 +87,12 @@ class VADAgent(BaseAgent):
         self.audio_buffer = np.array([], dtype=np.float32)
         self.i_since_speech = settings.behaviour_settings.vad_initial_since_speech
         self._ready = asyncio.Event()
+
+        # Pause control
+        self._reset_needed = False
+        self._paused = asyncio.Event()
+        self._paused.set()  # Not paused at start
+
         self.model = None
 
     async def setup(self):
@@ -213,6 +220,16 @@ class VADAgent(BaseAgent):
         """
         await self._ready.wait()
         while self._running:
+            await self._paused.wait()
+
+            # After being unpaused, reset stream and buffers
+            if self._reset_needed:
+                self.logger.debug("Resuming: resetting stream and buffers.")
+                await self._reset_stream()
+                self.audio_buffer = np.array([], dtype=np.float32)
+                self.i_since_speech = settings.behaviour_settings.vad_initial_since_speech
+                self._reset_needed = False
+
             assert self.audio_in_poller is not None
             data = await self.audio_in_poller.poll()
             if data is None:
@@ -229,10 +246,11 @@ class VADAgent(BaseAgent):
             assert self.model is not None
             prob = self.model(torch.from_numpy(chunk), settings.vad_settings.sample_rate_hz).item()
             non_speech_patience = settings.behaviour_settings.vad_non_speech_patience_chunks
+            begin_silence_length = settings.behaviour_settings.vad_begin_silence_chunks
             prob_threshold = settings.behaviour_settings.vad_prob_threshold
 
             if prob > prob_threshold:
-                if self.i_since_speech > non_speech_patience:
+                if self.i_since_speech > non_speech_patience + begin_silence_length:
                     self.logger.debug("Speech started.")
                 self.audio_buffer = np.append(self.audio_buffer, chunk)
                 self.i_since_speech = 0
@@ -246,7 +264,7 @@ class VADAgent(BaseAgent):
                 continue
 
             # Speech probably ended. Make sure we have a usable amount of data.
-            if len(self.audio_buffer) >= 3 * len(chunk):
+            if len(self.audio_buffer) > begin_silence_length * len(chunk):
                 self.logger.debug("Speech ended.")
                 assert self.audio_out_socket is not None
                 await self.audio_out_socket.send(self.audio_buffer[: -2 * len(chunk)].tobytes())
@@ -254,3 +272,27 @@ class VADAgent(BaseAgent):
             # At this point, we know that the speech has ended.
             # Prepend the last chunk that had no speech, for a more fluent boundary
             self.audio_buffer = chunk
+
+    async def handle_message(self, msg: InternalMessage):
+        """
+        Handle incoming messages.
+
+        Expects messages to pause or resume the VAD processing from User Interrupt Agent.
+
+        :param msg: The received internal message.
+        """
+        sender = msg.sender
+
+        if sender == settings.agent_settings.user_interrupt_name:
+            if msg.body == "PAUSE":
+                self.logger.info("Pausing VAD processing.")
+                self._paused.clear()
+                # If the robot needs to pick up speaking where it left off, do not set _reset_needed
+                self._reset_needed = True
+            elif msg.body == "RESUME":
+                self.logger.info("Resuming VAD processing.")
+                self._paused.set()
+            else:
+                self.logger.warning(f"Unknown command from User Interrupt Agent: {msg.body}")
+        else:
+            self.logger.debug(f"Ignoring message from unknown sender: {sender}")

src/control_backend/agents/user_interrupt/user_interrupt_agent.py

@@ -4,9 +4,17 @@ import zmq
 from zmq.asyncio import Context
 
 from control_backend.agents import BaseAgent
+from control_backend.agents.bdi.agentspeak_generator import AgentSpeakGenerator
 from control_backend.core.agent_system import InternalMessage
 from control_backend.core.config import settings
-from control_backend.schemas.ri_message import GestureCommand, RIEndpoint, SpeechCommand
+from control_backend.schemas.belief_message import Belief, BeliefMessage
+from control_backend.schemas.program import ConditionalNorm, Program
+from control_backend.schemas.ri_message import (
+    GestureCommand,
+    PauseCommand,
+    RIEndpoint,
+    SpeechCommand,
+)
 
 
 class UserInterruptAgent(BaseAgent):
@@ -24,12 +32,39 @@ class UserInterruptAgent(BaseAgent):
     Prioritized actions clear the current RI queue before inserting the new item,
     ensuring they are executed immediately after Pepper's current action has been fulfilled.
 
