feat: add optional mood to thoughts with custom moods support

Mood is an optional label+emoji string (e.g. "relaxed 😌") on thoughts.
Users can define up to 8 custom moods in profile settings.
Mood federates via AP Note JSON and displays on thought cards.

crates/adapters/activitypub/src/service.rs

@@ -95,6 +95,16 @@ fn build_note_json(
             .collect();
         note["tag"] = serde_json::json!(ap_tags);
     }
+    if let Some(ref mood) = thought.mood {
+        note["mood"] = serde_json::json!(mood);
+    }
+    if let Some(ref ext) = thought.note_extensions {
+        if let Some(obj) = ext.as_object() {
+            for (k, v) in obj {
+                note.as_object_mut().unwrap().entry(k).or_insert(v.clone());
+            }
+        }
+    }
     note
 }
 

crates/adapters/postgres-search/src/lib.rs

@@ -36,6 +36,7 @@ struct FeedRow {
     thought_created_at: DateTime<Utc>,
     thought_updated_at: Option<DateTime<Utc>>,
     note_extensions: Option<serde_json::Value>,
+    mood: Option<String>,
     #[sqlx(flatten)]
     author: postgres::user::UserRow,
     like_count: i64,
@@ -58,9 +59,9 @@ fn feed_select(viewer: Option<uuid::Uuid>) -> String {
          t.id AS thought_id, t.user_id AS t_user_id, t.content,\n\
          t.in_reply_to_id,\n\
          t.visibility, t.content_warning, t.sensitive, t.local AS t_local,\n\
-         t.created_at AS thought_created_at, t.updated_at AS thought_updated_at, t.note_extensions,\n\
+         t.created_at AS thought_created_at, t.updated_at AS thought_updated_at, t.note_extensions, t.mood,\n\
          u.id, u.username, u.email, u.password_hash,\n\
-         u.display_name, u.bio, u.avatar_url, u.header_url, u.custom_css, u.profile_fields,\n\
+         u.display_name, u.bio, u.avatar_url, u.header_url, u.custom_css, u.profile_fields, u.custom_moods,\n\
          u.local,\n\
          u.created_at, u.updated_at,\n\
          (SELECT COUNT(*) FROM likes  l WHERE l.thought_id=t.id) AS like_count,\n\
@@ -84,6 +85,7 @@ fn row_to_entry(r: FeedRow, viewer: Option<uuid::Uuid>) -> Result<FeedEntry, Dom
         created_at: r.thought_created_at,
         updated_at: r.thought_updated_at,
         note_extensions: r.note_extensions,
+        mood: r.mood,
     };
     let author = User::from(r.author);
     Ok(FeedEntry {

crates/adapters/postgres-search/src/tests.rs

@@ -27,6 +27,7 @@ async fn seed_thought(pool: &sqlx::PgPool, username: &str, content: &str) -> (Us
         visibility: Visibility::Public,
         content_warning: None,
         sensitive: false,
+        mood: None,
     });
     trepo.save(&t).await.unwrap();
     (u, t)

crates/adapters/postgres/migrations/021_thought_mood_and_custom_moods.sql

@@ -0,0 +1,2 @@
+ALTER TABLE thoughts ADD COLUMN IF NOT EXISTS mood VARCHAR(64);
+ALTER TABLE users ADD COLUMN IF NOT EXISTS custom_moods JSONB DEFAULT '[]'::jsonb;

crates/adapters/postgres/src/activitypub/mod.rs

@@ -41,6 +41,7 @@ impl OutboxRow {
                 created_at: self.created_at,
                 updated_at: self.updated_at,
                 note_extensions: None,
+                mood: None,
             },
             author_username: Username::from_trusted(self.username),
         }

crates/adapters/postgres/src/feed/mod.rs

@@ -36,6 +36,7 @@ struct FeedRow {
     thought_created_at: DateTime<Utc>,
     thought_updated_at: Option<DateTime<Utc>>,
     note_extensions: Option<serde_json::Value>,
+    mood: Option<String>,
     #[sqlx(flatten)]
     author: crate::user::UserRow,
     like_count: i64,
@@ -58,6 +59,7 @@ fn row_to_entry(r: FeedRow, viewer: Option<uuid::Uuid>) -> Result<FeedEntry, Dom
         created_at: r.thought_created_at,
         updated_at: r.thought_updated_at,
         note_extensions: r.note_extensions,
+        mood: r.mood,
     };
     let author = User::from(r.author);
     Ok(FeedEntry {
@@ -112,7 +114,7 @@ impl<'a> FeedSqlBuilder<'a> {
         t.in_reply_to_id,
         t.visibility, t.content_warning, t.sensitive, t.local AS t_local,
         t.created_at AS thought_created_at, t.updated_at AS thought_updated_at,
-        t.note_extensions,
+        t.note_extensions, t.mood,
         u.id,
         CASE WHEN NOT u.local AND ra.handle IS NOT NULL AND ra.handle != ''
              THEN '@' || ra.handle ||
@@ -124,7 +126,7 @@ impl<'a> FeedSqlBuilder<'a> {
         COALESCE(ra.display_name, u.display_name) AS display_name,
         u.bio,
         COALESCE(ra.avatar_url, u.avatar_url) AS avatar_url,
-        u.header_url, u.custom_css, u.profile_fields,
+        u.header_url, u.custom_css, u.profile_fields, u.custom_moods,
         u.local,
         u.created_at, u.updated_at,
         COALESCE(l_agg.cnt, 0) AS like_count,

