New project table schema

packages/memory-service/src/db/index.js

@@ -18,6 +18,10 @@ function getDB() {
             db.exec(`ALTER TABLE sessions ADD COLUMN name TEXT`)
         } catch {}
 
+        try {
+            db.exec(`ALTER TABLE sessions ADD COLUMN project_id INTEGER REFERENCES projects(id)`);
+        } catch {}
+        
 
         // Sync FTS index with any existing episodes data
         db.exec(`INSERT OR REPLACE INTO episodes_fts(rowid, user_message, ai_response) 

packages/memory-service/src/db/schema.js

@@ -78,6 +78,18 @@ const schema = `
       INSERT INTO episodes_fts(rowid, user_message, ai_response)
       VALUES (new.id, new.user_message, new.ai_response);
     END;
+  
+  CREATE TABLE IF NOT EXISTS projects (
+    id          INTEGER PRIMARY KEY AUTOINCREMENT,
+    name        TEXT NOT NULL,
+    description TEXT,
+    colour      TEXT,
+    icon        TEXT,
+    created_at  INTEGER NOT NULL DEFAULT (unixepoch())
+  );
+
+  CREATE INDEX IF NOT EXISTS idx_sessions_project
+    ON sessions(project_id);
 `;
 
 module.exports = schema;