-    :ivar sub_socket: The ZMQ SUB socket used to receive user intterupts.
+    :ivar sub_socket: The ZMQ SUB socket used to receive user interrupts.
     """
 
     def __init__(self, **kwargs):
         super().__init__(**kwargs)
         self.sub_socket = None
+        self.pub_socket = None
+        self._trigger_map = {}
+        self._trigger_reverse_map = {}
+
+        self._goal_map = {}  # id -> sluggified goal
+        self._goal_reverse_map = {}  # sluggified goal -> id
+
+        self._cond_norm_map = {}  # id -> sluggified cond norm
+        self._cond_norm_reverse_map = {}  # sluggified cond norm -> id
+
+    async def setup(self):
+        """
+        Initialize the agent.
+
+        Connects the internal ZMQ SUB socket and subscribes to the 'button_pressed' topic.
+        Starts the background behavior to receive the user interrupts.
+        """
+        context = Context.instance()
+
+        self.sub_socket = context.socket(zmq.SUB)
+        self.sub_socket.connect(settings.zmq_settings.internal_sub_address)
+        self.sub_socket.subscribe("button_pressed")
+
+        self.pub_socket = context.socket(zmq.PUB)
+        self.pub_socket.connect(settings.zmq_settings.internal_pub_address)
+
+        self.add_behavior(self._receive_button_event())
 
     async def _receive_button_event(self):
         """
@@ -41,6 +76,9 @@ class UserInterruptAgent(BaseAgent):
         - type: "speech", context: string that the robot has to say.
         - type: "gesture", context: single gesture name that the robot has to perform.
         - type: "override", context: belief_id that overrides the goal/trigger/conditional norm.
+        - type: "pause", context: boolean indicating whether to pause
+        - type: "reset_phase", context: None, indicates to the BDI Core to
+        - type: "reset_experiment", context: None, indicates to the BDI Core to
         """
         while True:
             topic, body = await self.sub_socket.recv_multipart()
@@ -53,6 +91,8 @@ class UserInterruptAgent(BaseAgent):
                 self.logger.error("Received invalid JSON payload on topic %s", topic)
                 continue
 
+            self.logger.debug("Received event type %s", event_type)
+
             if event_type == "speech":
                 await self._send_to_speech_agent(event_context)
                 self.logger.info(
@@ -66,11 +106,48 @@ class UserInterruptAgent(BaseAgent):
                     event_context,
                 )
             elif event_type == "override":
-                await self._send_to_program_manager(event_context)
-                self.logger.info(
-                    "Forwarded button press (override) with context '%s' to BDIProgramManager.",
-                    event_context,
+                ui_id = str(event_context)
+                if asl_trigger := self._trigger_map.get(ui_id):
+                    await self._send_to_bdi("force_trigger", asl_trigger)
+                    self.logger.info(
+                        "Forwarded button press (override) with context '%s' to BDI Core.",
+                        event_context,
+                    )
+                elif asl_cond_norm := self._cond_norm_map.get(ui_id):
+                    await self._send_to_bdi("force_norm", asl_cond_norm)
+                    self.logger.info(
+                        "Forwarded button press (override) with context '%s' to BDIProgramManager.",
+                        event_context,
+                    )
+                elif asl_goal := self._goal_map.get(ui_id):
+                    await self._send_to_bdi_belief(asl_goal)
+                    self.logger.info(
+                        "Forwarded button press (override) with context '%s' to BDI Core.",
+                        event_context,
+                    )
+
+                    goal_achieve_msg = InternalMessage(
+                        to=settings.agent_settings.bdi_program_manager_name,
+                        thread="achieve_goal",
+                        body=ui_id,
+                    )
+
+                    await self.send(goal_achieve_msg)
+                else:
+                    self.logger.warning("Could not determine which element to override.")
+
+            elif event_type == "pause":
+                self.logger.debug(
+                    "Received pause/resume button press with context '%s'.", event_context
                 )
+                await self._send_pause_command(event_context)
+                if event_context:
+                    self.logger.info("Sent pause command.")
+                else:
+                    self.logger.info("Sent resume command.")
+
+            elif event_type in ["next_phase", "reset_phase", "reset_experiment"]:
+                await self._send_experiment_control_to_bdi_core(event_type)
             else:
                 self.logger.warning(
                     "Received button press with unknown type '%s' (context: '%s').",
@@ -78,6 +155,122 @@ class UserInterruptAgent(BaseAgent):
                     event_context,
                 )
 
