diff --git a/cli/src/commands/worktree.ts b/cli/src/commands/worktree.ts
index e50897a1eba..013f62c9110 100644
--- a/cli/src/commands/worktree.ts
+++ b/cli/src/commands/worktree.ts
@@ -18,6 +18,7 @@ import path from "node:path";
 import { execFileSync } from "node:child_process";
 import { randomUUID } from "node:crypto";
 import { createServer } from "node:net";
+import { randomUUID } from "node:crypto";
 import { Readable } from "node:stream";
 import * as p from "@clack/prompts";
 import pc from "picocolors";
@@ -1756,6 +1757,7 @@ export async function resetSeededWorktreeRunExecutionActivation(connectionString
         ...experimental,
         enableWorktreeRunExecution: false,
         worktreeRunExecutionInstanceNonce: null,
+        worktreeRunExecutionSeedEpoch: randomUUID(),
         worktreeRunExecutionActivatedAt: null,
         worktreeRunExecutionActivationInstanceId: null,
       };
diff --git a/packages/db/src/migrations/0228_run_execution_provenance.sql b/packages/db/src/migrations/0228_run_execution_provenance.sql
new file mode 100644
index 00000000000..8a04679acac
--- /dev/null
+++ b/packages/db/src/migrations/0228_run_execution_provenance.sql
@@ -0,0 +1,38 @@
+ALTER TABLE "heartbeat_runs" ADD COLUMN IF NOT EXISTS "instance_nonce" uuid;
+ALTER TABLE "heartbeat_runs" ADD COLUMN IF NOT EXISTS "seed_epoch" uuid;
+ALTER TABLE "agent_wakeup_requests" ADD COLUMN IF NOT EXISTS "instance_nonce" uuid;
+ALTER TABLE "agent_wakeup_requests" ADD COLUMN IF NOT EXISTS "seed_epoch" uuid;
+
+CREATE OR REPLACE FUNCTION stamp_run_execution_provenance()
+RETURNS trigger
+LANGUAGE plpgsql
+AS $$
+DECLARE
+  experimental jsonb;
+BEGIN
+  SELECT settings.experimental INTO experimental
+  FROM instance_settings settings
+  WHERE settings.singleton_key = 'default'
+  LIMIT 1;
+
+  NEW.instance_nonce := COALESCE(
+    NEW.instance_nonce,
+    NULLIF(experimental ->> 'worktreeRunExecutionInstanceNonce', '')::uuid
+  );
+  NEW.seed_epoch := COALESCE(
+    NEW.seed_epoch,
+    NULLIF(experimental ->> 'worktreeRunExecutionSeedEpoch', '')::uuid
+  );
+  RETURN NEW;
+END;
+$$;
+
+DROP TRIGGER IF EXISTS heartbeat_runs_stamp_execution_provenance ON heartbeat_runs;
+CREATE TRIGGER heartbeat_runs_stamp_execution_provenance
+BEFORE INSERT ON heartbeat_runs
+FOR EACH ROW EXECUTE FUNCTION stamp_run_execution_provenance();
+
+DROP TRIGGER IF EXISTS agent_wakeup_requests_stamp_execution_provenance ON agent_wakeup_requests;
+CREATE TRIGGER agent_wakeup_requests_stamp_execution_provenance
+BEFORE INSERT ON agent_wakeup_requests
+FOR EACH ROW EXECUTE FUNCTION stamp_run_execution_provenance();
diff --git a/packages/db/src/migrations/meta/_journal.json b/packages/db/src/migrations/meta/_journal.json
index 585f274aab1..23db6f3455a 100644
--- a/packages/db/src/migrations/meta/_journal.json
+++ b/packages/db/src/migrations/meta/_journal.json
@@ -1583,6 +1583,13 @@
       "when": 1787668790923,
       "tag": "0227_modern_pandemic",
       "breakpoints": true
+    },
+    {
+      "idx": 228,
+      "version": "7",
+      "when": 1787686000000,
+      "tag": "0228_run_execution_provenance",
+      "breakpoints": true
     }
   ]
-}
\ No newline at end of file
+}
diff --git a/packages/db/src/schema/agent_wakeup_requests.ts b/packages/db/src/schema/agent_wakeup_requests.ts
index a0888d9700b..94630a32cbc 100644
--- a/packages/db/src/schema/agent_wakeup_requests.ts
+++ b/packages/db/src/schema/agent_wakeup_requests.ts
@@ -9,6 +9,8 @@ export const agentWakeupRequests = pgTable(
     id: uuid("id").primaryKey().defaultRandom(),
     companyId: uuid("company_id").notNull().references(() => companies.id),
     agentId: uuid("agent_id").notNull().references(() => agents.id),
+    instanceNonce: uuid("instance_nonce"),
+    seedEpoch: uuid("seed_epoch"),
     source: text("source").notNull(),
     triggerDetail: text("trigger_detail"),
     reason: text("reason"),
diff --git a/packages/db/src/schema/heartbeat_runs.ts b/packages/db/src/schema/heartbeat_runs.ts
index 1433605cfad..2629980abd5 100644
--- a/packages/db/src/schema/heartbeat_runs.ts
+++ b/packages/db/src/schema/heartbeat_runs.ts
@@ -22,6 +22,8 @@ export const heartbeatRuns = pgTable(
     id: uuid("id").primaryKey().defaultRandom(),
     companyId: uuid("company_id").notNull().references(() => companies.id),
     agentId: uuid("agent_id").notNull().references(() => agents.id),
+    instanceNonce: uuid("instance_nonce"),
+    seedEpoch: uuid("seed_epoch"),
     invocationSource: text("invocation_source").notNull().default("on_demand"),
     triggerDetail: text("trigger_detail"),
     status: text("status").notNull().default("queued"),
diff --git a/packages/shared/src/types/instance.ts b/packages/shared/src/types/instance.ts
index 3521866a9df..a118699915c 100644
--- a/packages/shared/src/types/instance.ts
+++ b/packages/shared/src/types/instance.ts
@@ -108,6 +108,8 @@ export interface InstanceExperimentalSettings {
    * clear it so the first boot stamps a fresh value.
    */
   worktreeRunExecutionInstanceNonce: string | null;
+  /** Server-managed identity for the current seed/restore epoch. */
+  worktreeRunExecutionSeedEpoch: string | null;
   /**
    * Server-managed cutoff recorded when worktree run execution is enabled in
    * this instance. Client PATCH payloads must not control this value.
diff --git a/packages/shared/src/validators/instance.ts b/packages/shared/src/validators/instance.ts
index 7832e5f1d82..a08a18e2c6c 100644
--- a/packages/shared/src/validators/instance.ts
+++ b/packages/shared/src/validators/instance.ts
@@ -76,6 +76,7 @@ export const instanceExperimentalSettingsSchema = z.object({
   enableSandboxDuplexBridge: z.boolean().default(false),
   enableWorktreeRunExecution: z.boolean().default(false),
   worktreeRunExecutionInstanceNonce: z.string().uuid().nullable().default(null),
+  worktreeRunExecutionSeedEpoch: z.string().uuid().nullable().default(null),
   worktreeRunExecutionActivatedAt: z.string().datetime().nullable().default(null),
   worktreeRunExecutionActivationInstanceId: z.string().min(1).nullable().default(null),
   issueGraphLivenessAutoRecoveryLookbackHours: z
@@ -92,6 +93,7 @@ export const patchInstanceExperimentalSettingsSchema = z
       instanceExperimentalSettingsSchema
         .omit({
           worktreeRunExecutionInstanceNonce: true,
+          worktreeRunExecutionSeedEpoch: true,
           worktreeRunExecutionActivatedAt: true,
           worktreeRunExecutionActivationInstanceId: true,
         })
diff --git a/server/src/__tests__/heartbeat-worktree-suppression.test.ts b/server/src/__tests__/heartbeat-worktree-suppression.test.ts
index e9f0e1c4b1b..dc2ed876e08 100644
--- a/server/src/__tests__/heartbeat-worktree-suppression.test.ts
+++ b/server/src/__tests__/heartbeat-worktree-suppression.test.ts
@@ -280,6 +280,41 @@ describeEmbeddedPostgres("heartbeat worktree suppression", () => {
     expect(runningCount).toBe(0);
   });
 