crates/adapters/postgres/src/feed/tests.rs

@@ -28,6 +28,7 @@ async fn seed(pool: &sqlx::PgPool, username: &str, content: &str) -> (User, Thou
         visibility: Visibility::Public,
         content_warning: None,
         sensitive: false,
+        mood: None,
     });
     trepo.save(&t).await.unwrap();
     (u, t)

crates/adapters/postgres/src/follow/mod.rs

@@ -120,7 +120,7 @@ impl FollowRepository for PgFollowRepository {
         .into_domain()?;
 
         let rows = sqlx::query_as::<_, crate::user::UserRow>(
-            "SELECT u.id,u.username,u.email,u.password_hash,u.display_name,u.bio,u.avatar_url,u.header_url,u.custom_css,u.profile_fields,u.local,u.created_at,u.updated_at
+            "SELECT u.id,u.username,u.email,u.password_hash,u.display_name,u.bio,u.avatar_url,u.header_url,u.custom_css,u.profile_fields,u.custom_moods,u.local,u.created_at,u.updated_at
              FROM users u JOIN follows f ON f.follower_id=u.id
              WHERE f.following_id=$1 AND f.state='accepted'
              ORDER BY f.created_at DESC LIMIT $2 OFFSET $3"
@@ -154,7 +154,7 @@ impl FollowRepository for PgFollowRepository {
         .into_domain()?;
 
         let rows = sqlx::query_as::<_, crate::user::UserRow>(
-            "SELECT u.id,u.username,u.email,u.password_hash,u.display_name,u.bio,u.avatar_url,u.header_url,u.custom_css,u.profile_fields,u.local,u.created_at,u.updated_at
+            "SELECT u.id,u.username,u.email,u.password_hash,u.display_name,u.bio,u.avatar_url,u.header_url,u.custom_css,u.profile_fields,u.custom_moods,u.local,u.created_at,u.updated_at
              FROM users u JOIN follows f ON f.following_id=u.id
              WHERE f.follower_id=$1 AND f.state='accepted'
              ORDER BY f.created_at DESC LIMIT $2 OFFSET $3"
@@ -210,7 +210,7 @@ impl FollowRepository for PgFollowRepository {
 
         let rows = sqlx::query_as::<_, crate::user::UserRow>(
             "SELECT u.id, u.username, u.email, u.password_hash, u.display_name, u.bio,
-                    u.avatar_url, u.header_url, u.custom_css, u.profile_fields, u.local,
+                    u.avatar_url, u.header_url, u.custom_css, u.profile_fields, u.custom_moods, u.local,
                     u.created_at, u.updated_at
              FROM users u
              JOIN follows f1

crates/adapters/postgres/src/tag/tests.rs

@@ -37,6 +37,7 @@ async fn attach_and_list(pool: sqlx::PgPool) {
         visibility: Visibility::Public,
         content_warning: None,
         sensitive: false,
+        mood: None,
     });
     trepo.save(&t).await.unwrap();
     let repo = PgTagRepository::new(pool);

crates/adapters/postgres/src/test_helpers.rs

@@ -31,6 +31,7 @@ pub async fn seed_user_and_thought(pool: &sqlx::PgPool) -> (User, Thought) {
         visibility: Visibility::Public,
         content_warning: None,
         sensitive: false,
+        mood: None,
     });
     trepo.save(&t).await.unwrap();
     (user, t)

crates/adapters/postgres/src/thought/mod.rs

@@ -35,6 +35,7 @@ pub(crate) struct ThoughtRow {
     pub created_at: DateTime<Utc>,
     pub updated_at: Option<DateTime<Utc>>,
     pub note_extensions: Option<serde_json::Value>,
+    pub mood: Option<String>,
 }
 
 impl TryFrom<ThoughtRow> for Thought {
@@ -52,19 +53,20 @@ impl TryFrom<ThoughtRow> for Thought {
             created_at: r.created_at,
             updated_at: r.updated_at,
             note_extensions: r.note_extensions,
+            mood: r.mood,
         })
     }
 }
 
 const THOUGHT_SELECT: &str =
-    "SELECT id,user_id,content,in_reply_to_id,visibility,content_warning,sensitive,local,created_at,updated_at,note_extensions FROM thoughts";
+    "SELECT id,user_id,content,in_reply_to_id,visibility,content_warning,sensitive,local,created_at,updated_at,note_extensions,mood FROM thoughts";
 
