diff --git a/src/queue/processors.ts b/src/queue/processors.ts
index 780540134c..80056c9a35 100644
--- a/src/queue/processors.ts
+++ b/src/queue/processors.ts
@@ -791,8 +791,12 @@ export async function fanOutRepoSignalSnapshotJobs(
   env: Env,
   requestedBy: "schedule" | "api" | "test",
 ): Promise<void> {
+  // #5019: most of what generateSignalSnapshots produces (queue-health, config-quality, label-audit,
+  // contributor-intake-health, issue-quality, repo-outcome-patterns) is generic repo health, unrelated to
+  // gittensor-subnet membership. The gittensor-specific pieces (maintainer-lane/maintainer-cut-readiness)
+  // already degrade gracefully for !isRegistered internally, so no other change is needed here.
   const repositories = (await listRepositories(env)).filter(
-    (repo) => repo.isRegistered,
+    (repo) => repo.isInstalled,
   );
   await Promise.all(
     repositories.map((repo, index) => {
diff --git a/src/queue/signal-snapshot.ts b/src/queue/signal-snapshot.ts
index 38787f0695..1a9c30ec4c 100644
--- a/src/queue/signal-snapshot.ts
+++ b/src/queue/signal-snapshot.ts
@@ -54,9 +54,13 @@ export async function generateSignalSnapshots(
   env: Env,
   repoFullName?: string,
 ): Promise<void> {
+  // #5019: this is the function the enqueued generate-signal-snapshots job actually calls, and it
+  // independently re-filters by the same field fanOutRepoSignalSnapshotJobs already checked -- both
+  // filters must move to isInstalled together, or a job enqueued for an installed-but-not-registered
+  // repo would reach here and silently no-op (repositories would come back empty).
   const repositories = (await listRepositories(env)).filter(
     (repo) =>
-      repo.isRegistered && (!repoFullName || repo.fullName === repoFullName),
+      repo.isInstalled && (!repoFullName || repo.fullName === repoFullName),
   );
   for (const repo of repositories) {
     const trendSince = new Date(
diff --git a/test/unit/queue-trends.test.ts b/test/unit/queue-trends.test.ts
index b48e8d9092..4c678054f5 100644
--- a/test/unit/queue-trends.test.ts
+++ b/test/unit/queue-trends.test.ts
@@ -171,7 +171,8 @@ describe("queue trend windows", () => {
 
   it("persists a compact trend snapshot during signal generation", async () => {
     const env = createTestEnv();
-    await upsertRepositoryFromGitHub(env, { name: "repo", full_name: "owner/repo", private: false, owner: { login: "owner" }, default_branch: "main" });
+    // generateSignalSnapshots now gates on isInstalled, not isRegistered (#5019).
+    await upsertRepositoryFromGitHub(env, { name: "repo", full_name: "owner/repo", private: false, owner: { login: "owner" }, default_branch: "main" }, 601);
     await env.DB.prepare("update repositories set is_registered = 1 where full_name = ?").bind("owner/repo").run();
     await persistRepoGithubTotalsSnapshot(env, totals(30, { openIssues: 10, openPrs: 2, merged: 5, closed: 1 }));
     await persistRepoGithubTotalsSnapshot(env, totals(0, { openIssues: 16, openPrs: 8, merged: 9, closed: 3 }));
@@ -197,6 +198,28 @@ describe("queue trend windows", () => {
       windows: expect.arrayContaining([expect.objectContaining({ windowDays: 30, status: "ready", pullRequestGrowth: 6 })]),
     });
   });
+
+  it("#5019: still generates a snapshot for an installed-but-not-registered repo (the enqueued job's own re-filter must not silently no-op)", async () => {
+    const env = createTestEnv();
+    await upsertRepositoryFromGitHub(env, { name: "repo", full_name: "acme/installed-only", private: false, owner: { login: "acme" }, default_branch: "main" }, 602);
+
+    await generateSignalSnapshots(env, "acme/installed-only");
+
+    // A repo this instance never processed would have no snapshot row at all; getting a real (non-null)
+    // snapshot back proves the inner isInstalled filter actually let this repo through, not just the
+    // outer fan-out filter fixed by the same issue.
+    await expect(getRepoQueueTrendSnapshot(env, "acme/installed-only")).resolves.not.toBeNull();
+  });
+
+  it("#5019: does not generate a snapshot for a registered-but-not-installed repo", async () => {
+    const env = createTestEnv();
+    await upsertRepositoryFromGitHub(env, { name: "repo", full_name: "acme/registered-only", private: false, owner: { login: "acme" } });
+    await env.DB.prepare("update repositories set is_registered = 1 where full_name = ?").bind("acme/registered-only").run();
+
+    await generateSignalSnapshots(env, "acme/registered-only");
+
+    await expect(getRepoQueueTrendSnapshot(env, "acme/registered-only")).resolves.toBeNull();
+  });
 });
 
