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feat: add long-term memory systems with fused retrieval and memory explorer

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Phase 5 (ADR-0003). pkg/concepts fixes the epistemic vocabulary
(observation, fact, memory, claim, hypothesis, belief, prediction,
assumption, inference, opinion), memory kinds and relation names.

internal/memory stores episodic, semantic, procedural and
autobiographical memories in one mind-scoped table with trust-derived
credibility, importance, salience and decaying activation. Retrieval
fuses full-text rank (any-term by default), optional pgvector similarity,
recency, activation, importance and credibility, and returns the
component scores so every recall can be explained. Decay lowers
activation and never deletes; retraction and supersession keep rows for
provenance. Relationships are constrained to one mind at insert time.
Embeddings live in a conditional pgvector table keyed by model so vector
spaces are never mixed; without an embedder the system degrades to text
and graph retrieval.

Attention gates encoding: the attend handler turns admitted observations
into episodic memories (operator changes become autobiographical ones)
with memory_created events; the retrieve process proposes recalled
memories as candidates and admitted recalls are reinforced with
memory_retrieved events carrying their scoring components.

Memory explorer UI (search with component breakdown, timeline, filters,
operator knowledge entry), memory detail with provenance, relationships,
citing events and an inaccurate-memory correction; API; noemactl memory
commands; decay and embed-missing background jobs.
This commit is contained in:
Andy Dixon
2026-06-20 23:47:50 +01:00
parent e9c1b25c80
commit 03631e5685
30 changed files with 1957 additions and 25 deletions
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internal/api/api_test.go
+2 -1
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@@ -16,6 +16,7 @@ import (
"github.com/andydixon/noema/internal/brain"
"github.com/andydixon/noema/internal/config"
evstore "github.com/andydixon/noema/internal/events"
"github.com/andydixon/noema/internal/memory"
"github.com/andydixon/noema/internal/minds"
"github.com/andydixon/noema/internal/observability"
"github.com/andydixon/noema/internal/scheduler"
@@ -30,7 +31,7 @@ func testServer(t *testing.T) (*httptest.Server, string) {
cfg.DatabaseURL = "postgres://test"
log := slog.New(slog.DiscardHandler)
deps := app.Deps{Config: cfg, Log: log, DB: pool, Auth: auth.NewService(pool, time.Hour, 2*time.Hour),
Audit: audit.New(pool, log), Metrics: observability.NewMetrics(), Minds: minds.NewStore(pool), Events: evstore.NewStore(pool, evstore.NewBus(50), nil), Migrations: migrations.FS, Started: time.Now()}
Audit: audit.New(pool, log), Metrics: observability.NewMetrics(), Minds: minds.NewStore(pool), Memory: memory.NewStore(context.Background(), pool, nil), Events: evstore.NewStore(pool, evstore.NewBus(50), nil), Migrations: migrations.FS, Started: time.Now()}
ctx := context.Background()
group := scheduler.NewGroup(ctx, log)
t.Cleanup(func() { group.Stop() })