feat(bugtracker, tokens): Add project search, push_id, target_agent, tags, edit modal, extended severities (idea, wishlist), token actions (copy/toggle/delete), and agent integration guide

src/Core/TokenManager.php

@@ -206,6 +206,15 @@ class TokenManager
         return $stmt->execute([':id' => $tokenId]);
     }
 
+    /**
+     * Permanently delete a Token (Master or Sub). If Master, child Sub-Tokens are deleted via cascade.
+     */
+    public function deleteToken(string $tokenId): bool
+    {
+        $stmt = $this->db->prepare('DELETE FROM dc_tokens WHERE token_id = :id OR parent_token_id = :id');
+        return $stmt->execute([':id' => $tokenId]);
+    }
+
     /**
      * Get all Master Tokens with child count.
      */