chore: removed resetExperiment from backened

now it happens in UI

ref: N25B-400

.env.example

@@ -0,0 +1,20 @@
+# Example .env file. To use, make a copy, call it ".env" (i.e. removing the ".example" suffix), then you edit values.
+
+# The hostname of the Robot Interface. Change if the Control Backend and Robot Interface are running on different computers.
+RI_HOST="localhost"
+
+# URL for the local LLM API. Must be an API that implements the OpenAI Chat Completions API, but most do.
+LLM_SETTINGS__LOCAL_LLM_URL="http://localhost:1234/v1/chat/completions"
+
+# Name of the local LLM model to use.
+LLM_SETTINGS__LOCAL_LLM_MODEL="gpt-oss"
+
+# Number of non-speech chunks to wait before speech ended. A chunk is approximately 31 ms. Increasing this number allows longer pauses in speech, but also increases response time.
+BEHAVIOUR_SETTINGS__VAD_NON_SPEECH_PATIENCE_CHUNKS=15
+
+# Timeout in milliseconds for socket polling. Increase this number if network latency/jitter is high, often the case when using Wi-Fi. Perhaps 500 ms. A symptom of this issue is transcriptions getting cut off.
+BEHAVIOUR_SETTINGS__SOCKET_POLLER_TIMEOUT_MS=100
+
+
+
+# For an exhaustive list of options, see the control_backend.core.config module in the docs.

.gitignore

@@ -222,6 +222,8 @@ __marimo__/
 docs/*
 !docs/conf.py
 
+# Generated files
+agentspeak.asl
 
 
 

README.md

@@ -27,6 +27,7 @@ This + part might differ based on what model you choose.
 copy the model name in the module loaded and replace local_llm_modelL. In settings.
 
 
+
 ## Running
 To run the project (development server), execute the following command (while inside the root repository):
 
@@ -34,6 +35,14 @@ To run the project (development server), execute the following command (while in
 uv run fastapi dev src/control_backend/main.py
 ```
 
+### Environment Variables
+
+You can use environment variables to change settings. Make a copy of the [`.env.example`](.env.example) file, name it `.env` and put it in the root directory. The file itself describes how to do the configuration.
+
+For an exhaustive list of environment options, see the `control_backend.core.config` module in the docs.
+
+
+
 ## Testing
 Testing happens automatically when opening a merge request to any branch. If you want to manually run the test suite, you can do so by running the following for unit tests:
 

src/control_backend/agents/actuation/robot_gesture_agent.py

@@ -33,7 +33,7 @@ class RobotGestureAgent(BaseAgent):
     def __init__(
         self,
         name: str,
-        address=settings.zmq_settings.ri_command_address,
+        address: str,
         bind=False,
         gesture_data=None,
         single_gesture_data=None,
@@ -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_generator.py

@@ -3,9 +3,11 @@ from functools import singledispatchmethod
 from slugify import slugify
 
 from control_backend.agents.bdi.agentspeak_ast import (
+    AstAtom,
     AstBinaryOp,
     AstExpression,
     AstLiteral,
+    AstNumber,
     AstPlan,
     AstProgram,
     AstRule,
@@ -17,6 +19,7 @@ from control_backend.agents.bdi.agentspeak_ast import (
     TriggerType,
 )
 from control_backend.schemas.program import (
+    BaseGoal,
     BasicNorm,
     ConditionalNorm,
     GestureAction,
@@ -42,7 +45,13 @@ class AgentSpeakGenerator:
     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()
 
@@ -70,6 +79,7 @@ class AgentSpeakGenerator:
         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(
@@ -132,6 +142,29 @@ class AgentSpeakGenerator:
             )
         )
 
+    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:
@@ -145,7 +178,12 @@ class AgentSpeakGenerator:
                 type=TriggerType.ADDED_BELIEF,
                 trigger_literal=AstLiteral("user_said", [AstVar("Message")]),
                 context=[AstLiteral("phase", [AstString("end")])],
-                body=[AstStatement(StatementType.ACHIEVE_GOAL, AstLiteral("reply"))],
+                body=[
+                    AstStatement(
+                        StatementType.DO_ACTION, AstLiteral("notify_user_said", [AstVar("Message")])
+                    ),
+                    AstStatement(StatementType.ACHIEVE_GOAL, AstLiteral("reply")),
+                ],
             )
         )
 
@@ -157,7 +195,7 @@ class AgentSpeakGenerator:
 
         previous_goal = None
         for goal in phase.goals:
-            self._process_goal(goal, phase, previous_goal)
+            self._process_goal(goal, phase, previous_goal, main_goal=True)
             previous_goal = goal
 
         for trigger in phase.triggers:
@@ -171,29 +209,57 @@ class AgentSpeakGenerator:
             self._astify(to_phase) if to_phase else AstLiteral("phase", [AstString("end")])
         )
 
-        context = [from_phase_ast, ~AstLiteral("responded_this_turn")]
-        if from_phase and from_phase.goals:
-            context.append(self._astify(from_phase.goals[-1], achieved=True))
+        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(
+        # 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.TEST_GOAL, AstLiteral("user_said", [AstVar("Message")])
-                    ),
-                    AstStatement(
-                        StatementType.REPLACE_BELIEF, AstLiteral("user_said", [AstVar("Message")])
-                    ),
-                ]
+                    AstStatement(StatementType.ACHIEVE_GOAL, AstLiteral("force_transition_phase")),
+                ],
+            )
         )
 
+        # Force
         self._asp.plans.append(
-            AstPlan(TriggerType.ADDED_GOAL, AstLiteral("transition_phase"), context, body)
+            AstPlan(
+                TriggerType.ADDED_GOAL, AstLiteral("force_transition_phase"), force_context, body
+            )
         )
 
     def _process_norm(self, norm: Norm, phase: Phase) -> None:
@@ -201,7 +267,11 @@ class AgentSpeakGenerator:
 
         match norm:
             case ConditionalNorm(condition=cond):
-                rule = AstRule(self._astify(norm), self._astify(phase) & self._astify(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))
 
@@ -213,6 +283,11 @@ class AgentSpeakGenerator:
     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")))
 
@@ -236,6 +311,7 @@ class AgentSpeakGenerator:
         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))
@@ -245,6 +321,13 @@ class AgentSpeakGenerator:
             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:
@@ -283,12 +366,28 @@ class AgentSpeakGenerator:
         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,
@@ -298,6 +397,9 @@ class AgentSpeakGenerator:
             )
         )
 
+        # 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)
 
@@ -322,6 +424,16 @@ class AgentSpeakGenerator:
             )
         )
 
+        # Force phase transition fallback
+        self._asp.plans.append(
+            AstPlan(
+                TriggerType.ADDED_GOAL,
+                AstLiteral("force_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.")
@@ -332,13 +444,7 @@ class AgentSpeakGenerator:
 
     @_astify.register
     def _(self, sb: SemanticBelief) -> AstExpression:
-        return AstLiteral(self.get_semantic_belief_slug(sb))
-
-    @staticmethod
-    def get_semantic_belief_slug(sb: SemanticBelief) -> str:
-        # If you need a method like this for other types, make a public slugify singledispatch for
-        #  all types.
-        return f"semantic_{AgentSpeakGenerator._slugify_str(sb.name)}"
+        return AstLiteral(self.slugify(sb))
 
     @_astify.register
     def _(self, ib: InferredBelief) -> AstExpression:
@@ -383,6 +489,11 @@ class AgentSpeakGenerator:
     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:
@@ -390,7 +501,7 @@ class AgentSpeakGenerator:
 
     @slugify.register
     @staticmethod
-    def _(g: Goal) -> str:
+    def _(g: BaseGoal) -> str:
         return AgentSpeakGenerator._slugify_str(g.name)
 
     @slugify.register

src/control_backend/agents/bdi/asl_ast.py

@@ -1,203 +0,0 @@
-import typing
-from dataclasses import dataclass, field
-
-# --- Types ---
-
-
-@dataclass
-class BeliefLiteral:
-    """
-    Represents a literal or atom.
-    Example: phase(1), user_said("hello"), ~started
-    """
-
-    functor: str
-    args: list[str] = field(default_factory=list)
-    negated: bool = False
-
-    def __str__(self):
-        # In ASL, 'not' is usually for closed-world assumption (prolog style),
-        # '~' is for explicit negation in beliefs.
-        # For simplicity in behavior trees, we often use 'not' for conditions.
-        prefix = "not " if self.negated else ""
-        if not self.args:
-            return f"{prefix}{self.functor}"
-
-        # Clean args to ensure strings are quoted if they look like strings,
-        # but usually the converter handles the quoting of string literals.
-        args_str = ", ".join(self.args)
-        return f"{prefix}{self.functor}({args_str})"
-
-
-@dataclass
-class GoalLiteral:
-    name: str
-
-    def __str__(self):
-        return f"!{self.name}"
-
-
-@dataclass
-class ActionLiteral:
-    """
-    Represents a step in a plan body.
-    Example: .say("Hello") or !achieve_goal
-    """
-
-    code: str
-
-    def __str__(self):
-        return self.code
-
-
-@dataclass
-class BinaryOp:
-    """
-    Represents logical operations.
-    Example: (A & B) | C
-    """
-
-    left: "Expression | str"
-    operator: typing.Literal["&", "|"]
-    right: "Expression | str"
-
-    def __str__(self):
-        l_str = str(self.left)
-        r_str = str(self.right)
-
-        if isinstance(self.left, BinaryOp):
-            l_str = f"({l_str})"
-        if isinstance(self.right, BinaryOp):
-            r_str = f"({r_str})"
-
-        return f"{l_str} {self.operator} {r_str}"
-
-
-Literal = BeliefLiteral | GoalLiteral | ActionLiteral
-Expression = Literal | BinaryOp | str
-
-
-@dataclass
-class Rule:
-    """
-    Represents an inference rule.
-    Example: head :- body.
-    """
-
-    head: Expression
-    body: Expression | None = None
-
-    def __str__(self):
-        if not self.body:
-            return f"{self.head}."
-        return f"{self.head} :- {self.body}."
-
-
-@dataclass
-class PersistentRule:
-    """
-    Represents an inference rule, where the inferred belief is persistent when formed.
-    """
-
-    head: Expression
-    body: Expression
-
-    def __str__(self):
-        if not self.body:
-            raise Exception("Rule without body should not be persistent.")
-
-        lines = []
-
-        if isinstance(self.body, BinaryOp):
-            lines.append(f"+{self.body.left}")
-            if self.body.operator == "&":
-                lines.append(f"  :   {self.body.right}")
-            lines.append(f"  <-  +{self.head}.")
-            if self.body.operator == "|":
-                lines.append(f"+{self.body.right}")
-                lines.append(f"  <-  +{self.head}.")