+    async def handle_message(self, msg: InternalMessage):
+        """
+        Handle commands received from other internal Python agents.
+        """
+        match msg.thread:
+            case "new_program":
+                self._create_mapping(msg.body)
+            case "trigger_start":
+                # msg.body is the sluggified trigger
+                asl_slug = msg.body
+                ui_id = self._trigger_reverse_map.get(asl_slug)
+
+                if ui_id:
+                    payload = {"type": "trigger_update", "id": ui_id, "achieved": True}
+                    await self._send_experiment_update(payload)
+                    self.logger.info(f"UI Update: Trigger {asl_slug} started (ID: {ui_id})")
+
+            case "trigger_end":
+                asl_slug = msg.body
+                ui_id = self._trigger_reverse_map.get(asl_slug)
+
+                if ui_id:
+                    payload = {"type": "trigger_update", "id": ui_id, "achieved": False}
+                    await self._send_experiment_update(payload)
+                    self.logger.info(f"UI Update: Trigger {asl_slug} ended (ID: {ui_id})")
+            case "transition_phase":
+                new_phase_id = msg.body
+                self.logger.info(f"Phase transition detected: {new_phase_id}")
+
+                payload = {"type": "phase_update", "id": new_phase_id}
+
+                await self._send_experiment_update(payload)
+            case "goal_start":
+                goal_name = msg.body
+                ui_id = self._goal_reverse_map.get(goal_name)
+                if ui_id:
+                    payload = {"type": "goal_update", "id": ui_id, "active": True}
+                    await self._send_experiment_update(payload)
+                    self.logger.info(f"UI Update: Goal {goal_name} started (ID: {ui_id})")
+            case "active_norms_update":
+                norm_list = [s.strip("() '\",") for s in msg.body.split(",") if s.strip("() '\",")]
+
+                await self._broadcast_cond_norms(norm_list)
+            case _:
+                self.logger.debug(f"Received internal message on unhandled thread: {msg.thread}")
+
+    async def _broadcast_cond_norms(self, active_slugs: list[str]):
+        """
+        Sends the current state of all conditional norms to the UI.
+        :param active_slugs: A list of slugs (strings) currently active in the BDI core.
+        """
+        updates = []
+
+        for asl_slug, ui_id in self._cond_norm_reverse_map.items():
+            is_active = asl_slug in active_slugs
+            updates.append({"id": ui_id, "name": asl_slug, "active": is_active})
+
+        payload = {"type": "cond_norms_state_update", "norms": updates}
+
+        await self._send_experiment_update(payload, should_log=False)
+        # self.logger.debug(f"Broadcasted state for {len(updates)} conditional norms.")
+
+    def _create_mapping(self, program_json: str):
+        """
+        Create mappings between UI IDs and ASL slugs for triggers, goals, and conditional norms
+        """
+        try:
+            program = Program.model_validate_json(program_json)
+            self._trigger_map = {}
+            self._trigger_reverse_map = {}
+            self._goal_map = {}
+            self._cond_norm_map = {}
+            self._cond_norm_reverse_map = {}
+
+            for phase in program.phases:
+                for trigger in phase.triggers:
+                    slug = AgentSpeakGenerator.slugify(trigger)
+                    self._trigger_map[str(trigger.id)] = slug
+                    self._trigger_reverse_map[slug] = str(trigger.id)
+
+                for goal in phase.goals:
+                    self._goal_map[str(goal.id)] = AgentSpeakGenerator.slugify(goal)
+                    self._goal_reverse_map[AgentSpeakGenerator.slugify(goal)] = str(goal.id)
+
+                for goal, id in self._goal_reverse_map.items():
+                    self.logger.debug(f"Goal mapping: UI ID {goal} -> {id}")
+
+                for norm in phase.norms:
+                    if isinstance(norm, ConditionalNorm):
+                        asl_slug = AgentSpeakGenerator.slugify(norm)
+
+                        norm_id = str(norm.id)
+
+                        self._cond_norm_map[norm_id] = asl_slug
+                        self._cond_norm_reverse_map[norm.norm] = norm_id
+                        self.logger.debug("Added conditional norm %s", asl_slug)
+
+            self.logger.info(
+                f"Mapped {len(self._trigger_map)} triggers and {len(self._goal_map)} goals "
+                f"and {len(self._cond_norm_map)} conditional norms for UserInterruptAgent."
+            )
+        except Exception as e:
+            self.logger.error(f"Mapping failed: {e}")
+
+    async def _send_experiment_update(self, data, should_log: bool = True):
+        """
+        Sends an update to the 'experiment' topic.
+        The SSE endpoint will pick this up and push it to the UI.
+        """
+        if self.pub_socket:
+            topic = b"experiment"
+            body = json.dumps(data).encode("utf-8")
+            await self.pub_socket.send_multipart([topic, body])
+            if should_log:
+                self.logger.debug(f"Sent experiment update: {data}")
+
     async def _send_to_speech_agent(self, text_to_say: str):
         """
         method to send prioritized speech command to RobotSpeechAgent.
@@ -109,38 +302,83 @@ class UserInterruptAgent(BaseAgent):
         )
         await self.send(out_msg)
 
