diff --git a/convex/canonicalTrending.test.ts b/convex/canonicalTrending.test.ts
index e5bc50a1..095f67f2 100644
--- a/convex/canonicalTrending.test.ts
+++ b/convex/canonicalTrending.test.ts
@@ -829,6 +829,15 @@ describe("canonical Trending snapshot storage", () => {
         .unique();
       if (!control) throw new Error("catalog control missing");
       await ctx.db.patch(control._id, { mirrorPublicVisibilityEnabled: true });
+      const mirrorControl = await ctx.db
+        .query("skillsShMirrorControls")
+        .withIndex("by_key", (q) => q.eq("key", "global"))
+        .unique();
+      if (!mirrorControl) throw new Error("mirror control missing");
+      await ctx.db.patch(mirrorControl._id, {
+        activationLockToken: "native-only-lock",
+        activationLockedAt: now,
+      });
     });
     const pageResult = await t.query(internal.canonicalTrending.getPageInternal, {
       cursor: null,
@@ -866,5 +875,21 @@ describe("canonical Trending snapshot storage", () => {
         },
       }),
     ]);
+
+    const nativeOnly = await t.action(internal.canonicalTrending.materializeInternal, {
+      activationLockToken: "native-only-lock",
+      skillsShMode: "native-only",
+    });
+    expect(nativeOnly).toMatchObject({
+      status: "ready",
+      totalItems: 1,
+      sourceCounts: { clawhubTrending: 1, clawhubRising: 1, skillsShTrending: 0 },
+    });
+    await expect(
+      t.query(internal.canonicalTrending.getPageInternal, { cursor: null, limit: 20 }),
+    ).resolves.toMatchObject({
+      status: "ok",
+      page: { items: [{ source: "clawhub" }] },
+    });
   });
 });
diff --git a/convex/canonicalTrending.ts b/convex/canonicalTrending.ts
index fc73216c..e3d06ad5 100644
--- a/convex/canonicalTrending.ts
+++ b/convex/canonicalTrending.ts
@@ -215,7 +215,10 @@ export const getExternalSourcePageInternal = internalQuery({
 });
 
 export const getMaterializationModeInternal = internalQuery({
-  args: { activationLockToken: v.optional(v.string()) },
+  args: {
+    activationLockToken: v.optional(v.string()),
+    skillsShMode: v.optional(v.literal("native-only")),
+  },
   handler: async (ctx, args) => {
     const control = await ctx.db
       .query("skillsShMirrorControls")
@@ -331,6 +334,7 @@ export const finalizeSnapshotInternal = internalMutation({
     totalItems: v.number(),
     sourceCounts: sourceCountsValidator,
     operations: operationsValidator,
+    activationLockToken: v.optional(v.string()),
   },
   handler: async (ctx, args) => {
     const snapshot = await ctx.db
@@ -343,6 +347,17 @@ export const finalizeSnapshotInternal = internalMutation({
     if (snapshot.writtenItems !== args.totalItems) {
       throw new Error("Trending snapshot item count mismatch");
     }
+    const mirrorControl = await ctx.db
+      .query("skillsShMirrorControls")
+      .withIndex("by_key", (q) => q.eq("key", "global"))
+      .unique();
+    if (args.activationLockToken) {
+      if (mirrorControl?.activationLockToken !== args.activationLockToken) {
+        throw new Error("skills.sh activation lock changed before Trending publication");
+      }
+    } else if (mirrorControl?.activationLockToken) {
+      throw new Error("skills.sh activation started before Trending publication");
+    }
     await ctx.db.patch(snapshot._id, {
       status: "ready",
       completedAt: args.completedAt,
@@ -421,6 +436,7 @@ export const materializeInternal = internalAction({
   args: {
     proofSnapshotId: v.optional(v.string()),
     activationLockToken: v.optional(v.string()),
+    skillsShMode: v.optional(v.literal("native-only")),
   },
   handler: async (ctx, args) => {
     if (args.proofSnapshotId !== undefined) {
@@ -429,6 +445,9 @@ export const materializeInternal = internalAction({
         throw new Error("Invalid CLAW-590 proof snapshot ID");
       }
     }
+    if (args.skillsShMode === "native-only" && !args.activationLockToken) {
+      throw new Error("native-only Trending materialization requires a visibility lock");
+    }
     const startedAt = Date.now();
     const snapshotId = args.proofSnapshotId ?? `skills-${startedAt}`;
     let snapshotStarted = false;
@@ -439,7 +458,10 @@ export const materializeInternal = internalAction({
     try {
       await ctx.runQuery(
         internalRefs.canonicalTrending.getMaterializationModeInternal as never,
-        { activationLockToken: args.activationLockToken } as never,
+        {
