v0.132.0: the slow crash-loop counter (R-539, operator ruling 3 of 2026-09-16)

Beside the unchanged 3-in-15-minutes brake, a second counter: restarts the
supervisor performed in the last 24 hours. At the fifth the heartbeat stanza
sets slow_crashloop_since (moving at most once per 24 h), slow_crashloop and
restarts_24h; hub v0.117.0 mints controller_slow_crashloop (warning,
operator-only) when the timestamp moves. It never stops restarting.

Persisted per guest (tmp+rename, 0600) so an agent restart or reboot does not
reset it - unlike the fast record, whose reason for staying in memory (a
persisted give-up outliving the fix) does not apply to a counter that only
warns. Deliberate kills count. The startup line prints the new limits.

Red-proofs seen failing: no counter; the once-per-24h guard removed ('the
operator would be mailed per restart'); the save removed ('Restarts24h:1'
after an agent restart). Negative control: restarts 7 h apart never raise it.
go build/vet/test ./... green, 30 packages.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_0159rPz1ZhFKsS53msqPYxtS

internal/hub/report.go

@@ -150,6 +150,13 @@ type ControllerSupervisorGuest struct {
 	Crashloop      bool   `json:"crashloop"`
 	CrashloopSince string `json:"crashloop_since,omitempty"` // RFC3339; the last crash-loop, kept after it ends
 	Parked         bool   `json:"parked"`
+	// R-539 (v0.132.0) — the SLOW crash loop. Restarts24h counts restarts the supervisor performed in
+	// the last 24 hours (persisted, so an agent restart does not reset it); SlowCrashloop is true while
+	// the last raise is under 24 hours old; SlowCrashloopSince is the raise itself, which the hub keys on
+	// MOVING (hub v0.117.0 controller_slow_crashloop). It moves at most once per 24 hours.
+	Restarts24h        int    `json:"restarts_24h"`
+	SlowCrashloop      bool   `json:"slow_crashloop"`
+	SlowCrashloopSince string `json:"slow_crashloop_since,omitempty"` // RFC3339
 }
 
 // PBSDRStatus is the per-heartbeat PBS-DR-tier bridge state (slice 2). States: