chore: align lint/format configs with peekaboo defaults

.swiftformat

@@ -1,11 +1,51 @@
---swiftversion 5.10
+# SwiftFormat configuration adapted from Peekaboo defaults (Swift 6 friendly)
+
+--swiftversion 6.2
+
+# Self handling
+--self insert
+--selfrequired
+
+# Imports / extensions
+--importgrouping testable-bottom
+--extensionacl on-declarations
+
+# Indentation
 --indent 4
---decimalgrouping none
---hexgrouping none
---wraparguments after-first
---wrapcollections before-first
+--indentcase false
+--ifdef no-indent
+--xcodeindentation enabled
+
+# Line breaks
+--linebreaks lf
+--maxwidth 120
+
+# Whitespace
 --trimwhitespace always
+--emptybraces no-space
+--nospaceoperators ...,..< 
+--ranges no-space
+--someAny true
+--voidtype void
+
+# Wrapping
+--wraparguments before-first
+--wrapparameters before-first
+--wrapcollections before-first
+--closingparen same-line
+
+# Organization
+--organizetypes class,struct,enum,extension
+--extensionmark "MARK: - %t + %p"
+--marktypes always
+--markextensions always
+--structthreshold 0
+--enumthreshold 0
+
+# Other
 --stripunusedargs closure-only
---self init-only
---disable redundantSelf
---enable wrapMultilineStatementBraces
+--header ignore
+--allman false
+
+# Exclusions
+--exclude .build,.swiftpm,DerivedData,node_modules,dist,coverage,xcuserdata