Fix all power-user review issues (FR-01 through FR-12)
FR-01: Fix data directory default from ~/.fieldwitness to ~/.fwmetadata
FR-02/05/07: Accept all file types for attestation (not just images)
- Web UI, CLI, and batch now accept PDFs, CSVs, audio, video, etc.
- Perceptual hashing for images, SHA-256-only for everything else
FR-03: Implement C2PA import path + CLI commands (export/verify/import/show)
FR-04: Fix GPS downsampling bias (math.floor → round)
FR-06: Add HTML/PDF evidence summaries for lawyers
- Always generates summary.html, optional summary.pdf via xhtml2pdf
FR-08: Fix CLI help text ("FieldWitness -- FieldWitness" artifact)
FR-09: Centralize stray paths (trusted_keys, carrier_history, last_backup)
FR-10: Add 67 C2PA bridge tests (vendor assertions, cert, GPS, export)
FR-12: Add Tor onion service support for source drop box
- fieldwitness serve --tor flag, persistent/transient modes
- Killswitch covers hidden service keys
Also: bonus fix for attest/api.py hardcoded path bypassing paths.py
224 tests passing (67 new).
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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