feat(memory): 记忆整理「试算(dry-run)」入口 + 面板卡(契约 v0.75)
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主人要「现在就想看到在 736 条上它会建议合并哪些」,而不是等 23:00 的低峰首跑。
- 后端:Tidier.DryRun + TidyService.DryRun,**复用同一条扫描→召回→判定→构造候选路径**(抽出 tidyRoundPolicy,生产轮与试算轮只差「候选出口」与「召回降级策略」两处;禁止第二套实现)
- 🔴 零副作用:不写 memory_tidy_candidates / memory_tidy_runs,绝不改 memory_items 任何列;机械证明 = 跑前跑后 cyrene.db 与 -wal 的 SHA256 一致(测试断言「表行数不变」)
- 失败码诚实:500 tidy_unavailable / 409 tidy_disabled / 500 tidy_recall_unavailable(**embedding 不可用不降级成 0 条**)/ 503 tidy_timeout / 500 tidy_dry_run_failed;**空数组唯一含义 = 算过了没建议**
- 端点 POST /api/v1/admin/memories/tidy/dry-run(writeAuth);面板「记忆」页加试算卡(点了才跑、无轮询、三态分开、明写「仅试算,不会改动任何记忆」)
- 真机 e2e(741 条活库副本):76 ms / 15 分区 / 53 候选 / 41 skipped / 1 vetoed(low_confidence);样例 merge reason=fact_subset score=1.0000、link reason=similar_but_not_contained score=0.9248
- 变异:dry-run 顺手写库 ⇒ 两条测试红(行数 0→2);自造阈值 ⇒ 红;失败回 200 空数组 ⇒ 红
- 如实登记:Compared=688 被 400/分区护栏截断、候选上限 20/分区被打满 ⇒ 护栏值需在 741 条量级重定(非 bug)
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AskaEth committed 2026-10-05 22:06:54 +08:00
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package memory
import (
"context"
"errors"
"fmt"
"sort"
"strings"
"testing"
"time"
"git.yeij.top/AskaEth/Cyrene_v2/internal/runtime/embedding"
)
// 本文件锁定记忆整理「试算」(契约 v0.75;切片 MT1)的四条判据:
//
// ① **零副作用**:试算前后 memory_items / memory_tidy_candidates /
// memory_tidy_runs **逐行不变**(这是 dry-run 的命门);
// ② **真复用同一套规则**:同一批数据上,试算候选与真跑一轮落库的候选
// 逐字段一致(不是另一套阈值实现);
// ③ **尊重既有配置上限**:每分区候选上限(CandidateLimit)在试算里同样生效;
// ④ **诚实错误**:语义召回不可用 / 整理被配置关闭时如实报错,绝不回空候选
// 假装「没有建议」。
// failingEmbedder 模拟「语义召回不可用」(例如 llama.cpp :11434 不可达)。
type failingEmbedder struct{ err error }
func (f failingEmbedder) Embed(context.Context, []string) ([]embedding.Vector, error) {
return nil, f.err
}
func (f failingEmbedder) Dim() int { return 8 }
// 三张相关表的**显式列清单**(不用 SELECT *):逐行快照按完整行内容比对,
// 任何一列被改动都会让快照不等。
var (
memoryItemsColumns = []string{
"id", "persona_id", "role_id", "scope", "kind", "content", "tags", "confidence",
"source_conversation", "created_at", "updated_at", "decay_weight", "status",
"merged_into", "merged_from", "merge_count", "occurred_at", "valid_to", "expires_at",
}
tidyCandidateColumns = []string{
"id", "persona_id", "scope", "project_id", "kind", "action", "source_ids", "target_id",
"proposed_content", "merged_content", "reason", "evidence", "rule_version",
"score_min", "score_max", "status", "idempotency_key", "created_at", "decided_at", "decided_by",
}
tidyRunColumns = []string{
"id", "started_at", "finished_at", "scanned", "candidates", "applied", "skipped",
"errors", "vetoed", "veto_reasons", "rule_version",
}
)
// tidyTableSnapshot 是三张表在某一时刻的逐行内容。
type tidyTableSnapshot struct {
items []string
candidates []string
runs []string
}
// dumpTidyTable 把一张表按主键序渲染成字符串行。
func dumpTidyTable(t *testing.T, store *Store, table string, columns []string) []string {
t.Helper()
