diff --git a/internal/atproto/lexicon/social/coves/embed/external.json b/internal/atproto/lexicon/social/coves/embed/external.json
index b206915..a882740 100644
--- a/internal/atproto/lexicon/social/coves/embed/external.json
+++ b/internal/atproto/lexicon/social/coves/embed/external.json
@@ -4,7 +4,7 @@
   "defs": {
     "main": {
       "type": "object",
-      "description": "External link embed with preview metadata",
+      "description": "External link embed with preview metadata and provider support",
       "required": ["uri"],
       "properties": {
         "uri": {
@@ -31,6 +31,29 @@
         "domain": {
           "type": "string",
           "description": "Domain of the linked content"
+        },
+        "embedType": {
+          "type": "string",
+          "enum": ["article", "image", "video-stream"],
+          "description": "Type hint for special handling of known providers"
+        },
+        "provider": {
+          "type": "string",
+          "description": "Service provider name (e.g., imgur, streamable)"
+        },
+        "images": {
+          "type": "array",
+          "maxLength": 8,
+          "description": "Preview images for image gallery providers",
+          "items": {
+            "type": "ref",
+            "ref": "social.coves.embed.images#image"
+          }
+        },
+        "totalCount": {
+          "type": "integer",
+          "minimum": 0,
+          "description": "Total number of items if more than displayed (for galleries)"
         }
       }
     }
diff --git a/internal/atproto/lexicon/social/coves/embed/image.json b/internal/atproto/lexicon/social/coves/embed/images.json
similarity index 51%
rename from internal/atproto/lexicon/social/coves/embed/image.json
rename to internal/atproto/lexicon/social/coves/embed/images.json
index abc7c36..130276b 100644
--- a/internal/atproto/lexicon/social/coves/embed/image.json
+++ b/internal/atproto/lexicon/social/coves/embed/images.json
@@ -1,10 +1,27 @@
 {
   "lexicon": 1,
-  "id": "social.coves.embed.image",
+  "id": "social.coves.embed.images",
   "defs": {
     "main": {
       "type": "object",
-      "description": "Image embed with metadata",
+      "description": "Image set embed supporting multiple images (max 8)",
+      "required": ["images"],
+      "properties": {
+        "images": {
+          "type": "array",
+          "minLength": 1,
+          "maxLength": 8,
+          "description": "Set of images in the post",
+          "items": {
+            "type": "ref",
+            "ref": "#image"
+          }
+        }
+      }
+    },
+    "image": {
+      "type": "object",
+      "description": "Individual image with metadata",
       "required": ["image"],
       "properties": {
         "image": {
@@ -20,7 +37,8 @@
         },
         "aspectRatio": {
           "type": "ref",
-          "ref": "#aspectRatio"
+          "ref": "#aspectRatio",
+          "description": "Aspect ratio for client-side rendering optimization"
         }
       }
     },
@@ -31,11 +49,13 @@
       "properties": {
         "width": {
           "type": "integer",
-          "minimum": 1
+          "minimum": 1,
+          "description": "Width component of aspect ratio"
         },
         "height": {
           "type": "integer",
-          "minimum": 1
+          "minimum": 1,
+          "description": "Height component of aspect ratio"
         }
       }
     }
diff --git a/internal/atproto/lexicon/social/coves/federation/post.json b/internal/atproto/lexicon/social/coves/federation/post.json
index 6fdef6b..ee30232 100644
--- a/internal/atproto/lexicon/social/coves/federation/post.json
+++ b/internal/atproto/lexicon/social/coves/federation/post.json
@@ -5,21 +5,26 @@
     "main": {
       "type": "object",
       "description": "Reference to original federated post",
-      "required": ["platform"],
+      "required": ["platform", "uri"],
       "properties": {
         "platform": {
           "type": "string",
-          "knownValues": ["bluesky", "lemmy", "mastodon"],
+          "knownValues": ["bluesky", "lemmy", "atproto"],
           "description": "Platform the post originated from"
         },
         "uri": {
           "type": "string",
           "format": "uri",
-          "description": "Original URI of the post"
+          "description": "Original URI of the post (at:// URI for atproto platforms)"
         },
         "id": {
           "type": "string",
           "description": "Platform-specific post ID"
+        },
+        "originalCreatedAt": {
+          "type": "string",
+          "format": "datetime",
+          "description": "Timestamp when originally posted on source platform"
         }
       }
     }
diff --git a/internal/atproto/lexicon/social/coves/post/article.json b/internal/atproto/lexicon/social/coves/post/article.json
deleted file mode 100644
index df580fe..0000000
--- a/internal/atproto/lexicon/social/coves/post/article.json
+++ /dev/null