 function totals(daysAgo: number, values: { openIssues: number; openPrs: number; merged: number; closed: number }): RepoGithubTotalsSnapshotRecord {
diff --git a/test/unit/queue.test.ts b/test/unit/queue.test.ts
index e8e9ac5ed8..20ac33ef81 100644
--- a/test/unit/queue.test.ts
+++ b/test/unit/queue.test.ts
@@ -59,7 +59,7 @@ import {
   listReviewSuppressions,
   setGlobalAgentFrozen,
 } from "../../src/db/repositories";
-import { agentMaintenanceHeadMatchesGate, buildBurdenForecasts, changedPathsForGuardrail, claimAiReviewLock, claimPrActuationLock, contributorEvidenceBatchSize, enrichOpenPullRequestsWithChangedFiles, processJob, reconcileLiveDuplicateSiblings, releaseAiReviewLock, releasePrActuationLock, reviewDurationMsSince, SWEEP_FANOUT_RESOLUTION_CONCURRENCY } from "../../src/queue/processors";
+import { agentMaintenanceHeadMatchesGate, buildBurdenForecasts, changedPathsForGuardrail, claimAiReviewLock, claimPrActuationLock, contributorEvidenceBatchSize, enrichOpenPullRequestsWithChangedFiles, fanOutRepoSignalSnapshotJobs, processJob, reconcileLiveDuplicateSiblings, releaseAiReviewLock, releasePrActuationLock, reviewDurationMsSince, SWEEP_FANOUT_RESOLUTION_CONCURRENCY } from "../../src/queue/processors";
 import type { PullRequestRecord } from "../../src/types";
 import { aiReviewCacheInputFingerprint } from "../../src/review/ai-review-cache-input";
 import { fingerprint as reviewMemoryFingerprint } from "../../src/review/review-memory-match";
@@ -483,6 +483,29 @@ describe("queue processors", () => {
     await expect(getBurdenForecast(env, "acme/registered-not-installed")).resolves.toBeNull();
   });
 
+  it("fans out signal-snapshot jobs by isInstalled, not isRegistered (#5019 regression)", async () => {
+    const sent: import("../../src/types").JobMessage[] = [];
+    const env = createTestEnv({
+      JOBS: {
+        async send(message: import("../../src/types").JobMessage) {
+          sent.push(message);
+        },
+      } as unknown as Queue,
+    });
+    vi.spyOn(repositoriesModule, "listRepositories").mockResolvedValue([
+      // Installed but not gittensor-subnet-registered: signal-snapshot generation is generic repo-health
+      // tracking (queue-health, config-quality, label-audit, contributor-intake-health, issue-quality,
+      // repo-outcome-patterns), unrelated to subnet economics, so this repo MUST still be covered.
+      { fullName: "acme/installed-not-registered", owner: "acme", name: "installed-not-registered", isInstalled: true, isRegistered: false, isPrivate: false },
+      // Subnet-registered but not installed on this instance: this repo must NOT be covered.
+      { fullName: "acme/registered-not-installed", owner: "acme", name: "registered-not-installed", isInstalled: false, isRegistered: true, isPrivate: false },
+    ]);
+
+    await fanOutRepoSignalSnapshotJobs(env, "test");
+
+    expect(sent).toEqual([expect.objectContaining({ type: "generate-signal-snapshots", repoFullName: "acme/installed-not-registered" })]);
+  });
+
   it("runs queued agent jobs through the queue processor", async () => {
     const queued: unknown[] = [];
     const env = createTestEnv({
@@ -893,9 +916,12 @@ describe("queue processors", () => {
           "we-promise/sure": { emission_share: 0.02, issue_discovery_share: 0, label_multipliers: {}, trusted_label_pipeline: false },
         },
         { kind: "raw-github", url: "fixture://registry" },
-        "2026-05-25T00:00:00.000Z",
+        "2026-05-23T00:00:00.000Z",
       ),
     );
+    // fanOutRepoSignalSnapshotJobs now gates on isInstalled, not isRegistered (#5019).
+    await upsertRepositoryFromGitHub(env, { name: "gittensory", full_name: "JSONbored/gittensory", private: true, owner: { login: "JSONbored" } }, 9403);
+    await upsertRepositoryFromGitHub(env, { name: "sure", full_name: "we-promise/sure", private: true, owner: { login: "we-promise" } }, 9404);
 
     await processJob(env, { type: "generate-signal-snapshots", requestedBy: "schedule" });