 #[async_trait]
 impl ThoughtRepository for PgThoughtRepository {
     async fn save(&self, t: &Thought) -> Result<(), DomainError> {
         sqlx::query(
-            "INSERT INTO thoughts(id,user_id,content,in_reply_to_id,visibility,content_warning,sensitive,local,created_at)
-             VALUES($1,$2,$3,$4,$5,$6,$7,$8,$9)
+            "INSERT INTO thoughts(id,user_id,content,in_reply_to_id,visibility,content_warning,sensitive,local,created_at,mood)
+             VALUES($1,$2,$3,$4,$5,$6,$7,$8,$9,$10)
              ON CONFLICT(id) DO UPDATE SET content=EXCLUDED.content,updated_at=NOW()"
         )
         .bind(t.id.as_uuid())
@@ -76,6 +78,7 @@ impl ThoughtRepository for PgThoughtRepository {
         .bind(t.sensitive)
         .bind(t.local)
         .bind(t.created_at)
+        .bind(&t.mood)
         .execute(&self.pool)
         .await
         .into_domain()
@@ -119,11 +122,11 @@ impl ThoughtRepository for PgThoughtRepository {
         sqlx::query_as::<_, ThoughtRow>(
             "WITH RECURSIVE thread AS (
                 SELECT id,user_id,content,in_reply_to_id,
-                       visibility,content_warning,sensitive,local,created_at,updated_at,note_extensions
+                       visibility,content_warning,sensitive,local,created_at,updated_at,note_extensions,mood
                 FROM thoughts WHERE id = $1
                 UNION ALL
                 SELECT t.id,t.user_id,t.content,t.in_reply_to_id,
-                       t.visibility,t.content_warning,t.sensitive,t.local,t.created_at,t.updated_at,t.note_extensions
+                       t.visibility,t.content_warning,t.sensitive,t.local,t.created_at,t.updated_at,t.note_extensions,t.mood
                 FROM thoughts t JOIN thread ON t.in_reply_to_id = thread.id
             )
             SELECT * FROM thread ORDER BY created_at ASC",

crates/adapters/postgres/src/thought/tests.rs

@@ -14,6 +14,7 @@ async fn save_and_find_thought(pool: sqlx::PgPool) {
         visibility: Visibility::Public,
         content_warning: None,
         sensitive: false,
+        mood: None,
     });
     repo.save(&t).await.unwrap();
     let found = repo.find_by_id(&t.id).await.unwrap().unwrap();
@@ -33,6 +34,7 @@ async fn delete_thought(pool: sqlx::PgPool) {
         visibility: Visibility::Public,
         content_warning: None,
         sensitive: false,
+        mood: None,
     });
     repo.save(&t).await.unwrap();
     repo.delete(&t.id, &user.id).await.unwrap();
@@ -52,6 +54,7 @@ async fn delete_wrong_owner_returns_not_found(pool: sqlx::PgPool) {
         visibility: Visibility::Public,
         content_warning: None,
         sensitive: false,
+        mood: None,
     });
     repo.save(&t).await.unwrap();
     let err = repo.delete(&t.id, &bob.id).await.unwrap_err();
@@ -70,6 +73,7 @@ async fn get_thread_returns_root_and_replies(pool: sqlx::PgPool) {
         visibility: Visibility::Public,
         content_warning: None,
         sensitive: false,
+        mood: None,
     });
     let reply = Thought::new_local(NewThought {
         id: ThoughtId::new(),
@@ -79,6 +83,7 @@ async fn get_thread_returns_root_and_replies(pool: sqlx::PgPool) {
         visibility: Visibility::Public,
         content_warning: None,
         sensitive: false,
+        mood: None,
     });
     repo.save(&root).await.unwrap();
     repo.save(&reply).await.unwrap();

crates/adapters/postgres/src/top_friend/mod.rs

@@ -54,7 +54,7 @@ impl TopFriendRepository for PgTopFriendRepository {
         let rows = sqlx::query_as::<_, TopFriendRow>(
             "SELECT tf.user_id AS tf_user_id, tf.friend_id, tf.position,
              u.id, u.username, u.email, u.password_hash, u.display_name, u.bio,
-             u.avatar_url, u.header_url, u.custom_css, u.profile_fields, u.local,
+             u.avatar_url, u.header_url, u.custom_css, u.profile_fields, u.custom_moods, u.local,
              u.created_at, u.updated_at
              FROM top_friends tf JOIN users u ON u.id=tf.friend_id
              WHERE tf.user_id=$1 ORDER BY tf.position",

crates/adapters/postgres/src/user/mod.rs

@@ -32,6 +32,7 @@ pub struct UserRow {
     pub header_url: Option<String>,
     pub custom_css: Option<String>,
     pub profile_fields: Option<serde_json::Value>,
+    pub custom_moods: Option<serde_json::Value>,
     pub local: bool,
     pub created_at: DateTime<Utc>,
     pub updated_at: DateTime<Utc>,
@@ -50,6 +51,7 @@ impl From<UserRow> for User {
             header_url: r.header_url,
             custom_css: r.custom_css,
             profile_fields: crate::jsonb::parse_name_value(r.profile_fields),
+            custom_moods: crate::jsonb::parse_name_value(r.custom_moods),
             local: r.local,
             created_at: r.created_at,
             updated_at: r.updated_at,
@@ -59,7 +61,7 @@ impl From<UserRow> for User {
 
 pub const USER_SELECT: &str =
     "SELECT id,username,email,password_hash,display_name,bio,avatar_url,header_url,\
-     custom_css,profile_fields,local,created_at,updated_at FROM users";
+     custom_css,profile_fields,custom_moods,local,created_at,updated_at FROM users";
 