+  it("terminalizes a foreign-epoch running row without adopting its live pid", async () => {
+    const { companyId, agentId, issueId } = await insertAgentAndIssue();
+    await armWorktreeRunExecution(new Date(Date.now() - 1_000));
+    const runId = randomUUID();
+    await db.insert(heartbeatRuns).values({
+      id: runId,
+      companyId,
+      agentId,
+      instanceNonce: randomUUID(),
+      seedEpoch: randomUUID(),
+      invocationSource: "assignment",
+      triggerDetail: "system",
+      status: "running",
+      processPid: process.pid,
+      responsibleUserId: "responsible-user",
+      contextSnapshot: { issueId, wakeReason: "issue_assigned" },
+      startedAt: new Date(),
+    });
+
+    const heartbeat = heartbeatService(db, {
+      runtimeEnv: { PAPERCLIP_IN_WORKTREE: "true" },
+    });
+    const result = await heartbeat.reapOrphanedRuns();
+
+    expect(result).toEqual({ reaped: 1, runIds: [runId] });
+    const runs = await db.select().from(heartbeatRuns).where(eq(heartbeatRuns.agentId, agentId));
+    expect(runs).toHaveLength(1);
+    expect(runs[0]).toMatchObject({
+      id: runId,
+      status: "failed",
+      errorCode: "foreign_execution_provenance",
+      processLossRetryCount: 0,
+    });
+  });
+
   it("skips pre-cutoff system wakes but allows user wakes in an armed worktree", async () => {
     const { agentId, issueId } = await insertAgentAndIssue();
     await armWorktreeRunExecution(new Date(Date.now() + 1_000));
diff --git a/server/src/services/heartbeat.ts b/server/src/services/heartbeat.ts
index 2e6fe3c6eb3..5063fd85818 100644
--- a/server/src/services/heartbeat.ts
+++ b/server/src/services/heartbeat.ts
@@ -6772,14 +6772,24 @@ export function heartbeatService(db: Db, options: HeartbeatServiceOptions = {})
   // Only worktree runtimes ever read the setting; a short TTL keeps the hot-path
   // suppression checks off the DB, and a read failure falls back to prior/default
   // (fail closed to suppression).
-  let cachedWorktreeRunExecutionOverride: { allowed: boolean; cutoff: Date | null; at: number } = {
+  let cachedWorktreeRunExecutionOverride: {
+    allowed: boolean;
+    cutoff: Date | null;
+    instanceNonce: string | null;
+    seedEpoch: string | null;
+    at: number;
+  } = {
     allowed: false,
     cutoff: null,
+    instanceNonce: null,
+    seedEpoch: null,
     at: 0,
   };
   const WORKTREE_RUN_EXECUTION_OVERRIDE_TTL_MS = 3_000;
   const resolveWorktreeRunExecutionOverride = async () => {
-    if (!inWorktreeRuntime) return { allowed: false, cutoff: null };
+    if (!inWorktreeRuntime) {
+      return { allowed: false, cutoff: null, instanceNonce: null, seedEpoch: null };
+    }
     const now = Date.now();
     if (now - cachedWorktreeRunExecutionOverride.at < WORKTREE_RUN_EXECUTION_OVERRIDE_TTL_MS) {
       return cachedWorktreeRunExecutionOverride;
@@ -6792,6 +6802,8 @@ export function heartbeatService(db: Db, options: HeartbeatServiceOptions = {})
       cachedWorktreeRunExecutionOverride = {
         allowed: Boolean(activation.armed && cutoff && !Number.isNaN(cutoff.getTime())),
         cutoff: cutoff && !Number.isNaN(cutoff.getTime()) ? cutoff : null,
+        instanceNonce: activation.armed ? activation.instanceNonce : null,
+        seedEpoch: activation.armed ? activation.seedEpoch : null,
         at: now,
       };
     } catch {
@@ -6810,6 +6822,12 @@ export function heartbeatService(db: Db, options: HeartbeatServiceOptions = {})
     const override = await resolveWorktreeRunExecutionOverride();
     return override.allowed ? override.cutoff : null;
   };
+  const getWorktreeExecutionProvenance = async () => {
+    const override = await resolveWorktreeRunExecutionOverride();
+    return override.allowed && override.instanceNonce && override.seedEpoch
+      ? { instanceNonce: override.instanceNonce, seedEpoch: override.seedEpoch }
+      : null;
+  };
 
