refactor: rename listed → discoverable on note

Pure rename — no behavioral change. "discoverable" more clearly
communicates that the field controls whether a note can be found
by others in public listings.

lexicons/space/remanso/note.json

@@ -47,9 +47,9 @@
             "description": "Display theme for the note.",
             "knownValues": ["light", "dark"]
           },
-          "listed": {
+          "discoverable": {
             "type": "boolean",
-            "description": "Whether the note appears in public listings. Defaults to true."
+            "description": "Whether the note can be discovered by others in public listings. Defaults to true."
           }
         }
       }

src/data/db.ts

@@ -22,10 +22,10 @@ type NoteRow = {
 export const getNotes = (cursor?: string, limit = 20) => {
   const notes = cursor
     ? db.prepare(
-      "SELECT did, rkey, title, publishedAt, createdAt FROM note WHERE listed = 1 AND rkey < ? ORDER BY rkey DESC LIMIT ?",
+      "SELECT did, rkey, title, publishedAt, createdAt FROM note WHERE discoverable = 1 AND rkey < ? ORDER BY rkey DESC LIMIT ?",
     ).all<NoteRow>(cursor, limit)
     : db.prepare(
-      "SELECT did, rkey, title, publishedAt, createdAt FROM note WHERE listed = 1 ORDER BY rkey DESC LIMIT ?",
+      "SELECT did, rkey, title, publishedAt, createdAt FROM note WHERE discoverable = 1 ORDER BY rkey DESC LIMIT ?",
     ).all<NoteRow>(limit);
 
   return {
@@ -37,10 +37,10 @@ export const getNotes = (cursor?: string, limit = 20) => {
 export const getNotesByDid = (did: string, cursor?: string, limit = 20) => {
   const notes = cursor
     ? db.prepare(
-      "SELECT did, rkey, title, publishedAt, createdAt FROM note WHERE listed = 1 AND did = ? AND rkey < ? ORDER BY rkey DESC LIMIT ?",
+      "SELECT did, rkey, title, publishedAt, createdAt FROM note WHERE discoverable = 1 AND did = ? AND rkey < ? ORDER BY rkey DESC LIMIT ?",
     ).all<NoteRow>(did, cursor, limit)
     : db.prepare(
-      "SELECT did, rkey, title, publishedAt, createdAt FROM note WHERE listed = 1 AND did = ? ORDER BY rkey DESC LIMIT ?",
+      "SELECT did, rkey, title, publishedAt, createdAt FROM note WHERE discoverable = 1 AND did = ? ORDER BY rkey DESC LIMIT ?",
     ).all<NoteRow>(did, limit);
 
   return {
@@ -108,20 +108,20 @@ export const upsertNote = (note: Note) => {
       createdAt,
       did,
       rkey,
-      listed
+      discoverable
     )
     VALUES (?, ?, ?, ?, ?, ?)
     ON CONFLICT(did, rkey)
     DO UPDATE SET
       title = excluded.title,
       publishedAt = excluded.publishedAt,
-      listed = excluded.listed
+      discoverable = excluded.discoverable
     `,
     note.title,
     note.publishedAt ? new Date(note.publishedAt).toISOString() : now,
     note.createdAt ? new Date(note.createdAt).toISOString() : now,
     note.did,
     note.rkey,
-    note.listed !== false ? 1 : 0,
+    note.discoverable !== false ? 1 : 0,
   );
 };

src/data/note.ts

@@ -4,5 +4,5 @@ export type Note = {
   title: string;
   publishedAt: string;
   createdAt: string;
-  listed?: boolean;
+  discoverable?: boolean;
 };

src/migrations/init.ts

@@ -7,7 +7,7 @@ db.exec(`
     createdAt DATETIME NOT NULL,
     did TEXT NOT NULL,
     rkey TEXT NOT NULL,
-    listed INTEGER NOT NULL DEFAULT 1,
+    discoverable INTEGER NOT NULL DEFAULT 1,
     PRIMARY KEY (did, rkey)
   );
 `);
@@ -20,6 +20,12 @@ try {
   // Column already exists — no-op
 }
 
+try {
+  db.exec(`ALTER TABLE note RENAME COLUMN listed TO discoverable;`);
+} catch {
+  // Column already renamed or doesn't exist — no-op
+}
+
 db.exec(`
   CREATE TABLE IF NOT EXISTS state (
     key TEXT PRIMARY KEY,