Andy Dixon
73e5753a91
Phase 6. Beliefs are propositions with a prior set by epistemic kind and a confidence computed from typed evidence: sigmoid(logit(prior) + slope × (support × diversity − opposition)), where support from a single source is discounted so repetition cannot manufacture certainty, and bounds keep the mind away from absolute certainty. Every evaluation stores its breakdown and appends a version row protected by the append-only trigger; the belief page shows the arithmetic, evidence for and against, alternatives, contradictions and history. Contradiction detection is deterministic first (negation plus token overlap): a hit emits contradiction_detected, links both beliefs and makes each counter-evidence for the other so both trend to contested. Operators can assert beliefs (their statement is the evidence), add evidence, mark a belief wrong (pinned rejected, history kept) and forbid an inference; do-not-infer corrections block matching hypotheses. Retracting a memory retracts the evidence that cited it and re-evaluates the beliefs concerned. The associate process proposes low-confidence causal hypotheses from co-occurring notable observations, and the hypothesis handler turns admitted ones into beliefs with automatic alternatives, closing demo scenarios 1 and 2 without any model call.
105 lines
4.7 KiB
SQL
105 lines
4.7 KiB
SQL
-- Beliefs with provenance: evidence for/against, alternatives, append-only
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-- version history, contradiction links and operator corrections.
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CREATE TABLE beliefs (
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id uuid PRIMARY KEY,
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mind_id uuid NOT NULL REFERENCES minds(id),
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proposition text NOT NULL,
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subject text NOT NULL DEFAULT '',
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epistemic text NOT NULL,
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status text NOT NULL CHECK (status IN ('hypothesis','tentative','likely','accepted','contested','rejected','superseded')),
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confidence double precision NOT NULL CHECK (confidence >= 0 AND confidence <= 1),
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prior double precision NOT NULL DEFAULT 0.5,
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version integer NOT NULL DEFAULT 1,
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source text NOT NULL DEFAULT '',
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detail jsonb NOT NULL DEFAULT '{}'::jsonb,
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origin_event uuid,
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superseded_by uuid REFERENCES beliefs(id),
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pinned_status text, -- operator override (e.g. rejected); NULL = derived
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first_created timestamptz NOT NULL DEFAULT now(),
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last_evaluated timestamptz NOT NULL DEFAULT now(),
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evaluations integer NOT NULL DEFAULT 1,
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search tsvector GENERATED ALWAYS AS (to_tsvector('english', proposition)) STORED
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);
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CREATE INDEX beliefs_mind_status_idx ON beliefs (mind_id, status, confidence DESC);
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CREATE INDEX beliefs_mind_subject_idx ON beliefs (mind_id, subject);
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CREATE INDEX beliefs_search_idx ON beliefs USING gin (search);
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CREATE TABLE belief_versions (
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id uuid PRIMARY KEY,
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belief_id uuid NOT NULL REFERENCES beliefs(id),
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mind_id uuid NOT NULL REFERENCES minds(id),
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version integer NOT NULL,
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status text NOT NULL,
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confidence double precision NOT NULL,
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proposition text NOT NULL,
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reason text NOT NULL DEFAULT '',
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breakdown jsonb NOT NULL DEFAULT '{}'::jsonb,
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event_id uuid,
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created_at timestamptz NOT NULL DEFAULT now(),
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UNIQUE (belief_id, version)
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);
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CREATE TRIGGER belief_versions_append_only BEFORE UPDATE OR DELETE ON belief_versions
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FOR EACH ROW EXECUTE FUNCTION noema_forbid_change();
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CREATE TABLE belief_evidence (
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id uuid PRIMARY KEY,
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belief_id uuid NOT NULL REFERENCES beliefs(id),
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mind_id uuid NOT NULL REFERENCES minds(id),
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direction text NOT NULL CHECK (direction IN ('for','against')),
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kind text NOT NULL, -- event | memory | belief | prediction | operator | note
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ref_id text NOT NULL DEFAULT '',
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source text NOT NULL DEFAULT '',
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weight double precision NOT NULL CHECK (weight > 0 AND weight <= 1),
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credibility double precision NOT NULL CHECK (credibility >= 0 AND credibility <= 1),
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note text NOT NULL DEFAULT '',
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event_id uuid,
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retracted boolean NOT NULL DEFAULT false,
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created_at timestamptz NOT NULL DEFAULT now()
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);
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CREATE INDEX belief_evidence_belief_idx ON belief_evidence (belief_id);
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CREATE INDEX belief_evidence_ref_idx ON belief_evidence (kind, ref_id);
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CREATE TABLE belief_alternatives (
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id uuid PRIMARY KEY,
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belief_id uuid NOT NULL REFERENCES beliefs(id),
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mind_id uuid NOT NULL REFERENCES minds(id),
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proposition text NOT NULL,
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confidence double precision NOT NULL DEFAULT 0.2,
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note text NOT NULL DEFAULT '',
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status text NOT NULL DEFAULT 'open' CHECK (status IN ('open','dismissed','promoted')),
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created_at timestamptz NOT NULL DEFAULT now()
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);
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CREATE INDEX belief_alternatives_belief_idx ON belief_alternatives (belief_id);
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CREATE TABLE belief_links (
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id uuid PRIMARY KEY,
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mind_id uuid NOT NULL REFERENCES minds(id),
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from_id uuid NOT NULL REFERENCES beliefs(id),
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to_id uuid NOT NULL REFERENCES beliefs(id),
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relation text NOT NULL, -- contradicts | supports | alternative_to | derived_from
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confidence double precision NOT NULL DEFAULT 0.5,
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event_id uuid,
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created_at timestamptz NOT NULL DEFAULT now(),
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UNIQUE (from_id, to_id, relation)
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);
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CREATE INDEX belief_links_to_idx ON belief_links (to_id);
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-- Operator corrections. Append-only: a correction can be superseded by another
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-- correction but never erased (spec §40).
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CREATE TABLE corrections (
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id uuid PRIMARY KEY,
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mind_id uuid NOT NULL REFERENCES minds(id),
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kind text NOT NULL CHECK (kind IN ('belief_wrong','memory_inaccurate','entities_same','entities_different','do_not_infer')),
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target_kind text NOT NULL DEFAULT '',
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target_id text NOT NULL DEFAULT '',
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statement text NOT NULL DEFAULT '',
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reason text NOT NULL DEFAULT '',
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created_by text NOT NULL DEFAULT '',
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event_id uuid,
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created_at timestamptz NOT NULL DEFAULT now()
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);
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CREATE INDEX corrections_mind_kind_idx ON corrections (mind_id, kind);
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CREATE TRIGGER corrections_append_only BEFORE UPDATE OR DELETE ON corrections
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FOR EACH ROW EXECUTE FUNCTION noema_forbid_change();
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