 #[async_trait]
 impl UserReader for PgUserRepository {
@@ -225,15 +227,17 @@ impl UserReader for PgUserRepository {
 impl UserWriter for PgUserRepository {
     async fn save(&self, user: &User) -> Result<(), DomainError> {
         let profile_fields_json = crate::jsonb::serialize_name_value(&user.profile_fields);
+        let custom_moods_json = crate::jsonb::serialize_name_value(&user.custom_moods);
         sqlx::query(
-            "INSERT INTO users (id,username,email,password_hash,display_name,bio,avatar_url,header_url,custom_css,profile_fields,local,created_at,updated_at)
-             VALUES ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,$12,$13)
+            "INSERT INTO users (id,username,email,password_hash,display_name,bio,avatar_url,header_url,custom_css,profile_fields,custom_moods,local,created_at,updated_at)
+             VALUES ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,$12,$13,$14)
              ON CONFLICT(id) DO UPDATE SET
                username=EXCLUDED.username, email=EXCLUDED.email,
                password_hash=EXCLUDED.password_hash, display_name=EXCLUDED.display_name,
                bio=EXCLUDED.bio, avatar_url=EXCLUDED.avatar_url,
                header_url=EXCLUDED.header_url, custom_css=EXCLUDED.custom_css,
                profile_fields=EXCLUDED.profile_fields,
+               custom_moods=EXCLUDED.custom_moods,
                local=EXCLUDED.local,
                updated_at=NOW()"
         )
@@ -247,6 +251,7 @@ impl UserWriter for PgUserRepository {
         .bind(&user.header_url)
         .bind(&user.custom_css)
         .bind(&profile_fields_json)
+        .bind(&custom_moods_json)
         .bind(user.local)
         .bind(user.created_at)
         .bind(user.updated_at)
@@ -276,6 +281,10 @@ impl UserWriter for PgUserRepository {
             .profile_fields
             .as_ref()
             .map(|f| crate::jsonb::serialize_name_value(f));
+        let custom_moods_json: Option<serde_json::Value> = input
+            .custom_moods
+            .as_ref()
+            .map(|f| crate::jsonb::serialize_name_value(f));
         sqlx::query(
             "UPDATE users SET \
              display_name    = COALESCE($2, display_name), \
@@ -284,6 +293,7 @@ impl UserWriter for PgUserRepository {
              header_url      = COALESCE($5, header_url), \
              custom_css      = COALESCE($6, custom_css), \
              profile_fields  = COALESCE($7, profile_fields), \
+             custom_moods    = COALESCE($8, custom_moods), \
              updated_at      = NOW() \
              WHERE id = $1",
         )
@@ -294,6 +304,7 @@ impl UserWriter for PgUserRepository {
         .bind(input.header_url)
         .bind(input.custom_css)
         .bind(profile_fields_json)
+        .bind(custom_moods_json)
         .execute(&self.pool)
         .await
         .into_domain()

crates/api-types/src/requests.rs

@@ -31,6 +31,7 @@ pub struct CreateThoughtRequest {
     pub visibility: Option<String>,
     pub content_warning: Option<String>,
     pub sensitive: Option<bool>,
+    pub mood: Option<String>,
 }
 
 #[derive(Deserialize, utoipa::ToSchema)]
@@ -48,6 +49,7 @@ pub struct UpdateProfileRequest {
     pub header_url: Option<String>,
     pub custom_css: Option<String>,
     pub profile_fields: Option<Vec<crate::responses::ProfileField>>,
+    pub custom_moods: Option<Vec<crate::responses::ProfileField>>,
 }
 
 #[derive(Deserialize, utoipa::ToSchema)]

crates/api-types/src/responses.rs

@@ -20,6 +20,7 @@ pub struct UserResponse {
     pub header_url: Option<String>,
     pub custom_css: Option<String>,
     pub profile_fields: Vec<ProfileField>,
+    pub custom_moods: Vec<ProfileField>,
     pub local: bool,
     pub is_followed_by_viewer: bool,
     #[serde(rename = "joinedAt")]
@@ -48,6 +49,8 @@ pub struct ThoughtResponse {
     pub updated_at: Option<DateTime<Utc>>,
     #[serde(skip_serializing_if = "Option::is_none")]
     pub note_extensions: Option<serde_json::Value>,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub mood: Option<String>,
 }
 
 #[derive(Serialize, utoipa::ToSchema)]

crates/application/src/services/federation_event/tests.rs

@@ -100,6 +100,7 @@ fn local_thought(author_id: UserId) -> Thought {
         visibility: Visibility::Public,
         content_warning: None,
         sensitive: false,
+        mood: None,
     })
 }
 
@@ -283,6 +284,7 @@ async fn direct_thought_created_does_not_broadcast() {
         visibility: Visibility::Direct,
         content_warning: None,
         sensitive: false,
+        mood: None,
     });
     store.users.lock().unwrap().push(alice.clone());
     store.thoughts.lock().unwrap().push(thought.clone());
@@ -312,6 +314,7 @@ async fn followers_only_thought_does_not_broadcast_publicly() {
         visibility: Visibility::Followers,
         content_warning: None,
         sensitive: false,
+        mood: None,
     });
     store.users.lock().unwrap().push(alice.clone());
     store.thoughts.lock().unwrap().push(thought.clone());

