feat(memory): Acon guidelines provider, session digest, crossover context strategy#2309
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feat(memory): Acon guidelines provider, session digest, crossover context strategy#2309
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…text strategy (#2201, #2289, #2288) Add three memory enhancements to zeph-memory and zeph-core: - guidelines_provider field in CompressionGuidelinesConfig wires the ACON guidelines updater to a named [[llm.providers]] entry; falls back to primary when empty (#2201) - Session digest: SQLite migration 046 adds session_digest table (one row per conversation, upsert via ON CONFLICT DO UPDATE); LLM-based distillation runs at session shutdown and persists key facts + outcomes; digest is injected at context assembly as a fixed top-of-context block before per-turn memory slots; redact_sensitive() applied before storage; config via [memory.digest] block (enabled, provider, max_tokens, max_input_messages); TUI spinner shown during generation (#2289) - Crossover context strategy: ContextStrategy enum (full_history | memory_first | adaptive) added to MemoryConfig; allocate_with_opts() deducts digest tokens before percentage splits; memory_first mode drains conversation history first then inserts memory messages; adaptive switches at crossover_turn_threshold turns (default 20); config via context_strategy and crossover_turn_threshold fields in [memory] (#2288) Closes #2201, #2289, #2288
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Summary
guidelines_providerfield in[memory.compression_guidelines]wires the ACON compression-guidelines updater to a named[[llm.providers]]entry; falls back to primary when emptysession_digestSQLite table (migration 046); injected as a fixed top-of-context block at next session start;redact_sensitive()applied before storage; controlled via[memory.digest]config block; TUI spinner shown during generationContextStrategyenum (full_history|memory_first|adaptive) in[memory];memory_firstdrains conversation history before inserting memory messages;adaptiveswitches atcrossover_turn_thresholdturns; digest budget deducted before percentage splitsTest plan
cargo +nightly fmt --checkpassescargo clippy --workspace --features full -- -D warningspassescargo nextest run --workspace --features full --lib --bins— 6853 passed, 22 skippedON CONFLICT DO UPDATE(not INSERT OR REPLACE) — row ID stable across upsertsMemoryFirstdrain runs before memory message insertion inassembly.rsredact_sensitive()called on digest before SQLite bind insession_digest.rsCloses #2201, #2289, #2288