Changes in version 0.1.0 (2026-06-15)                  

  - Initial release.
  - Session-based CD-CAT engine via the CdcatSession R6 class.
  - Support for DINA, DINO, and GDINA cognitive diagnosis models.
  - Item selection criteria: KL, PWKL, MPWKL, SHE, sequential, and
    random.
  - Attribute estimation methods: MLE, MAP, and EAP.
  - Informative priors over skill profiles via cdcat_prior().
  - Content balancing (Kingsbury & Zara, 1991).
  - Exposure control (Sympson-Hetter and Randomesque).
  - Shadow CAT via user-supplied constraint functions.
  - Stopping rules: fixed length, attribute-level posterior threshold,
    and dual posterior threshold.
  - Per-step history tracking with history_df().
  - Built-in simulated datasets (cdcat_sim).