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feat(epistemics): record assertions between observations and beliefs

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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
2026-08-05 19:22:48 +01:00
parent 0071658c93
commit 9b2521bffd
28 changed files with 1447 additions and 325 deletions
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CHANGELOG.md
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@@ -9,6 +9,9 @@ All notable changes to Noema are recorded here. Format follows Keep a Changelog;
- NUL bytes in any request path, query or body are refused with a 400 at the edge instead of surfacing as a database error.
- Security suite: SQL-injection effect test, static allow-list scan for assembled SQL, deceived-mind authority test, garbage model output test, self-preservation vocabulary test; threat model rewritten so every verification cites a test that asserts the claim.
### Added
- Assertions: every statement made to a mind is recorded first as an append-only assertion (attributed actor, stance, certainty, modality, negation, reported or quoted speech, hypothetical status, interpretation confidence and notes) before, and separately from, any belief about the proposition. Reported speech is attributed to the person reported and weighed as second-hand; hypotheticals, questions and imperatives create no belief; expressed doubt counts against. API `GET /api/v1/minds/{mind}/assertions`, belief pages show who said so. Migration 0018.
### Changed
- Evidence provenance: every evidence row records its derivation, independent-source family and root ids; confidence groups evidence by family so derived material (consolidation, inference, reflection, dreams, retrieval) never counts as corroboration of its own roots and repetition within one source is capped. Existing rows are marked `legacy_unknown` rather than given invented ancestry. Migration 0017.