crates/application/src/services/notification_event/tests.rs

@@ -32,6 +32,7 @@ async fn like_creates_notification_for_thought_author() {
         visibility: Visibility::Public,
         content_warning: None,
         sensitive: false,
+        mood: None,
     });
     store.thoughts.lock().unwrap().push(thought.clone());
     let svc = NotificationEventService {
@@ -62,6 +63,7 @@ async fn self_like_creates_no_notification() {
         visibility: Visibility::Public,
         content_warning: None,
         sensitive: false,
+        mood: None,
     });
     store.thoughts.lock().unwrap().push(thought.clone());
     let svc = NotificationEventService {
@@ -111,6 +113,7 @@ async fn reply_creates_notification_for_original_author() {
         visibility: Visibility::Public,
         content_warning: None,
         sensitive: false,
+        mood: None,
     });
     store.thoughts.lock().unwrap().push(original.clone());
     let svc = NotificationEventService {
@@ -141,6 +144,7 @@ async fn self_reply_creates_no_notification() {
         visibility: Visibility::Public,
         content_warning: None,
         sensitive: false,
+        mood: None,
     });
     store.thoughts.lock().unwrap().push(original.clone());
     let svc = NotificationEventService {
@@ -169,6 +173,7 @@ async fn self_boost_creates_no_notification() {
         visibility: Visibility::Public,
         content_warning: None,
         sensitive: false,
+        mood: None,
     });
     store.thoughts.lock().unwrap().push(thought.clone());
     let svc = NotificationEventService {

crates/application/src/use_cases/profile/mod.rs

@@ -2,6 +2,9 @@ const MAX_TOP_FRIENDS: usize = 8;
 const MAX_PROFILE_FIELDS: usize = 4;
 const MAX_FIELD_NAME_LEN: usize = 64;
 const MAX_FIELD_VALUE_LEN: usize = 256;
+const MAX_CUSTOM_MOODS: usize = 8;
+const MAX_MOOD_LABEL_LEN: usize = 32;
+const MAX_MOOD_EMOJI_LEN: usize = 8;
 
 use bytes::Bytes;
 use domain::{
@@ -72,6 +75,20 @@ pub async fn update_profile(
             }
         }
     }
+    if let Some(ref moods) = input.custom_moods {
+        if moods.len() > MAX_CUSTOM_MOODS {
+            return Err(DomainError::InvalidInput(format!(
+                "custom moods: max {MAX_CUSTOM_MOODS}"
+            )));
+        }
+        for (label, emoji) in moods {
+            if label.len() > MAX_MOOD_LABEL_LEN || emoji.len() > MAX_MOOD_EMOJI_LEN {
+                return Err(DomainError::InvalidInput(
+                    "custom mood label or emoji too long".into(),
+                ));
+            }
+        }
+    }
     users.update_profile(user_id, input).await?;
     events
         .publish(&DomainEvent::ProfileUpdated {

crates/application/src/use_cases/social/tests.rs

@@ -34,6 +34,7 @@ async fn like_and_unlike() {
             visibility: Visibility::Public,
             content_warning: None,
             sensitive: false,
+            mood: None,
         }));
     like_thought(&store, &store, &alice.id, &tid).await.unwrap();
     assert_eq!(store.likes.lock().unwrap().len(), 1);

crates/application/src/use_cases/thoughts/mod.rs

@@ -26,6 +26,7 @@ pub struct CreateThoughtInput {
     pub visibility: Option<String>,
     pub content_warning: Option<String>,
     pub sensitive: bool,
+    pub mood: Option<String>,
 }
 pub struct CreateThoughtOutput {
     pub thought: Thought,
@@ -39,6 +40,11 @@ pub async fn create_thought(
     outbox: &dyn OutboxWriter,
     input: CreateThoughtInput,
 ) -> Result<CreateThoughtOutput, DomainError> {
+    if let Some(ref m) = input.mood {
+        if m.len() > 64 {
+            return Err(DomainError::InvalidInput("mood: max 64 chars".into()));
+        }
+    }
     let content = Content::new_local(input.content)?;
     let visibility = match input.visibility.as_deref() {
         Some("followers") => Visibility::Followers,
@@ -54,6 +60,7 @@ pub async fn create_thought(
         visibility,
         content_warning: input.content_warning,
         sensitive: input.sensitive,
+        mood: input.mood,
     });
     thoughts.save(&thought).await?;
 

crates/application/src/use_cases/thoughts/tests.rs

@@ -22,6 +22,7 @@ fn input(uid: UserId) -> CreateThoughtInput {
         visibility: None,
         content_warning: None,
         sensitive: false,
+        mood: None,
     }
 }
 
@@ -207,6 +208,7 @@ async fn create_reply_sets_in_reply_to_id() {
             visibility: None,
             content_warning: None,
             sensitive: false,
+            mood: None,
         },
     )
     .await
@@ -243,6 +245,7 @@ fn make_thought(user_id: UserId) -> Thought {
         visibility: Visibility::Public,
         content_warning: None,
         sensitive: false,
+        mood: None,
     })
 }
 
@@ -295,6 +298,7 @@ async fn get_thread_views_batches_correctly() {
         visibility: Visibility::Public,
         content_warning: None,
         sensitive: false,
+        mood: None,
     });
     <TestStore as ThoughtRepository>::save(&store, &reply)
         .await

crates/domain/src/models/thought.rs

@@ -22,6 +22,7 @@ pub struct Thought {
     pub created_at: DateTime<Utc>,
     pub updated_at: Option<DateTime<Utc>>,
     pub note_extensions: Option<serde_json::Value>,
+    pub mood: Option<String>,
 }
 
 impl Visibility {
@@ -55,6 +56,7 @@ pub struct NewThought {
     pub visibility: Visibility,
     pub content_warning: Option<String>,
     pub sensitive: bool,
+    pub mood: Option<String>,
 }
 
 impl Thought {
@@ -71,6 +73,7 @@ impl Thought {
             created_at: Utc::now(),
             updated_at: None,
             note_extensions: None,
+            mood: p.mood,
         }
     }
 }

crates/domain/src/models/user.rs

@@ -9,6 +9,7 @@ pub struct UpdateProfileInput {
     pub header_url: Option<String>,
     pub custom_css: Option<String>,
     pub profile_fields: Option<Vec<(String, String)>>,
+    pub custom_moods: Option<Vec<(String, String)>>,
 }
 