-
-        return "\n".join(lines)
-
-
-@dataclass
-class Plan:
-    """
-    Represents a plan.
-    Syntax: +trigger : context <- body.
-    """
-
-    trigger: BeliefLiteral | GoalLiteral
-    context: list[Expression] = field(default_factory=list)
-    body: list[ActionLiteral] = field(default_factory=list)
-
-    def __str__(self):
-        # Indentation settings
-        INDENT = "      "
-        ARROW = "\n  <-  "
-        COLON = "\n  :   "
-
-        # Build Header
-        header = f"+{self.trigger}"
-        if self.context:
-            ctx_str = f" &\n{INDENT}".join(str(c) for c in self.context)
-            header += f"{COLON}{ctx_str}"
-
-        # Case 1: Empty body
-        if not self.body:
-            return f"{header}."
-
-        # Case 2: Short body (optional optimization, keeping it uniform usually better)
-        header += ARROW
-
-        lines = []
-        # We start the first action on the same line or next line.
-        # Let's put it on the next line for readability if there are multiple.
-
-        if len(self.body) == 1:
-            return f"{header}{self.body[0]}."
-
-        # First item
-        lines.append(f"{header}{self.body[0]};")
-        # Middle items
-        for item in self.body[1:-1]:
-            lines.append(f"{INDENT}{item};")
-        # Last item
-        lines.append(f"{INDENT}{self.body[-1]}.")
-
-        return "\n".join(lines)
-
-
-@dataclass
-class AgentSpeakFile:
-    """
-    Root element representing the entire generated file.
-    """
-
-    initial_beliefs: list[Rule] = field(default_factory=list)
-    inference_rules: list[Rule | PersistentRule] = field(default_factory=list)
-    plans: list[Plan] = field(default_factory=list)
-
-    def __str__(self):
-        sections = []
-
-        if self.initial_beliefs:
-            sections.append("// --- Initial Beliefs & Facts ---")
-            sections.extend(str(rule) for rule in self.initial_beliefs)
-            sections.append("")
-
-        if self.inference_rules:
-            sections.append("// --- Inference Rules ---")
-            sections.extend(str(rule) for rule in self.inference_rules if isinstance(rule, Rule))
-            sections.append("")
-            sections.extend(
-                str(rule) for rule in self.inference_rules if isinstance(rule, PersistentRule)
-            )
-            sections.append("")
-
-        if self.plans:
-            sections.append("// --- Plans ---")
-            # Separate plans by a newline for readability
-            sections.extend(str(plan) + "\n" for plan in self.plans)
-
-        return "\n".join(sections)

src/control_backend/agents/bdi/asl_gen.py

@@ -1,425 +0,0 @@
-import asyncio
-import time
-from functools import singledispatchmethod
-
-from slugify import slugify
-
-from control_backend.agents.bdi import BDICoreAgent
-from control_backend.agents.bdi.asl_ast import (
-    ActionLiteral,
-    AgentSpeakFile,
-    BeliefLiteral,
-    BinaryOp,
-    Expression,
-    GoalLiteral,
-    PersistentRule,
-    Plan,
-    Rule,
-)
-from control_backend.agents.bdi.bdi_program_manager import test_program
-from control_backend.schemas.program import (
-    BasicBelief,
-    Belief,
-    ConditionalNorm,
-    GestureAction,
-    Goal,
-    InferredBelief,
-    KeywordBelief,
-    LLMAction,
-    LogicalOperator,
-    Phase,
-    Program,
-    ProgramElement,
-    SemanticBelief,
-    SpeechAction,
-)
-
-
-async def do_things():
-    res = input("Wanna generate")
-    if res == "y":
-        program = AgentSpeakGenerator().generate(test_program)
-        filename = f"{int(time.time())}.asl"
-        with open(filename, "w") as f:
-            f.write(program)
-    else:
-        # filename = "0test.asl"
-        filename = "1766062491.asl"
-    bdi_agent = BDICoreAgent("BDICoreAgent", filename)
-    flag = asyncio.Event()
-    await bdi_agent.start()
-    await flag.wait()
-
-
-def do_other_things():
-    print(AgentSpeakGenerator().generate(test_program))
-
-
-class AgentSpeakGenerator:
-    """
-    Converts a Pydantic Program behavior model into an AgentSpeak(L) AST,
-    then renders it to a string.
-    """
-
-    def generate(self, program: Program) -> str:
-        asl = AgentSpeakFile()
-
-        self._generate_startup(program, asl)
-
-        for i, phase in enumerate(program.phases):
-            next_phase = program.phases[i + 1] if i < len(program.phases) - 1 else None
-
-            self._generate_phase_flow(phase, next_phase, asl)
-
-            self._generate_norms(phase, asl)
-
-            self._generate_goals(phase, asl)
-
-            self._generate_triggers(phase, asl)
-
-        self._generate_fallbacks(program, asl)
-
-        return str(asl)
-
-    # --- Section: Startup & Phase Management ---
-
-    def _generate_startup(self, program: Program, asl: AgentSpeakFile):
-        if not program.phases:
-            return
-
-        # Initial belief: phase(start).
-        asl.initial_beliefs.append(Rule(head=BeliefLiteral("phase", ['"start"'])))
-
-        # Startup plan: +started : phase(start) <- -phase(start); +phase(first_id).
-        asl.plans.append(
-            Plan(
-                trigger=BeliefLiteral("started"),
-                context=[BeliefLiteral("phase", ['"start"'])],
-                body=[
-                    ActionLiteral('-phase("start")'),
-                    ActionLiteral(f'+phase("{program.phases[0].id}")'),
-                ],
-            )
-        )
-
-        # Initial plans:
-        asl.plans.append(
-            Plan(
-                trigger=GoalLiteral("generate_response_with_goal(Goal)"),
-                context=[BeliefLiteral("user_said", ["Message"])],
-                body=[
-                    ActionLiteral("+responded_this_turn"),
-                    ActionLiteral(".findall(Norm, norm(Norm), Norms)"),
-                    ActionLiteral(".reply_with_goal(Message, Norms, Goal)"),
-                ],
-            )
-        )
-
-    def _generate_phase_flow(self, phase: Phase, next_phase: Phase | None, asl: AgentSpeakFile):
-        """Generates the main loop listener and the transition logic for this phase."""
-
-        # +user_said(Message) : phase(ID) <- !goal1; !goal2; !transition_phase.
-        goal_actions = [ActionLiteral("-responded_this_turn")]
-        goal_actions += [
-            ActionLiteral(f"!check_{self._slugify_str(keyword)}")
-            for keyword in self._get_keyword_conditionals(phase)
-        ]
-        goal_actions += [ActionLiteral(f"!{self._slugify(g)}") for g in phase.goals]
-        goal_actions.append(ActionLiteral("!transition_phase"))
-
-        asl.plans.append(
-            Plan(
-                trigger=BeliefLiteral("user_said", ["Message"]),
-                context=[BeliefLiteral("phase", [f'"{phase.id}"'])],
-                body=goal_actions,
-            )
-        )
-
-        # +!transition_phase : phase(ID) <- -phase(ID); +(NEXT_ID).
-        next_id = str(next_phase.id) if next_phase else "end"
-
-        transition_context = [BeliefLiteral("phase", [f'"{phase.id}"'])]
-        if phase.goals:
-            transition_context.append(BeliefLiteral(f"achieved_{self._slugify(phase.goals[-1])}"))
-
-        asl.plans.append(
-            Plan(
-                trigger=GoalLiteral("transition_phase"),
-                context=transition_context,
-                body=[
-                    ActionLiteral(f'-phase("{phase.id}")'),
-                    ActionLiteral(f'+phase("{next_id}")'),
-                    ActionLiteral("user_said(Anything)"),
-                    ActionLiteral("-+user_said(Anything)"),
-                ],
-            )
-        )
-
-    def _get_keyword_conditionals(self, phase: Phase) -> list[str]:
-        res = []
-        for belief in self._extract_basic_beliefs_from_phase(phase):
-            if isinstance(belief, KeywordBelief):
-                res.append(belief.keyword)
-
-        return res
-
-    # --- Section: Norms & Beliefs ---
-
-    def _generate_norms(self, phase: Phase, asl: AgentSpeakFile):
-        for norm in phase.norms:
-            norm_slug = f'"{norm.norm}"'
-            head = BeliefLiteral("norm", [norm_slug])
-
-            # Base context is the phase
-            phase_lit = BeliefLiteral("phase", [f'"{phase.id}"'])
-
-            if isinstance(norm, ConditionalNorm):
-                self._ensure_belief_inference(norm.condition, asl)
-
-                condition_expr = self._belief_to_expr(norm.condition)
-                body = BinaryOp(phase_lit, "&", condition_expr)
-            else:
-                body = phase_lit
-
-            asl.inference_rules.append(Rule(head=head, body=body))
-
-    def _ensure_belief_inference(self, belief: Belief, asl: AgentSpeakFile):
-        """
-        Recursively adds rules to infer beliefs.
-        Checks strictly to avoid duplicates if necessary,
-        though ASL engines often handle redefinition or we can use a set to track processed IDs.
-        """
-        if isinstance(belief, KeywordBelief):
-            pass
-            # # Rule: keyword_said("word") :- user_said(M) & .substring("word", M, P) & P >= 0.
