[AZ-230] Add local VPR retrieval boundary

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

_docs/03_implementation/reviews/batch_07_review.md

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+# Code Review Report
+
+**Batch**: AZ-230_satellite_service_vpr_retrieval
+**Date**: 2026-05-03
+**Verdict**: PASS
+
+## Findings
+
+No findings.
+
+## Review Scope
+
+- Task spec:
+  - `_docs/02_tasks/todo/AZ-230_satellite_service_vpr_retrieval.md`
+- Changed files:
+  - `src/satellite_service/__init__.py`
+  - `src/satellite_service/interfaces.py`
+  - `src/satellite_service/types.py`
+  - `tests/unit/test_satellite_service_vpr.py`
+
+## Phase Notes
+
+### Spec Compliance
+
+- AZ-230 AC-1 is covered by `test_valid_local_index_load_reports_ready_status`.
+- AZ-230 AC-2 is covered by `test_loaded_index_returns_bounded_candidates_with_freshness`.
+- AZ-230 AC-3 is covered by `test_missing_index_degrades_with_explicit_no_candidate_result`.
+- Descriptor-fidelity gating is covered by `test_descriptor_fidelity_gate_rejects_large_optimized_delta`.
+
+### Code Quality
+
+The implementation follows the existing component pattern: public Pydantic models live in `types.py`, behavior and protocols live in `interfaces.py`, and component exports are centralized in `__init__.py`.
+
+### Security Quick-Scan
+
+No network calls, shell execution, dynamic code execution, hardcoded secrets, or credential logging were introduced. Retrieval only uses local preloaded descriptor records.
+
+### Performance Scan
+
+Candidate scoring is bounded by the loaded local index and request `top_k` is constrained to 50. The implementation does not add a steady-state per-frame retrieval loop.
+
+### Cross-Task Consistency
+
+The retrieval code reuses the Satellite Service sync boundary’s offline-only posture and shared `VprCandidate`/`ErrorEnvelope` contracts.
+
+### Architecture Compliance
+
+Imports respect `_docs/02_document/module-layout.md`: Satellite Service imports shared contracts/errors and Tile Manager through public package exports only.
+
+## Verification
+
+- `.venv/bin/python -m black --check src tests e2e/replay`
+- `.venv/bin/python -m ruff check src tests e2e/replay`
+- `.venv/bin/python -m pytest`