diff --git a/index.js b/index.js
index 4542da3..dad1459 100644
--- a/index.js
+++ b/index.js
@@ -87,6 +87,7 @@ import {
 } from "./lib/controllers/refollow.js";
 import { startBatchRefollow } from "./lib/batch-refollow.js";
 import { logActivity } from "./lib/activity-log.js";
+import { resolveAuthor } from "./lib/resolve-author.js";
 import { scheduleCleanup } from "./lib/timeline-cleanup.js";
 import { runSeparateMentionsMigration } from "./lib/migrations/separate-mentions.js";
 
@@ -406,6 +407,22 @@ export default class ActivityPubEndpoint {
           return undefined;
         }
 
+        const visibility = String(properties?.visibility || "").toLowerCase();
+        if (visibility === "unlisted") {
+          console.info(
+            "[ActivityPub] Skipping federation for unlisted post: " +
+              (properties?.url || "unknown"),
+          );
+          await logActivity(self._collections.ap_activities, {
+            direction: "outbound",
+            type: "Syndicate",
+            actorUrl: self._publicationUrl,
+            objectUrl: properties?.url,
+            summary: "Syndication skipped: post visibility is unlisted",
+          }).catch(() => {});
+          return undefined;
+        }
+
         try {
           const actorUrl = self._getActorUrl();
           const handle = self.options.actor.handle;
@@ -730,6 +747,132 @@ export default class ActivityPubEndpoint {
     }
   }
 
+  /**
+   * Send a native AP Like activity for a post URL (called programmatically,
+   * e.g. when a like is created via Micropub).
+   * @param {string} postUrl - URL of the post being liked
+   * @param {object} [collections] - MongoDB collections map (application.collections)
+   * @returns {Promise<{ok: boolean, error?: string}>}
+   */
+  async likePost(postUrl, collections) {
+    if (!this._federation) {
+      return { ok: false, error: "Federation not initialized" };
+    }
+
+    try {
+      const { Like } = await import("@fedify/fedify/vocab");
+      const handle = this.options.actor.handle;
+      const ctx = this._federation.createContext(
+        new URL(this._publicationUrl),
+        { handle, publicationUrl: this._publicationUrl },
+      );
+      const documentLoader = await ctx.getDocumentLoader({ identifier: handle });
+      const cols = collections || this._collections;
+
+      const recipient = await resolveAuthor(postUrl, ctx, documentLoader, cols);
+      if (!recipient) {
+        return { ok: false, error: `Could not resolve post author for ${postUrl}` };
+      }
+
+      const uuid = crypto.randomUUID();
+      const activityId = `${this._publicationUrl.replace(/\/$/, "")}/activitypub/likes/${uuid}`;
+
+      const like = new Like({
+        id: new URL(activityId),
+        actor: ctx.getActorUri(handle),
+        object: new URL(postUrl),
+      });
+
+      await ctx.sendActivity({ identifier: handle }, recipient, like, {
+        orderingKey: postUrl,
+      });
+
+      const interactions = cols?.get?.("ap_interactions") || this._collections.ap_interactions;
+      if (interactions) {
+        await interactions.updateOne(
+          { objectUrl: postUrl, type: "like" },
+          { $set: { objectUrl: postUrl, type: "like", activityId, recipientUrl: recipient.id?.href || "", createdAt: new Date().toISOString() } },
+          { upsert: true },
+        );
+      }
+
+      console.info(`[ActivityPub] Sent Like for ${postUrl}`);
+      return { ok: true };
+    } catch (error) {
+      console.error(`[ActivityPub] likePost failed for ${postUrl}:`, error.message);
+      return { ok: false, error: error.message };
+    }
+  }
+
+  /**
+   * Send a native AP Announce (boost) activity for a post URL (called
+   * programmatically, e.g. when a repost is created via Micropub).
+   * @param {string} postUrl - URL of the post being boosted
+   * @param {object} [collections] - MongoDB collections map (application.collections)
+   * @returns {Promise<{ok: boolean, error?: string}>}
+   */
+  async boostPost(postUrl, collections) {
+    if (!this._federation) {
+      return { ok: false, error: "Federation not initialized" };
+    }
+
+    try {
+      const { Announce } = await import("@fedify/fedify/vocab");
+      const handle = this.options.actor.handle;
+      const ctx = this._federation.createContext(
+        new URL(this._publicationUrl),
+        { handle, publicationUrl: this._publicationUrl },
+      );
+      const documentLoader = await ctx.getDocumentLoader({ identifier: handle });
+      const cols = collections || this._collections;
+
+      const uuid = crypto.randomUUID();
+      const activityId = `${this._publicationUrl.replace(/\/$/, "")}/activitypub/boosts/${uuid}`;
+      const publicAddress = new URL("https://www.w3.org/ns/activitystreams#Public");
+      const followersUri = ctx.getFollowersUri(handle);
+
+      const announce = new Announce({
+        id: new URL(activityId),
+        actor: ctx.getActorUri(handle),
+        object: new URL(postUrl),
+        to: publicAddress,
+        cc: followersUri,
+      });
+
+      // Broadcast to followers
+      await ctx.sendActivity({ identifier: handle }, "followers", announce, {
+        preferSharedInbox: true,
+        syncCollection: true,
+        orderingKey: postUrl,
+      });
+
+      // Also deliver directly to original post author
+      const recipient = await resolveAuthor(postUrl, ctx, documentLoader, cols);
+      if (recipient) {
+        await ctx.sendActivity({ identifier: handle }, recipient, announce, {
+          orderingKey: postUrl,
+        }).catch((err) => {
+          console.warn(`[ActivityPub] Direct boost delivery to author failed: ${err.message}`);
+        });
+      }
+
+      const interactions = cols?.get?.("ap_interactions") || this._collections.ap_interactions;
+      if (interactions) {
+        await interactions.updateOne(
+          { objectUrl: postUrl, type: "boost" },
+          { $set: { objectUrl: postUrl, type: "boost", activityId, createdAt: new Date().toISOString() } },
+          { upsert: true },
+        );
+      }
+
+      console.info(`[ActivityPub] Sent Announce (boost) for ${postUrl}`);
+      return { ok: true };
+    } catch (error) {
+      console.error(`[ActivityPub] boostPost failed for ${postUrl}:`, error.message);
+      return { ok: false, error: error.message };
+    }
+  }
+
   /**
    * Send an Update(Person) activity to all followers so remote servers
    * re-fetch the actor object (picking up profile changes, new featured
diff --git a/lib/controllers/migrate.js b/lib/controllers/migrate.js
index 91c38c0..4fa0016 100644
--- a/lib/controllers/migrate.js
+++ b/lib/controllers/migrate.js
@@ -43,16 +43,34 @@ export function migratePostController(mountPath, pluginOptions) {
       let result = null;
 