-            # kwd_slug = f'"{belief.keyword}"'
-            # head = BeliefLiteral("keyword_said", [kwd_slug])
-            #
-            # # Avoid duplicates
-            # if any(str(r.head) == str(head) for r in asl.inference_rules):
-            #     return
-            #
-            # body = BinaryOp(
-            #     BeliefLiteral("user_said", ["Message"]),
-            #     "&",
-            #     BinaryOp(f".substring({kwd_slug}, Message, Pos)", "&", "Pos >= 0"),
-            # )
-            #
-            # asl.inference_rules.append(Rule(head=head, body=body))
-
-        elif isinstance(belief, InferredBelief):
-            self._ensure_belief_inference(belief.left, asl)
-            self._ensure_belief_inference(belief.right, asl)
-
-            slug = self._slugify(belief)
-            head = BeliefLiteral(slug)
-
-            if any(str(r.head) == str(head) for r in asl.inference_rules):
-                return
-
-            op_char = "&" if belief.operator == LogicalOperator.AND else "|"
-            body = BinaryOp(
-                self._belief_to_expr(belief.left), op_char, self._belief_to_expr(belief.right)
-            )
-            asl.inference_rules.append(PersistentRule(head=head, body=body))
-
-    def _belief_to_expr(self, belief: Belief) -> Expression:
-        if isinstance(belief, KeywordBelief):
-            return BeliefLiteral("keyword_said", [f'"{belief.keyword}"'])
-        else:
-            return BeliefLiteral(self._slugify(belief))
-
-    # --- Section: Goals ---
-
-    def _generate_goals(self, phase: Phase, asl: AgentSpeakFile):
-        previous_goal: Goal | None = None
-        for goal in phase.goals:
-            self._generate_goal_plan_recursive(goal, str(phase.id), previous_goal, asl)
-            previous_goal = goal
-
-    def _generate_goal_plan_recursive(
-        self,
-        goal: Goal,
-        phase_id: str,
-        previous_goal: Goal | None,
-        asl: AgentSpeakFile,
-        responded_needed: bool = True,
-        can_fail: bool = True,
-    ):
-        goal_slug = self._slugify(goal)
-
-        # phase(ID) & not responded_this_turn & not achieved_goal
-        context = [
-            BeliefLiteral("phase", [f'"{phase_id}"']),
-        ]
-
-        if responded_needed:
-            context.append(BeliefLiteral("responded_this_turn", negated=True))
-        if can_fail:
-            context.append(BeliefLiteral(f"achieved_{goal_slug}", negated=True))
-
-        if previous_goal:
-            prev_slug = self._slugify(previous_goal)
-            context.append(BeliefLiteral(f"achieved_{prev_slug}"))
-
-        body_actions = []
-        sub_goals_to_process = []
-
-        for step in goal.plan.steps:
-            if isinstance(step, Goal):
-                sub_slug = self._slugify(step)
-                body_actions.append(ActionLiteral(f"!{sub_slug}"))
-                sub_goals_to_process.append(step)
-            elif isinstance(step, SpeechAction):
-                body_actions.append(ActionLiteral(f'.say("{step.text}")'))
-            elif isinstance(step, GestureAction):
-                body_actions.append(ActionLiteral(f'.gesture("{step.gesture}")'))
-            elif isinstance(step, LLMAction):
-                body_actions.append(ActionLiteral(f'!generate_response_with_goal("{step.goal}")'))
-
-        # Mark achievement
-        if not goal.can_fail:
-            body_actions.append(ActionLiteral(f"+achieved_{goal_slug}"))
-
-        asl.plans.append(Plan(trigger=GoalLiteral(goal_slug), context=context, body=body_actions))
-        asl.plans.append(
-            Plan(trigger=GoalLiteral(goal_slug), context=[], body=[ActionLiteral("true")])
-        )
-
-        prev_sub = None
-        for sub_goal in sub_goals_to_process:
-            self._generate_goal_plan_recursive(sub_goal, phase_id, prev_sub, asl)
-            prev_sub = sub_goal
-
-    # --- Section: Triggers ---
-
-    def _generate_triggers(self, phase: Phase, asl: AgentSpeakFile):
-        for keyword in self._get_keyword_conditionals(phase):
-            asl.plans.append(
-                Plan(
-                    trigger=GoalLiteral(f"check_{self._slugify_str(keyword)}"),
-                    context=[
-                        ActionLiteral(
-                            f'user_said(Message) & .substring("{keyword}", Message, Pos) & Pos >= 0'
-                        )
-                    ],
-                    body=[
-                        ActionLiteral(f'+keyword_said("{keyword}")'),
-                        ActionLiteral(f'-keyword_said("{keyword}")'),
-                    ],
-                )
-            )
-            asl.plans.append(
-                Plan(
-                    trigger=GoalLiteral(f"check_{self._slugify_str(keyword)}"),
-                    body=[ActionLiteral("true")],
-                )
-            )
-
-        for trigger in phase.triggers:
-            self._ensure_belief_inference(trigger.condition, asl)
-
-            trigger_belief_slug = self._belief_to_expr(trigger.condition)
-
-            body_actions = []
-            sub_goals = []
-
-            for step in trigger.plan.steps:
-                if isinstance(step, Goal):
-                    sub_slug = self._slugify(step)
-                    body_actions.append(ActionLiteral(f"!{sub_slug}"))
-                    sub_goals.append(step)
-                elif isinstance(step, SpeechAction):
-                    body_actions.append(ActionLiteral(f'.say("{step.text}")'))
-                elif isinstance(step, GestureAction):
-                    body_actions.append(
-                        ActionLiteral(f'.gesture("{step.gesture.type}", "{step.gesture.name}")')
-                    )
-                elif isinstance(step, LLMAction):
-                    body_actions.append(
-                        ActionLiteral(f'!generate_response_with_goal("{step.goal}")')
-                    )
-
-            asl.plans.append(
-                Plan(
-                    trigger=BeliefLiteral(trigger_belief_slug),
-                    context=[BeliefLiteral("phase", [f'"{phase.id}"'])],
-                    body=body_actions,
-                )
-            )
-
-            # Recurse for triggered goals
-            prev_sub = None
-            for sub_goal in sub_goals:
-                self._generate_goal_plan_recursive(
-                    sub_goal, str(phase.id), prev_sub, asl, False, False
-                )
-                prev_sub = sub_goal
-
-    # --- Section: Fallbacks ---
-
-    def _generate_fallbacks(self, program: Program, asl: AgentSpeakFile):
-        asl.plans.append(
-            Plan(trigger=GoalLiteral("transition_phase"), context=[], body=[ActionLiteral("true")])
-        )
-
-    # --- Helpers ---
-
-    @singledispatchmethod
-    def _slugify(self, element: ProgramElement) -> str:
-        if element.name:
-            raise NotImplementedError("Cannot slugify this element.")
-        return self._slugify_str(element.name)
-
-    @_slugify.register
-    def _(self, goal: Goal) -> str:
-        if goal.name:
-            return self._slugify_str(goal.name)
-        return f"goal_{goal.id.hex}"
-
-    @_slugify.register
-    def _(self, kwb: KeywordBelief) -> str:
-        return f"keyword_said({kwb.keyword})"
-
-    @_slugify.register
-    def _(self, sb: SemanticBelief) -> str:
-        return self._slugify_str(sb.description)
-
-    @_slugify.register
-    def _(self, ib: InferredBelief) -> str:
-        return self._slugify_str(ib.name)
-
-    def _slugify_str(self, text: str) -> str:
-        return slugify(text, separator="_", stopwords=["a", "an", "the", "we", "you", "I"])
-
-    def _extract_basic_beliefs_from_program(self, program: Program) -> list[BasicBelief]:
-        beliefs = []
-
-        for phase in program.phases:
-            beliefs.extend(self._extract_basic_beliefs_from_phase(phase))
-
-        return beliefs
-
-    def _extract_basic_beliefs_from_phase(self, phase: Phase) -> list[BasicBelief]:
-        beliefs = []
-
-        for norm in phase.norms:
-            if isinstance(norm, ConditionalNorm):
-                beliefs += self._extract_basic_beliefs_from_belief(norm.condition)
-
-        for trigger in phase.triggers:
-            beliefs += self._extract_basic_beliefs_from_belief(trigger.condition)
-
-        return beliefs
-
-    def _extract_basic_beliefs_from_belief(self, belief: Belief) -> list[BasicBelief]:
-        if isinstance(belief, InferredBelief):
-            return self._extract_basic_beliefs_from_belief(
-                belief.left
-            ) + self._extract_basic_beliefs_from_belief(belief.right)
-        return [belief]
-
-
-if __name__ == "__main__":
-    asyncio.run(do_things())
-    # do_other_things()y

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
 
@@ -13,7 +14,7 @@ from control_backend.core.agent_system import InternalMessage
 from control_backend.core.config import settings
 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
 
@@ -100,14 +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:
@@ -155,6 +154,20 @@ 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)
+
+                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):
         """
@@ -201,6 +214,22 @@ 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)}")
@@ -253,6 +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
@@ -261,16 +327,13 @@ class BDICoreAgent(BaseAgent):
         """
 
         @self.actions.add(".reply", 2)
-        def _reply(agent: "BDICoreAgent", term, intention):
+        def _reply(agent, term, intention):
             """
             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)
 
-            self.logger.debug("Norms: %s", norms)
-            self.logger.debug("User text: %s", message_text)
-
             self.add_behavior(self._send_to_llm(str(message_text), str(norms), ""))
             yield
 
@@ -283,18 +346,24 @@ class BDICoreAgent(BaseAgent):
             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.logger.debug(
-                '"reply_with_goal" action called with message=%s, norms=%s, goal=%s',
-                message_text,
-                norms,
-                goal,
-            )
             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: "BDICoreAgent", term, intention):
+        def _say(agent, term, intention):
             """
             Make the robot say the given text instantly.
             """
@@ -308,12 +377,21 @@ class BDICoreAgent(BaseAgent):
                 sender=settings.agent_settings.bdi_core_name,
                 body=speech_command.model_dump_json(),
             )
-            # TODO: add to conversation history
+
             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: "BDICoreAgent", term, intention):
+        def _gesture(agent, term, intention):
             """
             Make the robot perform the given gesture instantly.
             """
@@ -326,15 +404,118 @@ class BDICoreAgent(BaseAgent):
                 gesture_name,
             )
 
-            # gesture = Gesture(type=gesture_type, name=gesture_name)
-            # gesture_message = InternalMessage(
-            #     to=settings.agent_settings.robot_gesture_name,
-            #     sender=settings.agent_settings.bdi_core_name,
-            #     body=gesture.model_dump_json(),
-            # )
-            # asyncio.create_task(agent.send(gesture_message))
+            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.
@@ -344,6 +525,7 @@ class BDICoreAgent(BaseAgent):
             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)

src/control_backend/agents/bdi/bdi_program_manager.py

@@ -1,4 +1,5 @@
 import asyncio
+import json
 
 import zmq
 from pydantic import ValidationError
@@ -9,7 +10,14 @@ from control_backend.agents.bdi.agentspeak_generator import AgentSpeakGenerator
 from control_backend.core.config import settings
 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, Program
+from control_backend.schemas.program import (
+    Belief,
+    ConditionalNorm,
+    Goal,
+    InferredBelief,
+    Phase,
+    Program,
+)
 
 
 class BDIProgramManager(BaseAgent):
@@ -24,20 +32,30 @@ 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
 
+    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.
         """
@@ -59,34 +77,79 @@ class BDIProgramManager(BaseAgent):
 
         await self.send(msg)
 
-    @staticmethod
-    def _extract_beliefs_from_program(program: Program) -> list[Belief]:
+    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),
+        )
+        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] = []
 
-        def extract_beliefs_from_belief(belief: Belief) -> list[Belief]:
-            if isinstance(belief, InferredBelief):
-                return extract_beliefs_from_belief(belief.left) + extract_beliefs_from_belief(
-                    belief.right
-                )
-            return [belief]
-
-        for phase in program.phases:
-            for norm in phase.norms:
+        for norm in self._phase.norms:
             if isinstance(norm, ConditionalNorm):
-                    beliefs += extract_beliefs_from_belief(norm.condition)
+                beliefs += self._extract_beliefs_from_belief(norm.condition)
 
-            for trigger in phase.triggers:
-                beliefs += extract_beliefs_from_belief(trigger.condition)
+        for trigger in self._phase.triggers:
+            beliefs += self._extract_beliefs_from_belief(trigger.condition)
 
         return beliefs
 
-    async def _send_beliefs_to_semantic_belief_extractor(self, program: Program):
+    @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.
