Files
pulse/internal/api
rcourtman 33b6bf97d1 Auto-trigger Patrol preflight when settings save moves Patrol transport
Closes the resilience gap: today an operator picks a Patrol
model, saves, and Patrol silently fails on its first
scheduled run because nothing verified the model actually
calls tools. Now the save handler dispatches a one-shot
preflight in the background whenever the change actually
moved Patrol's transport, and the cached result surfaces on
the next /api/settings/ai poll via patrol_preflight.

Trigger conditions (aiSettingsUpdateRequiresPatrolPreflight):
  - new config has assistant enabled AND a Patrol model
  - AND any of:
      * no prior config (first save)
      * assistant was disabled, now enabled
      * Patrol model changed
      * API key for the new patrol model's provider changed

Routine saves that don't touch Patrol transport (theme,
control level, discovery toggles, unrelated provider keys)
skip preflight entirely so they don't burn provider tokens
or add 5-10s latency to every save.

Service-level TriggerPatrolPreflightAsync runs the call in a
goroutine with a 30s timeout. Detection helper has full
unit coverage including the negative paths.
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Internal API Package

This directory contains the API server implementation for Pulse.

Important Note About frontend-modern/

The frontend-modern/ subdirectory that appears here is:

  • AUTO-GENERATED during builds
  • NOT the source code - just a build artifact
  • IN .gitignore - never committed
  • REQUIRED BY GO - The embed directive needs it here

Frontend Development Location

👉 Edit frontend files at: ${PULSE_REPOS_DIR}/pulse/frontend-modern/src/

Why This Structure?

Go's //go:embed directive has limitations:

  1. Cannot use ../ paths to access parent directories
  2. Cannot follow symbolic links
  3. Must embed files within the Go module

This is a known Go limitation and our structure works around it.