+          activationLockToken: args.activationLockToken,
+          skillsShMode: args.skillsShMode,
+        } as never,
       );
       functionCalls += 1;
       type HourlyWindow = {
@@ -493,7 +515,10 @@ export const materializeInternal = internalAction({
         documentsRead: 0,
         functionCalls: 0,
       };
-      if (getRuntimeRolloutCapabilities().skillsSh.runtimeEnabled) {
+      if (
+        args.skillsShMode !== "native-only" &&
+        getRuntimeRolloutCapabilities().skillsSh.runtimeEnabled
+      ) {
         const candidateRun = (await ctx.runQuery(
           internalRefs.canonicalTrending.getLatestCompletedTrendingRunInternal as never,
           {},
@@ -608,6 +633,7 @@ export const materializeInternal = internalAction({
           totalItems: blended.length,
           sourceCounts,
           operations,
+          activationLockToken: args.activationLockToken,
         } as never,
       );
       functionCalls += 1;
diff --git a/convex/httpApiV1/skillsShCatalogV1.ts b/convex/httpApiV1/skillsShCatalogV1.ts
index 7ef0ad5b..ea5f60ba 100644
--- a/convex/httpApiV1/skillsShCatalogV1.ts
+++ b/convex/httpApiV1/skillsShCatalogV1.ts
@@ -72,6 +72,8 @@ const internalRefs = internal as unknown as {
     storeSourcePageInternal: unknown;
   };
   skillsShMirrorVisibility: {
+    deactivateAndMaterializeInternal: unknown;
+    prepareNativeTrendingInternal: unknown;
     setPublicGateInternal: unknown;
     verifyAndActivateInternal: unknown;
   };
@@ -688,6 +690,36 @@ export async function skillsShCatalogTestV1Handler(ctx: ActionCtx, request: Requ
         rate.headers,
       );
     }
+    if (operation === "mirror-prepare-native-trending") {
+      return json(
+        await runActionRef(
+          ctx,
+          internalRefs.skillsShMirrorVisibility.prepareNativeTrendingInternal,
+          {
+            actor,
+            reason: requireString(body, "reason"),
+            confirm: requireString(body, "confirm"),
+          },
+        ),
+        200,
+        rate.headers,
+      );
+    }
+    if (operation === "mirror-deactivate-native-trending") {
+      return json(
+        await runActionRef(
+          ctx,
+          internalRefs.skillsShMirrorVisibility.deactivateAndMaterializeInternal,
+          {
+            actor,
+            reason: requireString(body, "reason"),
+            confirm: requireString(body, "confirm"),
+          },
+        ),
+        200,
+        rate.headers,
+      );
+    }
     if (operation === "mirror-public-gate") {
       return json(
         await runMutationRef(ctx, internalRefs.skillsShMirrorVisibility.setPublicGateInternal, {
diff --git a/convex/skillsShMirrorVisibility.test.ts b/convex/skillsShMirrorVisibility.test.ts
index 30db0b2a..52bf0c8a 100644
--- a/convex/skillsShMirrorVisibility.test.ts
+++ b/convex/skillsShMirrorVisibility.test.ts
@@ -347,6 +347,51 @@ describe("skills.sh mirror visibility operations", () => {
         reason: "CLAW-603 verification test",
         updatedAt: now - 2_000,
       });
+      const nativeOwnerId = await ctx.db.insert("users", {
+        handle: "native-owner",
+        displayName: "Native owner",
+        createdAt: now - 10_000,
+        updatedAt: now,
+      });
+      const nativeSkillId = await ctx.db.insert("skills", {
+        slug: "native-ready",
+        displayName: "Native ready",
+        summary: "Native canonical Trending fixture",
+        ownerUserId: nativeOwnerId,
+        tags: {},
+        statsInstallsAllTime: 900,
+        stats: { downloads: 1_000, installsAllTime: 900, stars: 20, versions: 1, comments: 0 },
+        createdAt: now - 10_000,
+        updatedAt: now,
+      });
+      const nativeVersionId = await ctx.db.insert("skillVersions", {
+        skillId: nativeSkillId,
+        version: "1.0.0",
+        changelog: "Initial",
+        files: [],
+        parsed: { frontmatter: {} },
+        createdBy: nativeOwnerId,
+        createdAt: now - 10_000,
+      });
+      await ctx.db.insert("skillSearchDigest", {
+        skillId: nativeSkillId,
+        slug: "native-ready",
+        displayName: "Native ready",
+        summary: "Native canonical Trending fixture",
+        ownerUserId: nativeOwnerId,
+        ownerHandle: "native-owner",
+        ownerKind: "user",
+        ownerName: "Native owner",
+        ownerDisplayName: "Native owner",
+        latestVersionId: nativeVersionId,
+        latestVersionSkillId: nativeSkillId,
