ios: PCA Phobos VPN for iPhone (source)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

ios/Tests/ProfileCheck/main.swift

@@ -0,0 +1,38 @@
+// Self-check of phobos:// parsing (no device needed):
+//   cd ios/Tests/ProfileCheck && xcrun swiftc -o /tmp/pc ../../Shared/PhobosProfile.swift main.swift && /tmp/pc
+import Foundation
+let conf = """
+[Interface]
+PrivateKey = AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=
+Address = 10.25.0.9/32
+DNS = 1.1.1.1
+MTU = 1420
+
+[Peer]
+PublicKey = BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB=
+PresharedKey = none
+Endpoint = 127.0.0.1:51820
+AllowedIPs = 0.0.0.0/0, ::/0
+PersistentKeepalive = 25
+
+[instance]
+source-if = 127.0.0.1
+source-lport = 51820
+target = 203.0.113.10:2083
+key = testkey
+masking = STUN
+verbose = INFO
+idle-timeout = 300
+max-dummy = 4
+# pca-tcp = 443
+"""
+let link = "phobos://" + Data(conf.utf8).base64EncodedString()
+    .replacingOccurrences(of: "+", with: "-").replacingOccurrences(of: "/", with: "_")
+    .replacingOccurrences(of: "=", with: "") + "#demo"
+let (p, name) = PhobosProfile.fromLink(link)!
+precondition(name == "demo" && p.targetHost == "203.0.113.10" && p.targetPort == 2083 && p.tcpPort == 443)
+let obf = p.obfuscatorConfig(listen: 13255, target: "127.0.0.1:13258")
+precondition(obf.contains("target = 127.0.0.1:13258") && obf.contains("key = testkey") && !obf.contains("203.0.113.10"))
+let wg = p.wireGuardConfig(endpoint: "127.0.0.1:13255", allowedIPs: "1.0.0.0/8")
+precondition(wg.contains("Endpoint = 127.0.0.1:13255") && wg.contains("AllowedIPs = 1.0.0.0/8") && !wg.contains("= none"))
+print("profile_check ok")