-
-        :param program: The program received from the API.
         """
-        beliefs = BeliefList(beliefs=self._extract_beliefs_from_program(program))
+        beliefs = BeliefList(beliefs=self._extract_current_beliefs())
 
         message = InternalMessage(
             to=settings.agent_settings.text_belief_extractor_name,
@@ -98,35 +161,36 @@ class BDIProgramManager(BaseAgent):
         await self.send(message)
 
     @staticmethod
-    def _extract_goals_from_program(program: Program) -> list[Goal]:
+    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.
 
-        :param program: The program received from the API.
         :return: A list of Goal objects.
         """
         goals: list[Goal] = []
 
-        def extract_goals_from_goal(goal_: Goal) -> list[Goal]:
-            goals_: list[Goal] = [goal]
-            for plan in goal_.plan:
-                if isinstance(plan, Goal):
-                    goals_.extend(extract_goals_from_goal(plan))
-            return goals_
-
-        for phase in program.phases:
-            for goal in phase.goals:
-                goals.extend(extract_goals_from_goal(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, program: Program):
+    async def _send_goals_to_semantic_belief_extractor(self):
         """
-        Extract goals from the program and send them to the Semantic Belief Extractor Agent.
-
-        :param program: The program received from the API.
+        Extract goals for the current phase and send them to the Semantic Belief Extractor Agent.
         """
-        goals = GoalList(goals=self._extract_goals_from_program(program))
+        goals = GoalList(goals=self._extract_current_goals())
 
         message = InternalMessage(
             to=settings.agent_settings.text_belief_extractor_name,
@@ -137,12 +201,53 @@ class BDIProgramManager(BaseAgent):
 
         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)
+
+    async def _send_clear_llm_history(self):
+        """
+        Clear the LLM Agent's conversation history.
+
+        Sends an empty history to the LLM Agent to reset its state.
+        """
+        message = InternalMessage(
+            to=settings.agent_settings.llm_name,
+            body="clear_history",
+        )
+        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.
 
         It listens to the ``program`` topic on the internal ZMQ SUB socket.
         When a program is received, it is validated and forwarded to BDI via :meth:`_send_to_bdi`.
+        Additionally, the LLM history is cleared via :meth:`_send_clear_llm_history`.
         """
         while True:
             topic, body = await self.sub_socket.recv_multipart()
@@ -150,22 +255,43 @@ class BDIProgramManager(BaseAgent):
             try:
                 program = Program.model_validate_json(body)
             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(program),
-                self._send_goals_to_semantic_belief_extractor(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/default_behavior.asl

@@ -1,5 +1,34 @@
-norms("").
+phase("end").
+keyword_said(Keyword) :- (user_said(Message) & .substring(Keyword, Message, Pos)) & (Pos >= 0).
 
-+user_said(Message) : norms(Norms) <-
-  -user_said(Message);
+
++!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/text_belief_extractor_agent.py

@@ -12,7 +12,7 @@ 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 Goal, SemanticBelief
+from control_backend.schemas.program import BaseGoal, SemanticBelief
 
 type JSONLike = None | bool | int | float | str | list["JSONLike"] | dict[str, "JSONLike"]
 
@@ -62,6 +62,7 @@ class TextBeliefExtractorAgent(BaseAgent):
         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):
@@ -90,7 +91,7 @@ class TextBeliefExtractorAgent(BaseAgent):
                 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:
-                self._handle_program_manager_message(msg)
+                await self._handle_program_manager_message(msg)
             case _:
                 self.logger.info("Discarding message from %s", sender)
                 return
@@ -105,7 +106,7 @@ class TextBeliefExtractorAgent(BaseAgent):
         length_limit = settings.behaviour_settings.conversation_history_length_limit
         self.conversation.messages = (self.conversation.messages + [message])[-length_limit:]
 
-    def _handle_program_manager_message(self, msg: InternalMessage):
+    async def _handle_program_manager_message(self, msg: InternalMessage):
         """
         Handle a message from the program manager: extract available beliefs and goals from it.
 
@@ -114,15 +115,19 @@ class TextBeliefExtractorAgent(BaseAgent):
         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()
+                    self._reset_phase()
             case _:
                 self.logger.warning("Received unexpected message from %s", msg.sender)
 
-    def _reset(self):
+    def _reset_phase(self):
         self.conversation = ChatHistory(messages=[])
         self.belief_inferrer.available_beliefs.clear()
         self._current_beliefs = BeliefState()
@@ -141,8 +146,9 @@ class TextBeliefExtractorAgent(BaseAgent):
         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.",
+            "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):
@@ -155,13 +161,32 @@ class TextBeliefExtractorAgent(BaseAgent):
             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 = {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.",
+            "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.
@@ -183,6 +208,7 @@ class TextBeliefExtractorAgent(BaseAgent):
 
         new_beliefs = conversation_beliefs - self._current_beliefs
         if not new_beliefs:
+            self.logger.debug("No new beliefs detected.")
             return
 
         self._current_beliefs |= new_beliefs
@@ -217,6 +243,7 @@ class TextBeliefExtractorAgent(BaseAgent):
             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(
@@ -439,7 +466,7 @@ Respond with a JSON similar to the following, but with the property names as giv
 class GoalAchievementInferrer(SemanticBeliefInferrer):
     def __init__(self, llm: TextBeliefExtractorAgent.LLM):
         super().__init__(llm)
-        self.goals = []
+        self.goals: set[BaseGoal] = set()
 
     async def infer_from_conversation(self, conversation: ChatHistory) -> dict[str, bool]:
         """
@@ -459,7 +486,7 @@ class GoalAchievementInferrer(SemanticBeliefInferrer):
             for goal, achieved in zip(self.goals, goals_achieved, strict=True)
         }
 
-    async def _infer_goal(self, conversation: ChatHistory, goal: Goal) -> bool:
+    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?

src/control_backend/agents/communication/ri_communication_agent.py

@@ -3,11 +3,14 @@ import json
 
 import zmq
 import zmq.asyncio as azmq
+from pydantic import ValidationError
 from zmq.asyncio import Context
 
 from control_backend.agents import BaseAgent
 from control_backend.agents.actuation.robot_gesture_agent import RobotGestureAgent
 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
@@ -38,7 +41,7 @@ class RICommunicationAgent(BaseAgent):
     def __init__(
         self,
         name: str,
-        address=settings.zmq_settings.ri_command_address,
+        address=settings.zmq_settings.ri_communication_address,
         bind=False,
     ):
         super().__init__(name)
@@ -47,6 +50,8 @@ 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):
         """
@@ -140,6 +145,7 @@ 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"
@@ -168,7 +174,7 @@ class RICommunicationAgent(BaseAgent):
             bind = port_data["bind"]
 
             if not bind:
-                addr = f"tcp://localhost:{port}"
+                addr = f"tcp://{settings.ri_host}:{port}"
             else:
                 addr = f"tcp://*:{port}"
 
@@ -188,6 +194,7 @@ 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,
@@ -195,6 +202,7 @@ 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()
@@ -225,6 +233,7 @@ 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.
@@ -248,6 +257,7 @@ class RICommunicationAgent(BaseAgent):
                     self._req_socket.recv_json(), timeout=seconds_to_wait_total / 2
                 )
 
+                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.")
@@ -288,13 +298,33 @@ 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

@@ -46,14 +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.")
+            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):
         """
@@ -114,13 +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 = [
             {

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):
@@ -103,12 +110,11 @@ class VADAgent(BaseAgent):
 
         self._connect_audio_in_socket()
 
-        audio_out_port = self._connect_audio_out_socket()
-        if audio_out_port is None:
+        audio_out_address = self._connect_audio_out_socket()
+        if audio_out_address is None:
             self.logger.error("Could not bind output socket, stopping.")
             await self.stop()
             return
-        audio_out_address = f"tcp://localhost:{audio_out_port}"
 
         # Connect to internal communication socket
         self.program_sub_socket = azmq.Context.instance().socket(zmq.SUB)
@@ -161,13 +167,14 @@ class VADAgent(BaseAgent):
             self.audio_in_socket.connect(self.audio_in_address)
         self.audio_in_poller = SocketPoller[bytes](self.audio_in_socket)
 
-    def _connect_audio_out_socket(self) -> int | None:
+    def _connect_audio_out_socket(self) -> str | None:
         """
-        Returns the port bound, or None if binding failed.
+        Returns the address that was bound to, or None if binding failed.
         """
         try:
             self.audio_out_socket = azmq.Context.instance().socket(zmq.PUB)
-            return self.audio_out_socket.bind_to_random_port("tcp://localhost", max_tries=100)
+            self.audio_out_socket.bind(settings.zmq_settings.vad_pub_address)
+            return settings.zmq_settings.vad_pub_address
         except zmq.ZMQBindError:
             self.logger.error("Failed to bind an audio output socket after 100 tries.")
             self.audio_out_socket = None
@@ -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):
@@ -18,18 +26,45 @@ class UserInterruptAgent(BaseAgent):
 
     - Send a prioritized message to the `RobotSpeechAgent`
     - Send a prioritized gesture to the `RobotGestureAgent`
-    - Send a belief override to the `BDIProgramManager`in order to activate a
+    - Send a belief override to the `BDI Core` in order to activate a
         trigger/conditional norm or complete a goal.
 
     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):
         """
@@ -40,7 +75,11 @@ class UserInterruptAgent(BaseAgent):
         These are the different types and contexts:
         - 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: "override", context: id that belongs to the goal/trigger/conditional norm.
+        - type: "override_unachieve", context: id that belongs to the conditional norm to unachieve.
