chore(memory-bank): record group B

- activeContext.md: the results of ai/defects-b and the next step.
- progress.md: group B is fixed on ai/defects-b (not merged yet).

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
Co-authored-by: AI Assistant <ai@example.com>

.memory-bank/activeContext.md

@@ -45,8 +45,11 @@ the PRs, and tags `5.0.0-rc2` after the merges.
   `Get-NTFSAccess` (found with 4): Windows PowerShell 310 passed, 17
   skipped; PowerShell 7 280 passed, 47 skipped (327 tests). 10 tests need
   privileges and run only in CI.
+- `ai/defects-b` fixes defects 14 to 17 (`-AppliesTo` is mandatory in the
+  `Simple` sets; `-RemoveSpecific` is back): Windows PowerShell 331 passed,
+  19 skipped; PowerShell 7 301 passed, 49 skipped (350 tests).
 
 ## Next step
 
-Group B (14 to 17) on `ai/defects-b`, then C, D, the E decisions, and the
+Group C (18 to 21) on `ai/defects-c`, then D, the E decisions, and the
 bugs from the issue triage (`ai/issue-fixes`).

.memory-bank/progress.md

@@ -125,7 +125,7 @@ Numbered as agreed with the maintainer; each is documented on its page.
 - Review of group A: five Major findings fixed in the last commit; the
   Minor ones are listed in the PR description.
 
-#### B: Ignored parameters and parameter sets
+#### B: Ignored parameters and parameter sets (fixed on `ai/defects-b`, not merged)
 
 - (14) SD sets of `Add-/Remove-NTFSAccess` and `Add-/Remove-NTFSAudit`
   cannot resolve without `-AppliesTo` or the flag parameters.