"/home/yossef/notes/git/projects/maplibra/observability/Runtime Flags.md"

path: maplibra/observability/Runtime Flags.md

- **fileName**: Runtime Flags
- **Created on**: 2026-06-16 00:48:42

Runtime Flags

Migrated from: obs_vault

Parent: ./Runtime Flags and Observability.md

This note covers the runtime flags that control routing behavior and diagnostics.

Main Source Files

• src/bootstrap/runtime-flags.js
• src/bootstrap/create-app-context.js
• script.js

What It Does

• Normalizes requested engine, graph format, telemetry, trace, wasm parity, and spatial flags.
• Stores requested routing state in app context and lets the controller update active state later.

Why It Matters

• This is the source of truth for requested routing behavior before the controller boots.

Risks

• Unknown values silently fall back to defaults.
• Boolean flags are intentionally strict, so nonstandard values are ignored.

See Also

• ./Rollout Telemetry.md

• ../modules/WASM Routing.md

• ../decisions/Deferred Bootstrap.md

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