`expansion_lines.csv`

Columns

Column	Meaning
`record_id`	Stable row ID.
`wave`	Wave.
`line`	Line.
`kind`	Kind.
`method`	Method.
`question`	Question.
`yield_class`	Yield class.
`what_changed`	What changed.
`key_finding`	Key finding.
`next_step_needs`	Next step needs.
`further_desk_work`	Further desk work.
`source_prefix`	Source prefix.
`working_paper`	Working paper.
`evidence_label`	VN-direct, VN-adjacent or general.
`confidence`	High, Medium or Low.
`source_ids`	Semicolon-separated source IDs.
`notes`	Notes, caveats and our calculations.

Filter rows

record_id	wave	line	kind	method	question	yield_class	what_changed	key_finding	next_step_needs	further_desk_work	source_prefix	working_paper	evidence_label	confidence	source_ids	notes