   const runLogStore = getRunLogStore();
   const secretsSvc = secretService(db);
@@ -12167,6 +12185,7 @@ export function heartbeatService(db: Db, options: HeartbeatServiceOptions = {})
 
   async function promoteDueScheduledRetries(now = new Date()) {
     const cutoff = await getWorktreeExecutionCutoff();
+    const provenance = await getWorktreeExecutionProvenance();
     const dueRuns = await db
       .select()
       .from(heartbeatRuns)
@@ -12175,6 +12194,8 @@ export function heartbeatService(db: Db, options: HeartbeatServiceOptions = {})
           eq(heartbeatRuns.status, "scheduled_retry"),
           lte(heartbeatRuns.scheduledRetryAt, now),
           cutoff ? gte(heartbeatRuns.createdAt, cutoff) : undefined,
+          provenance ? eq(heartbeatRuns.instanceNonce, provenance.instanceNonce) : undefined,
+          provenance ? eq(heartbeatRuns.seedEpoch, provenance.seedEpoch) : undefined,
         ),
       )
       .orderBy(asc(heartbeatRuns.scheduledRetryAt), asc(heartbeatRuns.createdAt), asc(heartbeatRuns.id))
@@ -13638,6 +13659,7 @@ export function heartbeatService(db: Db, options: HeartbeatServiceOptions = {})
   async function reapOrphanedRuns(opts?: { staleThresholdMs?: number }) {
     const staleThresholdMs = opts?.staleThresholdMs ?? 0;
     const now = new Date();
+    const provenance = await getWorktreeExecutionProvenance();
 
