lingniu-dev 957a86d581 feat(gb32960/vendor): implement Guangdong fuel-cell extension parsers ...

Adds 6 vendor parsers under codec/parser/vendor/guangdong/ implementing the
Guangdong "燃料电池汽车数据接入技术规范 v1.0" extension typeCodes that the
city's data ingestion platform sends inside V2016 frames:

  0x30  GdFcStackBlockParser           §7.2.3.4 表 13/14  fuel-cell stack
  0x31  GdFcAuxiliaryBlockParser       §7.2.3.5 表 15/16  auxiliary system
  0x32  GdFcDcDcBlockParser            §7.2.3.6 表 17     DC/DC
  0x33  GdFcAirConditionerBlockParser  §7.2.3.7 表 18     air conditioner
  0x34  GdFcVehicleInfoBlockParser     §7.2.3.8 表 19     vehicle info
  0x80  GdFcDemoExtensionBlockParser   §7.2.3.14 表 27    demo data extension

Each parser uses ProtocolVersion.V2016 + its respective typeCode and is
strictly Guangdong-spec layout, not the GB/T 32960.3-2025 fuel-cell stack
layout (the two share typeCode 0x30 but have different field orders and
extra cell-voltage statistics in the Guangdong variant).

Field model in InfoBlock.java gains:
- GdFcStack(stackCount, stacks: Stack(workState, waterTempC,
  h2InletPressureKpa, airInletPressureKpa, airInletTempC, max/min/avg cell
  voltage ids and values, cellCount, frameCellStart, frameCellCount,
  frameCellVoltagesV))
- GdFcAuxiliary(subSystemCount, subsystems: Subsystem with air compressor,
  hydrogen pump, water pump, PTC, low-voltage battery)
- GdFcDcDc, GdFcAirConditioner, GdFcVehicleInfo, GdFcDemoExtension
InfoBlockType enum gains the matching GD_FC_* constants.

Tests:
- GdFcParserTest covers the 4 fixed-length parsers (0x32/0x33/0x34/0x80)
  with hand-crafted bytes asserting field-by-field decoded values.
- 0x30/0x31 are variable-length and will be exercised end-to-end via the
  body parser integration test in a follow-up.

Spec doc: adds reference/广东燃料电池汽车示范应用城市群综合监管平台-...pdf
(v1.0.220822) used as the source of truth for these parsers.

These parsers exist as classes only; no Spring beans are wired yet.
Wiring + decoder context plumbing land in the next commit.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

2026-04-15 16:37:53 +08:00

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