Live data and RFC support

internal/config/case.go

@@ -1185,6 +1185,16 @@ type FleetConfig struct {
 	// before-pre-process / director).
 	LiveWhere  string `yaml:"live_where"`
 	LiveSource string `yaml:"live_source"`
+	// LiveMinFrameBytes, when > 0, asserts the largest live_data/console_log
+	// reply frame is at least this many bytes — i.e. a REAL data frame came back,
+	// not just the tiny "Capture Started/Completed" lifecycle markers. Used by the
+	// where:raw mis-frame case so a marker-only capture can't pass on count alone.
+	LiveMinFrameBytes int `yaml:"live_min_frame_bytes"`
+	// LiveSourceID targets a specific source for the live_data scenario: the
+	// device id when live_source=device, the route id when live_source=advanced-route
+	// (0 = "no specific route", which the director normalizes to a director-wide
+	// routing-boundary capture). Ignored for live_source=director. Defaults to 0.
+	LiveSourceID int `yaml:"live_source_id"`
 	// SettleSeconds is how long to wait for a scenario's effect (default 45).
 	SettleSeconds int `yaml:"settle_seconds"`
 	// DeliverConfig, when set, is a file under the case's configs/ dir holding an

internal/runner/runner.go

@@ -3537,6 +3537,7 @@ type fleetStatus struct {
 		Inbound   map[string]struct {
 			Count    int    `json:"count"`
 			LastData string `json:"last_data"`
+			MaxLen   int    `json:"max_len"`
 		} `json:"inbound"`
 		// Stats are decoded from the director's forwarded VMF metric frames by
 		// the simulator (see fleetsim/vmfstats.go), keyed by "<inputtype>.<type>"
@@ -3600,6 +3601,16 @@ func (st *fleetStatus) lastData(id, key string) string {
 	return d.Inbound[key].LastData
 }
 
+// maxLen returns the largest frame (bytes) seen for the director's inbound key,
+// or 0 if absent. Used to distinguish a real data frame from tiny lifecycle markers.
+func (st *fleetStatus) maxLen(id, key string) int {
+	d, ok := st.Directors[id]
+	if !ok {
+		return 0
+	}
+	return d.Inbound[key].MaxLen
+}
+
 // fleetSimStatus reads the simulator's observation snapshot via `docker exec wget`.
 // We use the busybox `wget` that ships in the simulator's alpine base rather than
 // curl, so the bench-fleetsim image needs no extra package (and carries no extra
@@ -3664,6 +3675,25 @@ func fleetWaitCount(simContainer, dirID, key string, min int, deadline time.Time
 	return last, false
 }
 
+// fleetWaitMaxLen polls until the largest frame seen for inbound[key] is >= min
+// bytes (or the deadline passes), returning the final max and whether it was
+// reached. A capture's lifecycle markers ("Capture Started/Completed", tiny)
+// arrive immediately on session start, while real captured data only flushes on
+// the session's periodic (≈5s) ticker — so this must POLL, not sample once.
+func fleetWaitMaxLen(simContainer, dirID, key string, min int, deadline time.Time) (int, bool) {
+	last := 0
+	for time.Now().Before(deadline) {
+		if st, err := fleetSimStatus(simContainer); err == nil {
+			last = st.maxLen(dirID, key)
+			if last >= min {
+				return last, true
+			}
+		}
+		time.Sleep(3 * time.Second)
+	}
+	return last, false
+}
+
 // fleetWaitStats polls the simulator's DECODED stats until every expected
 // bucket/counter is reached, then requires an EXACT match — the counters are
 // deterministic for a fixed, replayed input, so an over-count is as much a
@@ -4343,6 +4373,7 @@ func (r *Runner) runFleetAutomationCorrectness(tc *config.TestCase, subject conf
 			"capture_line": 100,
 			"where":        fleetStr(fc.LiveWhere, "before-pre-process"),
 			"source_type":  fleetStr(fc.LiveSource, "director"),
+			"source_id":    fc.LiveSourceID,
 		}
 		if fc.Scenario == "console_log" {
 			cmd = "console_log"
@@ -4362,6 +4393,20 @@ func (r *Runner) runFleetAutomationCorrectness(tc *config.TestCase, subject conf
 		} else {
 			finalCount = int64(c)
 			fmt.Printf("  %s streamed %d frame(s) ✓\n", cmd, c)
+
+			// Discriminating check: a capture that returns only lifecycle markers
+			// ("Capture Started/Completed", ~40 bytes) still produces frames, so a
+			// bare count >= 1 can pass even when NO real data was captured (e.g.
+			// mis-framed input that a normal where never sees). live_min_frame_bytes
+			// asserts at least one frame carried real captured data. Used by the
+			// where:raw mis-frame case.
+			if fc.LiveMinFrameBytes > 0 {
+				if maxLen, ok := fleetWaitMaxLen(simContainer, dirID, key, fc.LiveMinFrameBytes, scenarioDeadline()); !ok {
+					errs = append(errs, fmt.Sprintf("%s returned only small frames (max %d bytes < live_min_frame_bytes %d) — capture saw lifecycle markers, no real data", cmd, maxLen, fc.LiveMinFrameBytes))
+				} else {
+					fmt.Printf("  %s largest frame %d bytes (>= %d) — real data captured ✓\n", cmd, maxLen, fc.LiveMinFrameBytes)
+				}
+			}
 		}
 
 	case "stats":