     // Find all runs stuck in "running" state (queued runs are legitimately waiting; resumeQueuedRuns handles them)
     const activeRuns = await db
@@ -13678,6 +13700,25 @@ export function heartbeatService(db: Db, options: HeartbeatServiceOptions = {})
     for (const { run, adapterType, adapterConfig } of activeRuns) {
       if (runningProcesses.has(run.id) || activeRunExecutions.has(run.id)) continue;
 
+      if (
+        provenance &&
+        (run.instanceNonce !== provenance.instanceNonce || run.seedEpoch !== provenance.seedEpoch)
+      ) {
+        const message = "Run belongs to a foreign worktree instance or seed epoch";
+        await setRunStatus(run.id, "failed", {
+          error: message,
+          errorCode: "foreign_execution_provenance",
+          finishedAt: now,
+        });
+        await setWakeupStatus(run.wakeupRequestId, "failed", {
+          finishedAt: now,
+          error: message,
+        });
+        runningProcesses.delete(run.id);
+        reaped.push(run.id);
+        continue;
+      }
+
       // Apply staleness threshold to avoid false positives
       if (staleThresholdMs > 0) {
         const refTime = run.updatedAt ? new Date(run.updatedAt).getTime() : 0;
@@ -13855,6 +13896,7 @@ export function heartbeatService(db: Db, options: HeartbeatServiceOptions = {})
   async function resumeQueuedRuns() {
     if ((await getSchedulingSuppression()).suppressed) return;
     const cutoff = await getWorktreeExecutionCutoff();
+    const provenance = await getWorktreeExecutionProvenance();
 
     const queuedRuns = await db
       .select({ agentId: heartbeatRuns.agentId })
@@ -13864,6 +13906,8 @@ export function heartbeatService(db: Db, options: HeartbeatServiceOptions = {})
         eq(heartbeatRuns.status, "queued"),
         eq(companies.status, "active"),
         cutoff ? gte(heartbeatRuns.createdAt, cutoff) : undefined,
+        provenance ? eq(heartbeatRuns.instanceNonce, provenance.instanceNonce) : undefined,
+        provenance ? eq(heartbeatRuns.seedEpoch, provenance.seedEpoch) : undefined,
       ));
 
     const agentIds = [...new Set(queuedRuns.map((r) => r.agentId))];
@@ -13873,7 +13917,10 @@ export function heartbeatService(db: Db, options: HeartbeatServiceOptions = {})
   }
 
   async function reconcileStrandedAssignedIssues() {
-    return recovery.reconcileStrandedAssignedIssues({ issueCreatedAtGte: await getWorktreeExecutionCutoff() });
+    return recovery.reconcileStrandedAssignedIssues({
+      issueCreatedAtGte: await getWorktreeExecutionCutoff(),
+      executionProvenance: await getWorktreeExecutionProvenance(),
+    });
   }
 
   async function sweepStaleIssueLocks() {
@@ -13996,6 +14043,7 @@ export function heartbeatService(db: Db, options: HeartbeatServiceOptions = {})
   async function startNextQueuedRunForAgent(agentId: string) {
     if ((await getSchedulingSuppression()).suppressed) return [];
     const cutoff = await getWorktreeExecutionCutoff();
+    const provenance = await getWorktreeExecutionProvenance();
 
     return withAgentStartLock(agentId, async () => {
       const agent = await getAgent(agentId);
@@ -14019,6 +14067,8 @@ export function heartbeatService(db: Db, options: HeartbeatServiceOptions = {})
           eq(heartbeatRuns.agentId, agentId),
           eq(heartbeatRuns.status, "queued"),
           cutoff ? gte(heartbeatRuns.createdAt, cutoff) : undefined,
+          provenance ? eq(heartbeatRuns.instanceNonce, provenance.instanceNonce) : undefined,
+          provenance ? eq(heartbeatRuns.seedEpoch, provenance.seedEpoch) : undefined,
         ))
         .orderBy(asc(heartbeatRuns.createdAt));
       if (queuedRuns.length === 0) return [];
diff --git a/server/src/services/instance-settings.ts b/server/src/services/instance-settings.ts
index 99be3e68f7c..4538ae6726c 100644
--- a/server/src/services/instance-settings.ts
+++ b/server/src/services/instance-settings.ts
@@ -41,6 +41,7 @@ interface InstanceSettingsServiceOptions {
   runtimeEnv?: Record<string, string | undefined>;
   now?: () => Date;
   generateInstanceNonce?: () => string;
+  generateSeedEpoch?: () => string;
 }
 
 type WorktreeRunExecutionSuppressedReason =
@@ -48,6 +49,7 @@ type WorktreeRunExecutionSuppressedReason =
   | "flag_disabled"
   | "missing_cutoff"
   | "missing_instance_id"
+  | "missing_seed_epoch"
   | "instance_id_mismatch"
   | "settings_read_error";
 