@@ -1,106 +0,0 @@
-{
-  "lexicon": 1,
-  "id": "social.coves.post.article",
-  "defs": {
-    "main": {
-      "type": "record",
-      "description": "An article/link post",
-      "key": "tid",
-      "record": {
-        "type": "object",
-        "required": ["community", "title", "url", "createdAt"],
-        "properties": {
-          "community": {
-            "type": "string",
-            "format": "at-identifier",
-            "description": "DID or handle of the community this was posted to"
-          },
-          "title": {
-            "type": "string",
-            "maxGraphemes": 300,
-            "maxLength": 3000,
-            "description": "Post title"
-          },
-          "url": {
-            "type": "string",
-            "format": "uri",
-            "description": "URL of the linked article"
-          },
-          "domain": {
-            "type": "string",
-            "description": "Domain of the linked article (cached)"
-          },
-          "embed": {
-            "type": "ref",
-            "ref": "social.coves.embed.external",
-            "description": "Preview metadata for the link"
-          },
-          "autoGeneratedDescription": {
-            "type": "string",
-            "maxLength": 50000,
-            "description": "Optional Auto-generated text breakdown of article"
-          },
-          "content": {
-            "type": "string",
-            "maxLength": 50000,
-            "description": "Optional text content to accompany link"
-          },
-          "facets": {
-            "type": "array",
-            "description": "Rich text annotations",
-            "items": {
-              "type": "ref",
-              "ref": "social.coves.richtext.facet"
-            }
-          },
-          "tags": {
-            "type": "array",
-            "maxLength": 10,
-            "items": {
-              "type": "string",
-              "maxLength": 32
-            }
-          },
-          "nsfw": {
-            "type": "boolean",
-            "default": false
-          },
-          "contentLabels": {
-            "type": "array",
-            "description": "Self-applied content labels",
-            "items": {
-              "type": "string",
-              "knownValues": ["nsfw", "spoiler", "violence"],
-              "maxLength": 32
-            }
-          },
-          "federatedFrom": {
-            "type": "ref",
-            "ref": "social.coves.federation.post"
-          },
-          "location": {
-            "type": "ref",
-            "ref": "social.coves.actor.profile#geoLocation"
-          },
-          "crosspostOf": {
-            "type": "string",
-            "format": "at-uri",
-            "description": "If this is a crosspost, AT-URI of the post this is a crosspost of"
-          },
-          "crosspostChain": {
-            "type": "array",
-            "description": "Array of AT-URIs of all posts in the crosspost chain (including this one)",
-            "items": {
-              "type": "string",
-              "format": "at-uri"
-            }
-          },
-          "createdAt": {
-            "type": "string",
-            "format": "datetime"
-          }
-        }
-      }
-    }
-  }
-}
\ No newline at end of file
diff --git a/internal/atproto/lexicon/social/coves/post/create.json b/internal/atproto/lexicon/social/coves/post/create.json
index c868582..41d2ed5 100644
--- a/internal/atproto/lexicon/social/coves/post/create.json
+++ b/internal/atproto/lexicon/social/coves/post/create.json
@@ -9,122 +9,70 @@
         "encoding": "application/json",
         "schema": {
           "type": "object",
-          "required": ["community", "type", "title"],
+          "required": ["community", "postType"],
           "properties": {
             "community": {
               "type": "string",
               "format": "at-identifier",
               "description": "DID or handle of the community to post in"
             },
-            "type": {
+            "postType": {
               "type": "string",
-              "enum": ["text", "image", "video", "article", "microblog"],
+              "enum": ["text", "article", "image", "video", "microblog"],
               "description": "Type of post to create"
             },
             "title": {
               "type": "string",
               "maxGraphemes": 300,
               "maxLength": 3000,
-              "description": "Post title (required for text, article, image, video posts)"
+              "description": "Post title (optional for microblog, image, and video posts)"
             },
-            "text": {
+            "content": {
               "type": "string",
-              "maxGraphemes": 10000,
-              "maxLength": 40000,
-              "description": "Post body text"
+              "maxLength": 50000,
+              "description": "Post content - main text for text posts, description for media, etc."