query := fmt.Sprintf("SELECT %s FROM %s ORDER BY id", strings.Join(columns, ", "), table)
rows, err := store.db.QueryContext(context.Background(), query)
if err != nil {
t.Fatalf("dump %s: %v", table, err)
}
defer func() { _ = rows.Close() }()
out := make([]string, 0)
for rows.Next() {
vals := make([]any, len(columns))
ptrs := make([]any, len(columns))
for i := range vals {
ptrs[i] = &vals[i]
}
if err := rows.Scan(ptrs...); err != nil {
t.Fatalf("scan %s: %v", table, err)
}
parts := make([]string, 0, len(columns))
for i, col := range columns {
parts = append(parts, col+"="+formatCell(vals[i]))
}
out = append(out, strings.Join(parts, "|"))
}
if err := rows.Err(); err != nil {
t.Fatalf("iterate %s: %v", table, err)
}
return out
}
// formatCell 把 scan 出来的值渲染成稳定文本(TEXT 列以 []byte 出现)。
func formatCell(v any) string {
switch got := v.(type) {
case nil:
return "<nil>"
case []byte:
return string(got)
default:
return fmt.Sprintf("%v", got)
}
}
// snapshotTidyTables 拍一张三表快照。
func snapshotTidyTables(t *testing.T, store *Store) tidyTableSnapshot {
t.Helper()
return tidyTableSnapshot{
items: dumpTidyTable(t, store, "memory_items", memoryItemsColumns),
candidates: dumpTidyTable(t, store, "memory_tidy_candidates", tidyCandidateColumns),
runs: dumpTidyTable(t, store, "memory_tidy_runs", tidyRunColumns),
}
}
// assertRowsUnchanged 逐行比对快照:任何一行被新增/删除/改列都会失败。
func assertRowsUnchanged(t *testing.T, what string, before, after []string) {
t.Helper()
if len(before) != len(after) {
t.Fatalf("%s 行数 %d → %d,试算有副作用", what, len(before), len(after))
}
for i := range before {
if before[i] != after[i] {
t.Fatalf("%s 第 %d 行被改动:\n before=%s\n after =%s", what, i, before[i], after[i])
}
}
}
// candidateSignature 把一条候选渲染成与 id/落库时间无关的稳定签名,用于比对
// 「试算候选」与「真跑一轮的候选」是否逐字段一致。
func candidateSignature(c TidyCandidate) string {
return fmt.Sprintf("%s|sources=%s|target=%s|kind=%s|reason=%s|proposed=%q|merged=%q|rule=%s|min=%.6f|max=%.6f",
c.Action, strings.Join(c.SourceIDs, ","), c.TargetID, c.Kind, c.Reason,
c.ProposedContent, c.MergedContent, c.RuleVersion, c.ScoreMin, c.ScoreMax)
}
// sortedSignatures 返回按签名排序的候选集合(消除落库读回的排序差异)。
func sortedSignatures(cands []TidyCandidate) []string {
out := make([]string, 0, len(cands))
for _, c := range cands {
out = append(out, candidateSignature(c))
}
sort.Strings(out)
return out
}
// seedDryRunFixture 落三条记忆:一对必合(短 ⊆ 长)+ 一条一次性事件(走 archive)。
func seedDryRunFixture(t *testing.T, store *Store) {
t.Helper()
base := tidyTestTime(t)
seedTidyItem(t, store, habitItem(fixtureHabitShort, base, 0.9))
seedTidyItem(t, store, habitItem(fixtureHabitLong, base.Add(time.Hour), 0.9))
seedTidyItem(t, store, habitItem(fixtureOneOffEvent, base.Add(2*time.Hour), 0.9))
}
// dryRunFixtureEmbedder 让上述三条恰好产出一 merge + 一 archive。
func dryRunFixtureEmbedder() stubEmbedder {
return stubEmbedder{vecs: map[string]embedding.Vector{
fixtureHabitShort: {1, 0},
fixtureHabitLong: simVector(0.95),
fixtureOneOffEvent: simVector(0.9),