+        - type: "next_phase", context: None, indicates to the BDI Core to
+        - type: "pause", context: boolean indicating whether to pause
+        - type: "reset_phase", context: None, indicates to the BDI Core to
         """
         while True:
             topic, body = await self.sub_socket.recv_multipart()
@@ -53,31 +92,201 @@ class UserInterruptAgent(BaseAgent):
                 self.logger.error("Received invalid JSON payload on topic %s", topic)
                 continue
 
-            if event_type == "speech":
+            self.logger.debug("Received event type %s", event_type)
+
+            match event_type:
+                case "speech":
                     await self._send_to_speech_agent(event_context)
                     self.logger.info(
                         "Forwarded button press (speech) with context '%s' to RobotSpeechAgent.",
                         event_context,
                     )
-            elif event_type == "gesture":
+                case "gesture":
                     await self._send_to_gesture_agent(event_context)
                     self.logger.info(
                         "Forwarded button press (gesture) with context '%s' to RobotGestureAgent.",
                         event_context,
                     )
-            elif event_type == "override":
-                await self._send_to_program_manager(event_context)
+                case "override":
+                    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 BDIProgramManager.",
+                            "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_belief(asl_cond_norm, "cond_norm")
+                        self.logger.info(
+                            "Forwarded button press (override) with context '%s' to BDI Core.",
+                            event_context,
+                        )
+                    elif asl_goal := self._goal_map.get(ui_id):
+                        await self._send_to_bdi_belief(asl_goal, "goal")
+                        self.logger.info(
+                            "Forwarded button press (override) with context '%s' to BDI Core.",
+                            event_context,
+                        )
+                        # Send achieve_goal to program manager to update semantic belief extractor
+                        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.")
+                case "override_unachieve":
+                    ui_id = str(event_context)
+                    if asl_cond_norm := self._cond_norm_map.get(ui_id):
+                        await self._send_to_bdi_belief(asl_cond_norm, "cond_norm", True)
+                        self.logger.info(
+                            "Forwarded button press (override_unachieve)"
+                            "with context '%s' to BDI Core.",
                             event_context,
                         )
                     else:
+                        self.logger.warning(
+                            "Could not determine which conditional norm to unachieve."
+                        )
+
+                case "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.")
+
+                case "next_phase" | "reset_phase":
+                    await self._send_experiment_control_to_bdi_core(event_type)
+                case _:
                     self.logger.warning(
                         "Received button press with unknown type '%s' (context: '%s').",
                         event_type,
                         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}
+                    await self._send_experiment_update(payload)
+                    self.logger.info(f"UI Update: Goal {goal_name} started (ID: {ui_id})")
+            case "active_norms_update":
+                active_norms_asl = [
+                    s.strip("() '\",") for s in msg.body.split(",") if s.strip("() '\",")
+                ]
+                await self._broadcast_cond_norms(active_norms_asl)
+            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, "active": is_active})
+
+        payload = {"type": "cond_norms_state_update", "norms": updates}
+
+        if self.pub_socket:
+            topic = b"status"
+            body = json.dumps(payload).encode("utf-8")
+            await self.pub_socket.send_multipart([topic, body])
+            # self.logger.info(f"UI Update: Active norms {updates}")
+
+    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 +318,89 @@ 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: str, asl_type: str, unachieve: bool = False):
+        """Send belief to BDI Core"""
+        if asl_type == "goal":
+            belief_name = f"achieved_{asl}"
+        elif asl_type == "cond_norm":
+            belief_name = f"force_{asl}"
+        else:
+            self.logger.warning("Tried to send belief with unknown type")
+        belief = Belief(name=belief_name, arguments=None)
+        self.logger.debug(f"Sending belief to BDI Core: {belief_name}")
+        # Conditional norms are unachieved by removing the belief
+        belief_message = (
+            BeliefMessage(delete=[belief]) if unachieve else 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 _:
+                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,
+
+        if pause == "true":
+            # Send pause to VAD agent
+            vad_message = InternalMessage(
+                to=settings.agent_settings.vad_name,
+                sender=self.name,
+                body="PAUSE",
             )
-
-    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())
+            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 +1,94 @@
+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.error("Client disconnected from experiment stream.")
+                    break
+
+                try:
+                    parts = await asyncio.wait_for(socket.recv_multipart(), timeout=10.0)
+                    _, message = parts
+                    yield f"data: {message.decode().strip()}\n\n"
+                except TimeoutError:
+                    continue
+        finally:
+            socket.close()
+
+    return StreamingResponse(gen(), media_type="text/event-stream")
+
+
+@router.get("/status_stream")
+async def status_stream(request: Request):
+    context = Context.instance()
+    socket = context.socket(zmq.SUB)
+    socket.connect(settings.zmq_settings.internal_sub_address)
+
+    socket.subscribe(b"status")
+
+    async def gen():
+        try:
+            while True:
+                if await request.is_disconnected():
+                    break
+                try:
+                    # Shorter timeout since this is frequent
+                    parts = await asyncio.wait_for(socket.recv_multipart(), timeout=0.5)
+                    _, message = parts
+                    yield f"data: {message.decode().strip()}\n\n"
+                except TimeoutError:
+                    yield ": ping\n\n"  # Keep the connection alive
+                    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

@@ -60,6 +60,9 @@ class BaseAgent(ABC):
         self._tasks: set[asyncio.Task] = set()
         self._running = False
 
+        self._internal_pub_socket: None | azmq.Socket = None
+        self._internal_sub_socket: None | azmq.Socket = None
+
         # Register immediately
         AgentDirectory.register(name, self)
 
@@ -117,7 +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.
 
@@ -130,15 +133,25 @@ class BaseAgent(ABC):
 
         :param message: The message to send.
         """
-        target = AgentDirectory.get(message.to)
+        message.sender = self.name
+        to = message.to
+        receivers = [to] if isinstance(to, str) else to
+
+        for receiver in receivers:
+            target = AgentDirectory.get(receiver)
+
             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/{message.to}".encode()
+                topic = f"internal/{receiver}".encode()
                 body = message.model_dump_json().encode()
                 await self._internal_pub_socket.send_multipart([topic, body])
+                if should_log:
                     self.logger.debug(f"Sent message {message.body} to {message.to} via ZMQ.")
 
     async def _process_inbox(self):
@@ -149,7 +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):

src/control_backend/core/config.py

@@ -1,3 +1,12 @@
+"""
+An exhaustive overview of configurable options. All of these can be set using environment variables
+by nesting with double underscores (__). Start from the ``Settings`` class.
+
+For example, ``settings.ri_host`` becomes ``RI_HOST``, and
+``settings.zmq_settings.ri_communication_address`` becomes
+``ZMQ_SETTINGS__RI_COMMUNICATION_ADDRESS``.
+"""
+
 from pydantic import BaseModel
 from pydantic_settings import BaseSettings, SettingsConfigDict
 
@@ -8,16 +17,17 @@ class ZMQSettings(BaseModel):
 
     :ivar internal_pub_address: Address for the internal PUB socket.
     :ivar internal_sub_address: Address for the internal SUB socket.
-    :ivar ri_command_address: Address for sending commands to the Robot Interface.
-    :ivar ri_communication_address: Address for receiving communication from the Robot Interface.
-    :ivar vad_agent_address: Address for the Voice Activity Detection (VAD) agent.
+    :ivar ri_communication_address: Address for the endpoint that the Robot Interface connects to.
+    :ivar vad_pub_address: Address that the VAD agent binds to and publishes audio segments to.
     """
 
+    # ATTENTION: When adding/removing settings, make sure to update the .env.example file
+
     internal_pub_address: str = "tcp://localhost:5560"
     internal_sub_address: str = "tcp://localhost:5561"
-    ri_command_address: str = "tcp://localhost:0000"
     ri_communication_address: str = "tcp://*:5555"
     internal_gesture_rep_adress: str = "tcp://localhost:7788"
+    vad_pub_address: str = "inproc://vad_stream"
 
 
 class AgentSettings(BaseModel):
@@ -36,6 +46,8 @@ class AgentSettings(BaseModel):
     :ivar robot_speech_name: Name of the Robot Speech Agent.
     """
 
+    # ATTENTION: When adding/removing settings, make sure to update the .env.example file
+
     # agent names
     bdi_core_name: str = "bdi_core_agent"
     bdi_belief_collector_name: str = "belief_collector_agent"
@@ -61,6 +73,7 @@ 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.
@@ -68,6 +81,8 @@ class BehaviourSettings(BaseModel):
     :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
+
     sleep_s: float = 1.0
     comm_setup_max_retries: int = 5
     socket_poller_timeout_ms: int = 100
@@ -75,7 +90,8 @@ 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
@@ -99,6 +115,8 @@ class LLMSettings(BaseModel):
     :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
@@ -115,6 +133,8 @@ class VADSettings(BaseModel):
     :ivar sample_rate_hz: Sample rate in Hz for the VAD model.
     """
 
+    # ATTENTION: When adding/removing settings, make sure to update the .env.example file
+
     repo_or_dir: str = "snakers4/silero-vad"
     model_name: str = "silero_vad"
     sample_rate_hz: int = 16000
@@ -128,6 +148,8 @@ class SpeechModelSettings(BaseModel):
     :ivar openai_model_name: Model name for OpenAI-based speech recognition.
     """
 
+    # ATTENTION: When adding/removing settings, make sure to update the .env.example file
+
     # model identifiers for speech recognition
     mlx_model_name: str = "mlx-community/whisper-small.en-mlx"
     openai_model_name: str = "small.en"
@@ -139,6 +161,7 @@ class Settings(BaseSettings):
 
     :ivar app_title: Title of the application.
     :ivar ui_url: URL of the frontend UI.
+    :ivar ri_host: The hostname of the Robot Interface.
     :ivar zmq_settings: ZMQ configuration.
     :ivar agent_settings: Agent name configuration.
     :ivar behaviour_settings: Behavior configuration.
@@ -151,6 +174,8 @@ class Settings(BaseSettings):
 
     ui_url: str = "http://localhost:5173"
 
+    ri_host: str = "localhost"
+
     zmq_settings: ZMQSettings = ZMQSettings()
 
     agent_settings: AgentSettings = AgentSettings()

src/control_backend/schemas/belief_list.py

@@ -1,7 +1,7 @@
 from pydantic import BaseModel
 
+from control_backend.schemas.program import BaseGoal
 from control_backend.schemas.program import Belief as ProgramBelief
-from control_backend.schemas.program import Goal
 
 
 class BeliefList(BaseModel):
@@ -16,4 +16,4 @@ class BeliefList(BaseModel):
 
 
 class GoalList(BaseModel):
-    goals: list[Goal]
+    goals: list[BaseGoal]

src/control_backend/schemas/belief_message.py

@@ -11,7 +11,7 @@ class Belief(BaseModel):
     """
 
     name: str
-    arguments: list[str] | None
+    arguments: list[str] | None = None
 
     # To make it hashable
     model_config = {"frozen": True}

src/control_backend/schemas/internal_message.py

@@ -1,3 +1,5 @@
+from collections.abc import Iterable
+
 from pydantic import BaseModel
 
 
@@ -11,7 +13,7 @@ class InternalMessage(BaseModel):
     :ivar thread: An optional thread identifier/topic to categorize the message (e.g., 'beliefs').