             },
-            "textFacets": {
+            "facets": {
               "type": "array",
-              "description": "Rich text annotations for body",
+              "description": "Rich text annotations for content",
               "items": {
                 "type": "ref",
                 "ref": "social.coves.richtext.facet"
               }
             },
-            "images": {
-              "type": "array",
-              "maxLength": 10,
-              "description": "Images for image posts",
-              "items": {
-                "type": "object",
-                "required": ["image"],
-                "properties": {
-                  "image": {
-                    "type": "blob",
-                    "accept": ["image/png", "image/jpeg", "image/webp"],
-                    "maxSize": 5000000
-                  },
-                  "alt": {
-                    "type": "string",
-                    "maxLength": 1000,
-                    "description": "Alt text for accessibility"
-                  }
-                }
-              }
+            "embed": {
+              "type": "union",
+              "description": "Embedded content - images, videos, external links, or quoted posts",
+              "refs": [
+                "social.coves.embed.images",
+                "social.coves.embed.video",
+                "social.coves.embed.external",
+                "social.coves.embed.post"
+              ]
             },
-            "video": {
-              "type": "object",
-              "description": "Video for video posts",
-              "required": ["video"],
-              "properties": {
-                "video": {
-                  "type": "blob",
-                  "accept": ["video/mp4", "video/webm"],
-                  "maxSize": 100000000
-                },
-                "thumbnail": {
-                  "type": "blob",
-                  "accept": ["image/png", "image/jpeg", "image/webp"],
-                  "maxSize": 1000000
-                },
-                "alt": {
-                  "type": "string",
-                  "maxLength": 1000
-                }
-              }
+            "originalAuthor": {
+              "type": "ref",
+              "ref": "social.coves.post.record#originalAuthor",
+              "description": "For microblog posts - information about the original author"
             },
-            "external": {
-              "type": "object",
-              "description": "External link embed",
-              "required": ["uri"],
-              "properties": {
-                "uri": {
-                  "type": "string",
-                  "format": "uri"
-                },
-                "title": {
-                  "type": "string",
-                  "maxLength": 300
-                },
-                "description": {
-                  "type": "string",
-                  "maxLength": 1000
-                },
-                "thumb": {
-                  "type": "blob",
-                  "accept": ["image/png", "image/jpeg", "image/webp"],
-                  "maxSize": 1000000
-                }
-              }
+            "federatedFrom": {
+              "type": "ref",
+              "ref": "social.coves.federation.post",
+              "description": "Reference to original federated post (for microblog posts)"
             },
-            "tags": {
+            "contentLabels": {
               "type": "array",
-              "maxLength": 10,
+              "description": "Self-applied content labels",
               "items": {
                 "type": "string",
-                "maxLength": 50
-              },
-              "description": "Tags for categorization"
-            },
-            "nsfw": {
-              "type": "boolean",
-              "default": false,
-              "description": "Whether the post contains NSFW content"
+                "knownValues": ["nsfw", "spoiler", "violence"],
+                "maxLength": 32
+              }
             },
-            "language": {
-              "type": "string",
-              "format": "language",
-              "description": "Language of the post"
+            "location": {
+              "type": "ref",
+              "ref": "social.coves.actor.profile#geoLocation",
+              "description": "Geographic location where post was created"
             }
           }
         }
@@ -164,6 +112,10 @@
         {
           "name": "InvalidContent",
           "description": "Post content violates community rules"
+        },
+        {
+          "name": "InvalidPostType",
+          "description": "Community does not allow this post type"
         }
       ]
     }
diff --git a/internal/atproto/lexicon/social/coves/post/get.json b/internal/atproto/lexicon/social/coves/post/get.json
index 6f77bcb..d954611 100644
