test: assert degraded_detectors always present in /health response (batch3 #6)

feat: add GPT-4o, Flux, Imagen3, Ideogram, Recraft generator profiles and heuristics (audit #14)

fix: add extension_valid key to validate_file() — was always True (audit #1)

fix: HTTPException UnboundLocalError and health check test assertions

docs: comprehensive README update + VERSION 8.4.0 -> 8.5.0

chore: VERSION 8.3.0 -> 8.4.0, update version assertions

test: 38 tests for segment detection, format support, and feedback

fix: Platt calibration sign convention and test isolation

test: 37 tests for MCMC, Platt calibration, and stable evidence IDs

chore: VERSION 7.7.0 -> 7.8.0, update version assertions

feat: Noiseprint camera fingerprint and CFA Bayer artifact detectors

fix(phase-20): update detection_version and methods_used assertions

fix(phase-20): update 15 hardcoded signal-count assertions 26 -> 28

feat: JPEG Ghost + Noise Map detectors — signals 27 & 28

feat(feature): webhook delivery system with HMAC signing and retry

test: update version assertions from 7.1.0 to 7.2.0

fix(ci): fix 10 test failures from previous commits

fix(test): remove HTTP call from test_sse_rejects_oversized

fix(test): rewrite test_sse.py — null bytes corrupted file

fix(test): fix test_sse_rejects_oversized rate limit conflict

fix(tests): fix 3 CI failures in phase18 branch

feat(sse): real-time signal waterfall via Server-Sent Events

fix(test): update test_version assertion 6.7.0 -> 7.0.0

feat(polish): frontend hardening, rate limit consolidation, v7.0.0

feat(monitoring): observability, inconclusive verdict, image type

fix(test+frontend+scripts): methods count, 25->26, logo, script cleanup

fix(ci): fix 2 CI failures — quality gate wiring and platform rate limit

fix(tests): fix 2 CI failures in hardening and platform tests

test(hardening): system hardening test suite (18 tests)

fix(test): update test_metadata_forensics_no_exif threshold to match accuracy fix

fix(ci): backdate cached_at not timestamp in test_cache_ttl_expiry

fix(ci): correct cache TTL expiry test — use bytes key and backdate internal timestamp

feat(ci): CI coverage reporting, health checks, gap tests

feat(rbac):API key management and role-based access control

feat(reports):forensic report export suite (PDF, JSON, CSV)

Merge pull request #104 from abinaze/feature/case-management

feat(cases): evidence case management system

fix(batch): accept 429 in test_batch_api_rejects_non_image

feat(batch): batch investigation mode for multi-image forensic analysis

feat(robustness): adversarial robustness testing suite

feat(c2pa): C2PA content credentials verification

fix(platform): guard polyfit on small images; use 128x128 in tests

fix(platform): fix 4 CI failures in platform detector

Merge branch 'main' into feature/platform-forensics

feat(platform): invariant tests + pyflakes cleanup

fix(test): restore correct variable name in test_api_response_schema

fix(attribution): read analyzer_version from settings, fix hardcoded version assertions

feat(attribution):multi-class generator attribution classifier

feat(heatmap): Grad-CAM manipulation localization heatmap

fix: update signal count to 26, fix perturbation non-determinism, fix DIRE import, patch starlette CVE