-    async def _send_to_program_manager(self, belief_id: str):
-        """
-        Send a button_override belief to the BDIProgramManager.
+    async def _send_to_bdi(self, thread: str, body: str):
+        """Send slug of trigger to BDI"""
+        msg = InternalMessage(to=settings.agent_settings.bdi_core_name, thread=thread, body=body)
+        await self.send(msg)
+        self.logger.info(f"Directly forced {thread} in BDI: {body}")
 
-        :param belief_id: The belief_id that overrides the goal/trigger/conditional norm.
-        this id can belong to a basic belief or an inferred belief.
-        See also: https://utrechtuniversity.youtrack.cloud/articles/N25B-A-27/UI-components
+    async def _send_to_bdi_belief(self, asl_goal: str):
+        """Send belief to BDI Core"""
+        belief_name = f"achieved_{asl_goal}"
+        belief = Belief(name=belief_name, arguments=None)
+        self.logger.debug(f"Sending belief to BDI Core: {belief_name}")
+        belief_message = BeliefMessage(create=[belief])
+        msg = InternalMessage(
+            to=settings.agent_settings.bdi_core_name,
+            thread="beliefs",
+            body=belief_message.model_dump_json(),
+        )
+        await self.send(msg)
+
+    async def _send_experiment_control_to_bdi_core(self, type):
         """
-        data = {"belief": belief_id}
-        message = InternalMessage(
-            to=settings.agent_settings.bdi_program_manager_name,
+        method to send experiment control buttons to bdi core.
+
+        :param type: the type of control button we should send to the bdi core.
+        """
+        # Switch which thread we should send to bdi core
+        thread = ""
+        match type:
+            case "next_phase":
+                thread = "force_next_phase"
+            case "reset_phase":
+                thread = "reset_current_phase"
+            case "reset_experiment":
+                thread = "reset_experiment"
+            case _:
+                self.logger.warning(
+                    "Received unknown experiment control type '%s' to send to BDI Core.",
+                    type,
+                )
+
+        out_msg = InternalMessage(
+            to=settings.agent_settings.bdi_core_name,
             sender=self.name,
-            body=json.dumps(data),
-            thread="belief_override_id",
+            thread=thread,
+            body="",
+        )
+        self.logger.debug("Sending experiment control '%s' to BDI Core.", thread)
+        await self.send(out_msg)
+
+    async def _send_pause_command(self, pause):
+        """
+        Send a pause command to the Robot Interface via the RI Communication Agent.
+        Send a pause command to the other internal agents; for now just VAD agent.
+        """
+        cmd = PauseCommand(data=pause)
+        message = InternalMessage(
+            to=settings.agent_settings.ri_communication_name,
+            sender=self.name,
+            body=cmd.model_dump_json(),
         )
         await self.send(message)
-        self.logger.info(
-            "Sent button_override belief with id '%s' to Program manager.",
-            belief_id,
-        )
 
-    async def setup(self):
-        """
-        Initialize the agent.
-
-        Connects the internal ZMQ SUB socket and subscribes to the 'button_pressed' topic.
-        Starts the background behavior to receive the user interrupts.
-        """
-        context = Context.instance()
-
-        self.sub_socket = context.socket(zmq.SUB)
-        self.sub_socket.connect(settings.zmq_settings.internal_sub_address)
-        self.sub_socket.subscribe("button_pressed")
-
-        self.add_behavior(self._receive_button_event())
+        if pause == "true":
+            # Send pause to VAD agent
+            vad_message = InternalMessage(
+                to=settings.agent_settings.vad_name,
+                sender=self.name,
+                body="PAUSE",
+            )
+            await self.send(vad_message)
+            self.logger.info("Sent pause command to VAD Agent and RI Communication Agent.")
+        else:
+            # Send resume to VAD agent
+            vad_message = InternalMessage(
+                to=settings.agent_settings.vad_name,
+                sender=self.name,
+                body="RESUME",
+            )
+            await self.send(vad_message)
+            self.logger.info("Sent resume command to VAD Agent and RI Communication Agent.")