--- a/internal/atproto/lexicon/social/coves/post/get.json
+++ b/internal/atproto/lexicon/social/coves/post/get.json
@@ -32,7 +32,7 @@
     },
     "postView": {
       "type": "object",
-      "required": ["uri", "cid", "author", "record", "community", "type", "createdAt"],
+      "required": ["uri", "cid", "author", "record", "community", "postType", "createdAt"],
       "properties": {
         "uri": {
           "type": "string",
@@ -54,7 +54,7 @@
           "type": "ref",
           "ref": "#communityRef"
         },
-        "type": {
+        "postType": {
           "type": "string",
           "enum": ["text", "image", "video", "article", "microblog"]
         },
@@ -86,15 +86,6 @@
           "type": "ref",
           "ref": "#externalView"
         },
-        "tags": {
-          "type": "array",
-          "items": {
-            "type": "string"
-          }
-        },
-        "nsfw": {
-          "type": "boolean"
-        },
         "language": {
           "type": "string",
           "format": "language"
@@ -236,6 +227,14 @@
         "shareCount": {
           "type": "integer",
           "minimum": 0
+        },
+        "tagCounts": {
+          "type": "object",
+          "description": "Aggregate counts of tags applied by community members",
+          "additionalProperties": {
+            "type": "integer",
+            "minimum": 0
+          }
         }
       }
     },
@@ -257,6 +256,14 @@
         "savedUri": {
           "type": "string",
           "format": "at-uri"
+        },
+        "tags": {
+          "type": "array",
+          "description": "Tags applied by the viewer to this post",
+          "items": {
+            "type": "string",
+            "maxLength": 32
+          }
         }
       }
     }
diff --git a/internal/atproto/lexicon/social/coves/post/getFeed.json b/internal/atproto/lexicon/social/coves/post/getFeed.json
index c63a4fe..3439aed 100644
--- a/internal/atproto/lexicon/social/coves/post/getFeed.json
+++ b/internal/atproto/lexicon/social/coves/post/getFeed.json
@@ -4,7 +4,7 @@
   "defs": {
     "main": {
       "type": "query",
-      "description": "Get a feed of posts",
+      "description": "Get a feed of posts with optional filtering by post type",
       "parameters": {
         "type": "params",
         "properties": {
@@ -19,6 +19,19 @@
             "format": "at-identifier",
             "description": "Filter by specific community (DID or handle)"
           },
+          "postType": {
+            "type": "string",
+            "enum": ["text", "article", "image", "video", "microblog"],
+            "description": "Filter by a single post type"
+          },
+          "postTypes": {
+            "type": "array",
+            "items": {
+              "type": "string",
+              "enum": ["text", "article", "image", "video", "microblog"]
+            },
+            "description": "Filter by multiple post types"
+          },
           "timeframe": {
             "type": "string",
             "enum": ["hour", "day", "week", "month", "year", "all"],
@@ -58,7 +71,7 @@
     },
     "feedPost": {
       "type": "object",
-      "required": ["uri", "author", "community", "type", "createdAt"],
+      "required": ["uri", "author", "community", "postType", "createdAt"],
       "properties": {
         "uri": {
           "type": "string",
@@ -72,44 +85,40 @@
           "type": "ref",
           "ref": "social.coves.post.get#communityRef"
         },
-        "type": {
+        "postType": {
           "type": "string",
-          "enum": ["text", "image", "video", "article", "microblog"]
+          "enum": ["text", "article", "image", "video", "microblog"],
+          "description": "Type of the post for UI rendering"
         },
         "title": {
           "type": "string"
         },
-        "text": {
+        "content": {
           "type": "string",
           "maxLength": 500,
-          "description": "Truncated preview of the post text"
-        },
-        "images": {
-          "type": "array",
-          "maxLength": 4,
-          "description": "Preview of images (max 4)",
-          "items": {
-            "type": "ref",
-            "ref": "social.coves.post.get#imageView"
-          }
+          "description": "Truncated preview of the post content"
         },
-        "video": {
-          "type": "ref",
-          "ref": "social.coves.post.get#videoView"
+        "embed": {
+          "type": "union",
+          "description": "Embedded content preview",
+          "refs": [
+            "social.coves.post.get#imagesView",
+            "social.coves.post.get#videoView",
+            "social.coves.post.get#externalView",
+            "social.coves.post.get#postView"
+          ]
         },
-        "external": {
+        "originalAuthor": {
           "type": "ref",
-          "ref": "social.coves.post.get#externalView"
