feat(cybersecurity): auto-commit con 48 cambios

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

functions/core/strip_ansi.go

@@ -0,0 +1,38 @@
+package core
+
+import (
+	"regexp"
+	"strings"
+)
+
+// ansiCSI matches CSI sequences: ESC [ ... <final byte>
+// Covers colors (SGR), cursor movement, erase, etc.
+var ansiCSI = regexp.MustCompile(`\x1b\[[0-9;?]*[ -/]*[@-~]`)
+
+// ansiOSC matches OSC sequences: ESC ] ... <BEL or ST>
+// Used for window titles, hyperlinks, etc.
+var ansiOSC = regexp.MustCompile(`\x1b\][^\x07\x1b]*(\x07|\x1b\\)`)
+
+// ansiEsc matches other two-character escape sequences: ESC <char>
+// Covers ESC c (reset), ESC ( B, ESC ) 0, etc.
+var ansiEsc = regexp.MustCompile(`\x1b[@-Z\\-_]|\x1b[()][0-9A-Za-z]`)
+
+// StripANSI removes ANSI/VT100 terminal escape sequences from s and filters
+// non-printable control characters, preserving newlines (\n), tabs (\t) and
+// carriage returns (\r).
+func StripANSI(s string) string {
+	s = ansiCSI.ReplaceAllString(s, "")
+	s = ansiOSC.ReplaceAllString(s, "")
+	s = ansiEsc.ReplaceAllString(s, "")
+	return strings.Map(func(r rune) rune {
+		// Preserve printable characters, \n (0x0A), \t (0x09), \r (0x0D).
+		if r == '\n' || r == '\t' || r == '\r' {
+			return r
+		}
+		// Drop C0 control characters (0x00-0x1F) and DEL (0x7F).
+		if r < 0x20 || r == 0x7F {
+			return -1
+		}
+		return r
+	}, s)
+}