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Andy Dixon 2ac8752bac Phase 14: dreaming as an opt-in, budgeted, non-acting idle mode

- dreaming.Service: deterministic memory replay sample keyed by dream id,
  vocabulary-based association of unlinked memory pairs (similar_to edges +
  dream_association events), speculative hypotheses as hypothesis-kind beliefs
  with two weak memory citations (starts ~0.30, asserted <= 0.35)
- Run marks the context forbidden for capabilities before anything else;
  test proves Invoke refuses inside a dream
- per-mind settings: enabled (default off), hours window (wraps midnight),
  interval, model-call / memory / hypothesis caps; global pause switch
- optional model wording via new `dream` prompt (role hypothesise)
- promotion adds operator evidence, rejection retracts the belief; both
  audited and recorded as operator actions
- migration 0014, API, Dreams tab and page, noemactl dreams, docs/dreaming.md

2026-07-01 21:12:13 +01:00

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Dreaming

Dreaming is an optional idle mode (spec §19). It is off by default. When enabled, and only inside the allowed hours, a mind periodically:

Replays a deterministic sample of recent episodic and semantic memories (the sample is a function of the dream id, so a dream can be replayed).
Associates pairs that share vocabulary (Jaccard within a band, excluding near-duplicates and same-episode pairs) but were never linked. Each new link is a similar_to relationship with low confidence and a dream_association event citing both memories.
Proposes speculative hypotheses for the strongest pairs. Wording is deterministic unless a budgeted model call (role hypothesise, prompt dream) offers a better one. The model never decides truth.

Guarantees

Dreams cannot act. Run marks its context forbidden for the capability layer before doing anything; any Invoke reached from a dream returns ErrForbiddenContext. There is no code path from dreaming to an executor.
Low confidence by construction. Every hypothesis is a belief with epistemic kind hypothesis (prior 0.25) and two memory citations at weight 0.1, giving roughly 0.30. The test suite asserts ≤ 0.35. Confidence can only rise through ordinary evidence.
Nothing is rewritten. Sampled memories are untouched. Rejecting a hypothesis retracts its belief; promoting adds an operator endorsement as evidence, so the arithmetic stays inspectable on the belief page.
Budgeted. Per-mind model-call, memory and hypothesis caps; a global pause switch; scheduled dreams need enabled + hours window + interval elapsed.

Operating

UI: mind → Dreams. Review proposed hypotheses (promote / reject), see dreams with counts, change settings (administrator).
API: GET /api/v1/minds/{mind}/dreams, POST …/dreams/run, POST …/dreams/settings, POST …/dreams/hypotheses/{id}/promote|reject, POST /api/v1/dreams/pause.
CLI: noemactl dreams <mind> list|run|promote <id> [note]|reject <id> [reason].

Settings (CognitiveConfig): dreaming_enabled, dream_hours (HH-HH local, may wrap midnight, blank = any), dream_interval, dream_llm_calls, dream_max_memories, dream_max_hypotheses.

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Dreaming

Guarantees

Operating

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