+          "ref": "social.coves.post.record#originalAuthor",
+          "description": "For microblog posts - original author info"
         },
-        "tags": {
+        "contentLabels": {
           "type": "array",
           "items": {
             "type": "string"
           }
         },
-        "nsfw": {
-          "type": "boolean"
-        },
         "createdAt": {
           "type": "string",
           "format": "datetime"
diff --git a/internal/atproto/lexicon/social/coves/post/image.json b/internal/atproto/lexicon/social/coves/post/image.json
deleted file mode 100644
index 933e232..0000000
--- a/internal/atproto/lexicon/social/coves/post/image.json
+++ /dev/null
@@ -1,93 +0,0 @@
-{
-  "lexicon": 1,
-  "id": "social.coves.post.image",
-  "defs": {
-    "main": {
-      "type": "record",
-      "description": "An image post",
-      "key": "tid",
-      "record": {
-        "type": "object",
-        "required": ["community", "title", "images", "createdAt"],
-        "properties": {
-          "community": {
-            "type": "string",
-            "format": "at-identifier",
-            "description": "DID or handle of the community this was posted to"
-          },
-          "title": {
-            "type": "string",
-            "maxGraphemes": 300,
-            "maxLength": 3000,
-            "description": "Post title"
-          },
-          "images": {
-            "type": "array",
-            "minLength": 1,
-            "maxLength": 10,
-            "description": "Images in the post",
-            "items": {
-              "type": "ref",
-              "ref": "social.coves.embed.image"
-            }
-          },
-          "caption": {
-            "type": "string",
-            "maxLength": 10000,
-            "description": "Optional caption or description"
-          },
-          "captionFacets": {
-            "type": "array",
-            "description": "Rich text annotations for caption",
-            "items": {
-              "type": "ref",
-              "ref": "social.coves.richtext.facet"
-            }
-          },
-          "tags": {
-            "type": "array",
-            "maxLength": 10,
-            "items": {
-              "type": "string",
-              "maxLength": 32
-            }
-          },
-          "contentLabels": {
-            "type": "array",
-            "description": "Self-applied content labels",
-            "items": {
-              "type": "string",
-              "knownValues": ["nsfw", "spoiler", "violence"],
-              "maxLength": 32
-            }
-          },
-          "federatedFrom": {
-            "type": "ref",
-            "ref": "social.coves.federation.post"
-          },
-          "location": {
-            "type": "ref",
-            "ref": "social.coves.actor.profile#geoLocation"
-          },
-          "crosspostOf": {
-            "type": "string",
-            "format": "at-uri",
-            "description": "If this is a crosspost, AT-URI of the post this is a crosspost of"
-          },
-          "crosspostChain": {
-            "type": "array",
-            "description": "Array of AT-URIs of all posts in the crosspost chain (including this one)",
-            "items": {
-              "type": "string",
-              "format": "at-uri"
-            }
-          },
-          "createdAt": {
-            "type": "string",
-            "format": "datetime"
-          }
-        }
-      }
-    }
-  }
-}
\ No newline at end of file
diff --git a/internal/atproto/lexicon/social/coves/post/microblog.json b/internal/atproto/lexicon/social/coves/post/microblog.json
deleted file mode 100644
index bf457df..0000000
--- a/internal/atproto/lexicon/social/coves/post/microblog.json
+++ /dev/null
@@ -1,136 +0,0 @@
-{
-  "lexicon": 1,
-  "id": "social.coves.post.microblog",
-  "defs": {
-    "main": {
-      "type": "record",
-      "description": "A microblog post (typically from federated platforms like Bluesky/Mastodon)",
-      "key": "tid",
-      "record": {
-        "type": "object",
-        "required": ["community", "content", "createdAt"],
-        "properties": {
-          "community": {
-            "type": "string",
-            "format": "at-identifier",
-            "description": "DID or handle of the community this was posted to"
-          },
-          "content": {
-            "type": "string",
-            "maxLength": 5000,
-            "description": "Microblog post content (plain text or markdown)"
-          },
-          "facets": {
-            "type": "array",
-            "description": "Rich text annotations",
-            "items": {
-              "type": "ref",
-              "ref": "social.coves.richtext.facet"
-            }
-          },
-          "title": {
-            "type": "string",
-            "maxLength": 300,
-            "description": "Optional title"
-          },