+        publicVersion: { status: "available", versionId: nativeVersionId },
+        tags: {},
+        statsInstallsAllTime: 900,
+        stats: { downloads: 1_000, installsAllTime: 900, stars: 20, versions: 1, comments: 0 },
+        createdAt: now - 10_000,
+        updatedAt: now,
+      });
       await ctx.db.insert("skillHourlyStatStates", {
         key: "canonical_trending",
         liveStartedAt: now - 3_600_000,
@@ -357,6 +402,16 @@ describe("skills.sh mirror visibility operations", () => {
         lastProcessedEventCreationTime: 100,
         updatedAt: now,
       });
+      await ctx.db.insert("skillHourlyStats", {
+        skillId: nativeSkillId,
+        hour: window.endHour,
+        generation: 0,
+        downloads: 18,
+        installs: 12,
+        bookmarks: 4,
+        updatedAt: now,
+        expiresAt: now + 72 * 3_600_000,
+      });
     });
 
     await expect(
@@ -402,6 +457,69 @@ describe("skills.sh mirror visibility operations", () => {
     }));
     expect(activationState.mirrorControl?.activationLockToken).toBeUndefined();
     expect(activationState.snapshots).toHaveLength(1);
+    await expect(
+      t.query(internal.canonicalTrending.getPageInternal, { cursor: null, limit: 20 }),
+    ).resolves.toMatchObject({
+      status: "ok",
+      page: { items: [{ source: "clawhub" }, { source: "skills-sh" }] },
+    });
+
+    await t.run(async (ctx) => {
+      const state = await ctx.db
+        .query("skillHourlyStatStates")
+        .withIndex("by_key", (q) => q.eq("key", "canonical_trending"))
+        .unique();
+      if (!state) throw new Error("hourly state missing");
+      await ctx.db.delete(state._id);
+    });
+    await expect(
+      t.action(internal.skillsShMirrorVisibility.deactivateAndMaterializeInternal, {
+        actor: "codex-test",
+        reason: "CLAW-603 fail-closed rollback",
+        confirm: "deactivate-skills-sh-public-test",
+      }),
+    ).rejects.toThrow("native-only canonical Trending did not become ready");
+    await expect(
+      t.query(internal.canonicalTrending.getPageInternal, { cursor: null, limit: 20 }),
+    ).resolves.toMatchObject({
+      status: "ok",
+      page: { items: [{ source: "clawhub" }] },
+    });
+    await t.run(async (ctx) => {
+      await ctx.db.insert("skillHourlyStatStates", {
+        key: "canonical_trending",
+        liveStartedAt: now - 3_600_000,
+        eventBackfillThroughCreationTime: 100,
+        activeGeneration: 1,
+        backfillCompletedAt: now - 1_000,
+        lastAggregationCompletedAt: window.endAt + 1,
+        lastProcessedEventCreationTime: 100,
+        updatedAt: now,
+      });
+    });
+
+    await expect(
+      t.action(internal.skillsShMirrorVisibility.deactivateAndMaterializeInternal, {
+        actor: "codex-test",
+        reason: "CLAW-603 native-only rollback",
+        confirm: "deactivate-skills-sh-public-test",
+      }),
+    ).resolves.toMatchObject({
+      ok: true,
+      enabled: false,
+      nativeTrending: {
+        status: "ready",
+        sourceCounts: { clawhubTrending: 1, clawhubRising: 1, skillsShTrending: 0 },
+      },
+      scansPlanned: 0,
+      scansAdmitted: 0,
+    });
+    await expect(
+      t.query(internal.canonicalTrending.getPageInternal, { cursor: null, limit: 20 }),
+    ).resolves.toMatchObject({
+      status: "ok",
+      page: { items: [{ source: "clawhub" }] },
+    });
   });
 
   it("reclaims an abandoned activation lock after its bounded lease", async () => {
@@ -465,6 +583,39 @@ describe("skills.sh mirror visibility operations", () => {
     });
   });
 
+  it("prepares native-only publication without enabling a missing mirror control", async () => {
+    const t = convexTest(schema, modules);
+    await t.mutation(internal.skillsShMirrorVisibility.beginNativeTrendingInternal, {
+      actor: "codex-test",
+      reason: "prepare native-only Trending",
+      confirm: "deactivate-skills-sh-public-test",
+      lockToken: "native-only-lock",
+    });
+    await expect(
+      t.run(async (ctx) =>
+        ctx.db
+          .query("skillsShMirrorControls")
+          .withIndex("by_key", (q) => q.eq("key", "global"))
+          .unique(),
+      ),
+    ).resolves.toMatchObject({
+      enabled: false,
+      paused: true,
+      maxRowsPerRun: 0,
+      maxRowsPerBatch: 0,
+      maxDetailBytes: 0,
+      activationLockToken: "native-only-lock",
+    });
+    await expect(
