v1.0.4a4

What's Changed

• docs: clarify cellpy_units in get() and clean up cellreader docstrings by @jepegit in #426
• Stage 0.1: Golden-fixture convention and regeneration tooling by @jepegit in #440
• ci: fast PR gate — essential only, conda matrix on schedule by @jepegit in #441
• 428 golden fixture convention by @jepegit in #442
• Stage 0.2: Cellpy-file HDF5 characterization tests by @jepegit in #443
• test(testing): prms configuration characterization (Stage 0.3) by @jepegit in #444
• test(testing): unit-handling characterization (Stage 0.4) (#431) by @jepegit in #445
• test(testing): per-loader golden snapshots for tier-1 loaders (Stage 0.5) by @jepegit in #460
• test(testing): curve-extraction golden snapshots (Stage 0.6) by @jepegit in #461
• test(testing): value-parity comparator through header mapping (Stage 0.7) by @jepegit in #462
• Stage 0.8: Extend consumer scans to filters/, exporters/, internals/ by @jepegit in #463
• build(deps): bump mistune from 3.2.1 to 3.3.0 by @dependabot[bot] in #464
• test: Stage 0.9 benchmark harness with v1.x baselines (#436) by @jepegit in #467
• fix(ci): retry setup-miniconda on transient conda-forge failures (#465) by @jepegit in #468
• docs: add Cursor Cloud dev environment instructions to AGENTS.md by @jepegit in #469
• test: fix legacy v4/v5 cellpy-file characterization (#466) by @jepegit in #470
• Stage 0.10: Conventions bootstrap — deprecation helper, exception tree, DEPRECATIONS registry by @jepegit in #471
• chore: issue #438 Stage 0 decision register (tracking) by @jepegit in #472
• docs: document jepegit/architecture-plan mirror by @jepegit in #473
• docs: Stage 0 foundations complete (#439) by @jepegit in #474

Full Changelog: v1.0.4a3...v1.0.4a4