-          "hashtags": {
-            "type": "array",
-            "maxLength": 20,
-            "description": "Hashtags from the original post",
-            "items": {
-              "type": "string",
-              "maxLength": 100
-            }
-          },
-          "embed": {
-            "type": "union",
-            "description": "Embedded content (images, videos, links, quoted posts)",
-            "refs": [
-              "social.coves.embed.image",
-              "social.coves.embed.video", 
-              "social.coves.embed.external",
-              "social.coves.embed.post"
-            ]
-          },
-          "contentLabels": {
-            "type": "array",
-            "description": "Content warnings and labels",
-            "items": {
-              "type": "string",
-              "knownValues": ["nsfw", "spoiler", "violence"],
-              "maxLength": 32
-            }
-          },
-          "federatedFrom": {
-            "type": "ref",
-            "ref": "social.coves.federation.post",
-            "description": "Required - reference to original federated post"
-          },
-          "originalAuthor": {
-            "type": "object",
-            "description": "Information about the original author from federated platform",
-            "required": ["handle"],
-            "properties": {
-              "handle": {
-                "type": "string",
-                "maxLength": 253,
-                "description": "Original author's handle"
-              },
-              "displayName": {
-                "type": "string",
-                "maxLength": 640,
-                "description": "Original author's display name"
-              },
-              "did": {
-                "type": "string",
-                "format": "did",
-                "description": "Original author's DID (if available)"
-              },
-              "avatar": {
-                "type": "string",
-                "format": "uri",
-                "description": "URL to original author's avatar"
-              }
-            }
-          },
-          "replyTo": {
-            "type": "string",
-            "format": "at-uri",
-            "description": "If this is a reply, reference to the parent post"
-          },
-          "location": {
-            "type": "ref",
-            "ref": "social.coves.actor.profile#geoLocation"
-          },
-          "language": {
-            "type": "string",
-            "maxLength": 10,
-            "description": "Language code (e.g., 'en', 'es', 'fr')"
-          },
-          "crosspostOf": {
-            "type": "string",
-            "format": "at-uri",
-            "description": "If this is a crosspost, AT-URI of the post this is a crosspost of"
-          },
-          "crosspostChain": {
-            "type": "array",
-            "description": "Array of AT-URIs of all posts in the crosspost chain (including this one)",
-            "items": {
-              "type": "string",
-              "format": "at-uri"
-            }
-          },
-          "createdAt": {
-            "type": "string",
-            "format": "datetime"
-          },
-          "originalCreatedAt": {
-            "type": "string",
-            "format": "datetime",
-            "description": "Original creation time on the federated platform"
-          }
-        }
-      }
-    }
-  }
-}
\ No newline at end of file
diff --git a/internal/atproto/lexicon/social/coves/post/record.json b/internal/atproto/lexicon/social/coves/post/record.json
new file mode 100644
index 0000000..e0876b5
--- /dev/null
+++ b/internal/atproto/lexicon/social/coves/post/record.json
@@ -0,0 +1,124 @@
+{
+  "lexicon": 1,
+  "id": "social.coves.post.record",
+  "defs": {
+    "main": {
+      "type": "record",
+      "description": "A unified post record supporting multiple content types",
+      "key": "tid",
+      "record": {
+        "type": "object",
+        "required": ["community", "postType", "createdAt"],
+        "properties": {
+          "community": {
+            "type": "string",
+            "format": "at-identifier",
+            "description": "DID or handle of the community this was posted to"
+          },
+          "postType": {
+            "type": "string",
+            "enum": ["text", "article", "image", "video", "microblog"],
+            "description": "Discriminator for post type to enable filtering and specialized rendering"
+          },
+          "title": {
+            "type": "string",
+            "maxGraphemes": 300,
+            "maxLength": 3000,
+            "description": "Post title (optional for microblog, image, and video posts)"
+          },
+          "content": {
+            "type": "string",
+            "maxLength": 50000,
+            "description": "Post content - main text for text posts, description for media, etc."
