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Oleksandr Bezdieniezhnykh 6599d828d2 [AZ-407] [AZ-444] [AZ-445] Batch 68: fixtures, Tier-2 harness, NFR reporter

Three blackbox-harness tasks landed together — all depend only on
AZ-406 and unblock the FT-* / NFT-* scenario tasks scheduled for
batches 69+.

AZ-407 — Static fixture builders (3pt):
  * tile-cache-builder/{builder.py, Dockerfile, build.sh} produces a
    deterministic tile-cache-fixture Docker volume from
    _docs/00_problem/input_data/. Reproducibility primitives: sorted
    iteration, frozen PIL JPEG settings, FAISS HNSW32 built single-
    threaded with seeded stub descriptors.
  * age-injector/{age_injector.py, inject.sh} clones the volume and
    shifts capture_date by N×30.44 days; tile JPEG bytes preserved
    bit-identical. Emits synth-age-7mo + synth-age-13mo volumes.
  * cold-boot/cold_boot_fixture.json: frozen FC pose snapshot at
    Derkachi sector centre, schema v1.
  * secrets/mavlink-test-passkey.txt: 64-hex with required
    `# TEST ONLY` header line per AC-5. Passkey-equality test now
    compares the secret line after stripping the header.
  * security/cve-2025-53644.jpg: synthetic 158-byte malformed JPEG
    (truncated SOS marker). OpenCV 4.11.x rejects gracefully with
    imdecode → None. AZ-439 will sharpen for ASan instrumentation.
  * Top-level Makefile with `make fixtures` / `make fixtures-*` /
    `make e2e-tier1*` / `make unit-tests` targets.

AZ-444 — Tier-2 Jetson harness wrapper (5pt):
  * run-tier2.sh rewritten as orchestrator. Detects local
    (aarch64 + TIER2_HOST=localhost) vs remote (ssh into TIER2_HOST).
    New flags: -k/--selector, --build-kind production|asan,
    --reflash (gated behind TIER2_REFLASH_ACK=1 two-key gate),
    --dry-run.
  * tier2-on-jetson.sh (new) — on-device delegate. Verifies
    gps-denied-onboard{,-asan}.service health; restarts with 5s
    tolerance; spawns tegrastats + jtop parallel samplers; tails
    ASan unit's journal in asan mode; drives docker compose with
    TIER=tier2-jetson; forwards SELECTOR to pytest -k.
  * docker/run-tier1.sh (new) — selector-parity sibling.
  * AC-1 (selector parity) and AC-6 (reflash gating) unit-tested via
    --dry-run output assertions. AC-2/AC-3/AC-4/AC-5 are hardware-
    loop ACs verified by the Tier-2 runtime smoke (no Jetson in the
    unit-test layer).

AZ-445 — CSV reporter + evidence bundler refinements (2pt):
  * reporting/nfr_recorder.py (new) — pytest plugin. Provides the
    `nfr_recorder` fixture with record_metric(name, value, ac_id)
    and partial(ac_id, reason). At session end emits:
      - per-nfr/<scenario_id>.json (AC-1)
      - traceability-status.json with every AC ID parsed from
        traceability-matrix.md, classified Covered/PARTIAL/NOT
        COVERED with source scenario IDs (AC-2)
      - regression-baseline.json with all numeric metrics (AC-3)
  * csv_reporter.py extended — `_outcome_to_result` consults the
    aggregator; rows flip PASS → PARTIAL when an AC was marked
    PARTIAL by nfr_recorder (AC-4). Graceful fallback when
    aggregator isn't registered (unit-test contexts).
  * conftest.py registers nfr_recorder in pytest_plugins.
  * New --traceability-matrix CLI flag seeds the NOT COVERED rows.

Build / config:
  * pyproject.toml dev extras: added Pillow>=10.4,<13.0 for the
    tile-cache-builder unit test (broad enough to keep torchvision's
    Pillow 12 pin happy; the production builder runs inside its own
    Docker image with its own pin).
  * Updated test_directory_layout.py to cover 10 new files + replaced
    the byte-equal passkey assertion with the header-stripping
    variant.

Test results:
  * 157 focused tests pass (was 97 in batch 67; +60 new across this
    batch). No regressions.