     """
 
-    to: str
-    sender: str
+    to: str | Iterable[str]
+    sender: str | None = None
     body: str
     thread: str | None = None

src/control_backend/schemas/program.py

@@ -15,6 +15,9 @@ class ProgramElement(BaseModel):
     name: str
     id: UUID4
 
+    # To make program elements hashable
+    model_config = {"frozen": True}
+
 
 class LogicalOperator(Enum):
     AND = "AND"
@@ -105,23 +108,33 @@ class Plan(ProgramElement):
     steps: list[PlanElement]
 
 
-class Goal(ProgramElement):
+class BaseGoal(ProgramElement):
     """
-    Represents an objective to be achieved. To reach the goal, we should execute
-    the corresponding plan. If we can fail to achieve a goal after executing the plan,
-    for example when the achieving of the goal is dependent on the user's reply, this means
-    that the achieved status will be set from somewhere else in the program.
+    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 plan: The plan to execute.
     :ivar can_fail: Whether we can fail to achieve the goal after executing the plan.
     """
 
     description: str = ""
-    plan: Plan
     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
 
 
@@ -180,7 +193,6 @@ class Trigger(ProgramElement):
     :ivar plan: The plan to execute.
     """
 
-    name: str = ""
     condition: Belief
     plan: Plan
 

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

test/integration/agents/perception/vad_agent/test_vad_agent.py

@@ -91,7 +91,7 @@ def test_out_socket_creation(zmq_context):
     assert per_vad_agent.audio_out_socket is not None
 
     zmq_context.return_value.socket.assert_called_once_with(zmq.PUB)
-    zmq_context.return_value.socket.return_value.bind_to_random_port.assert_called_once()
+    zmq_context.return_value.socket.return_value.bind.assert_called_once_with("inproc://vad_stream")
 
 
 @pytest.mark.asyncio

test/unit/agents/actuation/test_robot_gesture_agent.py

@@ -73,7 +73,7 @@ async def test_setup_connect(zmq_context, mocker):
 async def test_handle_message_sends_valid_gesture_command():
     """Internal message with valid gesture tag is forwarded to robot pub socket."""
     pubsocket = AsyncMock()
-    agent = RobotGestureAgent("robot_gesture", gesture_data=["hello", "yes", "no"])
+    agent = RobotGestureAgent("robot_gesture", gesture_data=["hello", "yes", "no"], address="")
     agent.pubsocket = pubsocket
 
     payload = {
@@ -91,7 +91,7 @@ async def test_handle_message_sends_valid_gesture_command():
 async def test_handle_message_sends_non_gesture_command():
     """Internal message with non-gesture endpoint is not forwarded by this agent."""
     pubsocket = AsyncMock()
-    agent = RobotGestureAgent("robot_gesture", gesture_data=["hello", "yes", "no"])
+    agent = RobotGestureAgent("robot_gesture", gesture_data=["hello", "yes", "no"], address="")
     agent.pubsocket = pubsocket
 
     payload = {"endpoint": "some_other_endpoint", "data": "invalid_tag_not_in_list"}
@@ -107,7 +107,7 @@ async def test_handle_message_sends_non_gesture_command():
 async def test_handle_message_rejects_invalid_gesture_tag():
     """Internal message with invalid gesture tag is not forwarded."""
     pubsocket = AsyncMock()
-    agent = RobotGestureAgent("robot_gesture", gesture_data=["hello", "yes", "no"])
+    agent = RobotGestureAgent("robot_gesture", gesture_data=["hello", "yes", "no"], address="")
     agent.pubsocket = pubsocket
 
     # Use a tag that's not in gesture_data
@@ -123,7 +123,7 @@ async def test_handle_message_rejects_invalid_gesture_tag():
 async def test_handle_message_invalid_payload():
     """Invalid payload is caught and does not send."""
     pubsocket = AsyncMock()
-    agent = RobotGestureAgent("robot_gesture", gesture_data=["hello", "yes", "no"])
+    agent = RobotGestureAgent("robot_gesture", gesture_data=["hello", "yes", "no"], address="")
     agent.pubsocket = pubsocket
 
     msg = InternalMessage(to="robot", sender="tester", body=json.dumps({"bad": "data"}))
@@ -142,12 +142,12 @@ async def test_zmq_command_loop_valid_gesture_payload():
     async def recv_once():
         # stop after first iteration
         agent._running = False
-        return (b"command", json.dumps(command).encode("utf-8"))
+        return b"command", json.dumps(command).encode("utf-8")
 
     fake_socket.recv_multipart = recv_once
     fake_socket.send_json = AsyncMock()
 
-    agent = RobotGestureAgent("robot_gesture", gesture_data=["hello", "yes", "no"])
+    agent = RobotGestureAgent("robot_gesture", gesture_data=["hello", "yes", "no"], address="")
     agent.subsocket = fake_socket
     agent.pubsocket = fake_socket
     agent._running = True
@@ -165,12 +165,12 @@ async def test_zmq_command_loop_valid_non_gesture_payload():
 
     async def recv_once():
         agent._running = False
-        return (b"command", json.dumps(command).encode("utf-8"))
+        return b"command", json.dumps(command).encode("utf-8")
 
     fake_socket.recv_multipart = recv_once
     fake_socket.send_json = AsyncMock()
 
-    agent = RobotGestureAgent("robot_gesture", gesture_data=["hello", "yes", "no"])
+    agent = RobotGestureAgent("robot_gesture", gesture_data=["hello", "yes", "no"], address="")
     agent.subsocket = fake_socket
     agent.pubsocket = fake_socket
     agent._running = True
@@ -188,12 +188,12 @@ async def test_zmq_command_loop_invalid_gesture_tag():
 
     async def recv_once():
         agent._running = False
-        return (b"command", json.dumps(command).encode("utf-8"))
+        return b"command", json.dumps(command).encode("utf-8")
 
     fake_socket.recv_multipart = recv_once
     fake_socket.send_json = AsyncMock()
 
-    agent = RobotGestureAgent("robot_gesture", gesture_data=["hello", "yes", "no"])
+    agent = RobotGestureAgent("robot_gesture", gesture_data=["hello", "yes", "no"], address="")
     agent.subsocket = fake_socket
     agent.pubsocket = fake_socket
     agent._running = True
@@ -210,12 +210,12 @@ async def test_zmq_command_loop_invalid_json():
 
     async def recv_once():
         agent._running = False
-        return (b"command", b"{not_json}")
+        return b"command", b"{not_json}"
 
     fake_socket.recv_multipart = recv_once
     fake_socket.send_json = AsyncMock()
 
-    agent = RobotGestureAgent("robot_gesture", gesture_data=["hello", "yes", "no"])
+    agent = RobotGestureAgent("robot_gesture", gesture_data=["hello", "yes", "no"], address="")
     agent.subsocket = fake_socket
     agent.pubsocket = fake_socket
     agent._running = True
@@ -232,12 +232,12 @@ async def test_zmq_command_loop_ignores_send_gestures_topic():
 
     async def recv_once():
         agent._running = False
-        return (b"send_gestures", b"{}")
+        return b"send_gestures", b"{}"
 
     fake_socket.recv_multipart = recv_once
     fake_socket.send_json = AsyncMock()
 
-    agent = RobotGestureAgent("robot_gesture", gesture_data=["hello", "yes", "no"])
+    agent = RobotGestureAgent("robot_gesture", gesture_data=["hello", "yes", "no"], address="")
     agent.subsocket = fake_socket
     agent.pubsocket = fake_socket
     agent._running = True
@@ -259,7 +259,9 @@ async def test_fetch_gestures_loop_without_amount():
     fake_repsocket.recv = recv_once
     fake_repsocket.send = AsyncMock()
 
-    agent = RobotGestureAgent("robot_gesture", gesture_data=["hello", "yes", "no", "wave", "point"])
+    agent = RobotGestureAgent(
+        "robot_gesture", gesture_data=["hello", "yes", "no", "wave", "point"], address=""
+    )
     agent.repsocket = fake_repsocket
     agent._running = True
 
@@ -287,7 +289,9 @@ async def test_fetch_gestures_loop_with_amount():
     fake_repsocket.recv = recv_once
     fake_repsocket.send = AsyncMock()
 
-    agent = RobotGestureAgent("robot_gesture", gesture_data=["hello", "yes", "no", "wave", "point"])
+    agent = RobotGestureAgent(
+        "robot_gesture", gesture_data=["hello", "yes", "no", "wave", "point"], address=""
+    )
     agent.repsocket = fake_repsocket
     agent._running = True
 
@@ -315,7 +319,7 @@ async def test_fetch_gestures_loop_with_integer_request():
     fake_repsocket.recv = recv_once
     fake_repsocket.send = AsyncMock()
 
-    agent = RobotGestureAgent("robot_gesture", gesture_data=["hello", "yes", "no"])
+    agent = RobotGestureAgent("robot_gesture", gesture_data=["hello", "yes", "no"], address="")
     agent.repsocket = fake_repsocket
     agent._running = True
 
@@ -340,7 +344,7 @@ async def test_fetch_gestures_loop_with_invalid_json():
     fake_repsocket.recv = recv_once
     fake_repsocket.send = AsyncMock()
 
-    agent = RobotGestureAgent("robot_gesture", gesture_data=["hello", "yes", "no"])
+    agent = RobotGestureAgent("robot_gesture", gesture_data=["hello", "yes", "no"], address="")
     agent.repsocket = fake_repsocket
     agent._running = True
 
@@ -365,7 +369,7 @@ async def test_fetch_gestures_loop_with_non_integer_json():
     fake_repsocket.recv = recv_once
     fake_repsocket.send = AsyncMock()
 
-    agent = RobotGestureAgent("robot_gesture", gesture_data=["hello", "yes", "no"])
+    agent = RobotGestureAgent("robot_gesture", gesture_data=["hello", "yes", "no"], address="")
     agent.repsocket = fake_repsocket
     agent._running = True
 
@@ -381,7 +385,7 @@ async def test_fetch_gestures_loop_with_non_integer_json():
 def test_gesture_data_attribute():
     """Test that gesture_data returns the expected list."""
     gesture_data = ["hello", "yes", "no", "wave"]
-    agent = RobotGestureAgent("robot_gesture", gesture_data=gesture_data)
+    agent = RobotGestureAgent("robot_gesture", gesture_data=gesture_data, address="")
 
     assert agent.gesture_data == gesture_data
     assert isinstance(agent.gesture_data, list)
@@ -398,7 +402,7 @@ async def test_stop_closes_sockets():
     pubsocket = MagicMock()
     subsocket = MagicMock()
     repsocket = MagicMock()
-    agent = RobotGestureAgent("robot_gesture")
+    agent = RobotGestureAgent("robot_gesture", address="")
     agent.pubsocket = pubsocket
     agent.subsocket = subsocket
     agent.repsocket = repsocket
@@ -415,7 +419,7 @@ async def test_stop_closes_sockets():
 async def test_initialization_with_custom_gesture_data():
     """Agent can be initialized with custom gesture data."""