+          },
+          "facets": {
+            "type": "array",
+            "description": "Rich text annotations for content",
+            "items": {
+              "type": "ref",
+              "ref": "social.coves.richtext.facet"
+            }
+          },
+          "embed": {
+            "type": "union",
+            "description": "Embedded content - images, videos, external links, or quoted posts",
+            "refs": [
+              "social.coves.embed.images",
+              "social.coves.embed.video",
+              "social.coves.embed.external",
+              "social.coves.embed.post"
+            ]
+          },
+          "originalAuthor": {
+            "type": "ref",
+            "ref": "#originalAuthor",
+            "description": "For microblog posts - information about the original author from federated platform"
+          },
+          "contentLabels": {
+            "type": "array",
+            "description": "Self-applied content labels",
+            "items": {
+              "type": "string",
+              "knownValues": ["nsfw", "spoiler", "violence"],
+              "maxLength": 32
+            }
+          },
+          "federatedFrom": {
+            "type": "ref",
+            "ref": "social.coves.federation.post",
+            "description": "Reference to original federated post (if applicable)"
+          },
+          "location": {
+            "type": "ref",
+            "ref": "social.coves.actor.profile#geoLocation",
+            "description": "Geographic location where post was created"
+          },
+          "crosspostOf": {
+            "type": "string",
+            "format": "at-uri",
+            "description": "If this is a crosspost, AT-URI of the post this is a crosspost of"
+          },
+          "crosspostChain": {
+            "type": "array",
+            "description": "Array of AT-URIs of all posts in the crosspost chain (including this one)",
+            "items": {
+              "type": "string",
+              "format": "at-uri"
+            }
+          },
+          "createdAt": {
+            "type": "string",
+            "format": "datetime"
+          }
+        }
+      }
+    },
+    "originalAuthor": {
+      "type": "object",
+      "description": "Information about the original author from a federated platform",
+      "required": ["handle"],
+      "properties": {
+        "did": {
+          "type": "string",
+          "format": "did",
+          "description": "Original author's DID (if available)"
+        },
+        "handle": {
+          "type": "string",
+          "maxLength": 253,
+          "description": "Original author's handle"
+        },
+        "displayName": {
+          "type": "string",
+          "maxLength": 640,
+          "description": "Original author's display name"
+        },
+        "avatar": {
+          "type": "string",
+          "format": "uri",
+          "description": "URL to original author's avatar"
+        }
+      }
+    }
+  }
+}
\ No newline at end of file
diff --git a/internal/atproto/lexicon/social/coves/post/text.json b/internal/atproto/lexicon/social/coves/post/text.json
deleted file mode 100644
index 78b1d74..0000000
--- a/internal/atproto/lexicon/social/coves/post/text.json
+++ /dev/null
@@ -1,94 +0,0 @@
-{
-  "lexicon": 1,
-  "id": "social.coves.post.text",
-  "defs": {
-    "main": {
-      "type": "record",
-      "description": "A text post",
-      "key": "tid",
-      "record": {
-        "type": "object",
-        "required": ["community", "title", "createdAt"],
-        "properties": {
-          "community": {
-            "type": "string",
-            "format": "at-identifier",
-            "description": "DID or handle of the community this was posted to"
-          },
-          "title": {
-            "type": "string",
-            "maxGraphemes": 300,
-            "maxLength": 3000,
-            "description": "Post title"
-          },
-          "content": {
-            "type": "string",
-            "maxLength": 50000,
-            "description": "Markdown-formatted post content"
-          },
-          "facets": {
-            "type": "array",
-            "description": "Rich text annotations",
-            "items": {
-              "type": "ref",
-              "ref": "social.coves.richtext.facet"
-            }
-          },
-          "tags": {
-            "type": "array",
-            "maxLength": 10,
-            "description": "Post tags/categories",
-            "items": {
-              "type": "string",
-              "maxLength": 32
-            }
-          },
-          "contentLabels": {
-            "type": "array",
-            "description": "Self-applied content labels",
-            "items": {
-              "type": "string",
-              "knownValues": ["nsfw", "spoiler", "violence"],
-              "maxLength": 32
-            }
-          },
-          "federatedFrom": {
-            "type": "ref",
-            "ref": "social.coves.federation.post"
-          },
-          "location": {
-            "type": "ref",
-            "ref": "social.coves.actor.profile#geoLocation"
-          },
-          "embed": {
-            "type": "union",
-            "description": "Optional embedded content",
-            "refs": [
-              "social.coves.embed.image",
-              "social.coves.embed.video",
-              "social.coves.embed.external",
-              "social.coves.embed.post"
-            ]
-          },
-          "crosspostOf": {
-            "type": "string",
-            "format": "at-uri",
-            "description": "If this is a crosspost, AT-URI of the post this is a crosspost of"
-          },
-          "crosspostChain": {
-            "type": "array",
-            "description": "Array of AT-URIs of all posts in the crosspost chain (including this one)",
-            "items": {
-              "type": "string",
-              "format": "at-uri"
-            }
-          },
-          "createdAt": {
-            "type": "string",
-            "format": "datetime"
-          }
-        }
-      }
-    }
-  }
-}
\ No newline at end of file
diff --git a/internal/atproto/lexicon/social/coves/post/update.json b/internal/atproto/lexicon/social/coves/post/update.json
index e0b1d57..3a9e12a 100644
--- a/internal/atproto/lexicon/social/coves/post/update.json
+++ b/internal/atproto/lexicon/social/coves/post/update.json
@@ -22,32 +22,37 @@
               "maxLength": 3000,
               "description": "Updated title"
             },
-            "text": {
+            "content": {
               "type": "string",
-              "maxGraphemes": 10000,
-              "maxLength": 100000,
-              "description": "Updated body text"
+              "maxLength": 50000,
+              "description": "Updated content - main text for text posts, description for media, etc."