 #[derive(Debug, Clone)]
@@ -23,6 +24,7 @@ pub struct User {
     pub header_url: Option<String>,
     pub custom_css: Option<String>,
     pub profile_fields: Vec<(String, String)>,
+    pub custom_moods: Vec<(String, String)>,
     pub local: bool,
     pub created_at: DateTime<Utc>,
     pub updated_at: DateTime<Utc>,
@@ -47,6 +49,7 @@ impl User {
             header_url: None,
             custom_css: None,
             profile_fields: vec![],
+            custom_moods: vec![],
             local: true,
             created_at: now,
             updated_at: now,
@@ -66,6 +69,7 @@ impl User {
             header_url: None,
             custom_css: None,
             profile_fields: vec![],
+            custom_moods: vec![],
             local: false,
             created_at: now,
             updated_at: now,

crates/presentation/src/handlers/auth.rs

@@ -32,6 +32,14 @@ pub fn to_user_response(u: &domain::models::user::User) -> UserResponse {
                 value: v.clone(),
             })
             .collect(),
+        custom_moods: u
+            .custom_moods
+            .iter()
+            .map(|(n, v)| ProfileField {
+                name: n.clone(),
+                value: v.clone(),
+            })
+            .collect(),
         local: u.local,
         is_followed_by_viewer: false,
         created_at: u.created_at,
@@ -48,6 +56,7 @@ pub fn to_summary_response(u: &UserSummary) -> UserResponse {
         header_url: None,
         custom_css: None,
         profile_fields: vec![],
+        custom_moods: vec![],
         local: true,
         is_followed_by_viewer: false,
         created_at: chrono::Utc::now(),

crates/presentation/src/handlers/feed.rs

@@ -109,6 +109,7 @@ pub fn to_thought_response(e: &domain::models::feed::FeedEntry) -> ThoughtRespon
         created_at: e.thought.created_at,
         updated_at: e.thought.updated_at,
         note_extensions: e.thought.note_extensions.clone(),
+        mood: e.thought.mood.clone(),
     }
 }
 

crates/presentation/src/handlers/thoughts.rs

@@ -61,6 +61,7 @@ pub async fn post_thought(
             visibility: body.visibility,
             content_warning: body.content_warning,
             sensitive: body.sensitive.unwrap_or(false),
+            mood: body.mood,
         },
     )
     .await?;

crates/presentation/src/handlers/users/mod.rs

@@ -117,6 +117,9 @@ pub async fn patch_profile(
             profile_fields: body
                 .profile_fields
                 .map(|f| f.into_iter().map(|pf| (pf.name, pf.value)).collect()),
+            custom_moods: body
+                .custom_moods
+                .map(|f| f.into_iter().map(|pf| (pf.name, pf.value)).collect()),
         },
     )
     .await?;

thoughts-frontend/app/page.tsx

@@ -114,7 +114,7 @@ async function FeedPage({
           <header className="mb-6">
             <h1 className="text-3xl font-bold text-shadow-sm">Your Feed</h1>
           </header>
-          <ThoughtForm />
+          <ThoughtForm currentUser={me} />
 
           <div className="block lg:hidden space-y-6">{sidebar}</div>
 

thoughts-frontend/app/settings/profile/page.tsx

@@ -9,6 +9,7 @@ export const metadata: Metadata = {
 import { redirect } from "next/navigation";
 import { getMe } from "@/lib/api";
 import { EditProfileForm } from "@/components/edit-profile-form";
+import { CustomMoodsEditor } from "@/components/custom-moods-editor";
 
 export default async function EditProfilePage() {
   const token = (await cookies()).get("auth_token")?.value;
@@ -32,6 +33,7 @@ export default async function EditProfilePage() {
         </p>
       </div>
       <EditProfileForm currentUser={me} token={token} />
+      <CustomMoodsEditor initial={me.customMoods} />
     </div>
   );
 }

