web: display traces of last 28 days if available (#599)

* web: display traces of last 28 days if available

* web: address review comments

* web: fix tests

* web: fix tests

web/lib/potato_mesh/application/queries.rb

@@ -734,7 +734,7 @@ module PotatoMesh
         params = []
         where_clauses = []
         now = Time.now.to_i
-        min_rx_time = now - PotatoMesh::Config.week_seconds
+        min_rx_time = now - PotatoMesh::Config.trace_neighbor_window_seconds
         since_threshold = normalize_since_threshold(since, floor: min_rx_time)
         where_clauses << "COALESCE(rx_time, 0) >= ?"
         params << since_threshold

web/lib/potato_mesh/config.rb

@@ -158,6 +158,13 @@ module PotatoMesh
       7 * 24 * 60 * 60
     end
 
+    # Rolling retention window in seconds for trace and neighbor API queries.
+    #
+    # @return [Integer] seconds in twenty-eight days.
+    def trace_neighbor_window_seconds
+      28 * 24 * 60 * 60
+    end
+
     # Default upper bound for accepted JSON payload sizes.
     #
     # @return [Integer] byte ceiling for HTTP request bodies.

web/public/assets/js/app/main.js

@@ -195,7 +195,7 @@ export function initializeApp(config) {
   });
   const NODE_LIMIT = 1000;
   const TRACE_LIMIT = 200;
-  const TRACE_MAX_AGE_SECONDS = 7 * 24 * 60 * 60;
+  const TRACE_MAX_AGE_SECONDS = 28 * 24 * 60 * 60;
   const SNAPSHOT_LIMIT = SNAPSHOT_WINDOW;
   const CHAT_LIMIT = MESSAGE_LIMIT;
   const CHAT_RECENT_WINDOW_SECONDS = 7 * 24 * 60 * 60;

web/spec/app_spec.rb

@@ -4646,11 +4646,11 @@ RSpec.describe "Potato Mesh Sinatra app" do
   end
 
   describe "GET /api/neighbors" do
-    it "excludes neighbor records older than seven days" do
+    it "excludes neighbor records older than twenty-eight days" do
       clear_database
       allow(Time).to receive(:now).and_return(reference_time)
       now = reference_time.to_i
-      stale_rx = now - (PotatoMesh::Config.week_seconds + 45)
+      stale_rx = now - (PotatoMesh::Config.trace_neighbor_window_seconds + 45)
       fresh_rx = now - 10
 
       with_db do |db|
@@ -5236,11 +5236,11 @@ RSpec.describe "Potato Mesh Sinatra app" do
       expect(JSON.parse(last_response.body)).to eq([])
     end
 
-    it "excludes traces older than one week" do
+    it "excludes traces older than twenty-eight days" do
       clear_database
       now = Time.now.to_i
-      recent_rx = now - (PotatoMesh::Config.week_seconds / 2)
-      stale_rx = now - (PotatoMesh::Config.week_seconds + 60)
+      recent_rx = now - (PotatoMesh::Config.trace_neighbor_window_seconds / 2)
+      stale_rx = now - (PotatoMesh::Config.trace_neighbor_window_seconds + 60)
       payload = [
         { "id" => 50_001, "src" => 1, "dest" => 2, "rx_time" => recent_rx, "metrics" => {} },
         { "id" => 50_002, "src" => 3, "dest" => 4, "rx_time" => stale_rx, "metrics" => {} },