V1.0: Class 1 fax — real-world 4-page send to external number confirmed

Core features:
- Class 1 T.30 protocol: full send/receive implementation
- HDLC: DLE-stuffing, FCS strip, USR5637 bit-reversal handling
- T.4 MH encoder/decoder (1728px A4 standard)
- Document pipeline: PDF (Ghostscript), PNG, TIFF input
- Width clamping: US Letter 1734px → 1728px fax standard
- Cover page: CJK rasterization (TW/CN/JP/EN), TIFF + HTML output
- OCR verification: Tesseract 5 with eng+chi_tra, CJK space-tolerant
- API server (axum): health, send, jobs, cover, retry, cancel
- Background worker: auto-poll queue, speed fallback, retry policy
- Modem detection, pool management

Real-world test results (2026-07-23):
- V90 → 25153038: 4 pages, V.17 12000 bps, 2:33 ✅
- USR5637 → 25153038: 4 pages, V.17 12000 bps, 2:26 ✅
- Both faxes confirmed received on remote machine

Tested: loopback (100% pixel match), multi-page, all input formats,
cover pages, OCR verify, API endpoints, worker processing.
13 unit tests pass, 0 new clippy warnings.

QUICKSTART.md

@@ -0,0 +1,58 @@
+# Quick Production Deployment Test
+
+## Test the binary
+
+```bash
+# Check binary version
+./target/release/telfax --version
+
+# Test help
+./target/release/telfax --help
+./target/release/telfax serve --help
+
+# Test with production config (dry run)
+./target/release/telfax serve --config deployment/config.production.toml
+```
+
+## Install as macOS service
+
+```bash
+# Run installer
+sudo ./deployment/install-macos.sh
+
+# Edit config
+nano /usr/local/etc/telfax/config.toml
+
+# Start service
+sudo launchctl load -w /Library/LaunchDaemons/com.telfax.server.plist
+
+# Check status
+sudo launchctl list | grep telfax
+
+# View logs
+tail -f /usr/local/var/log/telfax/telfax.log
+```
+
+## Test API
+
+```bash
+# Health check
+curl http://localhost:3000/health
+
+# Status (with token from config)
+curl -H "Authorization: Bearer prod-admin-token-change-me-abc123xyz" \
+     http://localhost:3000/api/v1/status
+
+# Modem status
+curl -H "Authorization: Bearer prod-admin-token-change-me-abc123xyz" \
+     http://localhost:3000/api/v1/modems
+
+# Prometheus metrics
+curl http://localhost:9090/metrics
+```
+
+## Stop service
+
+```bash
+sudo launchctl unload /Library/LaunchDaemons/com.telfax.server.plist
+```