[AZ-219] Scaffold onboard runtime project

Add the initial source, test, infrastructure, CI, configuration, and evidence-path scaffold so dependent implementation tasks have stable package and runtime boundaries.

Co-authored-by: Cursor <cursoragent@cursor.com>

config/ci/runtime.env

@@ -0,0 +1,6 @@
+GPSD_ENV=ci
+GPSD_LOG_LEVEL=info
+GPSD_CONFIG_DIR=./config/ci
+GPSD_CACHE_DIR=./data/cache
+GPSD_FDR_DIR=./data/fdr
+GPSD_CAMERA_SOURCE=./tests/fixtures

config/development/runtime.env

@@ -0,0 +1,6 @@
+GPSD_ENV=development
+GPSD_LOG_LEVEL=debug
+GPSD_CONFIG_DIR=./config/development
+GPSD_CACHE_DIR=./data/cache
+GPSD_FDR_DIR=./data/fdr
+GPSD_CAMERA_SOURCE=./data/input

config/jetson/runtime.env

@@ -0,0 +1,6 @@
+GPSD_ENV=jetson
+GPSD_LOG_LEVEL=info
+GPSD_CONFIG_DIR=/etc/gps-denied-onboard
+GPSD_CACHE_DIR=/var/lib/gps-denied/cache
+GPSD_FDR_DIR=/var/lib/gps-denied/fdr
+GPSD_CAMERA_SOURCE=hardware

config/production/runtime.env.example

@@ -0,0 +1,10 @@
+GPSD_ENV=production
+GPSD_LOG_LEVEL=info
+GPSD_CONFIG_DIR=/etc/gps-denied-onboard
+GPSD_CACHE_DIR=/var/lib/gps-denied/cache
+GPSD_FDR_DIR=/var/lib/gps-denied/fdr
+GPSD_DATABASE_URL=postgresql://user:password@localhost:5432/gpsd
+GPSD_MAVLINK_URL=serial:/dev/ttyTHS1:921600
+GPSD_CAMERA_SOURCE=hardware
+GPSD_SIGNING_KEY_REF=replace-with-secret-manager-reference
+GPSD_MAX_FDR_BYTES=68719476736