thoughts-frontend/components/custom-moods-editor.tsx

@@ -0,0 +1,99 @@
+"use client";
+
+import { useState } from "react";
+import { useAuth } from "@/hooks/use-auth";
+import { updateProfile, type ProfileField } from "@/lib/api";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { toast } from "sonner";
+import { Plus, Trash2 } from "lucide-react";
+
+const MAX_MOODS = 8;
+
+export function CustomMoodsEditor({
+  initial,
+}: {
+  initial: ProfileField[];
+}) {
+  const { token } = useAuth();
+  const [moods, setMoods] = useState<ProfileField[]>(initial);
+  const [saving, setSaving] = useState(false);
+
+  const update = (i: number, key: "name" | "value", val: string) => {
+    setMoods((prev) => prev.map((f, j) => (j === i ? { ...f, [key]: val } : f)));
+  };
+
+  const add = () => {
+    if (moods.length >= MAX_MOODS) return;
+    setMoods((prev) => [...prev, { name: "", value: "" }]);
+  };
+
+  const remove = (i: number) => {
+    setMoods((prev) => prev.filter((_, j) => j !== i));
+  };
+
+  const save = async () => {
+    if (!token) return;
+    const clean = moods.filter((f) => f.name.trim() || f.value.trim());
+    setSaving(true);
+    try {
+      await updateProfile({ customMoods: clean }, token);
+      setMoods(clean);
+      toast.success("Custom moods saved.");
+    } catch {
+      toast.error("Failed to save custom moods.");
+    } finally {
+      setSaving(false);
+    }
+  };
+
+  return (
+    <div className="glass-effect glossy-effect bottom rounded-md shadow-fa-lg p-4 space-y-3">
+      <div>
+        <h3 className="text-lg font-medium">Custom moods</h3>
+        <p className="text-sm text-muted-foreground">
+          Add up to {MAX_MOODS} custom moods. These appear alongside the
+          predefined moods when composing a thought.
+        </p>
+      </div>
+
+      <div className="space-y-2">
+        {moods.map((f, i) => (
+          <div key={i} className="flex gap-2 items-center">
+            <Input
+              value={f.name}
+              onChange={(e) => update(i, "name", e.target.value)}
+              placeholder="Mood name"
+              className="max-w-[10rem] text-sm"
+            />
+            <Input
+              value={f.value}
+              onChange={(e) => update(i, "value", e.target.value)}
+              placeholder="Emoji"
+              className="max-w-[5rem] text-sm"
+            />
+            <Button
+              variant="ghost"
+              size="icon"
+              onClick={() => remove(i)}
+              className="shrink-0"
+            >
+              <Trash2 className="h-4 w-4" />
+            </Button>
+          </div>
+        ))}
+      </div>
+
+      <div className="flex gap-2">
+        {moods.length < MAX_MOODS && (
+          <Button variant="outline" size="sm" onClick={add}>
+            <Plus className="h-4 w-4 mr-1" /> Add mood
+          </Button>
+        )}
+        <Button size="sm" onClick={save} disabled={saving}>
+          {saving ? "Saving…" : "Save"}
+        </Button>
+      </div>
+    </div>
+  );
+}

thoughts-frontend/components/thought-card.tsx

@@ -223,6 +223,11 @@ export function ThoughtCard({
               }}
             />
           )}
+          {(thought.mood || (meta?.mood as string | undefined)) && (
+            <p className="text-xs text-muted-foreground italic mt-2">
+              feeling {thought.mood || (meta?.mood as string)}
+            </p>
+          )}
         </CardContent>
 
         {token && (
@@ -244,6 +249,7 @@ export function ThoughtCard({
             <ThoughtForm
               replyToId={thought.id}
               onSuccess={() => setIsReplyOpen(false)}
+              currentUser={currentUser}
             />
           </div>
         )}

thoughts-frontend/components/thought-form.tsx

@@ -20,7 +20,7 @@ import {
   SelectTrigger,
   SelectValue,
 } from "@/components/ui/select"
-import { CreateThoughtSchema } from "@/lib/api"
+import { CreateThoughtSchema, type Me } from "@/lib/api"
 import { useAuth } from "@/hooks/use-auth"
 import { toast } from "sonner"
 import { Globe, Lock, Users } from "lucide-react"
@@ -28,6 +28,13 @@ import { useState } from "react"
 import { Confetti } from "./confetti"
 import { createThought } from "@/app/actions/thoughts"
 
+const DEFAULT_MOODS = [
+  "relaxed 😌", "happy 😊", "excited 🤩", "grateful 🙏", "inspired ✨",
+  "thoughtful 🤔", "curious 🧐", "amused 😄", "proud 💪", "hopeful 🌟",
+  "tired 😴", "stressed 😰", "anxious 😟", "sad 😢", "frustrated 😤",
+  "angry 😠", "bored 😑", "confused 😕", "nostalgic 🥹", "silly 🤪",
+]
+
 interface ThoughtFormProps {
   /** Set to the parent thought ID when composing a reply. */
   replyToId?: string
@@ -35,12 +42,20 @@ interface ThoughtFormProps {
   onSuccess?: () => void
   /** Whether to wrap in a Card. Defaults to true when no replyToId. */
   card?: boolean
+  currentUser?: Me | null
 }
 
-export function ThoughtForm({ replyToId, onSuccess, card = !replyToId }: ThoughtFormProps) {
+export function ThoughtForm({ replyToId, onSuccess, card = !replyToId, currentUser }: ThoughtFormProps) {
   const { token } = useAuth()
   const [showConfetti, setShowConfetti] = useState(false)
 
