refactor: separate installation and proximity context components

src/layers/awareness/policy.js

@@ -0,0 +1,68 @@
+export const AIRCRAFT_DEPENDENCIES = ['flights', 'military'];
+
+export const DEFERRED_DEPENDENCIES = [
+  'ais-live-vessels',
+  'military-installations',
+];
+
+export const DEPENDENCIES = [
+  ...AIRCRAFT_DEPENDENCIES,
+  ...DEFERRED_DEPENDENCIES,
+];
+
+export const AWARENESS_REFRESH_MS = 750;
+
+/** @constant {number} Refresh cadence while the camera pose is CHANGING.
+ *  Owner playtest 2026-08-18: the Contacts direction arrows and card readouts
+ *  "feel sluggish when you look around" — at the parked 750 ms cadence the
+ *  arrows lag the view by up to three quarters of a second. */
+
+export const AWARENESS_MOTION_REFRESH_MS = 175;
+
+/** @constant {number} How long the pose signature must stay UNCHANGED before
+ *  the view counts as parked again. The signature is quantized, so a slow drag
+ *  crosses a bin only every few frames; without this hysteresis every crossing
+ *  read as a motion-end and refreshed at nearly display rate. */
+
+export const AWARENESS_MOTION_SETTLE_MS = 250;
+
+export const AWARENESS_REEVALUATE_DISTANCE_M = 250;
+
+export const AWARENESS_PAGE_ROTATE_MS = 10000;
+
+export const AWARENESS_PAGE_SIZE = 3;
+
+export const AWARENESS_MAX_EXAMPLES = 10;
+
+// Navigation walks the whole 250 km cohort, not the ten rows the panel shows,
+// so these caps sit far above any realistic in-range population rather than at
+// the display limit. They are still FINITE: an unbounded materialization would
+// let a pathological feed sort an eleven-thousand-contact array on every
+// refresh. Truthfulness does not depend on them — `summarizeAwarenessCohort`
+// derives `count` from the full in-range set before any slice.
+
+export const AWARENESS_QUERY_LIMIT = 20000;
+
+export const AWARENESS_MAX_NAVIGATION_EXAMPLES = 10000;
+
+export const CONTEXT_RIM_HEIGHT_M = 2500;
+
+export const VESSEL_FOCUS_RADIUS_M = 3000;
+
+export const SOURCE_LABEL = {
+  flights: 'OpenSky',
+  military: 'adsb.lol',
+  'ais-live-vessels': 'AISStream',
+  'military-installations': 'OpenStreetMap',
+};
+
+/**
+ * Whether a refresh tick could confirm the subject in its source collection.
+ * UNCHECKED means the tick did not look — it must never change the verdict.
+ */
+
+export const SUBJECT_PRESENCE = Object.freeze({
+  LIVE: 'live',
+  MISSING: 'missing',
+  UNCHECKED: 'unchecked',
+});