     custom_gestures = ["custom1", "custom2", "custom3"]
-    agent = RobotGestureAgent("robot_gesture", gesture_data=custom_gestures)
+    agent = RobotGestureAgent("robot_gesture", gesture_data=custom_gestures, address="")
 
     assert agent.gesture_data == custom_gestures
 
@@ -432,7 +436,7 @@ async def test_fetch_gestures_loop_handles_exception():
     fake_repsocket.recv = recv_once
     fake_repsocket.send = AsyncMock()
 
-    agent = RobotGestureAgent("robot_gesture", gesture_data=["hello", "yes", "no"])
+    agent = RobotGestureAgent("robot_gesture", gesture_data=["hello", "yes", "no"], address="")
     agent.repsocket = fake_repsocket
     agent.logger = MagicMock()
     agent._running = True

test/unit/agents/bdi/test_bdi_program_manager.py

@@ -80,6 +80,7 @@ async def test_receive_programs_valid_and_invalid():
     manager._internal_pub_socket = AsyncMock()
     manager.sub_socket = sub
     manager._create_agentspeak_and_send_to_bdi = AsyncMock()
+    manager._send_clear_llm_history = AsyncMock()
 
     try:
         # Will give StopAsyncIteration when the predefined `sub.recv_multipart` side-effects run out
@@ -92,3 +93,26 @@ async def test_receive_programs_valid_and_invalid():
     forwarded: Program = manager._create_agentspeak_and_send_to_bdi.await_args[0][0]
     assert forwarded.phases[0].norms[0].name == "N1"
     assert forwarded.phases[0].goals[0].name == "G1"
+
+    # Verify history clear was triggered
+    assert (
+        manager._send_clear_llm_history.await_count == 2
+    )  # first sends program to UserInterrupt, then clears LLM
+
+
+@pytest.mark.asyncio
+async def test_send_clear_llm_history(mock_settings):
+    # Ensure the mock returns a string for the agent name (just like in your LLM tests)
+    mock_settings.agent_settings.llm_agent_name = "llm_agent"
+
+    manager = BDIProgramManager(name="program_manager_test")
+    manager.send = AsyncMock()
+
+    await manager._send_clear_llm_history()
+
+    assert manager.send.await_count == 2
+    msg: InternalMessage = manager.send.await_args_list[0][0][0]
+
+    # Verify the content and recipient
+    assert msg.body == "clear_history"
+    assert msg.to == "llm_agent"

test/unit/agents/bdi/test_text_belief_extractor.py

@@ -6,10 +6,13 @@ import httpx
 import pytest
 
 from control_backend.agents.bdi import TextBeliefExtractorAgent
+from control_backend.agents.bdi.text_belief_extractor_agent import BeliefState
 from control_backend.core.agent_system import InternalMessage
 from control_backend.core.config import settings
 from control_backend.schemas.belief_list import BeliefList
+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 (
     ConditionalNorm,
     KeywordBelief,
@@ -23,10 +26,20 @@ from control_backend.schemas.program import (
 
 
 @pytest.fixture
-def agent():
+def llm():
+    llm = TextBeliefExtractorAgent.LLM(MagicMock(), 4)
+    llm._query_llm = AsyncMock()
+    return llm
+
+
+@pytest.fixture
+def agent(llm):
+    with patch(
+        "control_backend.agents.bdi.text_belief_extractor_agent.TextBeliefExtractorAgent.LLM",
+        return_value=llm,
+    ):
         agent = TextBeliefExtractorAgent("text_belief_agent")
         agent.send = AsyncMock()
-    agent._query_llm = AsyncMock()
         return agent
 
 
@@ -102,24 +115,12 @@ async def test_handle_message_from_transcriber(agent, mock_settings):
 
     agent.send.assert_awaited_once()  # noqa  # `agent.send` has no such property, but we mock it.
     sent: InternalMessage = agent.send.call_args.args[0]  # noqa
-    assert sent.to == mock_settings.agent_settings.bdi_belief_collector_name
+    assert sent.to == mock_settings.agent_settings.bdi_core_name
     assert sent.thread == "beliefs"
-    parsed = json.loads(sent.body)
-    assert parsed == {"beliefs": {"user_said": [transcription]}, "type": "belief_extraction_text"}
-
-
-@pytest.mark.asyncio
-async def test_process_user_said(agent, mock_settings):
-    transcription = "this is a test"
-
-    await agent._user_said(transcription)
-
-    agent.send.assert_awaited_once()  # noqa  # `agent.send` has no such property, but we mock it.
-    sent: InternalMessage = agent.send.call_args.args[0]  # noqa
-    assert sent.to == mock_settings.agent_settings.bdi_belief_collector_name
-    assert sent.thread == "beliefs"
-    parsed = json.loads(sent.body)
-    assert parsed["beliefs"]["user_said"] == [transcription]
+    parsed = BeliefMessage.model_validate_json(sent.body)
+    replaced_last = parsed.replace.pop()
+    assert replaced_last.name == "user_said"
+    assert replaced_last.arguments == [transcription]
 
 
 @pytest.mark.asyncio
@@ -144,46 +145,46 @@ async def test_query_llm():
         "control_backend.agents.bdi.text_belief_extractor_agent.httpx.AsyncClient",
         return_value=mock_async_client,
     ):
-        agent = TextBeliefExtractorAgent("text_belief_agent")
+        llm = TextBeliefExtractorAgent.LLM(MagicMock(), 4)
 
-        res = await agent._query_llm("hello world", {"type": "null"})
+        res = await llm._query_llm("hello world", {"type": "null"})
         # Response content was set as "null", so should be deserialized as None
         assert res is None
 
 
 @pytest.mark.asyncio
-async def test_retry_query_llm_success(agent):
-    agent._query_llm.return_value = None
-    res = await agent._retry_query_llm("hello world", {"type": "null"})
+async def test_retry_query_llm_success(llm):
+    llm._query_llm.return_value = None
+    res = await llm.query("hello world", {"type": "null"})
 
-    agent._query_llm.assert_called_once()
+    llm._query_llm.assert_called_once()
     assert res is None
 
 
 @pytest.mark.asyncio
-async def test_retry_query_llm_success_after_failure(agent):
-    agent._query_llm.side_effect = [KeyError(), "real value"]
-    res = await agent._retry_query_llm("hello world", {"type": "string"})
+async def test_retry_query_llm_success_after_failure(llm):
+    llm._query_llm.side_effect = [KeyError(), "real value"]
+    res = await llm.query("hello world", {"type": "string"})
 
-    assert agent._query_llm.call_count == 2
+    assert llm._query_llm.call_count == 2
     assert res == "real value"
 
 
 @pytest.mark.asyncio
-async def test_retry_query_llm_failures(agent):
-    agent._query_llm.side_effect = [KeyError(), KeyError(), KeyError(), "real value"]
-    res = await agent._retry_query_llm("hello world", {"type": "string"})
+async def test_retry_query_llm_failures(llm):
+    llm._query_llm.side_effect = [KeyError(), KeyError(), KeyError(), "real value"]
+    res = await llm.query("hello world", {"type": "string"})
 
-    assert agent._query_llm.call_count == 3
+    assert llm._query_llm.call_count == 3
     assert res is None
 
 
 @pytest.mark.asyncio
-async def test_retry_query_llm_fail_immediately(agent):
-    agent._query_llm.side_effect = [KeyError(), "real value"]
-    res = await agent._retry_query_llm("hello world", {"type": "string"}, tries=1)
+async def test_retry_query_llm_fail_immediately(llm):
+    llm._query_llm.side_effect = [KeyError(), "real value"]
+    res = await llm.query("hello world", {"type": "string"}, tries=1)
 
-    assert agent._query_llm.call_count == 1
+    assert llm._query_llm.call_count == 1
     assert res is None
 
 
@@ -192,7 +193,7 @@ async def test_extracting_semantic_beliefs(agent):
     """
     The Program Manager sends beliefs to this agent. Test whether the agent handles them correctly.
     """
-    assert len(agent.available_beliefs) == 0
+    assert len(agent.belief_inferrer.available_beliefs) == 0
     beliefs = BeliefList(
         beliefs=[
             KeywordBelief(
@@ -213,26 +214,28 @@ async def test_extracting_semantic_beliefs(agent):
             to=settings.agent_settings.text_belief_extractor_name,
             sender=settings.agent_settings.bdi_program_manager_name,
             body=beliefs.model_dump_json(),
+            thread="beliefs",
         ),
     )
-    assert len(agent.available_beliefs) == 2
+    assert len(agent.belief_inferrer.available_beliefs) == 2
 
 
 @pytest.mark.asyncio
-async def test_handle_invalid_program(agent, sample_program):
-    agent.available_beliefs.append(sample_program.phases[0].norms[0].condition)
-    agent.available_beliefs.append(sample_program.phases[0].triggers[0].condition)
-    assert len(agent.available_beliefs) == 2
+async def test_handle_invalid_beliefs(agent, sample_program):
+    agent.belief_inferrer.available_beliefs.append(sample_program.phases[0].norms[0].condition)
+    agent.belief_inferrer.available_beliefs.append(sample_program.phases[0].triggers[0].condition)
+    assert len(agent.belief_inferrer.available_beliefs) == 2
 
     await agent.handle_message(
         InternalMessage(
             to=settings.agent_settings.text_belief_extractor_name,
             sender=settings.agent_settings.bdi_program_manager_name,
             body=json.dumps({"phases": "Invalid"}),
+            thread="beliefs",
         ),
     )
 
-    assert len(agent.available_beliefs) == 2
+    assert len(agent.belief_inferrer.available_beliefs) == 2
 
 
 @pytest.mark.asyncio
@@ -254,13 +257,13 @@ async def test_handle_robot_response(agent):
 
 
 @pytest.mark.asyncio
-async def test_simulated_real_turn_with_beliefs(agent, sample_program):
+async def test_simulated_real_turn_with_beliefs(agent, llm, sample_program):
     """Test sending user message to extract beliefs from."""