+      t.mutation(internal.skillsShMirrorVisibility.beginActivationInternal, {
+        actor: "codex-test",
+        reason: "must wait for native-only snapshot",
+        confirm: "activate-skills-sh-public-test",
+        lockToken: "activation-lock",
+      }),
+    ).rejects.toThrow("skills.sh mirror control is not active");
+  });
+
   it("rejects a completed Trending run older than the selected leaderboard import", async () => {
     const t = convexTest(schema, modules);
     await t.run(async (ctx) => {
@@ -533,11 +684,11 @@ describe("skills.sh mirror visibility operations", () => {
       };
     });
 
-    await t.mutation(internal.skillsShMirrorVisibility.setPublicGateInternal, {
-      enabled: false,
+    await t.mutation(internal.skillsShMirrorVisibility.beginDeactivationInternal, {
       actor: "codex-test",
       reason: "systemic rollback",
       confirm: "deactivate-skills-sh-public-test",
+      lockToken: "native-rollback-lock",
     });
     const control = await t.run(async (ctx) =>
       ctx.db
@@ -545,8 +696,8 @@ describe("skills.sh mirror visibility operations", () => {
         .withIndex("by_key", (q) => q.eq("key", "global"))
         .unique(),
     );
-    expect(control?.activationLockToken).toBeUndefined();
-    expect(control?.activationLockedAt).toBeUndefined();
+    expect(control?.activationLockToken).toBe("native-rollback-lock");
+    expect(control?.activationLockedAt).toEqual(expect.any(Number));
     expect(control?.activationLeaderboardRunId).toBeUndefined();
     expect(control?.activationTrendingRunId).toBeUndefined();
     await expect(
diff --git a/convex/skillsShMirrorVisibility.ts b/convex/skillsShMirrorVisibility.ts
index 06043305..ab555496 100644
--- a/convex/skillsShMirrorVisibility.ts
+++ b/convex/skillsShMirrorVisibility.ts
@@ -21,8 +21,11 @@ const internalRefs = internal as unknown as {
   canonicalTrending: { materializeInternal: unknown };
   skillsShMirrorVisibility: {
     beginActivationInternal: unknown;
+    beginDeactivationInternal: unknown;
+    beginNativeTrendingInternal: unknown;
     finalizeActivationInternal: unknown;
     releaseActivationInternal: unknown;
+    setPublicGateInternal: unknown;
   };
 };
 
@@ -298,6 +301,26 @@ function publicGateValue(args: { enabled: boolean; actor: string; reason: string
   };
 }
 
+function disabledMirrorControl(args: {
+  actor: string;
+  reason: string;
+  now: number;
+  lockToken: string;
+}) {
+  return {
+    enabled: false,
+    paused: true,
+    maxRowsPerRun: 0,
+    maxRowsPerBatch: 0,
+    maxDetailBytes: 0,
+    activationLockToken: args.lockToken,
+    activationLockedAt: args.now,
+    updatedBy: args.actor,
+    reason: args.reason,
+    updatedAt: args.now,
+  };
+}
+
 async function writePublicGate(
   ctx: Pick<MutationCtx, "db">,
   args: { enabled: boolean; actor: string; reason: string; now: number },
@@ -365,6 +388,205 @@ export const setPublicGateInternal = internalMutation({
   },
 });
 
+export const beginDeactivationInternal = internalMutation({
+  args: {
+    actor: v.string(),
+    reason: v.string(),
+    confirm: v.string(),
+    lockToken: v.string(),
+  },
+  handler: async (ctx, args) => {
+    const environment = assertSkillsShPublicVisibilityMutationAllowed({
+      activate: false,
+      confirm: args.confirm,
+    });
+    const actor = args.actor.trim();
+    const reason = args.reason.trim();
+    const lockToken = args.lockToken.trim();
+    if (!actor || !reason || !lockToken) {
+      throw new Error("skills.sh deactivation actor, reason, and lock token are required");
+    }
+    const now = Date.now();
+    const mirrorControl = await ctx.db
+      .query("skillsShMirrorControls")
+      .withIndex("by_key", (q) => q.eq("key", CONTROL_KEY))
+      .unique();
+    await writePublicGate(ctx, { enabled: false, actor, reason, now });
+    if (mirrorControl) {
+      await ctx.db.patch(mirrorControl._id, {
+        activationLockToken: lockToken,
+        activationLockedAt: now,
+        activationLeaderboardRunId: undefined,
+        activationTrendingRunId: undefined,
+        updatedBy: actor,
+        reason,
+        updatedAt: now,
+      });
+    } else {
+      await ctx.db.insert("skillsShMirrorControls", {
+        key: CONTROL_KEY,
+        ...disabledMirrorControl({ actor, reason, now, lockToken }),
+      });
+    }
+    return {
+      ok: true as const,
+      environment,
+      enabled: false as const,
+      updatedAt: now,
+      scansPlanned: 0 as const,