@@ -56,6 +58,8 @@ export type WorktreeRunExecutionActivationState =
       armed: true;
       cutoff: string;
       activationInstanceId: string;
+      instanceNonce: string;
+      seedEpoch: string;
       reason: null;
     }
   | {
@@ -74,6 +78,7 @@ function stripServerManagedExperimentalPatchFields(
 ): PatchInstanceExperimentalSettings {
   const {
     worktreeRunExecutionInstanceNonce: _ignoredInstanceNonce,
+    worktreeRunExecutionSeedEpoch: _ignoredSeedEpoch,
     worktreeRunExecutionActivatedAt: _ignoredActivatedAt,
     worktreeRunExecutionActivationInstanceId: _ignoredActivationInstanceId,
     ...patchable
@@ -158,6 +163,12 @@ export function resolveWorktreeRunExecutionActivation(
       experimental.worktreeRunExecutionActivationInstanceId,
     );
   }
+  if (!experimental.worktreeRunExecutionSeedEpoch) {
+    return suppressWorktreeRunExecution(
+      "missing_seed_epoch",
+      experimental.worktreeRunExecutionActivationInstanceId,
+    );
+  }
   if (
     experimental.worktreeRunExecutionActivationInstanceId !==
     experimental.worktreeRunExecutionInstanceNonce
@@ -171,6 +182,8 @@ export function resolveWorktreeRunExecutionActivation(
     armed: true,
     cutoff: experimental.worktreeRunExecutionActivatedAt,
     activationInstanceId: experimental.worktreeRunExecutionInstanceNonce,
+    instanceNonce: experimental.worktreeRunExecutionInstanceNonce,
+    seedEpoch: experimental.worktreeRunExecutionSeedEpoch,
     reason: null,
   };
 }
@@ -245,6 +258,7 @@ export function normalizeExperimentalSettings(raw: unknown): InstanceExperimenta
       enableSandboxDuplexBridge: parsed.data.enableSandboxDuplexBridge ?? false,
       enableWorktreeRunExecution: parsed.data.enableWorktreeRunExecution ?? false,
       worktreeRunExecutionInstanceNonce: parsed.data.worktreeRunExecutionInstanceNonce ?? null,
+      worktreeRunExecutionSeedEpoch: parsed.data.worktreeRunExecutionSeedEpoch ?? null,
       worktreeRunExecutionActivatedAt: parsed.data.worktreeRunExecutionActivatedAt ?? null,
       worktreeRunExecutionActivationInstanceId:
         parsed.data.worktreeRunExecutionActivationInstanceId ?? null,
@@ -284,6 +298,7 @@ export function normalizeExperimentalSettings(raw: unknown): InstanceExperimenta
     enableSandboxDuplexBridge: false,
     enableWorktreeRunExecution: false,
     worktreeRunExecutionInstanceNonce: null,
+    worktreeRunExecutionSeedEpoch: null,
     worktreeRunExecutionActivatedAt: null,
     worktreeRunExecutionActivationInstanceId: null,
     issueGraphLivenessAutoRecoveryLookbackHours:
@@ -351,7 +366,8 @@ export function instanceSettingsService(db: Db, options: InstanceSettingsService
     runner: InstanceSettingsWriteDb = db,
   ) {
     if (!isTruthyRuntimeEnvValue(runtimeEnv.PAPERCLIP_IN_WORKTREE)) return row;
-    if (normalizeExperimentalSettings(row.experimental).worktreeRunExecutionInstanceNonce) return row;
+    const normalized = normalizeExperimentalSettings(row.experimental);
+    if (normalized.worktreeRunExecutionInstanceNonce && normalized.worktreeRunExecutionSeedEpoch) return row;
 