Module-layout / spec drift:
  * AZ-407 spec text says `tests/fixtures/...`; module-layout
    blackbox_tests entry (commit d7a17a8) authoritatively places the
    harness under `e2e/`. Implementation followed the layout entry.
  * AZ-444 spec mentions `e2e/tier2/run-tier2.sh`; AZ-406 placed it
    at `e2e/jetson/run-tier2.sh`. Kept at `e2e/jetson/` for
    consistency.
  * Cold-boot README ownership: corrected from AZ-419 to AZ-407 per
    AZ-419's own Dependencies field.

Specs archived to _docs/02_tasks/done/. Jira tickets transitioned to
In Testing on commit.

Co-authored-by: Cursor <cursoragent@cursor.com>

2026-05-16 17:18:01 +03:00

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tile-cache-builder (AZ-407)

Builds the tile-cache-fixture Docker volume from the 60 still-image satellite references in _docs/00_problem/input_data/ plus the Derkachi route bbox.

Output schema

tile-cache-fixture/
  tiles/<zoom>/<x>/<y>.jpg          # tile JPEG body
  tiles/<zoom>/<x>/<y>.json         # per-tile sidecar (mirrors `tiles` row)
  manifest.csv                      # sorted manifest (9 columns)
  descriptors.index                 # FAISS HNSW32 index (omitted if faiss not available)

Manifest columns (per _docs/00_problem/restrictions.md § Satellite Imagery + _docs/02_document/data_model.md § 2.1):

Column	Type	Notes
`zoom_level`	int	Slippy/XYZ zoom
`tile_x`, `tile_y`	int	Tile coords at the zoom
`capture_date`	ISO-8601 date	Default `2025-11-01` (frozen so freshness gate treats as fresh)
`source`	enum	`googlemaps` for real paired tiles, `stub` for D-PROJ-3 fallback
`m_per_px`	float	`0.5` (≥ the AC-8.1 floor)
`jpeg_path`	str	Relative path to the JPEG body
`content_hash`	hex	SHA-256 of the JPEG bytes
`provenance`	str	`paired_gmaps:AD000NNN`, `STUB`, or `STUB_BBOX:derkachi:lat,lon,lat,lon`

Reproducibility (AC-1)

Two consecutive invocations from the same input produce a bit-identical output tree:

Input files iterated in lexicographic order
PIL JPEG encoded with quality=85, optimize=False, progressive=False, subsampling=2
Manifest rows sorted by (zoom_level, tile_x, tile_y) before CSV serialisation
FAISS index built single-threaded with omp_set_num_threads(1) and SHA-derived stub descriptors

Provenance (AC-7)

Item	Source	License
Real tile bodies	`_docs/00_problem/input_data/AD*_gmaps.png` (2 paired references)	Project test fixture; safe to redistribute under this repo's license
Stub tile bodies	Generated from `_stub_jpeg_bytes(seed)` (PIL solid-fill)	Fully synthetic; no third-party data
Derkachi bbox tile	Synthetic placeholder until D-PROJ-3 lands	Fully synthetic
FAISS index	SHA-derived stub vectors (not real VPR descriptors)	Fully synthetic

Usage

# Production (Docker volume):
e2e/fixtures/tile-cache-builder/build.sh

# Local mode (used by AZ-407 unit test):
e2e/fixtures/tile-cache-builder/build.sh --local /tmp/tile-cache-out

The unit test e2e/_unit_tests/fixtures/test_tile_cache_builder.py verifies AC-1 / AC-2 / AC-7 by invoking builder.py twice against a tmp_path and asserting the output is byte-identical.

Notes on D-PROJ-3

When D-PROJ-3 supplies the production tile-corpus for the Derkachi sector, the stub tiles produced here (any row with provenance = STUB) should be replaced by real Suite Sat Service tiles for those footprints. The builder will then no longer fall back to _stub_jpeg_bytes — every still that lacks a paired _gmaps.png will draw from the real corpus instead.

Owned by

AZ-407 (this task). The FAISS-stub descriptor format will not be used in production; the production VPR pipeline (C2) emits real DINOv2 descriptors. The stub format is sufficient for AZ-407's reproducibility and schema contracts only.

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