feat(data/smartphone): add Wikipedia URLs for 9 verified smartphones

[Seungpyo1007]

Closes #1

Summary

Cross-referenced unverified smartphone records (batch 10, 300 sampled records with no overlap against the 2,500 records judged in batches 1-9) against English Wikipedia using exact heading matching and multi-spec verification safeguards.

Verification Results

• Evaluated: 300 sampled smartphone records across 115 brands
• CONFIRM: 9
• AMBIGUOUS: 4
• NOTFOUND: 280
• CONTRADICT: 7

Safeguard Details

• Exact heading match required (_heading_matches)
• Required at least 2 independent agreeing specifications (launch year alone is blocked)
• Hard-gated variant confusion filters (Pro, Max, Ultra, Mini, Lite, 4G vs 5G, etc.)
• Year-only confirms: 0
• Confirmed records:
  • HMD Aura -> https://en.wikipedia.org/wiki/HMD_Aura
  • Nothing Phone 1 -> https://en.wikipedia.org/wiki/Nothing_Phone_1
  • Google Pixel 2 -> https://en.wikipedia.org/wiki/Google_Pixel_2
  • Honor 6 -> https://en.wikipedia.org/wiki/Honor_6
  • Microsoft Lumia 535 -> https://en.wikipedia.org/wiki/Microsoft_Lumia_535
  • Nokia 9110i Communicator -> https://en.wikipedia.org/wiki/List_of_Nokia_products#4-digit_series
  • Nothing Phone 2 -> https://en.wikipedia.org/wiki/Nothing_Phone_2
  • Meizu M1 Note -> https://en.wikipedia.org/wiki/Meizu_M1_Note
  • Orange SPV E610 -> https://en.wikipedia.org/wiki/Orange_SPV#Release_history_and_specifications

GSMArena, PhoneDB, DeviceSpecifications, and Namuwiki were not requested.