}}
}
// TestTidyDryRun_ZeroSideEffects 是判据 ①:试算跑完之后,memory_items /
// memory_tidy_candidates / memory_tidy_runs **逐行**与跑之前完全一致。
func TestTidyDryRun_ZeroSideEffects(t *testing.T) {
t.Parallel()
ctx := context.Background()
store := newTestStore(t)
seedDryRunFixture(t, store)
before := snapshotTidyTables(t, store)
tr := newTestTidier(t, store, tidyTestCfg(0.80), dryRunFixtureEmbedder())
out, err := tr.DryRun(ctx)
if err != nil {
t.Fatalf("DryRun: %v", err)
}
if len(out.Candidates) == 0 {
t.Fatalf("夹具应当产出候选(否则零副作用断言是空转):%+v", out.Stats)
}
assertRowsUnchanged(t, "memory_items", before.items, snapshotTidyTables(t, store).items)
assertRowsUnchanged(t, "memory_tidy_candidates", before.candidates, snapshotTidyTables(t, store).candidates)
assertRowsUnchanged(t, "memory_tidy_runs", before.runs, snapshotTidyTables(t, store).runs)
}
// TestTidyDryRun_MatchesRealRunCandidates 是判据 ②:试算走的必须是**同一套规则**
// —— 同一批数据上,试算候选与真跑一轮落库的候选逐字段一致。
func TestTidyDryRun_MatchesRealRunCandidates(t *testing.T) {
t.Parallel()
ctx := context.Background()
store := newTestStore(t)
seedDryRunFixture(t, store)
tr := newTestTidier(t, store, tidyTestCfg(0.80), dryRunFixtureEmbedder())
out, err := tr.DryRun(ctx)
if err != nil {
t.Fatalf("DryRun: %v", err)
}
if len(out.Candidates) == 0 {
t.Fatal("夹具应当产出候选")
}
if _, err := tr.RunOnce(ctx); err != nil {
t.Fatalf("RunOnce: %v", err)
}
persisted, err := store.ListTidyCandidates(ctx, "", 100)
if err != nil {
t.Fatalf("ListTidyCandidates: %v", err)
}
want := sortedSignatures(out.Candidates)
got := sortedSignatures(persisted)
if strings.Join(got, "\n") != strings.Join(want, "\n") {
t.Fatalf("试算候选与真跑一轮的候选不一致:\n dry=%v\n real=%v", want, got)
}
}
// TestTidyDryRun_RespectsCandidateLimit 是判据 ③:每分区候选上限(既有配置旋钮)
// 在试算里同样生效,且超出的候选被如实登记(Skipped / Truncated),绝不静默。
func TestTidyDryRun_RespectsCandidateLimit(t *testing.T) {
t.Parallel()
ctx := context.Background()
store := newTestStore(t)
seedDryRunFixture(t, store)
cfg := tidyTestCfg(0.80)
cfg.CandidateLimit = 1
tr := newTestTidier(t, store, cfg, dryRunFixtureEmbedder())
out, err := tr.DryRun(ctx)
if err != nil {
t.Fatalf("DryRun: %v", err)
}
if len(out.Candidates) != cfg.CandidateLimit {
t.Fatalf("候选数 = %d, want %d(必须尊重既有每分区上限)", len(out.Candidates), cfg.CandidateLimit)
}
if out.Stats.Skipped != 1 {
t.Fatalf("超限候选未被如实登记:skipped=%d, want 1", out.Stats.Skipped)
}
if len(out.Stats.Truncated) == 0 {
t.Fatalf("候选上限命中必须留下截断痕迹:%+v", out.Stats)
}
}
// TestTidyDryRun_EmbeddingUnavailableIsHonest 是判据 ④:语义召回不可用时**如实
// 报错**(ErrTidyRecallUnavailable),绝不静默降级成「没有候选」;而生产轮在同样
// 条件下依旧按既有口径回退到词项余弦(试算的严格性只属于试算)。
func TestTidyDryRun_EmbeddingUnavailableIsHonest(t *testing.T) {
t.Parallel()
ctx := context.Background()
store := newTestStore(t)
seedDryRunFixture(t, store)
tr := newTestTidier(t, store, tidyTestCfg(0.80),
failingEmbedder{err: errors.New("dial tcp 127.0.0.1:11434: connectex: 目标计算机积极拒绝")})
before := snapshotTidyTables(t, store)