+      scansAdmitted: 0 as const,
+    };
+  },
+});
+
+export const beginNativeTrendingInternal = internalMutation({
+  args: {
+    actor: v.string(),
+    reason: v.string(),
+    confirm: v.string(),
+    lockToken: v.string(),
+  },
+  handler: async (ctx, args) => {
+    const environment = assertSkillsShPublicVisibilityMutationAllowed({
+      activate: false,
+      confirm: args.confirm,
+    });
+    const actor = args.actor.trim();
+    const reason = args.reason.trim();
+    const lockToken = args.lockToken.trim();
+    if (!actor || !reason || !lockToken) {
+      throw new Error("skills.sh native Trending actor, reason, and lock token are required");
+    }
+    const now = Date.now();
+    const [catalogControl, mirrorControl] = await Promise.all([
+      ctx.db
+        .query("skillsShCatalogControls")
+        .withIndex("by_key", (q) => q.eq("key", CONTROL_KEY))
+        .unique(),
+      ctx.db
+        .query("skillsShMirrorControls")
+        .withIndex("by_key", (q) => q.eq("key", CONTROL_KEY))
+        .unique(),
+    ]);
+    if (catalogControl?.mirrorPublicVisibilityEnabled === true) {
+      throw new Error("skills.sh native Trending preflight requires a closed public gate");
+    }
+    if (
+      mirrorControl?.activationLockToken &&
+      mirrorControl.activationLockToken !== lockToken &&
+      mirrorControl.activationLockedAt !== undefined &&
+      mirrorControl.activationLockedAt > now - ACTIVATION_LOCK_LEASE_MS
+    ) {
+      throw new Error("another skills.sh public activation is in progress");
+    }
+    if (mirrorControl) {
+      await ctx.db.patch(mirrorControl._id, {
+        activationLockToken: lockToken,
+        activationLockedAt: now,
+        activationLeaderboardRunId: undefined,
+        activationTrendingRunId: undefined,
+        updatedBy: actor,
+        reason,
+        updatedAt: now,
+      });
+    } else {
+      await ctx.db.insert("skillsShMirrorControls", {
+        key: CONTROL_KEY,
+        ...disabledMirrorControl({ actor, reason, now, lockToken }),
+      });
+    }
+    return { environment, lockToken };
+  },
+});
+
+async function materializeNativeTrending(ctx: Pick<ActionCtx, "runAction">, lockToken: string) {
+  const nativeTrending = (await ctx.runAction(
+    internalRefs.canonicalTrending.materializeInternal as never,
+    { activationLockToken: lockToken, skillsShMode: "native-only" } as never,
+  )) as {
+    status: "ready" | "unavailable";
+    snapshotId?: string;
+    sourceCounts?: { clawhubTrending: number; clawhubRising: number; skillsShTrending: number };
+  };
+  if (nativeTrending.status !== "ready" || nativeTrending.sourceCounts?.skillsShTrending !== 0) {
+    throw new Error("native-only canonical Trending did not become ready");
+  }
+  return nativeTrending;
+}
+
+async function materializeNativeTrendingWithLock(
+  ctx: Pick<ActionCtx, "runAction" | "runMutation">,
+  args: { actor: string; reason: string; confirm: string },
+) {
+  const lockToken = `skills-sh-native-trending:${crypto.randomUUID()}`;
+  const locked = (await ctx.runMutation(
+    internalRefs.skillsShMirrorVisibility.beginNativeTrendingInternal as never,
+    { ...args, lockToken } as never,
+  )) as { environment: "test" | "production" };
+  try {
+    return {
+      environment: locked.environment,
+      nativeTrending: await materializeNativeTrending(ctx, lockToken),
+    };
+  } finally {
+    await ctx.runMutation(
+      internalRefs.skillsShMirrorVisibility.releaseActivationInternal as never,
+      { lockToken } as never,
+    );
+  }
+}
+
+export const prepareNativeTrendingInternal = internalAction({
+  args: {
+    actor: v.string(),
+    reason: v.string(),
+    confirm: v.string(),
+  },
+  handler: async (ctx, args) => {
+    const { environment, nativeTrending } = await materializeNativeTrendingWithLock(ctx, args);
+    return {
+      ok: true as const,
+      environment,
+      nativeTrending,
+      scansPlanned: 0 as const,
+      scansAdmitted: 0 as const,
+    };
+  },
+});
+
+export const deactivateAndMaterializeInternal = internalAction({
+  args: {
+    actor: v.string(),
+    reason: v.string(),
+    confirm: v.string(),
+  },
+  handler: async (ctx, args) => {
+    const lockToken = `skills-sh-native-trending:${crypto.randomUUID()}`;
+    // Close the gate and replace any activation lock atomically so an
+    // in-flight or newly starting activation cannot reopen the lane.
