feat: add natural elder story companion flow
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@@ -43,9 +43,10 @@ var (
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const contextPreparationFailureCode = "context_preparation_failed"
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const (
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contextSummaryLimit = 1000
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recentSummaryLimit = 3
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recentSummaryContentLimit = 240
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contextSummaryLimit = 1000
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recentConversationLimit = 3
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recentSummaryContentLimit = 240
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recentOpenTopicContentLimit = 240
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)
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type AllocationOptions struct {
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@@ -405,14 +406,14 @@ func (r *Repository) Create(
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consentSnapshotID, memoryVersionsJSON, promptBundleVersion, engineMode,
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privacyFromConsent(effectiveConsents), options)
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}
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var recentSummaries []string
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var recentContexts []recentConversationContext
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if consentAllowsConversationContinuity(effectiveConsents) {
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recentSummaries, err = selectRecentConversationSummaries(ctx, tx, identity.TenantID, subjectID, recentSummaryLimit)
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recentContexts, err = selectRecentConversationContexts(ctx, tx, identity.TenantID, subjectID, recentConversationLimit)
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if err != nil {
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return CreateResponse{}, "", fmt.Errorf("retrieve recent conversation summaries: %w", err)
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return CreateResponse{}, "", fmt.Errorf("retrieve recent conversation context: %w", err)
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}
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}
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contextSummary := buildContextSummary(subjectName, profileContext, recentSummaries, memoryContents)
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contextSummary := buildCompanionContextSummary(subjectName, profileContext, recentContexts, memoryContents)
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var vikingContext string
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var vikingNativeMemory *HardwareAgentMemoryConfig
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if options.VikingSubjectID == subjectID && options.VikingContext != "" && consentAllowsConversationContinuity(effectiveConsents) {
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@@ -437,16 +438,30 @@ func (r *Repository) Create(
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}
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}
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contextValue := struct {
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SubjectID string `json:"subject_id"`
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PreferredName string `json:"preferred_name"`
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ProfileVersion int64 `json:"profile_version"`
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RequestedGoal string `json:"requested_goal"`
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ProfileContext authorizedSubjectContext `json:"profile_context"`
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RecentSummaries []string `json:"recent_summaries"`
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MemoryContents []string `json:"memory_contents"`
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RetrievalPolicy string `json:"retrieval_policy"`
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VikingContext string `json:"viking_context,omitempty"`
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}{subjectPublicID, subjectName, profileVersion, input.RequestedGoal, profileContext, recentSummaries, memoryContents, retrievalPolicy(options.MemoryPolicy), vikingContext}
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SubjectID string `json:"subject_id"`
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PreferredName string `json:"preferred_name"`
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ProfileVersion int64 `json:"profile_version"`
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RequestedGoal string `json:"requested_goal"`
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ProfileContext authorizedSubjectContext `json:"profile_context"`
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RecentContexts []recentConversationContext `json:"recent_contexts"`
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RecentSummaries []string `json:"recent_summaries"`
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SuggestedOpenTopic string `json:"suggested_open_topic,omitempty"`
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MemoryContents []string `json:"memory_contents"`
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RetrievalPolicy string `json:"retrieval_policy"`
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VikingContext string `json:"viking_context,omitempty"`
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}{
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SubjectID: subjectPublicID,
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PreferredName: subjectName,
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ProfileVersion: profileVersion,
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RequestedGoal: input.RequestedGoal,
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ProfileContext: profileContext,
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RecentContexts: recentContexts,
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RecentSummaries: recentConversationSummaries(recentContexts),
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SuggestedOpenTopic: suggestedOpenTopic(recentContexts),
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MemoryContents: memoryContents,
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RetrievalPolicy: retrievalPolicy(options.MemoryPolicy),
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VikingContext: vikingContext,
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}
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contextJSON, _ := json.Marshal(contextValue)
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contextDigest := sha256.Sum256(contextJSON)
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contextSnapshotID := uuid.NewString()
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@@ -937,40 +952,6 @@ func authorizedProfileContext(profileDataJSON, preferencesJSON json.RawMessage)
