Feat/rimmel etl#1

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rimmelasghar wants to merge 13 commits into

PRAISELab-PicusLab:mainfrom

rimmelasghar:feat/rimmel-etl

Commits on May 25, 2026

feat(etl): declarative 5-phase ETL package with convert2df, fetch_dataframe, SCHEMA, MAPPINGS, validators
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fix(analytics): divide-by-zero and NaN-safe tick guards in 6 citation/country helpers
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fix(analytics): return empty DataFrame when biblioNetwork yields no AU_CO graph
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fix(biblionetwork): guard against None crossprod when a sparse field has no co-occurrences
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fix(histnetwork): generic-WoS reference parser fallback and empty-CR handling for non-WoS DBs
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feat(format_functions): biblio_json fast-path that delegates to ETL when frame is already standardised
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feat(app): Live API panel, standardised-CSV loader, normalised preview, sidebar reveal for 3 entry points
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test(etl): compat_etl 120/120, smoke_etl 9/9, run_etl CLI exporter with --sweep
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test(dashboard): import smoke 5/5 and cross-DB analysis matrix 55/56 (bradford-on-cochrane is pre-existing)
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docs(notebook): ETL_Demonstration.ipynb walks through all 5 phases and both API sources
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docs(samples): standardised CSV outputs from the 7-source ETL sweep
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docs(report): full write-up — 7-limitation matrix, ETL design, tests, bugs A-F, grader checklist
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chore(gitignore): exclude venv, run logs, and notebook checkpoints
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