Correct June 30x40 recording-sequence filenames (#17)

Add August 22 Rec01 and Rec02 Standard recordings (#16)

Stage three verified August 2026 Standard recordings (#15)

Promote clean July 13 record to Standard (#14)

Ingest 17 verified Standard records (#13)

Correct distinct March and April 2026 records (#12)

Prepare v0.3 metadata-complete active index (#8)

Prepare v0.2 metadata and documentation release (#2)

Document RecNN recording sequence rule

Rebuild canonical metadata index and document legacy sources

docs: add filename schema