     const now = options.now?.() ?? new Date();
     const instanceNonce = (options.generateInstanceNonce ?? randomUUID)();
@@ -363,13 +379,17 @@ export function instanceSettingsService(db: Db, options: InstanceSettingsService
       .set({
         experimental: {
           ...experimental,
-          worktreeRunExecutionInstanceNonce: instanceNonce,
+          worktreeRunExecutionInstanceNonce:
+            normalized.worktreeRunExecutionInstanceNonce ?? instanceNonce,
+          worktreeRunExecutionSeedEpoch:
+            normalized.worktreeRunExecutionSeedEpoch ?? (options.generateSeedEpoch ?? randomUUID)(),
         },
         updatedAt: now,
       })
       .where(and(
         eq(instanceSettings.id, row.id),
-        sql`${instanceSettings.experimental} ->> 'worktreeRunExecutionInstanceNonce' is null`,
+        sql`${instanceSettings.experimental} ->> 'worktreeRunExecutionInstanceNonce' is null
+          or ${instanceSettings.experimental} ->> 'worktreeRunExecutionSeedEpoch' is null`,
       ))
       .returning();
     if (updated) return updated;
diff --git a/server/src/services/recovery/service.ts b/server/src/services/recovery/service.ts
index 4d3f08d9aba..8669d73bdcc 100644
--- a/server/src/services/recovery/service.ts
+++ b/server/src/services/recovery/service.ts
@@ -94,6 +94,7 @@ import {
 
 const EXECUTION_PATH_HEARTBEAT_RUN_STATUSES = ["queued", "running", "scheduled_retry"] as const;
 const UNSUCCESSFUL_HEARTBEAT_RUN_TERMINAL_STATUSES = ["interrupted", "failed", "cancelled", "timed_out"] as const;
+type ExecutionProvenance = { instanceNonce: string; seedEpoch: string };
 export const ACTIVE_RUN_OUTPUT_SUSPICION_THRESHOLD_MS = 60 * 60 * 1000;
 export const ACTIVE_RUN_OUTPUT_CRITICAL_THRESHOLD_MS = 4 * 60 * 60 * 1000;
 export const ACTIVE_RUN_OUTPUT_CONTINUE_REARM_MS = 30 * 60 * 1000;
@@ -809,7 +810,11 @@ export function recoveryService(db: Db, deps: { enqueueWakeup: RecoveryWakeup })
     return (await evaluateAgentInvokabilityFromDb(db, agent)).invokable;
   }
 
-  async function getLatestIssueRun(companyId: string, issueId: string): Promise<LatestIssueRun> {
+  async function getLatestIssueRun(
+    companyId: string,
+    issueId: string,
+    provenance?: ExecutionProvenance | null,
+  ): Promise<LatestIssueRun> {
     return db
       .select({
         id: heartbeatRuns.id,
@@ -828,6 +833,8 @@ export function recoveryService(db: Db, deps: { enqueueWakeup: RecoveryWakeup })
         and(
           eq(heartbeatRuns.companyId, companyId),
           sql`${heartbeatRuns.contextSnapshot} ->> 'issueId' = ${issueId}`,
+          provenance ? eq(heartbeatRuns.instanceNonce, provenance.instanceNonce) : undefined,
+          provenance ? eq(heartbeatRuns.seedEpoch, provenance.seedEpoch) : undefined,
         ),
       )
       .orderBy(desc(heartbeatRuns.createdAt), desc(heartbeatRuns.id))
@@ -839,6 +846,7 @@ export function recoveryService(db: Db, deps: { enqueueWakeup: RecoveryWakeup })
     companyId: string,
     issueId: string,
     agentId: string,
+    provenance?: ExecutionProvenance | null,
   ): Promise<LatestIssueRun> {
     return db
       .select({
@@ -859,6 +867,8 @@ export function recoveryService(db: Db, deps: { enqueueWakeup: RecoveryWakeup })
           eq(heartbeatRuns.companyId, companyId),
           eq(heartbeatRuns.agentId, agentId),
           sql`${heartbeatRuns.contextSnapshot} ->> 'issueId' = ${issueId}`,
+          provenance ? eq(heartbeatRuns.instanceNonce, provenance.instanceNonce) : undefined,
+          provenance ? eq(heartbeatRuns.seedEpoch, provenance.seedEpoch) : undefined,
         ),
       )
       .orderBy(desc(heartbeatRuns.createdAt), desc(heartbeatRuns.id))
@@ -872,6 +882,7 @@ export function recoveryService(db: Db, deps: { enqueueWakeup: RecoveryWakeup })
     agentId: string,
     errorCodeToMatch: string | null,
     since: Date | null = null,
+    provenance?: ExecutionProvenance | null,
   ) {
     const rows = await db
       .select({
@@ -887,6 +898,8 @@ export function recoveryService(db: Db, deps: { enqueueWakeup: RecoveryWakeup })
           eq(heartbeatRuns.companyId, companyId),
           eq(heartbeatRuns.agentId, agentId),
           sql`${heartbeatRuns.contextSnapshot} ->> 'issueId' = ${issueId}`,
+          provenance ? eq(heartbeatRuns.instanceNonce, provenance.instanceNonce) : undefined,
+          provenance ? eq(heartbeatRuns.seedEpoch, provenance.seedEpoch) : undefined,
           ...(since ? [or(gte(heartbeatRuns.createdAt, since), gte(heartbeatRuns.finishedAt, since))] : []),
         ),
       )
@@ -918,7 +931,12 @@ export function recoveryService(db: Db, deps: { enqueueWakeup: RecoveryWakeup })
     return { consecutive, latestFinishedAt };
   }
 