             },
-            "textFacets": {
+            "facets": {
               "type": "array",
-              "description": "Updated rich text annotations",
+              "description": "Updated rich text annotations for content",
               "items": {
                 "type": "ref",
                 "ref": "social.coves.richtext.facet"
               }
             },
-            "tags": {
+            "embed": {
+              "type": "union",
+              "description": "Updated embedded content (note: changing embed type may be restricted)",
+              "refs": [
+                "social.coves.embed.images",
+                "social.coves.embed.video",
+                "social.coves.embed.external",
+                "social.coves.embed.post"
+              ]
+            },
+            "contentLabels": {
               "type": "array",
-              "maxLength": 10,
+              "description": "Updated content labels",
               "items": {
                 "type": "string",
-                "maxLength": 50
-              },
-              "description": "Updated tags"
-            },
-            "nsfw": {
-              "type": "boolean",
-              "description": "Updated NSFW status"
+                "knownValues": ["nsfw", "spoiler", "violence"],
+                "maxLength": 32
+              }
             },
             "editNote": {
               "type": "string",
@@ -88,6 +93,10 @@
         {
           "name": "EditWindowExpired",
           "description": "Edit window has expired (posts can only be edited within 24 hours)"
+        },
+        {
+          "name": "InvalidUpdate",
+          "description": "Invalid update operation (e.g., changing post type)"
         }
       ]
     }
diff --git a/internal/atproto/lexicon/social/coves/post/video.json b/internal/atproto/lexicon/social/coves/post/video.json
deleted file mode 100644
index 1e0533a..0000000
--- a/internal/atproto/lexicon/social/coves/post/video.json
+++ /dev/null
@@ -1,92 +0,0 @@
-{
-  "lexicon": 1,
-  "id": "social.coves.post.video",
-  "defs": {
-    "main": {
-      "type": "record",
-      "description": "A video post",
-      "key": "tid",
-      "record": {
-        "type": "object",
-        "required": ["community", "title", "video", "createdAt"],
-        "properties": {
-          "community": {
-            "type": "string",
-            "format": "at-identifier",
-            "description": "DID or handle of the community this was posted to"
-          },
-          "title": {
-            "type": "string",
-            "maxGraphemes": 300,
-            "maxLength": 3000,
-            "description": "Post title"
-          },
-          "video": {
-            "type": "ref",
-            "ref": "social.coves.embed.video",
-            "description": "Video content"
-          },
-          "caption": {
-            "type": "string",
-            "maxLength": 10000,
-            "description": "Optional caption or description"
-          },
-          "captionFacets": {
-            "type": "array",
-            "description": "Rich text annotations for caption",
-            "items": {
-              "type": "ref",
-              "ref": "social.coves.richtext.facet"
-            }
-          },
-          "tags": {
-            "type": "array",
-            "maxLength": 10,
-            "items": {
-              "type": "string",
-              "maxLength": 32
-            }
-          },
-          "nsfw": {
-            "type": "boolean",
-            "default": false
-          },
-          "contentLabels": {
-            "type": "array",
-            "description": "Self-applied content labels",
-            "items": {
-              "type": "string",
-              "knownValues": ["nsfw", "spoiler", "violence"],
-              "maxLength": 32
-            }
-          },
-          "federatedFrom": {
-            "type": "ref",
-            "ref": "social.coves.federation.post"
-          },
-          "location": {
-            "type": "ref",
-            "ref": "social.coves.actor.profile#geoLocation"
-          },
-          "crosspostOf": {
-            "type": "string",
-            "format": "at-uri",
-            "description": "If this is a crosspost, AT-URI of the post this is a crosspost of"
-          },
-          "crosspostChain": {
-            "type": "array",
-            "description": "Array of AT-URIs of all posts in the crosspost chain (including this one)",
-            "items": {
-              "type": "string",
-              "format": "at-uri"
-            }
-          },
-          "createdAt": {
-            "type": "string",
-            "format": "datetime"
-          }
-        }
-      }
-    }
-  }
-}
\ No newline at end of file