+  const allMoods = [
+    ...DEFAULT_MOODS,
+    ...(currentUser?.customMoods ?? [])
+      .filter(m => !DEFAULT_MOODS.some(d => d.toLowerCase().startsWith(m.name.toLowerCase())))
+      .map(m => `${m.name} ${m.value}`),
+  ]
+
   const form = useForm<z.infer<typeof CreateThoughtSchema>>({
     resolver: zodResolver(CreateThoughtSchema),
     defaultValues: {
@@ -86,40 +101,61 @@ export function ThoughtForm({ replyToId, onSuccess, card = !replyToId }: Thought
           )}
         />
         <div className={`flex ${replyToId ? "justify-end gap-2" : "justify-between items-center"}`}>
-          {!replyToId && (
+          <div className="flex gap-2">
+            {!replyToId && (
+              <FormField
+                control={form.control}
+                name="visibility"
+                render={({ field }) => (
+                  <Select onValueChange={field.onChange} defaultValue={field.value}>
+                    <FormControl>
+                      <SelectTrigger className="w-[150px]">
+                        <SelectValue placeholder="Visibility" />
+                      </SelectTrigger>
+                    </FormControl>
+                    <SelectContent>
+                      <SelectItem value="public">
+                        <div className="flex items-center gap-2"><Globe className="h-4 w-4" /> Public</div>
+                      </SelectItem>
+                      <SelectItem value="followers">
+                        <div className="flex items-center gap-2"><Users className="h-4 w-4" /> Followers</div>
+                      </SelectItem>
+                      <SelectItem value="unlisted">
+                        <div className="flex items-center gap-2"><Lock className="h-4 w-4" /> Unlisted</div>
+                      </SelectItem>
+                      <SelectItem value="direct">
+                        <div className="flex items-center gap-2"><Lock className="h-4 w-4" /> Direct</div>
+                      </SelectItem>
+                    </SelectContent>
+                  </Select>
+                )}
+              />
+            )}
             <FormField
               control={form.control}
-              name="visibility"
+              name="mood"
               render={({ field }) => (
-                <Select onValueChange={field.onChange} defaultValue={field.value}>
+                <Select onValueChange={(v) => field.onChange(v === "__none__" ? undefined : v)} value={field.value ?? "__none__"}>
                   <FormControl>
-                    <SelectTrigger className="w-[150px]">
-                      <SelectValue placeholder="Visibility" />
+                    <SelectTrigger className="w-[170px]">
+                      <SelectValue placeholder="How are you feeling?" />
                     </SelectTrigger>
                   </FormControl>
                   <SelectContent>
-                    <SelectItem value="public">
-                      <div className="flex items-center gap-2"><Globe className="h-4 w-4" /> Public</div>
-                    </SelectItem>
-                    <SelectItem value="followers">
-                      <div className="flex items-center gap-2"><Users className="h-4 w-4" /> Followers</div>
-                    </SelectItem>
-                    <SelectItem value="unlisted">
-                      <div className="flex items-center gap-2"><Lock className="h-4 w-4" /> Unlisted</div>
-                    </SelectItem>
-                    <SelectItem value="direct">
-                      <div className="flex items-center gap-2"><Lock className="h-4 w-4" /> Direct</div>
-                    </SelectItem>
+                    <SelectItem value="__none__">No mood</SelectItem>
+                    {allMoods.map((mood) => (
+                      <SelectItem key={mood} value={mood}>{mood}</SelectItem>
+                    ))}
                   </SelectContent>
                 </Select>
               )}
             />
-          )}
-          {replyToId && (
-            <Button type="button" variant="ghost" onClick={() => onSuccess?.()}>
-              Cancel
-            </Button>
-          )}
+            {replyToId && (
+              <Button type="button" variant="ghost" onClick={() => onSuccess?.()}>
+                Cancel
+              </Button>
+            )}
+          </div>
           <Button type="submit" disabled={form.formState.isSubmitting}>
             {form.formState.isSubmitting
               ? (replyToId ? "Replying..." : "Posting...")

thoughts-frontend/lib/api.ts

@@ -16,6 +16,7 @@ export const UserSchema = z.object({
   headerUrl: z.string().nullable(),
   customCss: z.string().nullable(),
   profileFields: z.array(ProfileFieldSchema).default([]),
+  customMoods: z.array(ProfileFieldSchema).default([]),
   local: z.boolean(),
   isFollowedByViewer: z.boolean(),
   joinedAt: z.coerce.date().nullable(),
@@ -55,6 +56,7 @@ export const ThoughtSchema = z.object({
   createdAt: z.coerce.date(),
   updatedAt: z.coerce.date().nullable(),
   noteExtensions: z.record(z.string(), z.unknown()).nullish(),
+  mood: z.string().nullable().optional(),
 });
 
 export const RegisterSchema = z.object({
@@ -72,6 +74,7 @@ export const CreateThoughtSchema = z.object({
   content: z.string().min(1).max(128),
   visibility: z.enum(["public", "followers", "unlisted", "direct"]).optional(),
   inReplyToId: z.string().uuid().optional(),
+  mood: z.string().max(64).optional(),
 });
 
 export const UpdateProfileSchema = z.object({
@@ -79,6 +82,7 @@ export const UpdateProfileSchema = z.object({
   bio: z.string().max(4000).optional(),
   customCss: z.string().optional(),
   profileFields: z.array(ProfileFieldSchema).max(4).optional(),
+  customMoods: z.array(ProfileFieldSchema).max(8).optional(),
 });
 
 export const SearchResultsSchema = z.object({
@@ -121,6 +125,7 @@ export const ThoughtThreadSchema: z.ZodType<{
   createdAt: Date;
   updatedAt: Date | null;
   noteExtensions?: Record<string, unknown> | null;
+  mood?: string | null;
   replies: ThoughtThread[];
 }> = z.object({
   id: z.string().uuid(),
@@ -138,6 +143,7 @@ export const ThoughtThreadSchema: z.ZodType<{
   createdAt: z.coerce.date(),
   updatedAt: z.coerce.date().nullable(),
   noteExtensions: z.record(z.string(), z.unknown()).nullish(),
+  mood: z.string().nullable().optional(),
   replies: z.lazy(() => z.array(ThoughtThreadSchema)),
 });