tidyusmacro 0.2.0

Breaking changes

logLinearProjection() has a new data-masked interface designed for use inside dplyr verbs: it now takes bare column names (logLinearProjection(date, value, start_date, end_date)) instead of a data frame plus column-name strings (logLinearProjection(tbl, "date", "value", ...)). Code using the old string-based interface must be updated.

getDallasTrimPCE() downloads the component-level data underlying the Dallas Fed Trimmed Mean PCE inflation rate and returns a tidy panel with trimming weights and trim-side flags.
getUnrateFRED() retrieves unemployment and labor force levels from FRED and computes the unemployment rate.
date_breaks_gg() and date_breaks_n() provide evenly spaced date breaks for ggplot2 axes.
getBLSFiles() supports Consumer Expenditure Survey flat files (data_source = "cex").
New dataset dallasTrimPCEcomponents maps PCE line items to Dallas Fed trimmed-mean components.

getFRED() downloads via httr::GET() with an explicit user agent, fixing intermittent “HTTP/2 stream was not closed cleanly” failures against FRED’s CSV endpoint.
getBLSFiles() no longer produces duplicate .x/.y columns when lookup files share metadata column names; shared metadata columns are prefixed with the lookup file name.
getBLSFiles() now restores the user’s HTTPUserAgent option on exit.
logLinearProjection() no longer calls the deprecated dplyr::cur_data_all(), which warned on every use under dplyr >= 1.1.0; it now uses dplyr::pick(). Calls using the old pre-0.2.0 string interface fail with an informative error pointing to the new interface.
Added a testthat suite covering logLinearProjection().

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