core/docs/adr/ADR-0150-autonomous-inter-session-contemplation.md
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docs: reorganize docs landscape
Implements the 4-phase documentation reorganization master plan.

- Consolidation: Merged brief/, handoff/, planning/, and decisions/ into briefs/, handoffs/, plans/, and adr/ respectively (101 ADRs relocated)
- Root Cleanup: Relocated HANDOFF-gpt55-*.md and key top-level docs (runtime_contracts.md, etc.) to canonical folders. Added superseded alerts.
- Indices & Navigation: Created docs/README.md navigation document, docs/sessions/README.md index, docs/adr/README.md index
- Note: Also includes prior commit adding ADR-0200+ corpus hygiene governance (ADR-0225, dependency map, backfilled cross-references)
2026-06-30 16:59:36 -07:00

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# ADR-0150 — Autonomous Inter-Session Contemplation
Status: Accepted
Date: 2026-05-25
## Context
ADR-0056 Phase C1 shipped `contemplate()` as a pure function that enriches
DiscoveryCandidate with polarity, evidence, claim_domain, and sub_questions.
It ran inline (opt-in via attach_contemplation) or via CLI batch. Neither path
ran at session boundaries. Engine state (ADR-0146) persists discovery candidates
to disk, but stored candidates were unenriched (raw Phase B output).
## Decision
Run `contemplate()` on pending session candidates at `checkpoint_engine_state()`
before persisting to `engine_state/discovery_candidates.jsonl`. Enriched
candidates (polarity/evidence/claim_domain populated) are stored instead of
raw ones.
Flag: `RuntimeConfig.auto_contemplate = False` (null-drop default).
## Trust boundary
`contemplate()` is read-only w.r.t. corpus, pack, and vault per ADR-0056.
It enriches the in-memory candidate struct only. Nothing is written to any
shared store during enrichment.
## Why checkpoint, not inline
Fresh candidates are produced during the turn and accumulated in
`_pending_candidates`. Contemplation at checkpoint runs after the session
completes, not on the hot turn path. This avoids blocking turn latency.
## Unlocks
W-017: auto-proposal pipeline can filter enriched candidates (polarity,
evidence) to generate TeachingChainProposals.