Implemented qt port + e2e

Test/Configurations/streamhub_demo.cfg

@@ -7,11 +7,14 @@
  *              Sine1 (1 Hz, 5 V, phase 0)
  *              Sine2 (0.3 Hz, 3 V, phase 60 deg)
  *
- *   Thread2  1 kHz  — 2 array sines @ 1 Msps (1000 elem × 1 kHz)
+ *   Thread2  1 kHz  — 2 array sines @ 1 Msps (1000 elem × 1 kHz, Strict)
  *              Ch1 (1 kHz, 1 V, phase 0)
  *              Ch2 (5 kHz, 0.5 V, phase 90 deg)
+ *              Strict publishing: every cycle's 1 ms array is sent so the
+ *              reconstructed waveform is contiguous (Decimate would drop
+ *              whole cycles, leaving periodic gaps in the array trace).
  *
- *   Thread3  5 kHz  — 2 array sines @ 5 Msps (1000 elem × 5 kHz, Ratio=5 → 1 kHz pub)
+ *   Thread3  5 kHz  — 2 array sines @ 5 Msps (1000 elem × 5 kHz, Strict)
  *              Ch3 (10 kHz, 2 V, phase 0)
  *              Ch4 (50 kHz, 1.5 V, phase 45 deg)
  */
@@ -437,9 +440,13 @@ $App = {
     +Streamer2 = {
       Class = UDPStreamer
       Port = 44501
-      MaxPayloadSize = 1400
-      PublishingMode = "Decimate"
-      Ratio = 10
+      // One full cycle = TimeArray1(8000) + Ch1(4000) + Ch2(4000) = 16000 B.
+      // Sizing the payload above a whole cycle sends each cycle as a single
+      // datagram (totalFragments = 1): at Strict 1 kHz / 5 kHz this avoids
+      // saturating the receiver's fragment-reassembly pool, which otherwise
+      // evicts in-flight cycles and reintroduces gaps in the array traces.
+      MaxPayloadSize = 18000
+      PublishingMode = "Strict"
       Signals = {
         TimeArray1 = {
           Type = uint64
@@ -469,9 +476,12 @@ $App = {
     +Streamer3 = {
       Class = UDPStreamer
       Port = 44502
-      MaxPayloadSize = 1400
-      PublishingMode = "Decimate"
-      Ratio = 5
+      // One full cycle = TimeArray2(8000) + Ch3(4000) + Ch4(4000) = 16000 B.
+      // Single-datagram cycles (see Streamer2) — essential here because this
+      // source runs Strict at 5 kHz, where per-cycle fragmentation would flood
+      // the reassembly pool.
+      MaxPayloadSize = 18000
+      PublishingMode = "Strict"
       Signals = {
         TimeArray2 = {
           Type = uint64