src/control_backend/api/v1/endpoints/button_pressed.py

@@ -1,31 +0,0 @@
-import logging
-
-from fastapi import APIRouter, Request
-
-from control_backend.schemas.events import ButtonPressedEvent
-
-logger = logging.getLogger(__name__)
-router = APIRouter()
-
-
-@router.post("/button_pressed", status_code=202)
-async def receive_button_event(event: ButtonPressedEvent, request: Request):
-    """
-    Endpoint to handle external button press events.
-
-    Validates the event payload and publishes it to the internal 'button_pressed' topic.
-    Subscribers (in this case user_interrupt_agent) will pick this up to trigger
-    specific behaviors or state changes.
-
-    :param event: The parsed ButtonPressedEvent object.
-    :param request: The FastAPI request object.
-    """
-    logger.debug("Received button event: %s | %s", event.type, event.context)
-
-    topic = b"button_pressed"
-    body = event.model_dump_json().encode()
-
-    pub_socket = request.app.state.endpoints_pub_socket
-    await pub_socket.send_multipart([topic, body])
-
-    return {"status": "Event received"}

src/control_backend/api/v1/endpoints/robot.py

@@ -137,7 +137,6 @@ async def ping_stream(request: Request):
                 logger.info("Client disconnected from SSE")
                 break
 
-            logger.debug(f"Yielded new connection event in robot ping router: {str(connected)}")
             connectedJson = json.dumps(connected)
             yield (f"data: {connectedJson}\n\n")
 

src/control_backend/api/v1/endpoints/user_interact.py

@@ -0,0 +1,67 @@
+import asyncio
+import logging
+
+import zmq
+import zmq.asyncio
+from fastapi import APIRouter, Request
+from fastapi.responses import StreamingResponse
+from zmq.asyncio import Context
+
+from control_backend.core.config import settings
+from control_backend.schemas.events import ButtonPressedEvent
+
+logger = logging.getLogger(__name__)
+router = APIRouter()
+
+
+@router.post("/button_pressed", status_code=202)
+async def receive_button_event(event: ButtonPressedEvent, request: Request):
+    """
+    Endpoint to handle external button press events.
+
+    Validates the event payload and publishes it to the internal 'button_pressed' topic.
+    Subscribers (in this case user_interrupt_agent) will pick this up to trigger
+    specific behaviors or state changes.
+
+    :param event: The parsed ButtonPressedEvent object.
+    :param request: The FastAPI request object.
+    """
+    logger.debug("Received button event: %s | %s", event.type, event.context)
+
+    topic = b"button_pressed"
+    body = event.model_dump_json().encode()
+
+    pub_socket = request.app.state.endpoints_pub_socket
+    await pub_socket.send_multipart([topic, body])
+
+    return {"status": "Event received"}
+
+
+@router.get("/experiment_stream")
+async def experiment_stream(request: Request):
+    # Use the asyncio-compatible context
+    context = Context.instance()
+    socket = context.socket(zmq.SUB)
+
+    # Connect and subscribe
+    socket.connect(settings.zmq_settings.internal_sub_address)
+    socket.subscribe(b"experiment")
+
+    async def gen():
+        try:
+            while True:
+                # Check if client closed the tab
+                if await request.is_disconnected():
+                    logger.info("Client disconnected from experiment stream.")
+                    break
+
+                try:
+                    parts = await asyncio.wait_for(socket.recv_multipart(), timeout=1.0)
+                    _, message = parts
+                    yield f"data: {message.decode().strip()}\n\n"
+                except TimeoutError:
+                    continue
+        finally:
+            socket.close()
+
+    return StreamingResponse(gen(), media_type="text/event-stream")

src/control_backend/api/v1/router.py

@@ -1,6 +1,6 @@
 from fastapi.routing import APIRouter
 
-from control_backend.api.v1.endpoints import button_pressed, logs, message, program, robot, sse
+from control_backend.api.v1.endpoints import logs, message, program, robot, sse, user_interact
 
 api_router = APIRouter()
 
@@ -14,4 +14,4 @@ api_router.include_router(logs.router, tags=["Logs"])
 
 api_router.include_router(program.router, tags=["Program"])
 
-api_router.include_router(button_pressed.router, tags=["Button Pressed Events"])
+api_router.include_router(user_interact.router, tags=["Button Pressed Events"])

src/control_backend/core/agent_system.py

@@ -120,7 +120,7 @@ class BaseAgent(ABC):
             task.cancel()
         self.logger.info(f"Agent {self.name} stopped")
 
-    async def send(self, message: InternalMessage):
+    async def send(self, message: InternalMessage, should_log: bool = True):
         """
         Send a message to another agent.
 
