docs: the TCPStreamer source kind, the client's TCP mode, and its probes

docs/claude/verification.md

@@ -576,7 +576,7 @@ precedent, not an exception.
 - `UDPSCOPE_PROBE_SOURCE_KINDS=2000` with `UDPSCOPE_EXIT_AFTER_MS=5000`, run as `--source probe --source-opt rate=500`
   -- the source-plugin path end to end. The variable's presence also registers the test-only `probe` kind (a
   synthetic sine with one panel), so it is the only way a run sees that kind; its value is the delay in ms.
-  Nine `[source-kinds]` lines (one `form` line per registered kind: `udps`, `e1608`, `flatudp`, `probe`); the
+  Ten `[source-kinds]` lines (one `form` line per registered kind: `udps`, `tcps`, `e1608`, `flatudp`, `probe`); the
   reading's own entry is in `probe-readings.md`.
 - `UDPSCOPE_PROBE_E1608=1500` with `UDPSCOPE_EXIT_AFTER_MS`, run as `--source e1608` against
   `tools/mock_e1608.py` -- the MCC E-1608 end to end: panels present and sensitive, a DAC write, a
@@ -637,6 +637,22 @@ precedent, not an exception.
   - **no sender:** `connected=0` throughout, a reading and not a failure.
 - `UDPSCOPE_PROBE_FLATUDP_GAP=1500` -- starts the silence poll described above (2 s after the source's last
   datagram it must be disconnected; then it must reconnect and the frame count move on).
+- `UDPSCOPE_PROBE_TCPS=1500` with `UDPSCOPE_EXIT_AFTER_MS`, run as `--source tcps --source-opt port=44500`
+  against `tools/mock_tcpstreamer.py --port 44500` -- the TCPStreamer source end to end: the connection, the
+  five channel names the mock sends (`time,sine,square,ramp,noise`), frames flowing and the capture button
+  present but disabled. It enables the signals itself, so do **not** add `UDPSCOPE_ENABLE_ALL_MS`. Runs, each
+  short and serial, with the mock killed afterwards:
+  - **standalone:** the mock with no `--stream`, `UDPSCOPE_PROBE_TCPS=1500 UDPSCOPE_EXIT_AFTER_MS=4000`;
+  - **service:** mock `--stream fast`, app `--source-opt stream=fast`, the same environment; the mock logs
+    `SUBSCRIBE 'fast'`;
+  - **reconnect:** mock `--close-after 3`, `UDPSCOPE_PROBE_TCPS=1500 UDPSCOPE_PROBE_TCPS_RECONNECT=2000
+    UDPSCOPE_EXIT_AFTER_MS=8000`; stderr also carries `the clock stalled at ...` warnings after the
+    reconnect (see `probe-readings.md`);
+  - **no mock:** `connected=0` throughout, a reading and not a failure, with no retry flood on stderr.
+- `UDPSCOPE_PROBE_TCPS_RECONNECT=2000` -- records the frame and reconnect counts, then polls every 100 ms
+  (up to 6 s) until connected, frames and reconnects have all advanced, and prints. **It must fall before the
+  mock's `--close-after`** (the baseline is read before the close); the poll, not a fixed delay, absorbs
+  when the close lands.
 - `UDPSCOPE_PROBE_SEARCH_MS` — runs a buffer search for the armed condition, cross-checks the live
   trigger's own `t0` against the nearest hit (`agree=1` is the load-bearing reading), and jumps to
   hit 0. Reports the resulting `mode=`, `axis=` and `marks placed=`.