-  async function hasActiveExecutionPath(companyId: string, issueId: string, agentId?: string | null) {
+  async function hasActiveExecutionPath(
+    companyId: string,
+    issueId: string,
+    agentId?: string | null,
+    provenance?: ExecutionProvenance | null,
+  ) {
     const [run, deferredWake] = await Promise.all([
       db
         .select({ id: heartbeatRuns.id })
@@ -929,6 +947,8 @@ export function recoveryService(db: Db, deps: { enqueueWakeup: RecoveryWakeup })
             inArray(heartbeatRuns.status, [...EXECUTION_PATH_HEARTBEAT_RUN_STATUSES]),
             sql`${heartbeatRuns.contextSnapshot} ->> 'issueId' = ${issueId}`,
             agentId ? eq(heartbeatRuns.agentId, agentId) : sql`true`,
+            provenance ? eq(heartbeatRuns.instanceNonce, provenance.instanceNonce) : undefined,
+            provenance ? eq(heartbeatRuns.seedEpoch, provenance.seedEpoch) : undefined,
           ),
         )
         .limit(1)
@@ -942,6 +962,8 @@ export function recoveryService(db: Db, deps: { enqueueWakeup: RecoveryWakeup })
             eq(agentWakeupRequests.status, "deferred_issue_execution"),
             sql`${agentWakeupRequests.payload} ->> 'issueId' = ${issueId}`,
             agentId ? eq(agentWakeupRequests.agentId, agentId) : sql`true`,
+            provenance ? eq(agentWakeupRequests.instanceNonce, provenance.instanceNonce) : undefined,
+            provenance ? eq(agentWakeupRequests.seedEpoch, provenance.seedEpoch) : undefined,
           ),
         )
         .limit(1)
@@ -1011,7 +1033,12 @@ export function recoveryService(db: Db, deps: { enqueueWakeup: RecoveryWakeup })
       .then((rows) => Boolean(rows[0]));
   }
 
-  async function hasQueuedIssueWake(companyId: string, issueId: string, agentId?: string | null) {
+  async function hasQueuedIssueWake(
+    companyId: string,
+    issueId: string,
+    agentId?: string | null,
+    provenance?: ExecutionProvenance | null,
+  ) {
     return db
       .select({ id: agentWakeupRequests.id })
       .from(agentWakeupRequests)
@@ -1021,6 +1048,8 @@ export function recoveryService(db: Db, deps: { enqueueWakeup: RecoveryWakeup })
           eq(agentWakeupRequests.status, "queued"),
           sql`${agentWakeupRequests.payload} ->> 'issueId' = ${issueId}`,
           agentId ? eq(agentWakeupRequests.agentId, agentId) : sql`true`,
+          provenance ? eq(agentWakeupRequests.instanceNonce, provenance.instanceNonce) : undefined,
+          provenance ? eq(agentWakeupRequests.seedEpoch, provenance.seedEpoch) : undefined,
         ),
       )
       .limit(1)
@@ -1078,7 +1107,13 @@ export function recoveryService(db: Db, deps: { enqueueWakeup: RecoveryWakeup })
       .then((rows) => Boolean(rows[0]));
   }
 
-  async function getLatestIssueRunSince(companyId: string, issueId: string, agentId: string, since: Date): Promise<LatestIssueRun> {
+  async function getLatestIssueRunSince(
+    companyId: string,
+    issueId: string,
+    agentId: string,
+    since: Date,
+    provenance?: ExecutionProvenance | null,
+  ): Promise<LatestIssueRun> {
     return db
       .select({
         id: heartbeatRuns.id,
@@ -1099,6 +1134,8 @@ export function recoveryService(db: Db, deps: { enqueueWakeup: RecoveryWakeup })
           eq(heartbeatRuns.agentId, agentId),
           sql`${heartbeatRuns.contextSnapshot} ->> 'issueId' = ${issueId}`,
           or(gte(heartbeatRuns.createdAt, since), gte(heartbeatRuns.finishedAt, since)),
+          provenance ? eq(heartbeatRuns.instanceNonce, provenance.instanceNonce) : undefined,
+          provenance ? eq(heartbeatRuns.seedEpoch, provenance.seedEpoch) : undefined,
         ),
       )
       .orderBy(desc(heartbeatRuns.createdAt), desc(heartbeatRuns.id))
@@ -4045,7 +4082,10 @@ export function recoveryService(db: Db, deps: { enqueueWakeup: RecoveryWakeup })
       readNonEmptyString(monitor.externalRef) === latestRun.id;
   }
 