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}, nil
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}
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func buildContextSummary(preferredName string, profile authorizedSubjectContext, recentSummaries, memoryContents []string) string {
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parts := make([]string, 0, 10)
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if len(profile.AvoidedTopics) > 0 {
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parts = append(parts, "交流边界：不要主动提及“"+strings.Join(truncateContextItems(profile.AvoidedTopics, 24), "、")+"”；若长者主动提及，先简短共情，再自然转向；紧急安全响应不受此限制")
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}
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parts = append(parts, "称呼："+truncateContextField(preferredName, 60))
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for index, summary := range recentSummaries {
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parts = append(parts, fmt.Sprintf("最近第%d次通话摘要：%s", index+1, truncateContextField(summary, 140)))
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}
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if len(memoryContents) > 0 {
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parts = append(parts, "已人工确认的长期记忆："+strings.Join(truncateContextItems(memoryContents, 30), "；"))
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}
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goal := profile.ConversationGoal
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if goal == "" {
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goal = "进行一次自然、尊重的陪伴交流"
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}
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parts = append(parts, "本次交流目标："+truncateContextField(goal, 80))
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if profile.Pace != "" {
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paceLabels := map[string]string{"slow": "放慢语速并留出回应时间", "normal": "自然语速", "lively": "轻快但保持清晰"}
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parts = append(parts, "交流节奏："+paceLabels[profile.Pace])
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}
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if len(profile.PreferredTopics) > 0 {
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parts = append(parts, "优先话题："+strings.Join(truncateContextItems(profile.PreferredTopics, 15), "、"))
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}
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if profile.Background != "" {
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parts = append(parts, "背景资料："+truncateContextField(profile.Background, 80))
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}
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if len(profile.Interests) > 0 {
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parts = append(parts, "兴趣："+strings.Join(truncateContextItems(profile.Interests, 15), "、"))
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}
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result := strings.Join(parts, "；")
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return truncateContextField(result, contextSummaryLimit)
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}
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func truncateContextItems(values []string, itemLimit int) []string {
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items := make([]string, 0, len(values))
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for _, value := range values {
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@@ -1000,43 +981,6 @@ func consentAllowsConversationContinuity(consents json.RawMessage) bool {
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return values["personalized_memory"] && values["story_extraction"]
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}
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func selectRecentConversationSummaries(ctx context.Context, tx pgx.Tx, tenantID, subjectID string, limit int) ([]string, error) {
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if limit <= 0 {
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return nil, nil
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}
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rows, err := tx.Query(ctx, `
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WITH latest_summary AS (
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SELECT DISTINCT ON (summary.conversation_id)
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summary.conversation_id, summary.content, conversation.ended_at, conversation.created_at
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FROM conversation_summary summary
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JOIN conversation ON conversation.id=summary.conversation_id
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AND conversation.tenant_id=summary.tenant_id
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AND conversation.subject_id=summary.subject_id
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WHERE summary.tenant_id=$1::uuid AND summary.subject_id=$2::uuid
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AND summary.summary_type='conversation_summary' AND summary.status='READY'
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AND conversation.status IN ('COMPLETED','FAILED')
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ORDER BY summary.conversation_id, summary.generation_version DESC, summary.created_at DESC
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)
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SELECT content FROM latest_summary
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ORDER BY COALESCE(ended_at,created_at) DESC, conversation_id DESC
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LIMIT $3`, tenantID, subjectID, limit)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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result := make([]string, 0, limit)
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for rows.Next() {
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var content string
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if err := rows.Scan(&content); err != nil {
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return nil, err
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}
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if content = truncateContextText(content, recentSummaryContentLimit); content != "" {
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result = append(result, content)
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}
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}
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return result, rows.Err()
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}
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func strictContextString(values map[string]any, key string, limit int) (string, error) {
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raw, exists := values[key]
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if !exists || raw == nil {
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