Align phone scanner with shared hints

[alyldas]

Summary

• Add boolean phone scanner checks and sink-based range streaming with early stop support.
• Accept shared-style digit-count hints for low-digit rejection while preserving legacy scan(input) output.
• Keep phone-specific parsing, validation, and false-positive guards inside the phone package.
• Extend phone benchmarks with scanner setup, check(), low-digit, hinted clean, and late-match rows.

Validation

• npm ci
• npm run check
• npm run benchmark:phone
• npm pack --dry-run
• Public runtime exports and package dry-run contents reviewed

Benchmarks

Latest phone benchmark highlights:

• check hinted short clean: 0.0005 avg ms
• check hinted low digit text: 0.0006 avg ms
• check direct phone: 0.0087 avg ms
• check late-match phone: 0.5673 avg ms
• censor direct phone: 0.0104 avg ms
• censor phone-like: 0.0081 avg ms
• censor late-match phone: 0.6036 avg ms

Closes #22

No publish, no merge, no tag/release.

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