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feat: add beliefs with evidence-derived confidence, contradictions and corrections

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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.
This commit is contained in:
Andy Dixon
2026-06-21 22:14:12 +01:00
parent 03631e5685
commit 73e5753a91
29 changed files with 2344 additions and 20 deletions
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web/templates/partials/mind_tabs.html
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@@ -3,6 +3,6 @@
<a href="/minds/{{$m.Slug}}" {{if eq $a "overview"}}aria-current="page"{{end}}>Overview</a>
<a href="/minds/{{$m.Slug}}/thoughts" {{if eq $a "thoughts"}}aria-current="page"{{end}}>Thoughts</a>
<a href="/minds/{{$m.Slug}}/personality" {{if eq $a "personality"}}aria-current="page"{{end}}>Personality</a>
<a href="/minds/{{$m.Slug}}/workspace" {{if eq $a "workspace"}}aria-current="page"{{end}}>Workspace</a><a href="/minds/{{$m.Slug}}/memory" {{if eq $a "memory"}}aria-current="page"{{end}}>Memory</a><a class="disabled" title="Phase 6">Beliefs</a><a class="disabled" title="Phase 8">Conversation</a>
<a href="/minds/{{$m.Slug}}/workspace" {{if eq $a "workspace"}}aria-current="page"{{end}}>Workspace</a><a href="/minds/{{$m.Slug}}/memory" {{if eq $a "memory"}}aria-current="page"{{end}}>Memory</a><a href="/minds/{{$m.Slug}}/beliefs" {{if eq $a "beliefs"}}aria-current="page"{{end}}>Beliefs</a><a class="disabled" title="Phase 8">Conversation</a>
</nav>
{{end}}