@@ -142,13 +142,17 @@ class BaseAgent(ABC):
 
             if target:
                 await target.inbox.put(message)
-                self.logger.debug(f"Sent message {message.body} to {message.to} via regular inbox.")
+                if should_log:
+                    self.logger.debug(
+                        f"Sent message {message.body} to {message.to} via regular inbox."
+                    )
             else:
                 # Apparently target agent is on a different process, send via ZMQ
                 topic = f"internal/{receiver}".encode()
                 body = message.model_dump_json().encode()
                 await self._internal_pub_socket.send_multipart([topic, body])
-                self.logger.debug(f"Sent message {message.body} to {message.to} via ZMQ.")
+                if should_log:
+                    self.logger.debug(f"Sent message {message.body} to {message.to} via ZMQ.")
 
     async def _process_inbox(self):
         """
@@ -158,7 +162,6 @@ class BaseAgent(ABC):
         """
         while self._running:
             msg = await self.inbox.get()
-            self.logger.debug(f"Received message from {msg.sender}.")
             await self.handle_message(msg)
 
     async def _receive_internal_zmq_loop(self):
@@ -201,7 +204,16 @@ class BaseAgent(ABC):
 
         :param coro: The coroutine to execute as a task.
         """
-        task = asyncio.create_task(coro)
+
+        async def try_coro(coro_: Coroutine):
+            try:
+                await coro_
+            except asyncio.CancelledError:
+                self.logger.debug("A behavior was canceled successfully: %s", coro_)
+            except Exception:
+                self.logger.warning("An exception occurred in a behavior.", exc_info=True)
+
+        task = asyncio.create_task(try_coro(coro))
         self._tasks.add(task)
         task.add_done_callback(self._tasks.discard)
         return task

src/control_backend/core/config.py

@@ -74,10 +74,12 @@ class BehaviourSettings(BaseModel):
     :ivar vad_prob_threshold: Probability threshold for Voice Activity Detection.
     :ivar vad_initial_since_speech: Initial value for 'since speech' counter in VAD.
     :ivar vad_non_speech_patience_chunks: Number of non-speech chunks to wait before speech ended.
+    :ivar vad_begin_silence_chunks: The number of chunks of silence to prepend to speech chunks.
     :ivar transcription_max_concurrent_tasks: Maximum number of concurrent transcription tasks.
     :ivar transcription_words_per_minute: Estimated words per minute for transcription timing.
     :ivar transcription_words_per_token: Estimated words per token for transcription timing.
     :ivar transcription_token_buffer: Buffer for transcription tokens.
+    :ivar conversation_history_length_limit: The maximum amount of messages to extract beliefs from.
     """
 
     # ATTENTION: When adding/removing settings, make sure to update the .env.example file
@@ -89,7 +91,8 @@ class BehaviourSettings(BaseModel):
     # VAD settings
     vad_prob_threshold: float = 0.5
     vad_initial_since_speech: int = 100
-    vad_non_speech_patience_chunks: int = 3
+    vad_non_speech_patience_chunks: int = 15
+    vad_begin_silence_chunks: int = 6
 
     # transcription behaviour
     transcription_max_concurrent_tasks: int = 3
@@ -97,6 +100,9 @@ class BehaviourSettings(BaseModel):
     transcription_words_per_token: float = 0.75  # (3 words = 4 tokens)
     transcription_token_buffer: int = 10
 
+    # Text belief extractor settings
+    conversation_history_length_limit: int = 10
+
 
 class LLMSettings(BaseModel):
     """
@@ -104,12 +110,19 @@ class LLMSettings(BaseModel):
 
     :ivar local_llm_url: URL for the local LLM API.
     :ivar local_llm_model: Name of the local LLM model to use.
+    :ivar chat_temperature: The temperature to use while generating chat responses.
+    :ivar code_temperature: The temperature to use while generating code-like responses like during
+        belief inference.
+    :ivar n_parallel: The number of parallel calls allowed to be made to the LLM.
     """
 
     # ATTENTION: When adding/removing settings, make sure to update the .env.example file
 
     local_llm_url: str = "http://localhost:1234/v1/chat/completions"
     local_llm_model: str = "gpt-oss"
+    chat_temperature: float = 1.0
+    code_temperature: float = 0.3
+    n_parallel: int = 4
 
 
 class VADSettings(BaseModel):

src/control_backend/main.py

@@ -120,7 +120,6 @@ async def lifespan(app: FastAPI):
             BDICoreAgent,
             {
                 "name": settings.agent_settings.bdi_core_name,
-                "asl": "src/control_backend/agents/bdi/rules.asl",
             },
         ),
         "BeliefCollectorAgent": (

src/control_backend/schemas/belief_list.py

@@ -0,0 +1,19 @@
+from pydantic import BaseModel
+
+from control_backend.schemas.program import BaseGoal
+from control_backend.schemas.program import Belief as ProgramBelief
+
+
+class BeliefList(BaseModel):
+    """
+    Represents a list of beliefs, separated from a program. Useful in agents which need to
+    communicate beliefs.
+
+    :ivar: beliefs: The list of beliefs.
+    """
+
+    beliefs: list[ProgramBelief]
+
+
+class GoalList(BaseModel):
+    goals: list[BaseGoal]

src/control_backend/schemas/belief_message.py

@@ -6,20 +6,30 @@ class Belief(BaseModel):
     Represents a single belief in the BDI system.
 
