feat: P1 合盘/星座/问答与测测完整设计包及模拟器取证工具

落地 synastry/star/ask API 与 H5 页面，补齐 cece-frontend-re complete-design 证据文档，并加入 Android 模拟器截图抓取脚本。

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/internal/repository/synastry_invite_repo.go

@@ -0,0 +1,125 @@
+package repository
+
+import (
+	"context"
+	"crypto/rand"
+	"encoding/hex"
+	"encoding/json"
+	"errors"
+	"time"
+
+	"github.com/google/uuid"
+	"github.com/jackc/pgx/v5/pgxpool"
+
+	"github.com/yuxingu/digital-psychology/apps/api/internal/model"
+)
+
+// SynastryInviteRepo persists synastry invite tokens.
+type SynastryInviteRepo struct {
+	Pool *pgxpool.Pool
+}
+
+// Create inserts an invite (7-day expiry).
+func (r *SynastryInviteRepo) Create(ctx context.Context, hostUser, hostProfile uuid.UUID) (*model.SynastryInvite, error) {
+	token, err := randomToken(16)
+	if err != nil {
+		return nil, err
+	}
+	exp := time.Now().UTC().Add(7 * 24 * time.Hour)
+	inv := &model.SynastryInvite{}
+	err = r.Pool.QueryRow(ctx, `
+		INSERT INTO synastry_invites(token, host_user_id, host_profile_id, expires_at)
+		VALUES ($1,$2,$3,$4)
+		RETURNING id, token, host_user_id, host_profile_id, expires_at,
+			guest_user_id, guest_profile_id, report_id, created_at`,
+		token, hostUser, hostProfile, exp,
+	).Scan(&inv.ID, &inv.Token, &inv.HostUserID, &inv.HostProfileID, &inv.ExpiresAt,
+		&inv.GuestUserID, &inv.GuestProfileID, &inv.ReportID, &inv.CreatedAt)
+	return inv, err
+}
+
+// GetByToken loads a non-deleted invite.
+func (r *SynastryInviteRepo) GetByToken(ctx context.Context, token string) (*model.SynastryInvite, error) {
+	inv := &model.SynastryInvite{}
+	err := r.Pool.QueryRow(ctx, `
+		SELECT id, token, host_user_id, host_profile_id, expires_at,
+			guest_user_id, guest_profile_id, report_id, created_at
+		FROM synastry_invites WHERE token=$1 AND deleted_at IS NULL`, token,
+	).Scan(&inv.ID, &inv.Token, &inv.HostUserID, &inv.HostProfileID, &inv.ExpiresAt,
+		&inv.GuestUserID, &inv.GuestProfileID, &inv.ReportID, &inv.CreatedAt)
+	if err != nil {
+		return nil, err
+	}
+	return inv, nil
+}
+
+// AcceptAtomic creates guest profile + synastry report + marks invite in one transaction.
+func (r *SynastryInviteRepo) AcceptAtomic(
+	ctx context.Context,
+	inviteID, guestUser uuid.UUID,
+	name string,
+	birth time.Time,
+	birthTime, birthPlace *string,
+	summary, detail json.RawMessage,
+) (*model.GrowthReport, error) {
+	tx, err := r.Pool.Begin(ctx)
+	if err != nil {
+		return nil, err
+	}
+	defer tx.Rollback(ctx)
+
+	var guestID uuid.UUID
+	var bt *string
+	var bp *string
+	var createdAt time.Time
+	err = tx.QueryRow(ctx, `
+		INSERT INTO profiles(user_id, relation, display_name, birth_date, birth_time, birth_place)
+		VALUES ($1,'other',$2,$3,
+			CASE WHEN $4::text IS NULL OR $4::text = '' THEN NULL ELSE $4::time END,
+			NULLIF(TRIM($5::text), ''))
+		RETURNING id,
+			CASE WHEN birth_time IS NULL THEN NULL ELSE to_char(birth_time, 'HH24:MI') END,
+			birth_place, created_at`,
+		guestUser, name, birth, birthTime, birthPlace,
+	).Scan(&guestID, &bt, &bp, &createdAt)
+	if err != nil {
+		return nil, err
+	}
+
+	rep := &model.GrowthReport{}
+	err = tx.QueryRow(ctx, `
+		INSERT INTO growth_reports(user_id, profile_id, type, summary, detail)
+		VALUES ($1,$2,'synastry',$3,$4)
+		RETURNING id, user_id, profile_id, type, summary, detail, created_at`,
+		guestUser, guestID, summary, detail,
+	).Scan(&rep.ID, &rep.UserID, &rep.ProfileID, &rep.Type, &rep.Summary, &rep.Detail, &rep.CreatedAt)
+	if err != nil {
+		return nil, err
+	}
+
+	tag, err := tx.Exec(ctx, `
+		UPDATE synastry_invites
+		SET guest_user_id=$2, guest_profile_id=$3, report_id=$4, updated_at=now()
+		WHERE id=$1 AND deleted_at IS NULL AND report_id IS NULL AND expires_at > now()`,
+		inviteID, guestUser, guestID, rep.ID,
+	)
+	if err != nil {
+		return nil, err
+	}
+	if tag.RowsAffected() == 0 {
+		return nil, errors.New("invite already used or expired")
+	}
+
+	if err := tx.Commit(ctx); err != nil {
+		return nil, err
+	}
+	return rep, nil
+}
+
+func randomToken(n int) (string, error) {
+	b := make([]byte, n)
+	if _, err := rand.Read(b); err != nil {
+		return "", err
+	}
+	return hex.EncodeToString(b), nil
+}