+    const deactivation = (await ctx.runMutation(
+      internalRefs.skillsShMirrorVisibility.beginDeactivationInternal as never,
+      { ...args, lockToken } as never,
+    )) as {
+      ok: true;
+      environment: "test" | "production";
+      enabled: false;
+      updatedAt: number;
+      scansPlanned: 0;
+      scansAdmitted: 0;
+    };
+    try {
+      const nativeTrending = await materializeNativeTrending(ctx, lockToken);
+      return { ...deactivation, nativeTrending };
+    } finally {
+      await ctx.runMutation(
+        internalRefs.skillsShMirrorVisibility.releaseActivationInternal as never,
+        { lockToken } as never,
+      );
+    }
+  },
+});
+
 export const beginActivationInternal = internalMutation({
   args: {
     actor: v.string(),
diff --git a/scripts/skills-sh-catalog/sync.test.ts b/scripts/skills-sh-catalog/sync.test.ts
index 1558b47c..dbd7ee69 100644
--- a/scripts/skills-sh-catalog/sync.test.ts
+++ b/scripts/skills-sh-catalog/sync.test.ts
@@ -45,6 +45,17 @@ function completedRun(sourceView: "leaderboard" | "trending", scansPlanned = 0)
   };
 }
 
+function nativeTrendingPreparation() {
+  return response({
+    ok: true,
+    nativeTrending: {
+      status: "ready",
+      snapshotId: "skills-native-before-import",
+      sourceCounts: { clawhubTrending: 1, clawhubRising: 1, skillsShTrending: 0 },
+    },
+  });
+}
+
 describe("skills.sh synchronization runner", () => {
   it("refreshes GitHub OIDC authorization before the cached token expires", async () => {
     let now = 1_000_000;
@@ -80,7 +91,9 @@ describe("skills.sh synchronization runner", () => {
       operations.push(String(body.operation));
       switch (body.operation) {
         case "status":
-          return response({ runs: [] });
+          return response({ runs: [], invariants: { publicVisible: false } });
+        case "prepare-native-trending":
+          return nativeTrendingPreparation();
         case "configure":
           return response({ ok: true, enabled: body.enabled });
         case "start":
@@ -121,6 +134,12 @@ describe("skills.sh synchronization runner", () => {
       }),
     ).resolves.toMatchObject({
       ok: true,
+      nativeBefore: {
+        nativeTrending: {
+          status: "ready",
+          sourceCounts: { skillsShTrending: 0 },
+        },
+      },
       leaderboard: { status: "completed" },
       trending: { status: "completed" },
       activation: { activated: true },
@@ -130,6 +149,7 @@ describe("skills.sh synchronization runner", () => {
     expect(operations).toEqual([
       "status",
       "configure",
+      "prepare-native-trending",
       "start",
       "step",
       "start-trending",
@@ -163,8 +183,11 @@ describe("skills.sh synchronization runner", () => {
                     startedAt: 1,
                   },
                 ],
+                invariants: { publicVisible: false },
               })
-            : response({ runs: [] });
+            : response({ runs: [], invariants: { publicVisible: true } });
+        case "prepare-native-trending":
+          return nativeTrendingPreparation();
         case "configure":
           return response({ ok: true, enabled: body.enabled });
         case "step":
@@ -193,6 +216,7 @@ describe("skills.sh synchronization runner", () => {
     expect(operations).toEqual([
       "status",
       "configure",
+      "prepare-native-trending",
       "step",
       "start-trending",
       "verify-activate",
@@ -224,7 +248,9 @@ describe("skills.sh synchronization runner", () => {
       );
       switch (body.operation) {
         case "status":
-          return response({ runs: [] });
+          return response({ runs: [], invariants: { publicVisible: false } });
+        case "prepare-native-trending":
+          return nativeTrendingPreparation();
         case "configure":
           return response({ ok: true, enabled: body.enabled });
         case "start":
@@ -273,6 +299,7 @@ describe("skills.sh synchronization runner", () => {
     expect(requests).toEqual([
       "status",
       "configure",
+      "prepare-native-trending",
       "start",
       "step:9:50",
       "step:9:50",
