gemini-3-flash-preview was hallucinating year (e.g., returning 1993
instead of 2023 for position-10 code P). Prompt now includes the full
1980-2039 year code table and position-7 disambiguation rule.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add POST /decode/vin endpoint using Gemini 2.5 Flash for VIN string
decoding. Returns structured vehicle data (year, make, model, trim,
body/drive/fuel type, engine, transmission) with confidence score.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Add standalone GeminiEngine class for maintenance schedule extraction
from PDF owners manuals using Vertex AI Gemini 2.5 Flash with structured
JSON output enforcement, 20MB size limit, and lazy initialization.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
