Add permissively licensed OPEN ICM Polish publications pilot (#34)

studia_bas: Studia BAS policy articles (scoped from #19) (#44)

Add source: sejm_committee_transcripts - full Sejm committee zapis coverage (terms 9-10) (#37)

Add CC BY-SA 4.0 Wiadomosci Statystyczne Polish articles (#35)

Add CC BY 4.0 Polish OpenStax academic textbooks (#23)

Add CC BY-SA 4.0 Open AGH Polish chemistry textbooks (#25)

Add plwiki user-talk pages (ns 3) - conversational Polish (#40)

Add plwiki talk pages (ns 1+5) - conversational Polish (#36)

Add CC BY-SA 3.0 Polish cultural-accessibility guides (#27)

Add Polish TED public-procurement notices (#32)

Add CC BY-SA 3.0 Polish media-literacy lessons (#26)

Add source: sejm_interpellations — 10th-term written Q&A (#24)

Add CC0 Polish Common Voice validated text (v26.0) (#22)

Contributor guidance: source findings log + PR/normalization requirements (#17)