feat(epistemics): record assertions between observations and beliefs
A statement made to a mind is now three things kept apart: the observation that it arrived, an append-only assertion (attributed actor, stance, certainty, modality, negation, reported or quoted speech, hypothetical status, interpretation confidence and notes), and, only for factual assertions, one piece of evidence for a proposition belief attributed to whoever actually stands behind it. Reported speech is attributed to the person reported and weighed as second-hand; hypotheticals, questions and imperatives create no belief; expressed doubt counts against; a possibly sarcastic remark is recorded with low interpretation confidence rather than guessed at. Interpretation is deterministic code; a model may enrich the claim list but never sets stance or confidence. Association no longer treats conversational turns as world events: hypotheticals, questions, requests and consecutive turns by one speaker cannot seed causal hypotheses. Adds internal/epistemics, migration 0018, the assertions API, assertions on belief pages and in belief detail, a shared end-to-end test harness (tests/harness), end-to-end tests for eight speech patterns, and updates the milestone test to the new provenance.
This commit is contained in:
Andy Dixon
@@ -10,6 +10,7 @@ import (
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"github.com/andydixon/noema/internal/beliefs"
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"github.com/andydixon/noema/internal/brain"
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"github.com/andydixon/noema/internal/conversation"
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"github.com/andydixon/noema/internal/epistemics"
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evstore "github.com/andydixon/noema/internal/events"
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"github.com/andydixon/noema/internal/llm"
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"github.com/andydixon/noema/internal/memory"
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@@ -90,27 +91,57 @@ func (h Handlers) perceive(ctx context.Context, c *brain.Cycle, t workspace.Thou
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Evidence: []events.EvidenceRef{{Kind: "memory", ID: string(mem.ID)}, {Kind: "event", ID: srcID, Note: "source"}}, Metadata: map[string]any{"memory_id": mem.ID, "kind": mem.Kind}})
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}
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}
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// Claims become beliefs; the message is their evidence.
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// Every claim is first an assertion: the certain fact that someone took a
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// stance. Only factual assertions (direct or reported) then feed a
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// proposition belief, as one piece of evidence attributed to whoever
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// actually stands behind it; hypotheticals, questions and imperatives
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// never do, and expressed doubt counts against.
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var claimed []BeliefRef
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var asserted []AssertionRef
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if h.Beliefs != nil {
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for _, cl := range a.Claims {
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w := 0.6
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if cl.Certainty == "hedged" {
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w = 0.3
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in := epistemics.Interpret(actor, cl.Proposition)
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if cl.Certainty == "hedged" && in.Certainty == epistemics.CertaintyAsserted {
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in.Certainty = epistemics.CertaintyHedged
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}
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if a.Intent == "correction" {
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w += 0.2
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var beliefID ids.ID
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var res beliefs.Result
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if in.CreatesBelief() {
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w := in.EvidenceWeight()
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if a.Intent == "correction" && !in.Reported {
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w = min(1, w+0.2)
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}
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attributed := in.AttributedTo
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cred := trust.Credibility()
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if in.Reported {
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cred = events.TrustLow.Credibility() + 0.2 // second-hand through a trusted speaker
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}
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ev := []beliefs.EvidenceInput{{Direction: "for", Kind: "assertion", RefID: "", Source: "asserted-by:" + attributed, Weight: w, Credibility: cred,
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Note: describeAssertion(actor, in), Derivation: beliefs.DerivationAssertion, Family: beliefs.FamilyForActor(attributed), RootIDs: []string{srcID}}}
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if dw := in.DoubtWeight(); dw > 0 {
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ev = append(ev, beliefs.EvidenceInput{Direction: "against", Kind: "assertion", Source: "doubted-by:" + actor, Weight: dw, Credibility: trust.Credibility(),
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Note: actor + " doubts it", Derivation: beliefs.DerivationAssertion, Family: beliefs.FamilyForActor(actor), RootIDs: []string{srcID}})
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}
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var err error
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res, err = h.Beliefs.Create(ctx, c.Tx, emitter(c), beliefs.New{MindID: mind.ID, Proposition: in.Proposition, Epistemic: concepts.Claim, Source: "conversation", OriginEvent: perc.ID, Causation: perc.ID, Correlation: c.State.CycleID, Evidence: ev,
