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Diagnose missing dynamic Yocto packages by separating PACKAGES_DYNAMIC promises from do_split_packages discovery, naming, eligibility and optional dependency behavior.

Trace editable Yocto configuration files from package ownership through get_conffiles filtering and DEB/RPM metadata, then test real upgrade preservation cases.

Bound Yocto license-flag acceptance using recipe-name expansion, underscore-prefix matching, optional version components and all-flags coverage.

Diagnose LIC_FILES_CHKSUM failures through source location, inclusive line bounds, binary-byte hashing, truncated diagnostics and extracted license-text coverage.

Explain feature additions during Yocto upgrades through backfill lists, considered opt-outs, explicit assignments and the recipe context that consumes the resulting policy.

Diagnose missing Yocto recipes and appends by testing BBMASK full-path regular expressions, final configuration contributions and metadata visibility before provider selection.

Trace a harmless host variable across BitBake admission, metadata assignment, task export and child-process observation without confusing metadata substitution with environment inheritance.

Diagnose runtime property edits by their encoded bytes and replacement length, including the narrow preservation-cell behavior.