@@ -303,7 +330,9 @@ describe("skills.sh synchronization runner", () => {
       const body = JSON.parse(String(init.body)) as Record<string, unknown>;
       switch (body.operation) {
         case "status":
-          return response({ runs: [] });
+          return response({ runs: [], invariants: { publicVisible: false } });
+        case "prepare-native-trending":
+          return nativeTrendingPreparation();
         case "configure":
           return response({ ok: true, enabled: body.enabled });
         case "start":
@@ -346,7 +375,10 @@ describe("skills.sh synchronization runner", () => {
     const fetchImpl = vi.fn(async (_url: string, init: RequestInit) => {
       const body = JSON.parse(String(init.body)) as Record<string, unknown>;
       operations.push(String(body.operation));
-      if (body.operation === "status") return response({ runs: [] });
+      if (body.operation === "status") {
+        return response({ runs: [], invariants: { publicVisible: false } });
+      }
+      if (body.operation === "prepare-native-trending") return nativeTrendingPreparation();
       if (body.operation === "configure") return response({ ok: true });
       if (body.operation === "start") {
         return response({
@@ -371,7 +403,15 @@ describe("skills.sh synchronization runner", () => {
         fetchImpl,
       }),
     ).rejects.toThrow("scheduled a ClawHub scan");
-    expect(operations).toEqual(["status", "configure", "start", "step", "deactivate", "configure"]);
+    expect(operations).toEqual([
+      "status",
+      "configure",
+      "prepare-native-trending",
+      "start",
+      "step",
+      "deactivate",
+      "configure",
+    ]);
   });
 
   it("closes the skills.sh lane when server-side activation verification fails", async () => {
@@ -379,7 +419,10 @@ describe("skills.sh synchronization runner", () => {
     const fetchImpl = vi.fn(async (_url: string, init: RequestInit) => {
       const body = JSON.parse(String(init.body)) as Record<string, unknown>;
       operations.push(String(body.operation));
-      if (body.operation === "status") return response({ runs: [] });
+      if (body.operation === "status") {
+        return response({ runs: [], invariants: { publicVisible: false } });
+      }
+      if (body.operation === "prepare-native-trending") return nativeTrendingPreparation();
       if (body.operation === "configure") return response({ ok: true });
       if (body.operation === "start") return response(completedRun("leaderboard"));
       if (body.operation === "start-trending") return response(completedRun("trending"));
@@ -401,6 +444,7 @@ describe("skills.sh synchronization runner", () => {
     expect(operations).toEqual([
       "status",
       "configure",
+      "prepare-native-trending",
       "start",
       "start-trending",
       "verify-activate",
@@ -414,7 +458,9 @@ describe("skills.sh synchronization runner", () => {
     const fetchImpl = vi.fn(async (_url: string, init: RequestInit) => {
       const body = JSON.parse(String(init.body)) as Record<string, unknown>;
       operations.push(String(body.operation));
-      if (body.operation === "status") return response({ runs: [] });
+      if (body.operation === "status") {
+        return response({ runs: [], invariants: { publicVisible: true } });
+      }
       if (body.operation === "configure") return response({ ok: true });
       if (body.operation === "start") return response({ error: "upstream unavailable" }, 503);
       throw new Error(`unexpected operation ${String(body.operation)}`);
diff --git a/scripts/skills-sh-catalog/sync.ts b/scripts/skills-sh-catalog/sync.ts
index b27133ff..c148cb20 100644
--- a/scripts/skills-sh-catalog/sync.ts
+++ b/scripts/skills-sh-catalog/sync.ts
@@ -266,11 +266,29 @@ export async function runSkillsShSync(options: {
 
   const startedAt = Date.now();
   const before = await call({ operation: "status" });
+  const publicVisible = (before.invariants as Record<string, unknown> | undefined)?.publicVisible;
+  if (typeof publicVisible !== "boolean") {
+    throw new Error("skills.sh mirror status is missing the public visibility invariant");
+  }
   const recoverable = findRecoverableMirrorRun(before) as
