[CU][doc-scope-sweep] register unregistered .md files in doc-scopes.json

[wmathurin]

Automated PR from doc-scope-sweep. Adds 5 unregistered .md files to .claude/doc-scopes.json. Please review inferred scopes and adjust any that don't match reality before merging.

[github-actions]

	Tests	Passed	Skipped	Failed ❌️
AuthFlowTester UI Test Results all	1 ran			1 ❌

Test	Result
AuthFlowTester UI Test Results all
AuthFlowTesterUITests.xctest
LegacyLoginTests.testCAOpaque_DefaultScopes_WebServerFlow()	❌ failure

[github-actions]

	Tests	Passed ✅	Skipped	Failed
SalesforceSDKCore iOS ^18 Test Results	647 ran	647 ✅

Test	Result
No test annotations available

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 68.39%. Comparing base (f6db7f4) to head (3740bb2).

Additional details and impacted files

@@            Coverage Diff             @@
##              dev    #4058      +/-   ##
==========================================
- Coverage   70.38%   68.39%   -2.00%     
==========================================
  Files         246      246              
  Lines       21477    21477              
==========================================
- Hits        15117    14689     -428     
- Misses       6360     6788     +428     

Components	Coverage Δ
Analytics	70.78% <ø> (ø)
Common	70.79% <ø> (-0.19%)	⬇️
Core	61.96% <ø> (-3.08%)	⬇️
SmartStore	73.44% <ø> (ø)
MobileSync	88.79% <ø> (ø)
see 24 files with indirect coverage changes

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[github-actions]

	Tests	Passed ☑️	Skipped	Failed ❌️
SalesforceSDKCore iOS ^26 Test Results	647 ran	645 ✅		2 ❌

Test	Result
SalesforceSDKCore iOS ^26 Test Results
SFUserAccountManagerTests.testAuthHandler	❌ failure
SFUserAccountManagerTests.testLoginViewControllerCustomizations	❌ failure