diff --git a/.env.example b/.env.example
index 49f68d2..7440287 100644
--- a/.env.example
+++ b/.env.example
@@ -17,6 +17,7 @@ VOID_PUBLIC_ROOM_CHANNEL_ID=
 VOID_PUBLIC_ROOM_PERSONA_NAME=Void
 VOID_PUBLIC_ROOM_PERSONA_AVATAR_URL=
 VOID_CANDIDATE_DELIVERY_ENABLED=false
+VOID_PHYSIOLOGY_INTERVAL_MINUTES=5
 VOID_RUMINATION_DAEMON_ENABLED=false
 VOID_RUMINATION_DAEMON_INTERVAL_MINUTES=15
 STATE_STORAGE_BACKEND=postgres
diff --git a/apps/persona-scheduler/src/index.ts b/apps/persona-scheduler/src/index.ts
index 4d59921..3eb90eb 100644
--- a/apps/persona-scheduler/src/index.ts
+++ b/apps/persona-scheduler/src/index.ts
@@ -24,7 +24,7 @@ let timer: NodeJS.Timeout | undefined;
 let lastPhysiologyAt = 0;
 let lastModerationAt = 0;
 let lastRuminationAt = 0;
-const physiologyIntervalMs = Math.max(5, Number(process.env.VOIDBOT_MOOD_INTERVAL_MINUTES) || 5) * 60_000;
+const physiologyIntervalMs = config.voidPhysiology.intervalMinutes * 60_000;
 const moderationIntervalMs = config.voidModerationDaemon.intervalMinutes * 60_000;
 const ruminationIntervalMs = config.voidRuminationDaemon.intervalMinutes * 60_000;
 
diff --git a/apps/persona-scheduler/src/initiative-engine.ts b/apps/persona-scheduler/src/initiative-engine.ts
index 6ae8fc6..038b5db 100644
--- a/apps/persona-scheduler/src/initiative-engine.ts
+++ b/apps/persona-scheduler/src/initiative-engine.ts
@@ -2,8 +2,8 @@ import { createHash } from "node:crypto";
 
 export interface InitiativeParticipant {
   identityId: string;
-  participantKind: "repo_face" | "native_persona" | "system_agent";
-  turnKind: "repo_face_rumination" | "void_moderation";
+  participantKind: "repo_face" | "native_persona";
+  turnKind: "repo_face_rumination";
   repoName: string;
   displayName: string;
   initiativeSpeed: number;
@@ -94,7 +94,7 @@ export function reconcileParticipants(input: ReconcileParticipantsInput): Initia
 
