PR summary b9eeed9ae9

## from your `mathlib4` directory:
git clone https://github.com/leanprover-community/mathlib-ci.git ../mathlib-ci

## summary with just the declaration names:
../mathlib-ci/scripts/pr_summary/declarations_diff.sh <optional_commit>

## more verbose report:
../mathlib-ci/scripts/pr_summary/declarations_diff.sh long <optional_commit>

Declarations diff (Lean)

✅ Lean-aware diff — post-build, computed from the Lean environment (commit b9eeed9).

• +7 new declarations
• −0 removed declarations

+BooleanSubalgebra.closure_eq_latticeClosure
+compl_image_constructibleTopologySubbasis
+constructibleTopologySubbasis_subset_isConstructible
+constructibleTopology_eq_generateFrom_isConstructible
+empty_mem_constructibleTopologySubbasis
+generateFrom_latticeClosure
+latticeClosure_constructibleTopologySubbasis

No changes to strong technical debt.

Current commit b9eeed9ae9
Reference commit 6ca518ac72

This script lives in the mathlib-ci repository. To run it locally, from your mathlib4 directory:

git clone https://github.com/leanprover-community/mathlib-ci.git ../mathlib-ci
../mathlib-ci/scripts/reporting/technical-debt-metrics.sh pr_summary

• The relative value is the weighted sum of the differences with weight given by the inverse of the current value of the statistic.
• The absolute value is the relative value divided by the total sum of the inverses of the current values (i.e. the weighted average of the differences).

Note that there is already #39663, which contains this result (and some more) but it was waiting for #39621 to get merged (which was only delegated to me this morning, I'll take care of that ASAP).

Note that there is already #39663, which contains this result (and some more) but it was waiting for #39621 to get merged (which was only delegated to me this morning, I'll take care of that ASAP).

Thank you for letting me know! I have already changed the content of this PR into something else.