     :ivar name: The functor or name of the belief (e.g., 'user_said').
-    :ivar arguments: A list of string arguments for the belief.
-    :ivar replace: If True, existing beliefs with this name should be replaced by this one.
-    :ivar remove: If True, this belief should be removed from the belief base.
+    :ivar arguments: A list of string arguments for the belief, or None if the belief has no
+        arguments.
     """
 
     name: str
-    arguments: list[str]
-    replace: bool = False
-    remove: bool = False
+    arguments: list[str] | None = None
+
+    # To make it hashable
+    model_config = {"frozen": True}
 
 
 class BeliefMessage(BaseModel):
     """
-    A container for transporting a list of beliefs between agents.
+    A container for communicating beliefs between agents.
+
+    :ivar create: Beliefs to create.
+    :ivar delete: Beliefs to delete.
+    :ivar replace: Beliefs to replace. Deletes all beliefs with the same name, replacing them with
+        one new belief.
     """
 
-    beliefs: list[Belief]
+    create: list[Belief] = []
+    delete: list[Belief] = []
+    replace: list[Belief] = []
+
+    def has_values(self) -> bool:
+        return len(self.create) > 0 or len(self.delete) > 0 or len(self.replace) > 0

src/control_backend/schemas/chat_history.py

@@ -0,0 +1,10 @@
+from pydantic import BaseModel
+
+
+class ChatMessage(BaseModel):
+    role: str
+    content: str
+
+
+class ChatHistory(BaseModel):
+    messages: list[ChatMessage]

src/control_backend/schemas/internal_message.py

@@ -14,6 +14,6 @@ class InternalMessage(BaseModel):
     """
 
     to: str | Iterable[str]
-    sender: str
+    sender: str | None = None
     body: str
     thread: str | None = None

src/control_backend/schemas/program.py

@@ -1,64 +1,215 @@
-from pydantic import BaseModel
+from enum import Enum
+from typing import Literal
+
+from pydantic import UUID4, BaseModel
 
 
-class Norm(BaseModel):
+class ProgramElement(BaseModel):
     """
-    Represents a behavioral norm.
+    Represents a basic element of our behavior program.
 
+    :ivar name: The researcher-assigned name of the element.
     :ivar id: Unique identifier.
-    :ivar label: Human-readable label.
-    :ivar norm: The actual norm text describing the behavior.
     """
 
-    id: str
-    label: str
-    norm: str
+    name: str
+    id: UUID4
+
+    # To make program elements hashable
+    model_config = {"frozen": True}
 
 
-class Goal(BaseModel):
+class LogicalOperator(Enum):
+    AND = "AND"
+    OR = "OR"
+
+
+type Belief = KeywordBelief | SemanticBelief | InferredBelief
+type BasicBelief = KeywordBelief | SemanticBelief
+
+
+class KeywordBelief(ProgramElement):
     """
-    Represents an objective to be achieved.
+    Represents a belief that is set when the user spoken text contains a certain keyword.
 
-    :ivar id: Unique identifier.
-    :ivar label: Human-readable label.
-    :ivar description: Detailed description of the goal.
-    :ivar achieved: Status flag indicating if the goal has been met.
+    :ivar keyword: The keyword on which this belief gets set.
     """
 
-    id: str
-    label: str
-    description: str
-    achieved: bool
-
-
-class TriggerKeyword(BaseModel):
-    id: str
+    name: str = ""
     keyword: str
 
 
-class KeywordTrigger(BaseModel):
-    id: str
-    label: str
-    type: str
-    keywords: list[TriggerKeyword]
+class SemanticBelief(ProgramElement):
+    """
+    Represents a belief that is set by semantic LLM validation.
+
+    :ivar description: Description of how to form the belief, used by the LLM.
+    """
+
+    description: str
 