-    agent.available_beliefs.append(sample_program.phases[0].norms[0].condition)
-    agent.available_beliefs.append(sample_program.phases[0].triggers[0].condition)
+    agent.belief_inferrer.available_beliefs.append(sample_program.phases[0].norms[0].condition)
+    agent.belief_inferrer.available_beliefs.append(sample_program.phases[0].triggers[0].condition)
 
     # Send a user message with the belief that there's no more booze
-    agent._query_llm.return_value = {"is_pirate": None, "no_more_booze": True}
+    llm._query_llm.return_value = {"is_pirate": None, "no_more_booze": True}
     assert len(agent.conversation.messages) == 0
     await agent.handle_message(
         InternalMessage(
@@ -275,20 +278,20 @@ async def test_simulated_real_turn_with_beliefs(agent, sample_program):
     assert agent.send.call_count == 2
 
     # First should be the beliefs message
-    message: InternalMessage = agent.send.call_args_list[0].args[0]
+    message: InternalMessage = agent.send.call_args_list[1].args[0]
     beliefs = BeliefMessage.model_validate_json(message.body)
     assert len(beliefs.create) == 1
     assert beliefs.create[0].name == "no_more_booze"
 
 
 @pytest.mark.asyncio
-async def test_simulated_real_turn_no_beliefs(agent, sample_program):
+async def test_simulated_real_turn_no_beliefs(agent, llm, sample_program):
     """Test a user message to extract beliefs from, but no beliefs are formed."""
-    agent.available_beliefs.append(sample_program.phases[0].norms[0].condition)
-    agent.available_beliefs.append(sample_program.phases[0].triggers[0].condition)
+    agent.belief_inferrer.available_beliefs.append(sample_program.phases[0].norms[0].condition)
+    agent.belief_inferrer.available_beliefs.append(sample_program.phases[0].triggers[0].condition)
 
     # Send a user message with no new beliefs
-    agent._query_llm.return_value = {"is_pirate": None, "no_more_booze": None}
+    llm._query_llm.return_value = {"is_pirate": None, "no_more_booze": None}
     await agent.handle_message(
         InternalMessage(
             to=settings.agent_settings.text_belief_extractor_name,
@@ -302,17 +305,17 @@ async def test_simulated_real_turn_no_beliefs(agent, sample_program):
 
 
 @pytest.mark.asyncio
-async def test_simulated_real_turn_no_new_beliefs(agent, sample_program):
+async def test_simulated_real_turn_no_new_beliefs(agent, llm, sample_program):
     """
     Test a user message to extract beliefs from, but no new beliefs are formed because they already
     existed.
     """
-    agent.available_beliefs.append(sample_program.phases[0].norms[0].condition)
-    agent.available_beliefs.append(sample_program.phases[0].triggers[0].condition)
-    agent.beliefs["is_pirate"] = True
+    agent.belief_inferrer.available_beliefs.append(sample_program.phases[0].norms[0].condition)
+    agent.belief_inferrer.available_beliefs.append(sample_program.phases[0].triggers[0].condition)
+    agent._current_beliefs = BeliefState(true={InternalBelief(name="is_pirate", arguments=None)})
 
     # Send a user message with the belief the user is a pirate, still
-    agent._query_llm.return_value = {"is_pirate": True, "no_more_booze": None}
+    llm._query_llm.return_value = {"is_pirate": True, "no_more_booze": None}
     await agent.handle_message(
         InternalMessage(
             to=settings.agent_settings.text_belief_extractor_name,
@@ -326,17 +329,19 @@ async def test_simulated_real_turn_no_new_beliefs(agent, sample_program):
 
 
 @pytest.mark.asyncio
-async def test_simulated_real_turn_remove_belief(agent, sample_program):
+async def test_simulated_real_turn_remove_belief(agent, llm, sample_program):
     """
     Test a user message to extract beliefs from, but an existing belief is determined no longer to
     hold.
     """
-    agent.available_beliefs.append(sample_program.phases[0].norms[0].condition)
-    agent.available_beliefs.append(sample_program.phases[0].triggers[0].condition)
-    agent.beliefs["no_more_booze"] = True
+    agent.belief_inferrer.available_beliefs.append(sample_program.phases[0].norms[0].condition)
+    agent.belief_inferrer.available_beliefs.append(sample_program.phases[0].triggers[0].condition)
+    agent._current_beliefs = BeliefState(
+        true={InternalBelief(name="no_more_booze", arguments=None)},
+    )
 
     # Send a user message with the belief the user is a pirate, still
-    agent._query_llm.return_value = {"is_pirate": None, "no_more_booze": False}
+    llm._query_llm.return_value = {"is_pirate": None, "no_more_booze": False}
     await agent.handle_message(
         InternalMessage(
             to=settings.agent_settings.text_belief_extractor_name,
@@ -349,18 +354,23 @@ async def test_simulated_real_turn_remove_belief(agent, sample_program):
     assert agent.send.call_count == 2
 
     # Agent's current beliefs should've changed
-    assert not agent.beliefs["no_more_booze"]
+    assert any(b.name == "no_more_booze" for b in agent._current_beliefs.false)
 
 
 @pytest.mark.asyncio
-async def test_llm_failure_handling(agent, sample_program):
+async def test_llm_failure_handling(agent, llm, sample_program):
     """
     Check that the agent handles failures gracefully without crashing.
     """
-    agent._query_llm.side_effect = httpx.HTTPError("")
-    agent.available_beliefs.append(sample_program.phases[0].norms[0].condition)
-    agent.available_beliefs.append(sample_program.phases[0].triggers[0].condition)
+    llm._query_llm.side_effect = httpx.HTTPError("")
+    agent.belief_inferrer.available_beliefs.append(sample_program.phases[0].norms[0].condition)
+    agent.belief_inferrer.available_beliefs.append(sample_program.phases[0].triggers[0].condition)
 
-    belief_changes = await agent._infer_turn()
+    belief_changes = await agent.belief_inferrer.infer_from_conversation(
+        ChatHistory(
+            messages=[ChatMessage(role="user", content="Good day!")],
+        ),
+    )
 
-    assert len(belief_changes) == 0
+    assert len(belief_changes.true) == 0
+    assert len(belief_changes.false) == 0

test/unit/agents/llm/test_llm_agent.py

@@ -265,3 +265,23 @@ async def test_stream_query_llm_skips_non_data_lines(mock_httpx_client, mock_set
 
     # Only the valid 'data:' line should yield content
     assert tokens == ["Hi"]
+
+
+@pytest.mark.asyncio
+async def test_clear_history_command(mock_settings):
+    """Test that the 'clear_history' message clears the agent's memory."""
+    # setup LLM to have some history
+    mock_settings.agent_settings.bdi_program_manager_name = "bdi_program_manager_agent"
+    agent = LLMAgent("llm_agent")
+    agent.history = [
+        {"role": "user", "content": "Old conversation context"},
+        {"role": "assistant", "content": "Old response"},
+    ]
+    assert len(agent.history) == 2
+    msg = InternalMessage(
+        to="llm_agent",
+        sender=mock_settings.agent_settings.bdi_program_manager_name,
+        body="clear_history",
+    )
+    await agent.handle_message(msg)
+    assert len(agent.history) == 0

test/unit/agents/perception/vad_agent/test_vad_streaming.py

@@ -7,6 +7,15 @@ import zmq
 from control_backend.agents.perception.vad_agent import VADAgent
 
 
+# We don't want to use real ZMQ in unit tests, for example because it can give errors when sockets
+# aren't closed properly.
+@pytest.fixture(autouse=True)
+def mock_zmq():
+    with patch("zmq.asyncio.Context") as mock:
+        mock.instance.return_value = MagicMock()
+        yield mock
+
+
 @pytest.fixture
 def audio_out_socket():
     return AsyncMock()
@@ -140,12 +149,10 @@ async def test_vad_model_load_failure_stops_agent(vad_agent):
         # Patch stop to an AsyncMock so we can check it was awaited
         vad_agent.stop = AsyncMock()
 
-        result = await vad_agent.setup()
+        await vad_agent.setup()
 
         # Assert stop was called
         vad_agent.stop.assert_awaited_once()
-        # Assert setup returned None
-        assert result is None
 
 
 @pytest.mark.asyncio
@@ -155,7 +162,7 @@ async def test_audio_out_bind_failure_sets_none_and_logs(vad_agent, caplog):
     audio_out_socket is set to None, None is returned, and an error is logged.
     """
     mock_socket = MagicMock()
-    mock_socket.bind_to_random_port.side_effect = zmq.ZMQBindError()
+    mock_socket.bind.side_effect = zmq.ZMQBindError()
     with patch("control_backend.agents.perception.vad_agent.azmq.Context.instance") as mock_ctx:
         mock_ctx.return_value.socket.return_value = mock_socket
 

test/unit/core/test_agent_system.py

@@ -99,12 +99,75 @@ async def test_send_to_local_agent(monkeypatch):
     # Patch inbox.put
     target.inbox.put = AsyncMock()
 
-    message = InternalMessage(to="receiver", sender="sender", body="hello")
+    message = InternalMessage(to=target.name, sender=sender.name, body="hello")
 
     await sender.send(message)
 
     target.inbox.put.assert_awaited_once_with(message)
-    sender.logger.debug.assert_called_once()
+
+
+@pytest.mark.asyncio
+async def test_send_to_zmq_agent(monkeypatch):
+    sender = DummyAgent("sender")
+    target = "remote_receiver"
+
+    # Fake logger
+    sender.logger = MagicMock()
+
+    # Fake zmq
+    sender._internal_pub_socket = AsyncMock()
+
+    message = InternalMessage(to=target, sender=sender.name, body="hello")
+
+    await sender.send(message)
+
+    zmq_calls = sender._internal_pub_socket.send_multipart.call_args[0][0]
+    assert zmq_calls[0] == f"internal/{target}".encode()
+
+
+@pytest.mark.asyncio
+async def test_send_to_multiple_local_agents(monkeypatch):
+    sender = DummyAgent("sender")
+    target1 = DummyAgent("receiver1")
+    target2 = DummyAgent("receiver2")
+
+    # Fake logger
+    sender.logger = MagicMock()
+
+    # Patch inbox.put
+    target1.inbox.put = AsyncMock()
+    target2.inbox.put = AsyncMock()
+
+    message = InternalMessage(to=[target1.name, target2.name], sender=sender.name, body="hello")
+
+    await sender.send(message)
+
+    target1.inbox.put.assert_awaited_once_with(message)
+    target2.inbox.put.assert_awaited_once_with(message)
+
+
+@pytest.mark.asyncio
+async def test_send_to_multiple_agents(monkeypatch):
+    sender = DummyAgent("sender")
+    target1 = DummyAgent("receiver1")
+    target2 = "remote_receiver"
+
+    # Fake logger
+    sender.logger = MagicMock()
+
+    # Fake zmq
+    sender._internal_pub_socket = AsyncMock()
+
+    # Patch inbox.put
+    target1.inbox.put = AsyncMock()
+
+    message = InternalMessage(to=[target1.name, target2], sender=sender.name, body="hello")
+
+    await sender.send(message)
+
+    target1.inbox.put.assert_awaited_once_with(message)
+    zmq_calls = sender._internal_pub_socket.send_multipart.call_args[0][0]
+    assert zmq_calls[0] == f"internal/{target2}".encode()
 
 
 @pytest.mark.asyncio