       const aliasUrl = request.body.aliasUrl?.trim();
-      if (aliasUrl && profileCollection) {
-        await profileCollection.updateOne(
-          {},
-          { $set: { alsoKnownAs: [aliasUrl] } },
-          { upsert: true },
-        );
-        result = {
-          type: "success",
-          text: response.locals.__("activitypub.migrate.aliasSuccess"),
-        };
+      const submittedAliasField = Object.prototype.hasOwnProperty.call(
+        request.body || {},
+        "aliasUrl",
+      );
+
+      // allow clearing alsoKnownAs alias by submitting empty value
+      if (profileCollection && submittedAliasField) {
+        if (aliasUrl) {
+          await profileCollection.updateOne(
+            {},
+            { $set: { alsoKnownAs: [aliasUrl] } },
+            { upsert: true },
+          );
+          result = {
+            type: "success",
+            text: response.locals.__("activitypub.migrate.aliasSuccess"),
+          };
+        } else {
+          await profileCollection.updateOne(
+            {},
+            { $set: { alsoKnownAs: [] } },
+            { upsert: true },
+          );
+          result = {
+            type: "success",
+            text: "Alias removed - alsoKnownAs is now empty.",
+          };
+        }
       }
 
       const profile = profileCollection
diff --git a/lib/federation-setup.js b/lib/federation-setup.js
index b7db806..4ab7e89 100644
--- a/lib/federation-setup.js
+++ b/lib/federation-setup.js
@@ -88,7 +88,14 @@ export function setupFederation(options) {
       },
       loggers: [
         {
-          // All Fedify logs — federation, vocab, delivery, HTTP signatures
+          // Noise guard: remote deleted actors often return 404/410 on fetch.
+          // Keep only fatal events for the docloader category.
+          category: ["fedify", "runtime", "docloader"],
+          sinks: ["console"],
+          lowestLevel: "fatal",
+        },
+        {
+          // All remaining Fedify logs - federation, vocab, delivery, signatures.
           category: ["fedify"],
           sinks: ["console"],
           lowestLevel: resolvedLevel,
@@ -598,10 +605,16 @@ function setupOutbox(federation, mountPath, handle, collections) {
 
         const pageSize = 20;
         const skip = cursor ? Number.parseInt(cursor, 10) : 0;
-        const total = await postsCollection.countDocuments();
+        const federationVisibilityQuery = {
+          "properties.post-status": { $ne: "draft" },
+          "properties.visibility": { $ne: "unlisted" },
+        };
+        const total = await postsCollection.countDocuments(
+          federationVisibilityQuery,
+        );
 
         const posts = await postsCollection
-          .find()
+          .find(federationVisibilityQuery)
           .sort({ "properties.published": -1 })
           .skip(skip)
           .limit(pageSize)
@@ -633,7 +646,10 @@ function setupOutbox(federation, mountPath, handle, collections) {
       if (identifier !== handle) return 0;
       const postsCollection = collections.posts;
       if (!postsCollection) return 0;
-      return await postsCollection.countDocuments();
+      return await postsCollection.countDocuments({
+        "properties.post-status": { $ne: "draft" },
+        "properties.visibility": { $ne: "unlisted" },
+      });
     })
     .setFirstCursor(async () => "0");
 }
@@ -645,6 +661,8 @@ function setupObjectDispatchers(federation, mountPath, handle, collections, publ
     const postUrl = `${publicationUrl.replace(/\/$/, "")}/${id}`;
     const post = await collections.posts.findOne({ "properties.url": postUrl });
     if (!post) return null;
+    if (post?.properties?.["post-status"] === "draft") return null;
+    if (post?.properties?.visibility === "unlisted") return null;
     const actorUrl = ctx.getActorUri(handle).href;
     const activity = jf2ToAS2Activity(post.properties, actorUrl, publicationUrl);
     // Only Create activities wrap Note/Article objects