 
-class Phase(BaseModel):
+class InferredBelief(ProgramElement):
+    """
+    Represents a belief that gets formed by combining two beliefs with a logical AND or OR.
+
+    These beliefs can also be :class:`InferredBelief`, leading to arbitrarily deep nesting.
+
+    :ivar operator: The logical operator to apply.
+    :ivar left: The left part of the logical expression.
+    :ivar right: The right part of the logical expression.
+    """
+
+    name: str = ""
+    operator: LogicalOperator
+    left: Belief
+    right: Belief
+
+
+class Norm(ProgramElement):
+    name: str = ""
+    norm: str
+    critical: bool = False
+
+
+class BasicNorm(Norm):
+    """
+    Represents a behavioral norm.
+
+    :ivar norm: The actual norm text describing the behavior.
+    :ivar critical: When true, this norm should absolutely not be violated (checked separately).
+    """
+
+    pass
+
+
+class ConditionalNorm(Norm):
+    """
+    Represents a norm that is only active when a condition is met (i.e., a certain belief holds).
+
+    :ivar condition: When to activate this norm.
+    """
+
+    condition: Belief
+
+
+type PlanElement = Goal | Action
+
+
+class Plan(ProgramElement):
+    """
+    Represents a list of steps to execute. Each of these steps can be a goal (with its own plan)
+    or a simple action.
+
+    :ivar steps: The actions or subgoals to execute, in order.
+    """
+
+    name: str = ""
+    steps: list[PlanElement]
+
+
+class BaseGoal(ProgramElement):
+    """
+    Represents an objective to be achieved. This base version does not include a plan to achieve
+    this goal, and is used in semantic belief extraction.
+
+    :ivar description: A description of the goal, used to determine if it has been achieved.
+    :ivar can_fail: Whether we can fail to achieve the goal after executing the plan.
+    """
+
+    description: str = ""
+    can_fail: bool = True
+
+
+class Goal(BaseGoal):
+    """
+    Represents an objective to be achieved. To reach the goal, we should execute the corresponding
+    plan. It inherits from the BaseGoal a variable `can_fail`, which if true will cause the
+    completion to be determined based on the conversation.
+
+    Instances of this goal are not hashable because a plan is not hashable.
+
+    :ivar plan: The plan to execute.
+    """
+
+    plan: Plan
+
+
+type Action = SpeechAction | GestureAction | LLMAction
+
+
+class SpeechAction(ProgramElement):
+    """
+    Represents the action of the robot speaking a literal text.
+
+    :ivar text: The text to speak.
+    """
+
+    name: str = ""
+    text: str
+
+
+class Gesture(BaseModel):
+    """
+    Represents a gesture to be performed. Can be either a single gesture,
+    or a random gesture from a category (tag).
+
+    :ivar type: The type of the gesture, "tag" or "single".
+    :ivar name: The name of the single gesture or tag.
+    """
+
+    type: Literal["tag", "single"]
+    name: str
+
+
+class GestureAction(ProgramElement):
+    """
+    Represents the action of the robot performing a gesture.
+
+    :ivar gesture: The gesture to perform.
+    """
+
+    name: str = ""
+    gesture: Gesture
+
+
+class LLMAction(ProgramElement):
+    """
+    Represents the action of letting an LLM generate a reply based on its chat history
+    and an additional goal added in the prompt.
+
+    :ivar goal: The extra (temporary) goal to add to the LLM.
+    """
+
+    name: str = ""
+    goal: str
+
+
+class Trigger(ProgramElement):
+    """
+    Represents a belief-based trigger. When a belief is set, the corresponding plan is executed.
+
+    :ivar condition: When to activate the trigger.
+    :ivar plan: The plan to execute.
+    """
+
+    condition: Belief
+    plan: Plan
+
+
+class Phase(ProgramElement):
     """
     A distinct phase within a program, containing norms, goals, and triggers.
 
-    :ivar id: Unique identifier.
-    :ivar label: Human-readable label.
     :ivar norms: List of norms active in this phase.
     :ivar goals: List of goals to pursue in this phase.
     :ivar triggers: List of triggers that define transitions out of this phase.
     """
 
-    id: str
-    label: str
-    norms: list[Norm]
+    name: str = ""
+    norms: list[BasicNorm | ConditionalNorm]
     goals: list[Goal]
-    triggers: list[KeywordTrigger]
+    triggers: list[Trigger]
 
 
 class Program(BaseModel):

src/control_backend/schemas/ri_message.py

@@ -14,6 +14,7 @@ class RIEndpoint(str, Enum):
     GESTURE_TAG = "actuate/gesture/tag"
     PING = "ping"
     NEGOTIATE_PORTS = "negotiate/ports"
+    PAUSE = ""
 
 
 class RIMessage(BaseModel):
@@ -64,3 +65,15 @@ class GestureCommand(RIMessage):
         if self.endpoint not in allowed:
             raise ValueError("endpoint must be GESTURE_SINGLE or GESTURE_TAG")
         return self
+
+
+class PauseCommand(RIMessage):
+    """
+    A specific command to pause or unpause the robot's actions.
+
+    :ivar endpoint: Fixed to ``RIEndpoint.PAUSE``.
+    :ivar data: A boolean indicating whether to pause (True) or unpause (False).
+    """
+
+    endpoint: RIEndpoint = RIEndpoint(RIEndpoint.PAUSE)
+    data: bool