   return input.specs.map((spec, index) => {
     const current = existingById.get(spec.id);
-    const hasChannel = spec.participantKind === "system_agent" || Boolean(spec.allowedChannelIds[0] || input.defaultChannelId);
+    const hasChannel = Boolean(spec.allowedChannelIds[0] || input.defaultChannelId);
     const speed = initiativeSpeedFor(spec, input.speedOverrides) * spec.channelSpeedMultiplier;
     const groups = initiativeGroupsFor(spec);
     const heat = heatFor(spec, groups, input.globalHeat, input.heatOverrides);
diff --git a/apps/persona-scheduler/src/persona-scheduler-runner.ts b/apps/persona-scheduler/src/persona-scheduler-runner.ts
index 41aa5fb..6d0a0cc 100644
--- a/apps/persona-scheduler/src/persona-scheduler-runner.ts
+++ b/apps/persona-scheduler/src/persona-scheduler-runner.ts
@@ -89,7 +89,7 @@ export async function runPersonaSchedulerTick(input: {
   const pressure = await readSemanticPressure({
     candidates: participantSpecs.flatMap((spec) => {
       const participant = state.participants.find((entry) => entry.identityId === spec.id);
-      if (!spec.identity || spec.participantKind === "system_agent" || participant?.status !== "active" || participant.currentLoad >= 1 || completedThisTick.has(participant.identityId) || restStates.get(participant.identityId)?.isNapping === true) return [];
+      if (!spec.identity || participant?.status !== "active" || participant.currentLoad >= 1 || completedThisTick.has(participant.identityId) || restStates.get(participant.identityId)?.isNapping === true) return [];
       return [{ identityId: participant.identityId, interruptThreshold: participant.interruptThreshold, affinityText: renderPersonaInitiativeAffinity(spec), allowedChannelIds: spec.allowedChannelIds }];
     }),
     messages: idleCooling.observedHumanMessages,
diff --git a/apps/persona-scheduler/src/state-store.ts b/apps/persona-scheduler/src/state-store.ts
index 5cc8064..1a488d6 100644
--- a/apps/persona-scheduler/src/state-store.ts
+++ b/apps/persona-scheduler/src/state-store.ts
@@ -272,8 +272,8 @@ function isInitiativeParticipant(value: unknown): value is InitiativeParticipant
   if (!isRecord(value)) return false;
   return (
     typeof value.identityId === "string" &&
-    ["repo_face", "native_persona", "system_agent"].includes(String(value.participantKind)) &&
-    ["repo_face_rumination", "void_moderation"].includes(String(value.turnKind)) &&
+    ["repo_face", "native_persona"].includes(String(value.participantKind)) &&
+    value.turnKind === "repo_face_rumination" &&
     typeof value.repoName === "string" &&
     typeof value.displayName === "string" &&
     ["active", "blocked", "withdrawn", "offscreen"].includes(String(value.status)) &&
diff --git a/packages/config/src/index.ts b/packages/config/src/index.ts
index 95a884a..db6f25d 100644
--- a/packages/config/src/index.ts
+++ b/packages/config/src/index.ts
@@ -140,6 +140,7 @@ const envSchema = z.object({
   VOID_MODERATION_DAEMON_INTERVAL_MINUTES: z.coerce.number().int().min(5).default(15),
   VOID_MODERATION_ENFORCEMENT_MODE: z.string().trim().min(1).default("log_only"),
   VOID_CANDIDATE_DELIVERY_ENABLED: booleanFromEnv.default(false),
+  VOID_PHYSIOLOGY_INTERVAL_MINUTES: z.coerce.number().int().min(5).default(5),
   VOID_RUMINATION_DAEMON_ENABLED: booleanFromEnv.default(false),
   VOID_RUMINATION_DAEMON_INTERVAL_MINUTES: z.coerce.number().int().min(5).default(15),
   VOID_PUBLIC_ROOM_PERSONA_NAME: z.string().trim().min(1).default("Void"),
@@ -256,6 +257,7 @@ export interface AppConfig {
   };
   voidModerationDaemon: { enabled: boolean; intervalMinutes: number; enforcementMode: string };
   voidCandidateDelivery: { enabled: boolean; personaName: string; personaAvatarUrl?: string };
+  voidPhysiology: { intervalMinutes: number };
   voidRuminationDaemon: { enabled: boolean; intervalMinutes: number };
   repoFaceHeartbeats: {
     enabled: boolean;
@@ -556,6 +558,7 @@ export function loadConfig(env: NodeJS.ProcessEnv = process.env): AppConfig {
       personaName: parsed.VOID_PUBLIC_ROOM_PERSONA_NAME,
       personaAvatarUrl: parsed.VOID_PUBLIC_ROOM_PERSONA_AVATAR_URL,
     },
+    voidPhysiology: { intervalMinutes: parsed.VOID_PHYSIOLOGY_INTERVAL_MINUTES },
     voidRuminationDaemon: {
       enabled: parsed.VOID_RUMINATION_DAEMON_ENABLED,
       intervalMinutes: parsed.VOID_RUMINATION_DAEMON_INTERVAL_MINUTES,
diff --git a/state/evidence.jsonl b/state/evidence.jsonl
index 8484791..6de64ac 100644
--- a/state/evidence.jsonl
+++ b/state/evidence.jsonl
@@ -453,3 +453,4 @@
 {"ts":"2026-07-16T04:58:31Z","type":"architecture","status":"ok","note":"Cut the obsolete Windows Void rumination authority: deleted the 1,762-line runner, task installer, PowerShell-only rumination/moderation fixtures, CTB system-agent launcher, and dead moderation-lock observers; removed both Void organs from Local Orchestrator and removed legacy config/scripts. Persona initiative now registers only real Persona identities. Consolidated resident-organ smoke and TypeScript build pass, and deployed b09267e proved both model cadences cold before the cut."}
 {"ts":"2026-07-16T05:03:14Z","type":"architecture","status":"ok","note":"Cut the remaining local Void sleep/memory authority: deleted mood task/simulator, PowerShell memory runner, shared shell chronology projector, obsolete prompt, and shell-only fixtures. Resident physiology and nap-deduped memory maintenance are now the only owners. Direct Void Discord mentions now use the normal bot prompt/job lane rather than impossible built-in-CTB attention; live scheduler state had 22 registered Personas, zero Void pending mentions, and zero total pending debt before rollout."}
 {"ts":"2026-07-16T05:07:08Z","type":"architecture","status":"ok","note":"Deleted the final Windows omnibus cadence, installer, and hidden launcher; removed startup auto-install, watchdog fallback ownership, and orchestrator provider witness. Unregistered the five disabled Starfire task husks for Local Orchestrator, mood, moderation rumination, repo Face heartbeats, and Bifrost dispatch. Swarm publication remains Ygg-resident, health belongs to Idunn, and Bifrost dispatch belongs to Bifrost."}
+{"ts":"2026-07-16T05:10:08Z","type":"architecture","status":"ok","note":"Completion audit removed the final scheduler type loophole: system_agent and void_moderation are no longer valid participant/turn kinds, so legacy state cannot deserialize a built-in Void CTB writer. Physiology cadence is now a typed VOID_PHYSIOLOGY_INTERVAL_MINUTES config owned by the resident daemon rather than a raw legacy mood environment name."}