     | (MirrorRun & { sourceView?: "leaderboard" | "trending" })
     | null;
+  let nativeBefore: Record<string, unknown> | null = null;
   await call({ operation: "configure", enabled: true, reason: options.reason });
   try {
+    nativeBefore = publicVisible
+      ? null
+      : await call({
+          operation: "prepare-native-trending",
+          reason: `${options.reason} native-only preflight`,
+        });
+    if (nativeBefore) {
+      const nativeTrending = nativeBefore.nativeTrending as Record<string, unknown> | undefined;
+      const sourceCounts = nativeTrending?.sourceCounts as Record<string, unknown> | undefined;
+      if (nativeTrending?.status !== "ready" || sourceCounts?.skillsShTrending !== 0) {
+        throw new Error("native-only canonical Trending preflight did not become ready");
+      }
+    }
     const recoveredSourceView = recoverable?.sourceView ?? "leaderboard";
     const recovered = recoverable ? await completeRun(recoverable, recoveredSourceView) : null;
     const leaderboard =
@@ -298,6 +316,7 @@ export async function runSkillsShSync(options: {
       completedAt: new Date().toISOString(),
       durationMs: Date.now() - startedAt,
       before,
+      ...(nativeBefore ? { nativeBefore } : {}),
       ...(recovered ? { recovered } : {}),
       leaderboard,
       trending,
diff --git a/server/routes/ops/skills-sh/mirror-test.post.ts b/server/routes/ops/skills-sh/mirror-test.post.ts
index e732e8aa..80b39ad4 100644
--- a/server/routes/ops/skills-sh/mirror-test.post.ts
+++ b/server/routes/ops/skills-sh/mirror-test.post.ts
@@ -49,6 +49,7 @@ type MirrorRequest = {
   operation?:
     | "configure"
     | "verify-activate"
+    | "prepare-native-trending"
     | "deactivate"
     | "start"
     | "start-trending"
@@ -295,11 +296,19 @@ export function createSkillsShMirrorRoute(target: keyof typeof ROUTE_CONFIG) {
           }),
         );
       }
+      if (operation === "prepare-native-trending") {
+        return jsonResponse(
+          await callConvexOperator(authorization, {
+            operation: "mirror-prepare-native-trending",
+            reason: requireString(body.reason, "reason"),
+            confirm: config.deactivateConfirm,
+          }),
+        );
+      }
       if (operation === "deactivate") {
         return jsonResponse(
           await callConvexOperator(authorization, {
-            operation: "mirror-public-gate",
-            enabled: false,
+            operation: "mirror-deactivate-native-trending",
             reason: requireString(body.reason, "reason"),
             confirm: config.deactivateConfirm,
           }),
diff --git a/server/skillsShMirrorProductionRoute.test.ts b/server/skillsShMirrorProductionRoute.test.ts
index ede2d337..744c96dd 100644
--- a/server/skillsShMirrorProductionRoute.test.ts
+++ b/server/skillsShMirrorProductionRoute.test.ts
@@ -197,6 +197,12 @@ describe("skills.sh production mirror route", () => {
     vi.stubGlobal("fetch", convexFetch);
     const handler = (await import("./routes/ops/skills-sh/mirror.post")).default;
 
+    readBodyMock.mockResolvedValueOnce({
+      operation: "prepare-native-trending",
+      reason: "native-only production preflight",
+    });
+    expect(((await handler({} as never)) as Response).status).toBe(200);
+
     readBodyMock.mockResolvedValueOnce({
       operation: "verify-activate",
       reason: "verified initial production import",
@@ -210,14 +216,18 @@ describe("skills.sh production mirror route", () => {
     expect(((await handler({} as never)) as Response).status).toBe(200);
 
     expect(forwarded).toEqual([
+      {
+        operation: "mirror-prepare-native-trending",
+        reason: "native-only production preflight",
+        confirm: "deactivate-skills-sh-public-production",
+      },
       {
         operation: "mirror-verify-activate",
         reason: "verified initial production import",
         confirm: "activate-skills-sh-public-production",
       },
       {
-        operation: "mirror-public-gate",
-        enabled: false,
+        operation: "mirror-deactivate-native-trending",
         reason: "systemic production rollback",
         confirm: "deactivate-skills-sh-public-production",
       },