gnucash stable: Multiple changes pushed

[John Ralls]

Updated	 via  https://github.com/Gnucash/gnucash/commit/1d744065 (commit)
	 via  https://github.com/Gnucash/gnucash/commit/ec97ca60 (commit)
	from  https://github.com/Gnucash/gnucash/commit/b57349e8 (commit)



commit 1d744065f1a945a1cda698d38e2c77b3eccb5192
Merge: b57349e83d ec97ca6029
Author: John Ralls <jralls at ceridwen.us>
Date:   Sat Jun 27 09:48:25 2026 -0700

    Merge Brent McBride's 'Investment-lot-CAGR-columns' into stable.

commit ec97ca6029a0d451b3389456c743ab68e9f7b9da
Author: Brent McBride <mcbridebt at hotmail.com>
Date:   Wed Jun 17 22:52:54 2026 -0700

    Add CAGR columns to Investment Lots report
    
    Add compound annual growth rate (CAGR) columns to the Investment Lots report, refactor the split-handling logic, and expand the test-investment-lots SRFI-64 suite to cover the new calculations and reverse-split regression cases.



Summary of changes:
 .../report/reports/standard/investment-lots.scm    | 814 +++++++++++++-------
 .../report/reports/standard/test/CMakeLists.txt    |   1 +
 .../reports/standard/test/test-investment-lots.scm | 836 +++++++++++++++++++++
 3 files changed, 1395 insertions(+), 256 deletions(-)
 create mode 100644 gnucash/report/reports/standard/test/test-investment-lots.scm