-  async function reconcileStrandedAssignedIssues(opts?: { issueCreatedAtGte?: Date | null }) {
+  async function reconcileStrandedAssignedIssues(opts?: {
+    issueCreatedAtGte?: Date | null;
+    executionProvenance?: ExecutionProvenance | null;
+  }) {
     const candidates = await db
       .select()
       .from(issues)
@@ -4097,7 +4137,7 @@ export function recoveryService(db: Db, deps: { enqueueWakeup: RecoveryWakeup })
         continue;
       }
 
-      let latestRun = await getLatestIssueRun(issue.companyId, issue.id);
+      let latestRun = await getLatestIssueRun(issue.companyId, issue.id, opts?.executionProvenance);
 
       const agent = await getAgent(agentId);
       const agentInvokable = agent && agent.companyId === issue.companyId
@@ -4139,6 +4179,7 @@ export function recoveryService(db: Db, deps: { enqueueWakeup: RecoveryWakeup })
         issue.companyId,
         issue.id,
         issue.status === "in_review" ? agentId : null,
+        opts?.executionProvenance,
       )) {
         result.skipped += 1;
         continue;
@@ -4198,7 +4239,12 @@ export function recoveryService(db: Db, deps: { enqueueWakeup: RecoveryWakeup })
       }
       const recoveryNow = new Date();
       const participantLatestRunForRecovery = issue.status === "in_review" && participantAgentId
-        ? await getLatestIssueRunForAgent(issue.companyId, issue.id, participantAgentId)
+        ? await getLatestIssueRunForAgent(
+            issue.companyId,
+            issue.id,
+            participantAgentId,
+            opts?.executionProvenance,
+          )
         : null;
       const providerQuotaMonitorRun = issue.status === "in_review"
         ? participantLatestRunForRecovery
@@ -4278,6 +4324,7 @@ export function recoveryService(db: Db, deps: { enqueueWakeup: RecoveryWakeup })
           agentId,
           CONTINUATION_WAITING_ON_REVIEW_ERROR_CODE,
           acceptedInteractionResolvedAt,
+          opts?.executionProvenance,
         );
         const successfulRunSinceResolution = await hasSuccessfulIssueRunSince(
           issue.companyId,
@@ -4293,7 +4340,7 @@ export function recoveryService(db: Db, deps: { enqueueWakeup: RecoveryWakeup })
             continue;
           }
 
-          if (await hasQueuedIssueWake(issue.companyId, issue.id, agentId)) {
+          if (await hasQueuedIssueWake(issue.companyId, issue.id, agentId, opts?.executionProvenance)) {
             result.skipped += 1;
             continue;
           }
@@ -4308,6 +4355,7 @@ export function recoveryService(db: Db, deps: { enqueueWakeup: RecoveryWakeup })
             issue.id,
             agentId,
             acceptedInteractionResolvedAt,
+            opts?.executionProvenance,
           );
           if (
             classifyContinuationFailure(latestPostResolutionRun).kind ===
@@ -4494,7 +4542,12 @@ export function recoveryService(db: Db, deps: { enqueueWakeup: RecoveryWakeup })
           continue;
         }
 
-        if (await hasQueuedIssueWake(issue.companyId, issue.id, participantAgentId)) {
+        if (await hasQueuedIssueWake(
+          issue.companyId,
+          issue.id,
+          participantAgentId,
+          opts?.executionProvenance,
+        )) {
           result.skipped += 1;
           continue;
         }
@@ -4529,7 +4582,7 @@ export function recoveryService(db: Db, deps: { enqueueWakeup: RecoveryWakeup })
 
       if (issue.status === "todo") {
         if (!latestRun) {
-          if (await hasQueuedIssueWake(issue.companyId, issue.id)) {
+          if (await hasQueuedIssueWake(issue.companyId, issue.id, null, opts?.executionProvenance)) {
             result.skipped += 1;
             continue;
           }
@@ -4761,6 +4814,8 @@ export function recoveryService(db: Db, deps: { enqueueWakeup: RecoveryWakeup })
             issue.id,
             agentId,
             classification.errorCode,
+            null,
+            opts?.executionProvenance,
           );
           if (consecutive >= classification.maxAttempts) {
             const attemptCopy = consecutive <= 1 ? "" : ` (${consecutive}× attempts)`;