mikkeli
570a8c541d
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_013kj58Jugkic783b8ZrtTVZ
19 lines
676 B
Markdown
19 lines
676 B
Markdown
---
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type: default
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---
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# Navigation service guidelines
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## 1. Routing providers stay behind one interface
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- Nothing outside the provider boundary may reference Valhalla types, Valhalla
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URLs, or Valhalla's response shapes.
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- A cloud provider (GCP or equivalent) must be addable without changes to the
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bridge, the published topics, or any display.
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- Local Valhalla is the default because it works with no signal; a cloud provider
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is an option, never a dependency.
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## 2. Guidance is published, routes are requested
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- Live guidance goes onto `yukart/nav/guidance`, retained.
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- Route requests are request/response and are served over HTTP, not MQTT.
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## 3. To be added
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