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Detail: map[string]any{"attributed_to": attributed, "reported": in.Reported, "interpretation_confidence": in.Confidence}})
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if err != nil {
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c.Emit(events.New{Type: events.Metacognition, Source: "brain.perceive", Summary: "claim not recorded: " + err.Error(), Salience: 0.3, Confidence: 1, Metadata: map[string]any{"check": "claim_rejected"}})
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} else {
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beliefID = res.Belief.ID
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claimed = append(claimed, BeliefRef{ID: res.Belief.ID, Proposition: res.Belief.Proposition, Confidence: res.Belief.Confidence, Status: string(res.Belief.Status)})
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}
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}
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res, err := h.Beliefs.Create(ctx, c.Tx, emitter(c), beliefs.New{MindID: mind.ID, Proposition: cl.Proposition, Epistemic: concepts.Claim, Source: "conversation", OriginEvent: perc.ID, Causation: perc.ID, Correlation: c.State.CycleID,
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Evidence: []beliefs.EvidenceInput{{Direction: "for", Kind: "event", RefID: srcID, Source: "said-by:" + actor, Weight: w, Credibility: trust.Credibility(), Note: actor + " " + cl.Certainty + " it",
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Derivation: beliefs.DerivationAssertion, Family: beliefs.FamilyForActor(actor), RootIDs: []string{srcID}}}})
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if err != nil {
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c.Emit(events.New{Type: events.Metacognition, Source: "brain.perceive", Summary: "claim not recorded: " + err.Error(), Salience: 0.3, Confidence: 1, Metadata: map[string]any{"check": "claim_rejected"}})
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continue
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if h.Assertions != nil {
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rec, err := h.Assertions.Record(ctx, c.Tx, epistemics.New{MindID: mind.ID, Actor: actor, ActorKind: string(trust), Interpretation: in, Subject: subjectKey(in.Proposition), SourceEvent: ids.ID(srcID), ConversationID: ids.ID(convID), MessageID: ids.ID(msgID), Context: truncate(text, 300), Trust: string(trust), BeliefID: beliefID})
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if err != nil {
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return err
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}
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asserted = append(asserted, AssertionRef{ID: rec.ID, AttributedTo: rec.AttributedTo, Proposition: rec.Proposition, Stance: rec.Stance, Modality: rec.Modality, Reported: rec.Reported, Hypothetical: rec.Hypothetical, Interpretation: rec.Interpretation, BeliefID: beliefID})
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}
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claimed = append(claimed, BeliefRef{ID: res.Belief.ID, Proposition: res.Belief.Proposition, Confidence: res.Belief.Confidence, Status: string(res.Belief.Status)})
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}
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}
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_ = asserted
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refs := map[string]ids.ID{"memory": memRef}
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for _, b := range claimed {
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refs["belief"] = b.ID
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@@ -449,3 +480,29 @@ func firstNonEmpty(a, b string) string {
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}
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return b
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}
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// AssertionRef is the response intent's view of a recorded assertion.
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type AssertionRef struct {
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ID ids.ID `json:"id"`
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AttributedTo string `json:"attributed_to"`
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Proposition string `json:"proposition"`
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Stance string `json:"stance"`
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Modality string `json:"modality"`
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Reported bool `json:"reported"`
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Hypothetical bool `json:"hypothetical"`
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Interpretation float64 `json:"interpretation_confidence"`
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BeliefID ids.ID `json:"belief_id,omitempty"`
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}
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// describeAssertion words the evidence note so the belief page says who
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// stood behind the proposition and how the mind read them.
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func describeAssertion(speaker string, in epistemics.Interpretation) string {
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switch {
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case in.Reported && in.Quoted:
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return speaker + " quoted " + in.AttributedTo + " (" + in.Certainty + ")"
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case in.Reported:
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return speaker + " reported that " + in.AttributedTo + " holds this (" + in.Certainty + ", read with " + fmt.Sprintf("%.0f%%", in.Confidence*100) + " interpretation confidence)"
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default:
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return speaker + " " + in.Certainty + " it (read with " + fmt.Sprintf("%.0f%%", in.Confidence*100) + " interpretation confidence)"
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}
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}
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