out, err := tr.DryRun(ctx)
if !errors.Is(err, ErrTidyRecallUnavailable) {
t.Fatalf("DryRun err = %v, want ErrTidyRecallUnavailable", err)
}
if len(out.Candidates) != 0 {
t.Fatalf("召回不可用时不得产出候选:%+v", out.Candidates)
}
assertRowsUnchanged(t, "memory_tidy_candidates", before.candidates, snapshotTidyTables(t, store).candidates)
assertRowsUnchanged(t, "memory_tidy_runs", before.runs, snapshotTidyTables(t, store).runs)
// 生产轮(RunOnce)不受试算的严格性影响:它照旧降级并跑完一轮。
if _, err := tr.RunOnce(ctx); err != nil {
t.Fatalf("生产轮应当回退到词项余弦并可跑完:%v", err)
}
runs, err := store.ListTidyRuns(ctx, 10)
if err != nil {
t.Fatalf("ListTidyRuns: %v", err)
}
if len(runs) != 1 {
t.Fatalf("生产轮留痕 = %d 条, want 1(试算本身不写留痕)", len(runs))
}
}
// TestTidyDryRun_RecallModeMatchesEmbedder 钉住试算报出的召回来源与依赖一致。
func TestTidyDryRun_RecallModeMatchesEmbedder(t *testing.T) {
t.Parallel()
ctx := context.Background()
store := newTestStore(t)
seedDryRunFixture(t, store)
withEmbedder := newTestTidier(t, store, tidyTestCfg(0.80), dryRunFixtureEmbedder())
out, err := withEmbedder.DryRun(ctx)
if err != nil {
t.Fatalf("DryRun(embedder): %v", err)
}
if out.RecallMode != tidyRecallEmbedding {
t.Fatalf("recallMode = %q, want %q", out.RecallMode, tidyRecallEmbedding)
}
withoutEmbedder := newTestTidier(t, store, tidyTestCfg(0.80), nil)
out, err = withoutEmbedder.DryRun(ctx)
if err != nil {
t.Fatalf("DryRun(lexical): %v", err)
}
if out.RecallMode != tidyRecallLexical {
t.Fatalf("recallMode = %q, want %q", out.RecallMode, tidyRecallLexical)
}
}
// TestTidyServiceDryRun_DisabledIsHonest 钉住「配置关闭 ⇒ 诚实错误」:关闭是显式
// 选择,试算不绕过它,也不回一份空候选假装「没有建议」。
func TestTidyServiceDryRun_DisabledIsHonest(t *testing.T) {
t.Parallel()
ctx := context.Background()
store := newTestStore(t)
seedDryRunFixture(t, store)
cfg := tidyTestCfg(0.80)
cfg.Enabled = false
svc := newTidyServiceForTest(t, store, cfg, dryRunFixtureEmbedder(), time.Now, nil)
if _, err := svc.DryRun(ctx); !errors.Is(err, ErrTidyDisabled) {
t.Fatalf("DryRun err = %v, want ErrTidyDisabled", err)
}
runs, err := store.ListTidyRuns(ctx, 10)
if err != nil {
t.Fatalf("ListTidyRuns: %v", err)
}
if len(runs) != 0 {
t.Fatalf("关闭时不得留下任何留痕:%+v", runs)
}
}
// TestTidyServiceDryRun_EnabledWritesNothing 是服务层的零副作用回归:开启状态下
// 经服务入口试算同样一行都不写(连运行留痕都不写)。
func TestTidyServiceDryRun_EnabledWritesNothing(t *testing.T) {
t.Parallel()
ctx := context.Background()
store := newTestStore(t)
seedDryRunFixture(t, store)
before := snapshotTidyTables(t, store)
svc := newTidyServiceForTest(t, store, tidyTestCfg(0.80), dryRunFixtureEmbedder(), time.Now, nil)
out, err := svc.DryRun(ctx)
if err != nil {
t.Fatalf("DryRun: %v", err)
}
if len(out.Candidates) == 0 {
t.Fatal("夹具应当产出候选")
}
after := snapshotTidyTables(t, store)
assertRowsUnchanged(t, "memory_items", before.items, after.items)
assertRowsUnchanged(t, "memory_tidy_candidates", before.candidates, after.candidates)
assertRowsUnchanged(t, "memory_tidy_runs", before.runs, after.runs)
}